CORETRONIC CORPORATION Patent applications |
Patent application number | Title | Published |
20160124547 | TOUCH PROJECTION SCREEN AND PROJECTION SYSTEM USING THE SAME - A touch projection screen includes a capacitive touch sensing layer and a substrate. The capacitive touch sensing layer includes a first surface, a second surface opposite to the first surface, a plurality of first sensing wires, a plurality of second sensing wires and a circuit connection unit. The substrate covers on the first surface. Any two of the first sensing wires don't intersect with each other. Any two of the second sensing wires don't intersect with each other. The first and second sensing wires are alternatively arranged in grid to define a touch sensing area and an edge area is around at least part of the touch sensing area. Each of the first and second sensing wires includes a wire and an insulating layer covering the part of the wire located in the touch sensing area. The circuit connection unit is electrically connected to the wires in the edge area. | 05-05-2016 |
20160088276 | PROJECTION DISPLAY SYSTEM AND METHOD FOR CORRECTING PROJECTION REGION - A projection display system and a correcting method are provided. The projection display system includes a plurality of projection devices, an image capturing device, a blending device and computing device. The projection devices are configured to project a plurality of projection regions to a projection surface. The image capturing device is configured to capture an image on the projection surface. The computing device determines locations of the projection regions according to the image captured by the imaging capture device. A display screen of the computing device is configured to display a control interface including a display screen region proportionally corresponding to the projection regions. The computing device dynamically adjusts a projection ratio of an image frame displayed on the projection region by adjusting locations of control points on the display screen region and a space between the control points. | 03-24-2016 |
20160080894 | BLUETOOTH DEVICE, PROJECTION DEVICE AND DATA TRANSMISSION METHOD - A Bluetooth device used for data transmission between first and second peripheral devices is provided. The Bluetooth device includes a processing circuit and a Bluetooth chip configured to be capable of being operated in a transmitting mode and a receiving mode for data transmitting and data receiving, respectively. In the transmitting mode, a first communication link is established between the Bluetooth chip and the first peripheral device through a first communication protocol. The processing circuit establishes a second communication protocol. In the receiving mode, a second communication link is established between the Bluetooth chip and the second peripheral device through a third communication protocol. The second peripheral device transmits a data to the Bluetooth chip through the second communication link and the Bluetooth chip transmits, based on the second communication protocol, the received data to the first peripheral device through the first communication link simultaneously. | 03-17-2016 |
20160062218 | OPTICAL ELEMENT ADJUSTING APPARATUS AND PROJECTOR USING THE SAME - An optical element adjusting apparatus configured to support an optical element includes an adjusting base, a fixed base and locking elements. The adjusting base includes a first through hole disposed on a center of gravity of the adjusting base, a second through hole and a third through hole. An extension direction of a first straight line passing through the first through hole and the second through hole is different from an extension direction of a second straight line passing through the first through hole and the third through hole. The fixed base includes coupling holes corresponding to the first, second, third through holes. The locking elements pass though the first, second, third through holes respectively and are coupled to the coupling holes to couple the adjusting base to the fixed base. The adjusting base includes a support side away from the fixed base to support the optical element. | 03-03-2016 |
20160041458 | PROJECTOR - A projector includes at least one light source, a light combination assembly, a light-shape adjusting element, an illuminating assembly, and an imaging assembly. The light source is used for emitting at least one light beam. The light combination assembly is disposed at the transmission path of the light beam for transferring the light beam to an illumination beam. The light-shape adjusting element is disposed in the light combination assembly and located at the transmission path of the light beam for adjusting a light shape of the light beam, in which the light shape of the light beam is adjusted to be an elliptical shape. The imaging assembly is disposed at the transmission path of the illumination beam for transferring the illumination beam to an image beam. The imaging assembly is disposed at the transmission path of the image beam for projecting the image beam. | 02-11-2016 |
20160034106 | TOUCH APPARATUS AND TOUCH SENSING METHOD THEREOF - A touch apparatus and a touch sensing method thereof are provided. Touch information generated according to received scanning beams is returned by a touch tool, and coordinates of the touch tool on a touch area is calculated according to the returned touch information. | 02-04-2016 |
20160018723 | LIGHT SOURCE MODULE - A light source module adapted to a projector includes a light source, a light combining system, a first cooling fan, a second cooling fan, a first guide duct and a second guide duct. The light source includes a first light emitting device and a second light emitting device. The light combining system is disposed between the first light emitting device and the second light emitting device. The first cooling fan is disposed on the first light emitting device. The second cooling fan is disposed on the second light emitting device. The first guide duct is connected to the first cooling fan and guides a cooling airflow provided by the first cooling fan to the second light emitting device. The second guide duct is connected to the second cooling fan and guides a cooling airflow provided by the second cooling fan to the first light emitting device. | 01-21-2016 |
20160004150 | PROJECTION SCREEN AND MANUFACTURING METHOD OF PROJECTION SCREEN - A projection screen includes a flexible substrate, a reflective layer and a transparent coating layer. The flexible substrate has a first surface and a second surface opposite to each other. The reflective layer is disposed on the first surface of the flexible substrate. The transparent coating layer is coated on the reflective layer, and the transparent coating layer has a pattern on a surface opposite to the reflective layer. Moreover, a manufacturing method of the projection screen is also provided. | 01-07-2016 |
20150378135 | PROJECTION LENS ADJUSTMENT MODULE AND PROJECTOR USING THE SAME - A projection lens adjustment module applicable to a projection lens is provided. The projection lens includes a first assembly and a second assembly. The projection lens adjustment module includes a flexible connection line, an adjusting element and a driving mechanism. The flexible connection line has a first end and a second end opposite to each other. The adjusting element is connected to the first end. The driving mechanism is connected to the second assembly and the second end. When the adjusting element drives the first end to move along a first direction thereby leading the second end to move along a second direction non-parallel to the first direction, the second end drives the second assembly to move along an optical axis direction of the projection lens relative to the first assembly through the driving mechanism. | 12-31-2015 |
20150377445 | VEHICLE LIGHTING DEVICE - A vehicle lighting device including a light source module, a light valve, a sensing unit, a projection lens set and a control unit. The light source module provides an illumination beam. The light valve is located on a transmission path of the illumination beam, and is capable of being switched to different states for adjusting the illumination beam. The sensing unit senses the front of the vehicle lighting device and generates a signal. The projection lens set is disposed on an optical path of the illumination beam for projecting at least a portion of the illumination beam. The control unit is electrically connected to the light valve and the sensing unit for receiving the signal. The control unit controls the light valve to adjust a light distribution pattern of the illumination beam according to the signal, and project the illumination beam to the front through the projection lens set. | 12-31-2015 |
20150370151 | PROJECTION APPARATUS, LENS MODULE, AND LOCKING STRUCTURE - A projection apparatus includes a light source, a light valve, and a lens module. The light source provides a light beam. The light valve converts the light beam into an image beam. The lens module converts the image beam into a projecting beam and includes a lens and a locking structure. The locking structure is connected to the lens and includes a first plate, a second plate, a moving element, and a first pushing element. The second plate is disposed between the first plate and the lens and firmly fixed to the lens. A groove is formed between the first plate and the second plate, and the groove has withstanding holes arranged along a first direction. The moving element is disposed between the first plate and the second plate. The first pushing element is disposed between the moving element and the second plate. | 12-24-2015 |
20150365641 | PROJECTION SYSTEM AND PROJECTION CONTROL METHOD - A projection system and a projection control method are provided. The projection system includes a projection apparatus and a projection data providing apparatus. After receiving projection data, the projection apparatus enters an operating mode from a sleep mode and projects an image light beam according to the projection data. The projection data providing apparatus determines whether an input operation is received, and transmits the projection data to the projection apparatus if the input operation is received. | 12-17-2015 |
20150362832 | PROJECTION SCREEN AND MANUFACTURING METHOD OF PROJECTION SCREEN - A projection screen that includes a transparent substrate, a plurality of micro-lens structures, a Fresnel lens structure, a light absorption layer, and a diffusive reflection layer is provided. The transparent substrate has a first surface and a second surface opposite to the first surface. The micro-lens structures are located at the first surface of the transparent substrate. The Fresnel lens structure is located at the second surface of the transparent substrate. The light absorption layer includes a light absorption portion. The diffusive reflection layer includes a plurality of dispersive diffusive reflection portions connected to the Fresnel lens structure. The deviation degrees of the diffusive reflection portions with respect to a plurality of optical axes of the corresponding micro-lens structures increase together with an increase in slopes of inclined surfaces of the Fresnel lens structure on the corresponding optical axes. A manufacturing method of the projection screen is also provided. | 12-17-2015 |
20150362830 | LIGHT SOURCE MODULE AND PROJECTION APPARATUS - A light source module includes a light source, a wavelength conversion module, and a light combining unit. The light source provides a beam. The wavelength conversion module converts part of the beam into a wavelength conversion beam and reflects part of the beam. The light combining unit is disposed between the light source and the wavelength conversion module and located on transmission paths of the beam and the wavelength conversion beam, and includes a splitting portion and a wavelength reflecting portion. The beam is transmitted to the wavelength conversion module after passing through the splitting portion. The splitting portion reflects the wavelength conversion beam. Part of the beam is transmitted to the wavelength reflecting portion after reflected by the wavelength conversion module. The wavelength reflecting portion reflects part of the beam to combine the beam and the wavelength conversion beam into an illumination beam. A projection apparatus is also provided. | 12-17-2015 |
20150362154 | ILLUMINATION APPARATUS - An illumination apparatus including an exciting light source, a reflective switching element, a first wavelength conversion element, and a second wavelength conversion element is provided. The exciting light source emits an exciting beam, and the reflective switching element is disposed on a transmission path of the exciting beam. When the reflective switching element is switched to a first state, the reflective switching element reflects the exciting beam to the first wavelength conversion element so as to excite the first wavelength conversion element to emit a first conversion beam. When the reflective switching element is switched to a second state, the reflective switching element reflects the exciting beam to the second wavelength conversion element so as to excite the second wavelength conversion element to emit a second conversion beam. | 12-17-2015 |
20150355781 | LIGHT SOURCE DEVICE AND ADJUSTING METHOD THEREOF - A light source device including a light source module and an adjusting mechanism is provided. The light source module includes a base, a first light source and at least two second light sources. The first light source is disposed on the base and adapted to emit an invisible light curtain, wherein the invisible light curtain ranges over a display plane. The second light sources are disposed on the base and adapted to emit a first visible light beam and a second visible light beam respectively, wherein the first visible light beam is parallel to the invisible light curtain and the second visible light beam is parallel to the invisible light curtain. The adjusting mechanism is disposed on the base and used to adjust relative positions of the base and the display plane. In addition, an adjusting method of the light source device is also provided. | 12-10-2015 |
20150346579 | WAVELENGTH CONVERSION MODULE AND ILLUMINATION SYSTEM - A wavelength conversion module that includes a reflective substrate, a strip-shaped wavelength conversion layer, and a microstructure layer is provided. The strip-shaped wavelength conversion layer is located on the reflective substrate and includes a transparent base and a wavelength conversion material doped in the transparent base. The microstructure layer is located on the strip-shaped wavelength conversion layer and includes a plurality of microstructures. The microstructures are arranged on a surface of the microstructure layer in a close-packing manner. The wavelength conversion module satisfies n2−0.3≦n1≦n2+0.3, where n1 is a refractive index of the transparent base, and n2 is a refractive index of the microstructure layer. An illumination system is also provided. | 12-03-2015 |
20150346506 | OPTICAL LENS AND VIRTUAL IMAGE DISPLAY MODULE - An optical lens, adapted for transmitting an image light beam generated by an image display unit to at least one eye of a user. The optical lens includes a reflecting unit, an L-type lens and a diffractive optical element. The reflecting unit, the L-type lens and the diffractive optical element are disposed on a transmission path of the image light beam. The L-type lens has a first portion and a second lens portion integrally molded with each other. The first lens portion is disposed between the image display unit and the reflecting unit. The second lens portion is disposed between the reflecting unit and the eye. The image light beam is transmitted to the eye through the first lens portion, the reflecting unit, the second lens portion and the diffractive optical element to provide a virtual image. Besides, a virtual image display module is also provided. | 12-03-2015 |
20150345729 | ILLUMINATION APPARATUS FOR VEHICLE - An illumination apparatus for vehicle including at least one light source, a light valve, an optical wavelength conversion layer, and a projection lens set is provided. The at least one light source provides a light beam. The light valve is disposed on the transmission path of the light beam. The light valve controls a light shape of at least a portion of the light beam. The optical wavelength conversion layer is disposed on the transmission path of the at least a portion of the light beam and includes a plurality of optical wavelength conversion units for converting the at least a portion of the light beam into an illumination light beam. The projection lens set is disposed on a transmission path of the illumination beam and configured to project the illumination beam. The optical wavelength conversion layer is located between the light valve and the projection lens set. | 12-03-2015 |
20150339000 | OPTICAL TOUCH DEVICE, CORRECTION ELEMENT, AND CORRECTION METHOD THEREFOR - An optical touch device configured to cause a display surface to from a touch surface. The optical touch device includes a non-visible lighting element, a non-visible sensing element, and a correction element. The non-visible lighting element is adjacent to the display surface and forms a non-visible light curtain in front of the display surface. The non-visible lighting element is disposed in front of the display surface and has a sensing area covering the display surface. The correction element is disposed on the display surface and includes a bottom layer placed on the display surface and a plurality of reflecting blocks disposed on the top surface of the bottom layer. The correction element of the optical touch device has long-life. A correction method for an optical touch device is also provided. | 11-26-2015 |
20150331303 | PROJECTION APPARATUS AND METHOD FOR PROTECTING PROJECTION APPARATUS - A projection apparatus and a method for protecting the projection apparatus are provided. The projection apparatus includes a light source module, a light source control module, and an optical engine module. The light source module includes a light source and light conversion unit. The light source emits an illumination beam, and the light conversion unit converts the illumination beam into a plurality of color beams with different colors. The light source control module includes a light sensing unit and a control unit. The light sensing unit senses light intensities of the color beams, and the control unit determines whether to turn off the light source according to at least one of a light intensity proportion of the color beams and a sum of the light intensities of the color beams. The optical engine module receives the color beams to generate an image beam. | 11-19-2015 |
20150323798 | SMART HELMET - A smart helmet including a projection surface, a projection unit, a processing unit, and a first pivoting unit is provided. The projection unit projects an image light into the projection surface according to a projection data. The processing unit coupled to the projection unit, and provides the projection data to the projection unit. The first pivoting unit is adapted to adjust a projection angle of the projection unit projecting on the projection surface, and has three rotational degrees of freedom. | 11-12-2015 |
20150319397 | OPTICAL PROJECTION SYSTEM AND ENERGY CONTROL METHOD THEREFOR - An optical projection system includes a light source module, an optical engine, a thermoelectric generator, a storage unit, a plurality of electronic devices, and a selection unit. The light source module is capable of emitting at least one light beam, and the optical engine receives the light beam and modulates the light beam according to at least one image signal to form an image beam. The thermoelectric generator absorbs heat in the optical projection system and converts the heat into electrical energy, and the storage unit stores the electrical energy. The electronic devices receive the electrical energy stored in the storage unit and have at least two different threshold voltages. The selection unit selectively turns on at least one of electronic devices according to a state of charge of the storage unit. | 11-05-2015 |
20150316775 | ILLUMINATION SYSTEM AND PROJECTION APPARATUS - An illumination system includes a coherent light source, a first light-combining element, an optical wavelength conversion module, and a first auxiliary light source. The coherent light source emits a coherent light beam. The first light-combining element is disposed on a transmission path of the coherent light beam. The light wavelength conversion module is disposed on a transmission path of the coherent light beam transmitted from the first light-combining element and converts the coherent light beam into a first converted light beam, and reflects the first converted light beam back to the first light-combining element. The first auxiliary light source emits a first auxiliary light beam which is transmitted to the first light-combining element along the transmission path of the coherent light beam. The first light-combining element combines the first auxiliary light beam and the first converted light beam. A projection apparatus is also provided. | 11-05-2015 |
20150309664 | INTERACTIVE TOUCH SYSTEM AND LIGHT SOURCE DEVICE - An interactive touch system includes a display device, a light source device and an invisible light detecting device. The display device is adapted to provide an image beam to a display surface. The light source device includes a light-emitting element and a light-guide element. The light-guide element has a conical surface and a cylindrical curved surface facing the conical surface. The curvature center of at least partial section of the cylindrical curved surface is not located on the central axis of the conical surface. The light-emitting element is adapted to emit an invisible light beam toward the conical surface, and the invisible light beam is reflected by the conical surface and the cylindrical curved surface to be diverged and range over the display surface. When an object moves to the display surface, the invisible light beam is reflected by the object to be detected by the invisible light detecting device. | 10-29-2015 |
20150292521 | BLOWER AND METHOD FOR DECREASING EDDY NOISE - A blower and a method for decreasing eddy noise are provided. The blower includes a fan frame, a fan wheel, at least one induction element and a coil. The fan frame has in inlet and an outlet. The fan wheel is disposed in the fan frame and has a wheel hub and a plurality of fan blades connected to periphery of the wheel hub. The induction elements are fixed to the corresponding fan blades, the coil is disposed on the fan frame for driving the at least one induction element, such that the fan blade corresponding to the induction element swing back and forth to generate a vibration sound, and the vibration sound is counteracted with eddy noise generated when the fan wheel rotates. Moreover, the method for decreasing eddy noise is also provided. | 10-15-2015 |
20150276191 | LIGHT SOURCE MODULE AND PROJECTOR - A projector and a light source module including a light emitting diode element, a pin connector, and two power cords are provided. The light emitting diode element has a first electrode and a second electrode. The pin connector is disposed on the light emitting diode element and has two connection pins, wherein each connection pin has a first connection end and a second connection end, and the two first connection ends respectively contact the first electrode and the second electrode. The two power cords are respectively connected to the first electrode and the second electrode through the two connection pins, wherein each power cord includes a joint and a wire connected to each other, each joint and the corresponding second connection end are mutually plugged along a first axial direction, each wire extends out from the corresponding joint along a second axial direction perpendicular to the first axial direction. | 10-01-2015 |
20150261383 | INTERACTIVE PROJECTION APPARATUS AND TOUCH POSITION DETERMINING METHOD THEREOF - An interactive projection apparatus and a touch position determining method thereof are provided. The invention adopts such a scheme of defining the effective touch area according to the coordinate information of the positioning pattern and judging whether or not the light spot is located in the effective touch area. If the light spot is located in the effective touch area, the position of the light spot is taken as the touch position of an input tool. | 09-17-2015 |
20150253274 | HYDROPHILIC FILM, METHOD OF MANUFACTURING THEREOF, AND BIOSENSOR HAVING THE HYDROPHILIC FILM - A hydrophilic film for a biosensor configured to sense a liquid sample, the hydrophilic film includes a substrate and at least one hydrophilic layer. The hydrophilic layer is disposed on the substrate and includes several first microstructures, several second microstructures, and several grooves, in which the first microstructures protrude in a direction opposite to the substrate, each of the grooves is formed between two of the first microstructures, the second microstructures are disposed on the first microstructures, the liquid sample contacts with the hydrophilic layer to form a contact angle, and the contact angle is less than 30 degree. | 09-10-2015 |
20150237319 | PROJECTION SYSTEM AND PROJECTION METHOD THEREOF - A projection system and a projection method thereof are provided. A plurality of image source signals is combined into a combination image signal. A host is instructed to provide a plurality of the projection ratios corresponding to the image source signals according to extended display identification data. An image source signal combination unit combines the projection ratios corresponding to the image source signals to form a combination projection ratio corresponding to the combination image signal. A light valve is set to a mode corresponding to the combination projection ratio. The illumination beam is converted to an image beam according to the combination image signal. | 08-20-2015 |
20150237292 | PROJECTION SYSTEM AND PROJECTION METHOD THEREOF - A projection system and a projection method thereof are provided. An illumination beam is outputted through a light-uniforming element which an aspect ratio of a light emitting terminal conforms to an ultrawide projection ratio. A host is instructed by an extended display identification data to provide an image signal corresponding to the ultrawide projection ratio. A light valve is configured to a mode corresponding to the ultrawide projection ratio. The light valve is controlled to convert the illumination beam into an image beam according to the image signal. | 08-20-2015 |
20150234458 | HEAD-UP DISPLAY - A head-up display including a display panel, a non-mechanical focusing lens, and a determining unit is provided. The display panel is configured to emit an image beam. The non-mechanical focusing lens is disposed on a transmission path of the image beam and generates an image of the image beam. The determining unit is electrically connected to the non-mechanical focusing lens and configured to adjust a focal length of the non-mechanical focusing lens according to a sensing signal, so as to change an image distance from the image to a user's eye. | 08-20-2015 |
20150212399 | TEMPERATURE DETECTOR AND PROJECTOR USING THE TEMPERATURE DETECTOR - A temperature detector and a projector using the temperature detector are provided. The temperature detector is configured to judge the operating temperature of the lamp in the projector. The temperature detector includes a charging/discharging circuit and a temperature judgment unit. The charging/discharging circuit receives a system voltage and provides a temperature voltage. The temperature judgment unit receives the temperature voltage and judges whether or not the operating temperature of the lamp falls in a first temperature range according to the temperature voltage so as to correspondingly output a temperature judgment signal. The scheme of using the temperature detector can determine a heat-dissipation time required by the lamp to advance the accomplishment rate of re-lighting and avoid affecting the lifetime of the lamp due to frequent lighting operation. | 07-30-2015 |
20150198809 | VIRTUAL IMAGE DISPLAY MODULE AND OPTICAL LENS GROUP - A virtual image display module, disposed in front of at least one eye of a user, including an image displaying unit and an optical lens group is provided. The image displaying unit provides an image beam. The optical lens group includes a reflecting unit, a first lens, a second lens and a diffractive optical element, which are disposed on the transmission path of the image beam. The first lens is disposed between the image displaying unit and the reflecting unit. The reflecting unit is disposed between the first lens and the second lens. The second lens is disposed between the reflecting unit and the eye. The diffractive optical element, the reflecting unit, the first lens and the second lens are independent optical elements, respectively. The image beam is transmitted to the eye through the first lens, the reflecting unit, the second lens and the diffractive optical element. | 07-16-2015 |
20150192847 | PROJECTION APPARATUS AND LIGHT SOURCE MODULE - A light source module and a projection apparatus including the light source module, a light valve, and a lens are provided. The light source module includes a cover, a light emitting device, a lead wire, a trigger wire, and at least one fixing wire. The light emitting device is partially disposed in the cover and includes a light source and a first pillar, wherein the light source is connected to the first pillar and provides an illumination beam. The lead wire is connected to the light source and is position-limited between the cover and the first pillar. The trigger wire is disposed on the first pillar and is electrically connected to the lead wire. The fixing wire is position-limited between the cover and the first pillar. One end of the fixing wire is connected to the first pillar, and another end of the fixing wire is position-limited to the cover | 07-09-2015 |
20150192265 | VEHICLE HEADLIGHT DEVICE - A vehicle headlight device includes a light guide plate, a light source device and a light-pattern adjustment plate. A thickness of the light guide plate is gradually increased from a light incident side to a light reflection side, and the light reflection side is provided with a parabolic surface. The light source device is disposed to coincide with or be near a focus point of the parabolic surface. The parabolic surface reflects at least one light beam emitted from the light source device to allow the light beam to propagate in an alignment direction. The light-pattern adjustment plate has multiple grooves. The grooves are parallel to each other and arranged on a surface of the light-pattern adjustment plate facing the light guide plate, and a longitudinal direction of the grooves is different to the alignment direction. | 07-09-2015 |
20150185596 | WAVELENGTH CONVERSION DEVICE AND PROJECTOR - A wavelength conversion device including a main body and a transparent component is provided. The main body has at least one wavelength conversion region and a slot. The transparent component is disposed in the slot to form a light transmission region, wherein one of the main body and the transparent component has at least one groove, and another one of the main body and the transparent component is engaged with the groove, such that the main body and the transparent component are fixed together. In addition, a projector having the wavelength conversion device is also provided. | 07-02-2015 |
20150185594 | DUSTPROOF COVER OF PROJECTOR - A dustproof cover used in a projector has a casing and a projection lens, the projection lens is disposed at a front side of the casing, the projection lens has a first adjusting device disposed at a top side of the casing connected to front side. The dustproof cover includes a body, a lid, a transparent plate and at least one airtight trim, in which the body is assembled to the casing to cover the projection lens and the first adjusting device and has a first adjusting hole to expose the first adjusting device. The lid is detachably connected to the body to conceal the first adjusting hole. The transparent plate is disposed on the body to allow an image beam emitted from the projection lens passing through. The at least one airtight trim is connected to a portion of the casing contacted the body. | 07-02-2015 |
20150138516 | ILLUMINATION SYSTEM AND PROJECTION APPARATUS - An illumination system including at least one laser light source, a wavelength conversion device, and a two-dimensional (2D) anisotropic diffusion sheet is provided. The laser light source emits a laser beam, and the wavelength conversion device is located on a transmission path of the laser beam. The 2D anisotropic diffusion sheet is located on the transmission path of the laser beam and between the laser light source and the wavelength conversion device. Besides, the 2D anisotropic diffusion sheet allows the laser beam to have an increasing degree of a divergent angle in a first direction greater than an increasing degree of a divergent angle in a second direction. The first direction is substantially parallel to a slow axis of the laser beam. A projection apparatus is also provided. | 05-21-2015 |
20150138047 | HEAD-UP DISPLAY SYSTEM - A head-up display system includes a head-up display and an image detecting unit. The head-up display includes a first control unit, an image source, and an optical system. The first control unit is configured to correct an image signal. The image source is coupled to the first control unit and configured to output an image beam according to the corrected image signal. The optical system is disposed on a transmission path of the image beam. The image detecting unit is disposed at a side of the head-up display to detect a deviation angle of a user with respect to the head-up display. Here, the first control unit corrects the image signal in advance according to the deviation angle of the user with respect to the head-up display and according to an aberration generated by the optical system. | 05-21-2015 |
20150136946 | OPTICAL TOUCH APPARATUS AND TOUCH METHOD THEREOF - An optical touch apparatus and a touch method thereof are provided. A plurality of light sensing units are disposed between a first scanning light source and a second scanning light source, wherein the light sensing units, the first scanning light source and the second scanning light source are disposed at a same side of a touch surface. A touch position of an input tool is determined according to an intensity of a scattered light generated by an input tool and sensed by the light sensing units and generated when a first scanning beam and a second scanning beam scan the input tool. | 05-21-2015 |
20150131061 | LIGHT SOURCE MODULE AND PROJECTION APPARATUS - A light source module and a projection apparatus including the light source module, an optical engine module, and a projection lens are provided. The light source module includes a lamp holder, a casing, a light source, and a heat dissipation fan. The lamp holder has a cover having a first inlet and a first outlet. The casing is connected to the lamp holder and has a second inlet and at least one second outlet. The light source is fixed to the lamp holder fixed to a housing of the projection apparatus. The heat dissipation fan generates a heat dissipation airflow through an outflow side. A first part of the heat dissipation airflow enters the cover through the first inlet, and leaves the cover through the first outlet. A second part of the heat dissipation airflow enters the casing through the second inlet, and leaves the casing through the second outlet. | 05-14-2015 |
20150116982 | WAVELENGTH CONVERSION AND FILTERING MODULE AND LIGHT SOURCE SYSTEM - A wavelength conversion and filtering module that includes a plurality of optical regions is provided. The optical regions are adapted to move, and at least one of the optical regions includes a reflection unit, a wavelength conversion unit, a prism sheet, and a filter unit. The wavelength conversion unit is located between the reflection unit and the prism sheet. The prism sheet is located between the wavelength conversion unit and the filter unit. A light source system is also provided. | 04-30-2015 |
20150098070 | LIGHT WAVELENGTH CONVERSION MODULE, ILLUMINATION SYSTEM, AND PROJECTION APPARATUS - A light wavelength conversion module including a substrate, a first light wavelength conversion layer, and a first light transmissive layer is provided. The substrate has a light passing-through area and a first light wavelength conversion area. The first light wavelength conversion layer is located at the first light wavelength conversion area and between the first light transmissive layer and the substrate. The first light wavelength conversion layer is suitable for converting a coherent light beam into a first conversion light beam, wherein wavelengths of the coherent light beam and the first conversion light beam are different from each other. An illumination system and a projection apparatus are also provided. | 04-09-2015 |
20150092164 | OPTICAL ENGINE MODULE - An optical engine module includes a first casing with a first enclosed space, a light source at the first casing, a phosphor wheel in the first casing, a cooling fan and a heat-dissipating module. The light source emits a light beam passing through the phosphor wheel. The cooling fan is in the first enclosed space and has an airflow outlet. The heat-dissipating module includes two heat-dissipating parts and a heat-guiding part, wherein the first and second heat-dissipating parts are respectively in and outside the first enclosed space, the heat-guiding part is connected between the first and second heat-dissipating parts and the phosphor wheel is between the airflow outlet and the first heat-dissipating part. The airflow outlet and the phosphor wheel, and the phosphor wheel and the first heat-dissipating part, are at least partially overlapped with each other along the airflow exiting direction of the cooling fan. | 04-02-2015 |
20150085260 | COLOR WHEEL MODULE AND PROJECTION APPARATUS - A color wheel module and a projection apparatus are provided, wherein the color wheel module includes a color wheel, a cover and a flow detour duct. The cover shades the color wheel. The flow detour duct is communicated with the cover and has an airflow inlet and an airflow outlet. The rotating color wheel is configured to drive airflow into the flow detour duct from the airflow inlet, and cause the airflow through the color wheel and then discharged from the airflow outlet. | 03-26-2015 |
20150077714 | ILLUMINATION SYSTEM AND PROJECTION APPARATUS - An illumination system including at least one laser source, at least one anisotropic light expanding element and a wavelength conversion element is provided. The at least one laser source emits a laser beam. The at least one anisotropic light expanding element is disposed on the transmission path of the laser beam and causes the laser beam to expand along a light expanding direction. The light expanding direction is substantially parallel to the slow axis of the laser beam. The wavelength conversion element is disposed on the transmission path of the laser beam. A projection apparatus is also provided. | 03-19-2015 |
20150076329 | SIGNAL FILTERING DEVICE - A signal filtering device is provided. A photoelectric conversion unit is used to convert a light signal into an electric signal, and an input signal adjusting unit is used to decrease a DC component of the electric signal flowing through a DC filtering unit and adjust an AC component of the electric signal. | 03-19-2015 |
20150035868 | PROJECTION DEVICE AND LUMINANCE CONTROL METHOD OF FRAME THEREOF - A projection device and a luminance control method of a frame are provided. The luminance control method of the frame includes the following steps. Whether the frame is a dark-like frame or not is determined according to a gray level distribution of the frame and whether at least one sub-frame of the frame is a dark-like sub-frame or not is determined according to a gray level distribution of the sub-frame. When the frame is the dark-like frame and the sub-frame is not the dark-like sub-frame, a corresponding area of the sub-frame is ignored and a reference value of luminance is computed according to a part corresponding to the unignored area in the frame. The luminance of a projection light of the projection device is adjusted according to the reference value of luminance. | 02-05-2015 |
20150029140 | PORTABLE DISPLAY DEVICE - A portable display device that includes a casing, a pico-projection module, a first display screen, and a touch module is provided. The pico-projection module is located in the casing and capable of providing a first image light beam. The first display screen is located on the casing, and the pico-projection module is configured to project the first image light beam onto the first display screen. The touch module is located on the first display screen. | 01-29-2015 |
20150022733 | TOUCH MODULE, PROJECTION SYSTEM, AND TOUCH METHOD OF TOUCH MODULE - A touch module, a projection system, and a touch method of the touch module are provided. The touch module includes a laser scanner device, a photodiode, an image capturing device, and a processing unit. The laser scanner device sequentially provides a touch region with a laser beam at a plurality of angles in a first period. The photodiode is configured for receiving a reflection beam form a touch point in the touch region. The image capturing device captures an image having another reflection beam form the touch point in a second period. The processing unit determines a first angle corresponding to the touch point according to the reflection beam form the touch point received by the photodiode, determines a second angle corresponding to another reflection beam captured by the image capturing device, and calculates location information of the touch point according to the first angle and the corresponding second angle. | 01-22-2015 |
20140362349 | LIGHT SOURCE MODULE AND PROJECTION APPARATUS - A light source module including an exciting light source, a wavelength conversion module, and a light combining unit is provided. The exciting light source is capable of providing an exciting light beam. The wavelength conversion module includes at least one wavelength conversion reflecting portion and a wavelength conversion portion which cut into the transmission path of the exciting light beam alternately. When the wavelength conversion portion cuts into the transmission path of the exciting light beam, part of the exciting light beam which passes through the wavelength conversion portion is a first color light beam and another part of the exciting light beam is converted into a second color light beam by the wavelength conversion portion. The color of the second color light beam is different from that of the exciting light beam. A projection apparatus is also provided. | 12-11-2014 |
20140349027 | TRANSFER PRINTING APPARATUS AND MANUFACTURING METHOD OF LIGHT GUIDING FILM - A transfer printing apparatus includes a mold, a stamper, a pressing roller and a curing unit. The mold has a first surface with first and second concavities, the second concavity has first and second planes, the first plane is perpendicular to the first surface, and the second plane is inclined to the first surface. The stamper having a second surface is disposed in the first concavity. The first and second surfaces are coplanar, and the second surface has transfer printing microstructures. The first and second surfaces are suitable for coated an adhesive layer. The pressing roller presses a base film onto the adhesive layer, such that the adhesive layer is integrated with the base film. The curing unit cures the adhesive layer on the base film, such that a taper corresponding to the second concavity and optical microstructures corresponding to the transfer printing microstructures are formed on the adhesive layer. | 11-27-2014 |
20140333979 | LASER SCANNING DEVICE AND CONTROL METHOD THEREOF - A laser scanning device and a control method thereof are provided. The method includes: providing a control signal to an oscillating reflective mirror of the device; setting a frequency of the control signal gradually decreased from a maximal-setting-value of a resonant frequency of the mirror; judging whether a light detector receives a laser light reflected by the mirror according to an edge signal of the detector; judging whether a pulse width of the edge signal is equal to a predetermined pulse width when the detector receives the laser light: (1) increasing the frequency of the control signal when the pulse width of the edge signal is greater than the predetermined pulse width, (2) decreasing the frequency of the control signal when the pulse width of the edge signal is less than the predetermined pulse width. The time and labor for measuring the scanning frequency of the mirror may be saved. | 11-13-2014 |
20140307102 | PROJECTION DEVICE AND AUTOMATIC PROJECTION CALIBRATION METHOD THEREOF - A projection device and an automatic projection calibration method thereof are disclosed. When the projection device boots up, an image pattern corresponding to a display data is projected through a projecting unit. The image pattern is sensed through an image sensor to obtain information of the image pattern. The information of the image pattern is compared with information of a previous image pattern through a processing unit to determine whether to execute an automatic calibration procedure. When the processing unit executes the automatic calibration procedure, a calibration pattern is projected through the projecting unit. The calibration pattern is sensed through the image sensor to obtain information of the calibration pattern. A calibration driving procedure is executed through the processing unit to convert imaging coordinates of the calibration pattern sensed through the image sensor into projecting coordinates of the projection device, so as to establish a coordinate conversion table. | 10-16-2014 |
20140300874 | PROJECTION APPARATUS AND ELEVATING MECHANISM THEREOF - An elevating mechanism of a projection apparatus includes a housing, a guide slot, an adjustable foot mount, at least one resilient member, and a sliding arm. The guide slot is formed on a surface of the housing and having multiple sections to form a sliding path. At least one section has multiple teeth, and a recess is formed between each two adjacent teeth. The sliding arm has a fixed end and a free end, the fixed end is fixed on the adjustable foot mount, and the free end is slidably coupled to the guide slot. When the sliding arm slides on the section having the teeth, the free end of the sliding arm engages with any of the recesses to hold the adjustable foot mount at a selected position. | 10-09-2014 |
20140254023 | DISPLAY APPARATUS - A display apparatus including a display unit, a first reflector, a second reflector, a third reflector and a lens unit is provided. The display unit emits an image beam. The first reflector is disposed on a transmission path of the image beam. The second reflector is disposed on the transmission path of the image beam from the first reflector. The third reflector is disposed on the transmission path of the image beam from the second reflector. The lens unit is disposed on the transmission path of the image beam from the third reflector. The image beam emitted from the display unit passes through a space defined between the second reflector and the third reflector and is transmitted to the first reflector. Afterward, the image beam is sequentially reflected by the first reflector, the second reflector and the third reflector, and then passes through the lens unit. | 09-11-2014 |
20140204346 | PROJECTOR, COLOR WHEEL PROTECTION CIRCUIT, AND COLOR WHEEL PROTECTION METHOD - The invention provides a projector, a color wheel protection circuit, and a color wheel protection method. The projector includes a color wheel, a light source, a controller, and a protection circuit. The light source is controlled by a light source control signal to provide an illumination beam to the color wheel. The controller is used for providing the light source control signal to the light source. The protection circuit includes a resetting signal generator and a logic operator. The resetting signal generator is used for generating a resetting trigger signal according to the rotation speed of the color wheel, and generating a resetting output signal according to the resetting trigger signal. The logic operator is used for receiving the light source control signal and the resetting output signal, and resetting the light source control signal according to the resetting output signal. | 07-24-2014 |
20140199042 | RECORDABLE DISPLAY APPARATUS - The invention provides a recordable display apparatus, which uses a converting unit to convert the digital image signal into a specific image signal, in which the specific image signal has a signal format acceptable by the multimedia processor. The multimedia processor is used for integrating the specific image signal and the sound signal produced by the sound-receiving unit during receiving and recording the ambient sound into an audio/video (AV) recording data. | 07-17-2014 |
20140184725 | TELEPHONE WITH VIDEO FUNCTION AND METHOD OF PERFORMING VIDEO CONFERENCE USING TELEPHONE - A telephone with a video function is provided, including a projection module, a network module, a video-audio capturing module, a conference module and a processor. The network module provides a network interface. The video-audio capturing module is configured to capture an image and voice of a local user, and accordingly generates local video-audio data. The conference module provides the video conference function. The processor is electrically connected to the projection module, the network module, the video-audio capturing module and the conference module. When the processor enables the video conference function of the conference module, the telephone establishes a connection with a remote apparatus through the network interface, in order to receive a remote video-audio data of a remote user from the remote apparatus, and transmit the local video-audio data to the remote apparatus. The projection module projects an image corresponding to the remote video-audio data onto a projection surface. | 07-03-2014 |
20140176664 | PROJECTION APPARATUS WITH VIDEO CONFERENCE FUNCTION AND METHOD OF PERFORMING VIDEO CONFERENCE USING PROJECTION APPARATUS - A projection apparatus includes a projection module, a network module, a video-audio capturing module, a conference module and a processor. The network module provides a network interface. The video-audio capturing module is configured to capture an image and voice of a local user, and accordingly generates local video-audio data. The conference module provides the video conference function. The processor is electrically connected to the projection module, the network module, the video-audio capturing module and the conference module. When the processor enables the video conference function, the projection apparatus establishes a connection with a remote apparatus through the network interface, in order to receive a remote video-audio data of a remote user from the remote apparatus, and transmit the local video-audio data to the remote apparatus. The projection module projects an image corresponding to the remote video-audio data onto a projection surface. | 06-26-2014 |
20140168617 | PROJECTION APPARATUS - A projection apparatus includes a casing, a motherboard, a power board, a light source, and a projection lens. The motherboard includes a host circuit board, a light valve, and a CPU, and is contained inside the casing. The light valve and the CPU are on the host circuit board. The power board includes a power circuit board and an AC/DC power module. The power circuit board is contained inside the casing, and the AC/DC power module is on the power circuit board. The light source is used to produce an illuminating beam. The light valve is used to transform the illuminating beam into an image beam. The projection lens is used to transform the image beam into a projecting beam. The power circuit board is parallel to the host circuit board. An optical axis of the projection lens is perpendicular to the host circuit board and power circuit board. | 06-19-2014 |
20140118991 | WAVELENGTH CONVERSION WHEEL MODULE AND ILLUMINATION SYSTEM - A wavelength conversion wheel module and an illumination system are provided. The wavelength conversion wheel module includes a wavelength conversion wheel and a first actuator. The wavelength conversion wheel includes a plurality of annular areas. Each of the annular areas includes at least one wavelength conversion area and at least one light passing area. The wavelength conversion area converts an original light beam incident on the wavelength conversion area into a converted light beam. The wavelength of the converted light beam is different from the wavelength of the original light beam. The annular areas are arranged along the radial direction of the wavelength conversion wheel, and different annular areas have different optical parameters. The optical parameters of the annular areas are related to the wavelength conversion area and the light passing area. The first actuator is connected to the wavelength conversion wheel, and drives the wavelength conversion wheel to rotate. | 05-01-2014 |
20140118304 | TOUCH MODULE AND OPERATION METHOD THEREOF - The invention provides a touch module and an operation method thereof. The operation method of touch module includes following steps: detecting a touch point; judging whether the touch point is normal touching according to a detected result of the touch point; when the touch point is abnormal touching, reducing the intensity of an infrared laser of the touch module; and when the touch point is normal touching, judging out the position of the touch point. By using the operation method of touch module, it can reduce or avoid the injury of the infrared laser on the vulnerable portions of human body as abnormal touching. | 05-01-2014 |
20140117857 | ILLUMINATION SYSTEM - An illumination system for a projection apparatus includes a light source module, an integrating rod and an optical detecting module. The light source module is capable of emitting an illuminating light beam. The integrating rod has a light entrance surface facing toward the light source module. The optical detecting module includes a light guiding device and an optical detecting device. The light guiding device has a first end surface and a second end surface. The first end surface is farther away from the light entrance surface of the integrating rod than the second end surface. The optical detecting device is disposed adjacent to the first end surface of the light guiding device and electrically connected to the light source module. The light source module is capable of adjusting intensity of the illuminating light beam according to randomly emitted light detected by the optical detecting device. | 05-01-2014 |
20140097457 | SEMICONDUCTOR DEVICE - A semiconductor device includes a substrate and a semiconductor unit. The substrate includes a base and at least one pattern unit. The pattern unit includes a plurality of surrounding members disposed on the base and a central member surrounded by the surrounding members. A geometrical center is collectively defined by the surrounding members, an interval between the central member and the geometrical center is larger than zero. The semiconductor unit is disposed on the substrate and is operating with a current. | 04-10-2014 |
20140092483 | PROJECING LENS AND OPTICAL ENGINE - A projection lens disposed between an enlarged side and a reduced side is provided. The projection lens includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, which are sequentially arranged from the enlarged side to the reduced side. Refractive powers of the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are respectively negative, positive, positive, negative, positive and positive. A focal length of the third lens is greater than or equal to 20 mm and is less than or equal to 200 mm. An optical engine is also provided. | 04-03-2014 |
20140092368 | PROJECTING APPARATUS - A projecting apparatus includes a chassis, an optical engine, a first fan set and a second fan set. The first fan set is disposed in the chassis and located at a first air outlet, and is configured to drive air to flow via a first air inlet into the chassis to form a first air flow. The first air flow flows out of the chassis via the first air outlet. The second fan set is disposed in the chassis and located at a second air outlet, and is configured to drive air to flow via the first air inlet into the chassis to form a second air flow. The second air flow flows out of the chassis via the second air outlet. A flow direction of the first air flow at the first air outlet is perpendicular to that of the second air flow at the second air outlet. | 04-03-2014 |
20140085919 | VEHICLE ILLUMINATION APPARATUS - A vehicle illumination apparatus includes at least one illumination light source and at least one light guiding lens. The illumination light source is capable of providing an illumination beam. The light guiding lens includes a first light transmissive surface, a second light transmissive surface opposite to and smaller than the first light transmissive surface, an inner surrounding surface, and an outer surrounding surface. The first light transmissive surface is capable of projecting the illumination beam out of the light guiding lens. The inner surrounding surface and the second light transmissive surface are connected to each other and define a containing space configured to accommodate the illumination light source. The outer surrounding surface is connected to the inner surrounding surface and the first light transmissive surface. Besides, the outer surrounding surface has at least one light condensing region and at least one light diverging region. | 03-27-2014 |
20140085612 | ILLUMINATION SYSTEM AND PROJECTION APPARATUS - An illumination system adapted to be used in a projection apparatus is provided. The illumination system includes a solid-state light source group, a cooling module, and an ion fan. The cooling module is thermally coupled to the solid-state light source group. The cooling module is located on a path of a forced convection air generated by the ion fan. Moreover, the invention further discloses a projection apparatus including the aforementioned illumination system, and the projection apparatus avails prolonging a life time of the illumination system, and the ion fan does not have a magnetic shearing sound of a motor and a wind shearing sound of fan blades to avail reducing an operation noise of the illumination system. | 03-27-2014 |
20140071674 | LIGHT EMITTING APPARATUS AND LENS - A light emitting apparatus, including at least one lens, at least one light emitting element, and a light emitting section, is provided. The lens includes a first curving surface and a second curving surface opposite to the first curving surface. The light emitting element is adapted for emitting a light beam and is disposed on a side of the second curving surface. The light emitting section has a central area and is disposed on a side of the first curving surface, wherein the light beam emitted from the light emitting element is transmitted out of the light emitting apparatus through the second curving surface, the first curving surface, and the light emitting section in sequence. An optical axis of the second curving surface is close to the central area with respect to an optical axis of the first curving surface. A lens is provided as well. | 03-13-2014 |
20130321777 | ILLUMINATION SYSTEM AND PROJECTION APPARATUS - An illumination system including a plurality of first light emitting elements, a wavelength-converting unit, a first reflector and a second reflector is provided. The first light emitting elements respectively emit a plurality of exciting beams. The wavelength-converting unit is disposed on transmission paths of the exciting beams and converts the exciting beams into a first color light beam. The first reflector is disposed on the transmission paths of the exciting beams, and disposed between the first light emitting elements and the wavelength-converting unit. The first reflector has a hole. The exciting beams from the first light emitting elements are reflected by the first reflector. The second reflector reflects the exciting beams, reflected by the first reflector, to the wavelength-converting unit. The exciting beam reflected by the second reflector is transmitted to the wavelength-converting unit through the hole. A projection apparatus is also provided. | 12-05-2013 |
20130286679 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE USING THE SAME - A backlight module includes a light guide plate (LGP), a light source, and at least one prism sheet. The LGP includes a light emitting surface, a bottom surface, a light incident surface, and a plurality of first microstructures on the bottom surface. Each of the first microstructure is a recessed structure and includes a first surface and a second surface. An included angle between the first surface and the bottom surface ranges from 15 degrees to 27 degrees. An included angle between the second surface and the bottom surface ranges from 50 degrees to 90 degrees. The light source provides a light beam, and an included angle between a light emitting direction of the light beam emitted from the light emitting surface of the LGP and a normal direction of the light emitting surface is greater than 30 degrees. The prism sheet is disposed above the light emitting surface. | 10-31-2013 |
20130279199 | LIGHT SOURCE MODULE - A light source module including a light guide plate, a first light-emitting device and a second light-emitting device is provided. The light guide plate has a first surface, a second surface and a light incident surface. The light incident surface includes a first and second light incident sub-surfaces and a first end, wherein the second light incident sub-surface is oblique relative to the first light incident sub-surface. The first light-emitting device is disposed beside the first light incident sub-surface, and the second light-emitting device is disposed beside the second light incident sub-surface. The light guide plate has a visual area, and the visual area has a first corner located beside the first end, a light-emitting range of the second light-emitting device covers the first corner, and the second light incident sub-surface is located between the first end and the first light incident sub-surface. | 10-24-2013 |
20130258116 | IMAGE-CAPTURING DEVICE AND PROJECTION AUTOMATIC CALIBRATION METHOD OF PROJECTION DEVICE - An image-capturing device and a projection automatic calibration method of a projection device are provided. The image-capturing device includes an image sensing device, a lens, a processing unit and a storage unit. The lens is configured to image a calibration pattern on the image sensing device. The processing unit is configured to issue a projection calibration requirement and analyze the calibration pattern imaged on the image sensing device to obtain information relating to the calibration pattern, and the processing unit is further configured to convert imaging coordinates of the calibration pattern imaged on the image sensing device into projecting coordinates of the projection device by executing a calibration driving program to establish a coordinate conversion table. The storage unit is configured to store the calibration driving program and the coordinate conversion table. | 10-03-2013 |
20130257813 | PROJECTION SYSTEM AND AUTOMATIC CALIBRATION METHOD THEREOF - A projection system including a projection device, a computer device and an image-capturing device is provided. The computer device communicates with the projection device, and is configured to control the projection device to project a calibration pattern in response to a projection calibration requirement. The image-capturing device communicates with at least one of the computer device and the projection device, and is configured to issue the projection calibration requirement and capture the calibration pattern to automatically calibrate interactive coordinates between a display frame of the computer device and a projecting frame of the projection device. In addition, a calibration method relating to the projection system is also provided. | 10-03-2013 |
20130250249 | PROJECTOR AND LIGHT INTEGRATION ROD THEREOF - A projector includes a light source, a light integration rod, a light valve, and a projection lens. The light source provides an illumination beam. The light integration rod has a light incidence end and a light emission end opposite to each other. Through the light incidence and emission ends, the illumination beam is emitted into and out from the light integration rod, respectively. Each of the light incidence end and the emission end is in a rectangular shape. The light incidence end has a first long edge and a first short edge. The light emission end has a second long edge paralleling to the first short edge and a second short edge paralleling to the first long edge. The light valve converts the illumination beam into an image beam. The projection lens is disposed on a transmission path of the image beam. A light integration rod is also provided. | 09-26-2013 |
20130235608 | LIGHT SOURCE MODULE - A light source module includes an optical unit, which includes a light-emitting device, a light-guiding device and a light-converging structure. The light-guiding device has a light incident end, a light emitting end, a first curved surface connecting the light incident end and the light emitting end, and a side surface. The light-emitting device is disposed beside the light incident end. The section of the first curved surface by the side surface is a first curve. The section of the first curved surface by the reference plane perpendicular to the side surface is a second curve. The light-converging structure is disposed between the light-emitting device and the light incident end and has a first arc-convex surface and two second convex surfaces, in which the first arc-convex surface and the second convex surfaces are arranged along a direction parallel to the side-surface. | 09-12-2013 |
20130207891 | PROJECTION SYSTEM - A projection system includes a pointing sensing apparatus and a projection apparatus. The pointing sensing apparatus senses at least one of a plurality of instruction signals, and outputs a sensing signal accordingly. The projection apparatus displays a pointing pattern according to the sensing signal. The projection apparatus includes a control module, a first storage module and a second storage module coupled to the control module. The control module receives a plurality of image signals of different formats and generates a plurality of shrink-image data according to the image signals, respectively. The first storage module stores one of the image signals. The second storage module stores the shrink-image data. The projection apparatus displays a normal display image according to contents stored in the first storage module or displays a shrink array image according to contents stored in the second storage module in response to a selecting signal. | 08-15-2013 |
20130201721 | LIGHT SOURCE MODULE - A light source module including a light guide plate, a light-collecting structure and a light emitting device is provided. The light guide plate has a first light emitting surface, a bottom surface, a first light incident surface connecting with the bottom surface and the first light emitting surface, and an optical microstructure unit. The optical microstructure unit includes at least two optical microstructures. Each optical microstructure has a recessing part and a protruding part on the bottom surface. The light-collecting structure has a second light emitting surface connecting with the first light incident surface, a second light incident surface and a reflecting surface connecting with the second light emitting surface and the second light incident surface. A sectional line obtained by sectioning the reflecting surface along a first reference plane includes a first parabola. The reference plane is parallel to the first light emitting surface. | 08-08-2013 |
20130176540 | LIGHT SOURCE MODULE AND PROJECTION APPARATUS - A light source module includes a light-emitting device, a wavelength conversion device and a polarization and color separation unit. The light-emitting device provides an excitation beam including a first portion beam having a first polarization direction. The wavelength conversion device includes a first wavelength conversion area and a polarization conversion area. When the first portion beam irradiates the first wavelength conversion area, the first portion beam is converted into a first color beam. When the first portion beam irradiates the polarization conversion area, the first polarization direction of the first portion beam is converted to a second polarization direction. The polarization and color separation unit is disposed between the wavelength conversion device and the light-emitting device, and transmits the first portion beam with the first polarization direction, and reflects the first portion beam with the second polarization direction and the first color beam to the same direction. | 07-11-2013 |
20130169942 | AIR FILTER MODULE AND PROJECTION DEVICE USING THE SAME - An air filter module adapted to be used with a projection module and disposed to cover an air vent of the projection module. The air filter module includes a filter component and a cleaning unit. The cleaning unit is disposed to cover the air vent and configured to drive the filter component to have a movement so as to remove the dust on the filter component according to a cleaning-start signal. A projection device adopting the air filter module is also provided. | 07-04-2013 |
20130148088 | APPARATUS CASING, PROJECTION SYSTEM AND ASSEMBLING METHOD OF APPARATUS CASING - An apparatus casing including a first shell, a second shell covering the first shell, a sliding part, an elastic part and a position-limiting part is provided. The second shell has a slot. The slot includes two portions respectively having a first and a second width. The sliding part is slidably disposed in the first shell. The elastic part is compressed between the first shell and the sliding part. The position-limiting part is disposed at the sliding part. An end of the position-limiting part extends into the second shell through the slot. An external diameter of the end of the position-limiting part is greater than the first width but less than the second width. The sliding part withstands an elastic force generated by the elastic part to drive the end of the position-limiting part to move from a position of the first portion to a position of the second portion. | 06-13-2013 |
20130120719 | LIGHT SOURCE MODULE AND PROJECTION DEVICE USING THE SAME - A light source module includes a shell, a fixed ring, an optical element, a first cover and a light-emitting element. The shell is formed as a tubular shape. The fixed ring, the optical element and the light-emitting element are all received in an inside of the shell, and the first cover is disposed at an end of the shell. In addition, the shell has a first stop part disposed in the inside of the shell, the optical element is disposed between the first stop part and the fixed ring, and the optical element is leant against the first stop part and the fixed ring. The light-emitting element is disposed between the fixed ring and the first cover, and is leant against the fixed ring and the first cover. A projection device using the source light module is also provided. | 05-16-2013 |
20130101389 | HEAT-DISSIPATING SYSTEM AND CONTROL METHOD THEREOF - The invention provides a heat-dissipating system and a control method thereof. The heat-dissipating system has a plurality of fans and is configured for adjusting rotation-speeds of the fans. The control method includes following steps: obtaining a plurality of rotation-speed values of the fans; computing out a rotation-speed reference value according to the rotation-speed values; when the rotation-speed reference value is greater than a first threshold value, decreasing the rotation-speeds of the fans through a corresponding fan control signal; when the rotation-speed reference value is less than a second threshold value, increasing the rotation-speeds of the fans through the corresponding fan control signal. | 04-25-2013 |
20130100417 | ILLUMINATION SYSTEM AND PROJECTION APPARATUS - An illumination system includes a coherent light source, a phosphor switching module, a beam combining unit and a diffusion switching module. The coherent light source emits a coherent light beam. The phosphor switching module includes a light passing section and a first phosphor reflecting section. The light passing section and first phosphor reflecting section are switched into a transmission path of the coherent light beam by turns. The first phosphor reflecting section converts and reflects the coherent light beam into a first color beam. The beam combining unit combines the coherent light beam passing through the light passing section and the first color light beam. The diffusion switching module includes a light diffusion section and a first light permeable section to be switched into the transmission paths of the coherent light beam and the first color light beam by turns. A projection apparatus is also disclosed. | 04-25-2013 |
20130083299 | PROJECTOR AND LIGHT SOURCE CONTROLLING METHOD THEREOF - A projector and a light source controlling method thereof are provided. The light source controlling method includes the following steps. The light source module is controlled to adjust a luminance of a projection light generated by a light source module starting from a low luminance. A power source voltage from an electronic device is detected to be equal to a threshold voltage or not. A power of the power source voltage is detected to be equal to a threshold power or not. When the power source voltage is equal to the threshold voltage and the power of the power source voltage is less than or equal to the threshold power, or when the power source voltage is greater than or equal to the threshold voltage and the power of the power source voltage is equal to the threshold power, the adjustment of the luminance of the projection light is stopped. | 04-04-2013 |
20130083294 | ILLUMINATION SYSTEM AND PROJECTION APPARATUS - An illumination system is provided, including a blue incoherent light source, a coherent light source, a phosphor module and a beam combining unit. The blue incoherent light source is capable of emitting a blue incoherent light beam. The coherent light source is capable of emitting a coherent light beam. The phosphor module has a first color phosphor zone and a second color phosphor zone. The first color phosphor zone and the second color phosphor zone move into a transmission path of the coherent light beam in turn, to convert the coherent light beam to a first color light beam and a second color light beam respectively. The beam combining unit is disposed on transmission paths of the blue incoherent light beam, the first color light beam and the second color light beam. A projection apparatus is also provided. | 04-04-2013 |
20130055229 | PROJECTION SYSTEM AND METHOD FOR UPDATING THE SAME - A projection system including a first projector and a plurality of second projectors is provided. The first projector has a control interface, a first transmission interface, a second transmission interface and a first image unit. The control interface is used for receiving an update message, and the first image unit performs firmware updating according to the update message. Each of the second projectors has a third transmission interface, a fourth transmission interface and a second image unit. The first transmission interface, the second transmission interface, the third transmission interfaces and the fourth transmission interfaces are connected in series to form a transmission channel. The first image unit transmits the update message to the second image units through the transmission channel, and the second image units perform firmware updating according to the update message. | 02-28-2013 |
20130044515 | EDGE-TYPE BACKLIGHT MODULE - An edge-type backlight module including a light guide plate, a reflecting element, light emitting elements, and a light absorbing element is provided. The light guide plate includes a first surface, a second surface opposite to the first surface, and at least one light incident surface. The reflecting element is disposed on the second surface and has openings disposed on a side of the reflecting element corresponding to the light incident surface. The light emitting elements are disposed beside the light incident surface and corresponding to the openings, respectively. Each light emitting element emits a light beam which enters the light guide plate via the light incident surface and is transmitted out of the light guide plate via the first surface. The light absorbing element is disposed beneath the reflecting element, supports the reflecting element, and absorbs a part of the light beams entering the openings via the light incident surface. | 02-21-2013 |
20130027677 | PROJECTION APPARATUS WITH LOCKING STRUCTURE - A projection apparatus with locking structure includes an apparatus case including a main casing, a lid and at least one locking structure at the main casing and the lid, a light source, a light valve and a lens. The structure includes a slot having two opposite ends at the casing, at-least one elastic arm in the slot and at-least one positioning pillar at the lid. | 01-31-2013 |
20130024182 | METHOD OF VIEWING DOCUMENT FILE AND PROJECTION APPARATUS USING THE SAME - A method for viewing a document file and a projection apparatus using the method are provided. The method is suitable for a projection apparatus which has a built-in file viewer. In the method, multi-lingual word banks supported by the projection apparatus are grouped to obtain a plurality of language groups. Each of the language groups shares at least one of the word banks. One of the language groups is linked in response to an input condition, and the linked language group is provided to the file viewer for performing a loading operation, so as to allow the file viewer to view the document file. | 01-24-2013 |
20130003027 | PROJECTION APPARATUS AND LIGHT SOURCE ADJUSTING METHOD THEREOF - A projection apparatus including a digital micro mirror device (DMD), a light source, a lens, a photoelectric conversion device, a decision device and an adjustment module is provided. When the DMD is switched to a first operating state, the DMD reflects a light beam emitted by the light source to the lens. When the DMD is switched to a second operating state, the DMD reflects the light beam to the photoelectric conversion device. The photoelectric conversion device generates a signal value according to a light intensity of the light beam. The decision device compares the signal value with a predetermined value. When the signal value is smaller than the predetermined value, the decision device generates a driving signal value. The driving signal value is used for driving the adjustment module to sequentially adjust a position of the light source along a plurality of axes. | 01-03-2013 |
20130003025 | PROJECTION APPARATUS - A projection apparatus includes an optical engine base, a light source, a light valve, a lens module, and a fan. The light source is disposed at the optical engine base for emitting an illumination beam. The light valve is disposed at the optical engine base for converting the illumination beam into an image beam. The lens module is disposed at the optical engine base and includes a lens barrel and a lens assembly disposed in the lens barrel for converting the image beam into a projection beam. The fan is disposed at the optical engine base, and adjacent to the lens module. The fan is used for providing an air flow to cool the lens module. | 01-03-2013 |
20130003024 | PROJECTION APPARATUS AND ARRAY LENS MODULE - A projection apparatus includes an optical engine base, a light source, a light valve, a projection lens, and an array lens module. The light source, the light valve, and the projection lens are installed to the optical engine base. The array lens module includes a frame body fixed to the optical engine base, a first array lens, and a second array lens. One of the first array lens and the frame body has a first positioning hole while the other one has a first positioning pillar inserted into the first positioning hole. One of the second array lens and the frame body has a second positioning hole while the other one has a second positioning pillar inserted into the second positioning hole. A light beam emitted by the light source passes through the first array lens, the second array lens, and the light valve sequentially to reach the projection lens. | 01-03-2013 |
20130002654 | THREE-DIMENSIONAL GLASSES AND METHOD FOR OPERATING THE SAME - A three-dimensional (3D) glasses and a method for operating the same are provided. The 3D glasses includes a first lens, a second lens, an infrared receiver and a control unit. The infrared receiver receives an infrared signal to output a digital control signal. The control unit is coupled to the infrared receiver. The control unit controls a first state of the first lens and a second state of the second lens according to a first pulse of the digital control signal, where at least one of the first state and the second state is an OFF state. | 01-03-2013 |
20120310589 | ROTATION SPEED DETECTING DEVICE AND DETECTING METHOD THEREOF - A rotation speed detecting device is provided. The rotation speed detecting device is electrically connected to a motor of a color wheel, and includes a phase detecting unit and a time calculating unit. The phase detecting unit is suitable for detecting a reference phase point of a rotation information outputted by the motor, and outputting a phase signal according to the reference phase point. The time calculating unit is electrically connected to the phase detecting unit, and calculates a speed information of the motor according to the phase signal. In this way, the rotation speed of the motor of the color wheel is correctly measured. | 12-06-2012 |
20120275190 | LIGHT GUIDE PLATE AND LIGHT SOURCE MODULE - A light guide plate (LGP) includes a first surface, a second surface, at least one light incident surface, and a plurality of micro-structure sets. The second surface is opposite to the first surface. The light incident surface connects the first surface to the second surface. The micro-structure sets are separately disposed on the second surface, and the micro-structure sets are not continuous in any direction parallel to the first surface. Each of the micro-structure sets includes at least one protrusive structure that protrudes from the second surface and at least one recessive structure that is recessed in the second surface. A light source module is also provided. | 11-01-2012 |
20120262636 | THREE-DIMENSIONAL GLASSES AND POWER SUPPLYING METHOD THEREOF - A three-dimensional glasses including a glasses main body, a touch control circuit, a first and a second touch sensing interfaces, a glasses circuit system and a power supplying module is provided. The glasses main body has a first and a second sensing portions. The touch control circuit and the glasses circuit system are disposed in the glasses main body. The first and the second touch sensing interfaces are disposed at the first and the second sensing portions, electrically connected to the touch control circuit, and respectively transmit a first and a second input signals to the touch control circuit. After the touch control circuit receives the first and the second input signals, the touch control circuit transmits a power supplying signal to the power supplying module to drive the power supplying module to supply power to the glasses circuit system. Besides, a power supplying method is also provided. | 10-18-2012 |
20120228479 | CONTROL CIRCUIT AND OPERATION METHOD FOR PROJECTOR - A control circuit is applied into a projector and an operation method is provided for the projector. The projector includes a photo sensor provided for generating a sensing voltage according to light intensity sensed by the photo sensor. The control circuit includes a first voltage-comparing unit, a reference voltage generating unit and a second voltage-comparing unit. The first voltage-comparing unit is provided for comparing the sensing voltage and a first reference voltage, to generate a first comprising result. The reference-voltage generating unit is provided for generating a second reference voltage and determining whether adjusting the second reference voltage according to the first comparing result. The second reference voltage is relatively larger than the first reference voltage. The second voltage-comparing unit is provided for comparing the sensing voltage and the second reference voltage, to generate a second comparing result. | 09-13-2012 |
20120206900 | LIGHT SOURCE MODULE AND PROJECTION APPARATUS - A light source module includes a light-emitting device emitting an excitation light beam, a reflective component including a reflective surface with a first focal point and a second focal point, a wavelength conversion device including a plurality of excited regions and disposed nearby the first focal point and on the transmission path of the excitation light beam, and an optical component. By rotating the wavelength conversion device, the excitation light beam irradiates the different excited regions at different time, so that the excitation light beam is converted into different wavelength light beams at different time, and the different wavelength light beams respectively correspond to the excited regions and are reflected by the reflective surface and converged at the second focal point. The optical component is disposed nearby the second focal point so the different wavelength light beams pass through the second focal point and are transmitted to the optical component. | 08-16-2012 |
20120206699 | PROJECTION DEVICE - A projection device including a case, a zoom lens module, a focus lever, and a linkage mechanism is provided. The case defines a guiding slot. The zoom lens module is disposed in the case and is configured for projecting an image. The focus lever is disposed in the case and is connected to the zoom lens module. The focus lever is perpendicular to a lengthening direction of a center axis of the zoom lens module. The linkage mechanism includes an adjusting rod having a connecting portion and an operating portion. The connecting portion is connected to the focus lever and is configured for rotating relative to the focus lever and moving along the lengthening direction of the focus lever. The operating portion extends out of the case and is configured for being controlled to move relative to the case along a lengthening direction of the guiding slot. | 08-16-2012 |
20120194919 | ZOOMING ADJUSTMENT MECHANISM AND PROJECTION LENS MODULE - A zooming adjustment mechanism including a holder, a zoom ring, at least two rollers, a first resilient sheet, and a second resilient sheet is provided. The zoom ring is confined to the holder and coupled to a zoom bar. The rollers are respectively confined to a groove of the holder and in contact with a bottom surface of the zoom ring. The first resilient sheet is disposed on a first side of the holder, and each end of the first resilient sheet leans against a roller. The second resilient sheet is disposed on a second side of the holder, and each end of the second resilient sheet leans against a roller. A projection lens module including the zooming adjustment mechanism is also provided. | 08-02-2012 |
20120188792 | LIGHT GUIDE PLATE AND LIGHT SOURCE MODULE - A light guide plate including a first surface, a second surface, at least one light incident surface, and a plurality of groove sets is provided. The light incident surface connects the first surface and the second surface. The groove sets are separately disposed on the second surface. Each of the groove sets includes a plurality of curved grooves. Each of the curved grooves has a curved inclined reflective surface and a curved back-to-light surface connected thereto. The curved inclined reflective surface is inclined with respect to the first surface. The curved grooves of each of the groove sets curve toward the same curving direction. The curved inclined reflective surface of one of two adjacent curved grooves is connected to the curved back-to-light surface of the other one of the two adjacent curved grooves through a connection surface. A light source module is also provided. | 07-26-2012 |
20120168391 | ADJUSTMENT MODULE OF A PROJECTOR - An adjustment module adapted to a projector includes first and second racks, a screw, a rotary knob, a pin, and an elastic member. The first rack fixed to the projector has a first opening. The second rack is pivotally connected to the first rack and has a second opening. The screw is configured between the first rack and the second rack. The rotary knob has a threaded hole. One end of the screw passes through the first opening and is screwed into the threaded hole. The other end of the screw passes through the second opening and is fixed to the pin. The first rack and the second rack are located between the rotary knob and the pin. The elastic member is configured between the first rack and the second rack. The elastic member pushes the first rack against the rotary knob and pushes the second rack against the pin. | 07-05-2012 |
20120162613 | PROJECTION APPARATUS - A projection apparatus including an illumination system, a light valve, and a projection lens is provided. The illumination system provides an illumination beam. The light valve is disposed on a transmission path of the illumination beam, and is used to convert the illumination beam into an image beam. The projection lens is disposed on a transmission path of the image beam and has a lens group, and the lens group includes a plurality of lenses. A lens of the lenses closest to the light valve has an optical axis, a first edge, and a second edge. The first edge and the second edge are located on opposite sides of the optical axis, and a ratio of a distance from the first edge to the optical axis and a distance from the second edge to the optical axis is greater than or equal to 0 and less than 1. | 06-28-2012 |
20120154362 | PROJECTION SYSTEM AND PROJECTION APPARATUS - A projection system including an electronic device and a projection apparatus is provided. The electronic device has a first power connector and a signal transmission portion. The projection apparatus includes a main body, a second and a third power connector, and a signal receiving portion. The main body is coupled to an external power source through a power cable. The second power connector is disposed on the main body and is coupled to the first power connector. The third power connector is disposed on the main body and is coupled between the second power connector and the power cable. The external power source provides power to the electronic device through the power cable and the third, second, and first power connectors in sequence. The signal receiving portion is disposed on the main body. The electronic device transmits a projection signal to the signal receiving portion through the signal transmission portion. | 06-21-2012 |
20120133252 | DEVICE HOUSING - A device housing includes first and second cases, a first magnetically sensitive positioning pin, and a first compressible member. The first case has a first protruding block having a first positioning hole. The second case has a first groove having a second positioning hole. When the first protruding block is disposed in the first groove, the first positioning hole is aligned with the second positioning hole. The first magnetically sensitive positioning pin runs through the first and second positioning holes to position the second case on the first case. The first compressible member is disposed in the first positioning hole and between an inner wall of the first positioning hole and the first magnetically sensitive positioning pin. When a first magnetic force acts on the first magnetically sensitive positioning pin, the first magnetically sensitive positioning pin compresses the first compressible member and moves away from the second positioning hole. | 05-31-2012 |
20120127755 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate is adapted for guiding a light beam provided by a light emitting device. The light guide plate includes a light-transmissive substrate, a plurality of optical microstructures, and a plurality of diffusion particles. The light-transmissive substrate has a first surface, a second surface, and a light incident surface. The second surface is opposite to the first surface. The light incident surface connects the first surface and the second surface. The light beam is capable of entering the light-transmissive substrate through the light incident surface. The optical microstructures are disposed on the second surface. The diffusion particles are distributed in the light-transmissive substrate, and a haze value of the light guide plate is greater than or equal to 0.4% and smaller than or equal to 80%. A backlight module using the light guide plate is also provided. | 05-24-2012 |
20120099082 | ILLUMINATION APPARATUS AND PROJECTION APPARATUS - An illumination apparatus including a first light emitting device, a first phosphor layer, a second light emitting device and a second phosphor layer and a beam combining element is provided. The first light emitting device is capable of providing a first light beam and the first phosphor layer is disposed on the transmission path of the first light beam. The second light emitting device is disposed opposite to the first light emitting device and for providing a second light beam, wherein the second phosphor layer is disposed on the transmission path of the second light beam. The beam combining element is disposed between the first phosphor layer and the second phosphor layer. In addition, the invention also provides a projection apparatus. | 04-26-2012 |
20120091306 | PROJECTION DEVICE - A projection device including a turntable module and a projection module is provided. The turntable module includes a first turntable and a second turntable. The first turntable is disposed on a surface. The second turntable is disposed on the first turntable and connected to the first turntable, and rotates relative to the first turntable by revolving along a rotation axis. The projection module is disposed on the turntable module and fixed to the second turntable. | 04-19-2012 |
20120032776 | ELECTRONIC SYSTEM AND METHOD OF CONTROLLING THE SAME - An electronic system and a method of controlling the same are provided. The electronic system has an electronic device and a remote controller. The electronic device has a storage unit for storing a first password. The remote controller is used to control the operations of the electronic device. When a switch module of the remote controller is pressed, the remote controller generates a power on signal. The power on signal has a power on command and a second password. When the first password and the second password are the same, the electronic device is permitted to complete a power on operation according to the power on command. Accordingly, the electronic system has an anti-theft function. | 02-09-2012 |
20120032046 | ADJUSTING MECHANISM AND PROJECTOR HAVING THE SAME - An adjusting mechanism adapted to adjust a position of a projection unit relative to a fixing object is provided. The adjusting mechanism includes a base, a sliding plate, a first screw, and an elastic element. The base is adapted to be fixed to the fixing object. The sliding plate is slidably disposed on the base along a first axis and adapted to be fixed to the projection unit. The first screw is fixed to the sliding plate and screwed to the base, wherein the first screw drives the projection unit to move relatively to the base along the first axis when the first screw is rotated. The elastic element is compressed between the base and the sliding plate along the first axis. | 02-09-2012 |
20120019785 | LIGHT SOURCE MODULE, PROJECTION APPARATUS, AND METHOD OF CONTROLLING THE SAME - A light source module, a projection apparatus, and a method of controlling the projection apparatus are provided. The projection apparatus has the light source module. The light source module has a first light source, a wavelength transforming unit, and a driver. The first light source generates a first light beam having a first wavelength according to a first pulse width modulation (PWM) signal. The wavelength transforming unit transforms the first light beam into a second light beam having a second wavelength. The driver drives the wavelength transforming unit, such that the first light beam irradiates a start position on the wavelength transforming unit when a rising edge of the first PWM signal is detected. The start position is determined by a controller. | 01-26-2012 |
20110292680 | LIGHT GUIDE UNIT AND LIGHT SOURCE MODULE - A light guide unit having a planar portion, a first curved portion, and a second curved portion are disclosed. The first curved portion has a first optical surface, a second optical surface, and a light incident surface connecting the first and the second optical surfaces. The planar portion has a first and a second surfaces, respectively, connected to the first and the second optical surfaces. Absolute values of slopes of the first and second optical surfaces with respect to the first and second surfaces gradually increase near to the light incident surface, respectively. The planar portion connects the first and the second curved portions having a third surface and a third optical surface, and the second surface connects the second and the third optical surfaces. An absolute value of a slope of the third optical surface with respect to the second surface gradually increases away from the first surface. | 12-01-2011 |
20110273628 | OPTICAL DEVICE AND PROJECTION SYSTEM - An optical device for controlling a projector is provided. The projector projects a projection image. The optical device includes a receiving module, a mode switching module, and a transmission module. The receiving module is capable of sensing a reflected signal of the projection image. The mode switching module is capable of generating a control signal to control the projector to switch from a first mode to a second mode. The transmission module is capable of transmitting the reflected signal and the control signal to the projector. A projection system including the projector and the optical device is also provided. | 11-10-2011 |
20110273617 | OPTICAL DEVICE AND PROJECTION SYSTEM - An optical device is capable of controlling a projector, wherein the projector is capable of wirelessly receiving an image signal from a data source, combining an identification signal into the image signal to generate a projection signal, and projecting a projection image according to the projection signal. The optical device includes an optical sensor. The optical sensor is capable of sensing the identification signal of the projection image, outputting a detection signal corresponding to the identification signal and wirelessly transmitting the detection signal to the projector. A projection system including a projector and an optical sensor is provided as well. | 11-10-2011 |
20110267694 | OPTICAL FILM - An optical film includes a light transmissive substrate having a first surface and a second surface opposite thereto, strip protrusions on the first surface, and protruding structures on crest lines of the strip protrusions. Each strip protrusion has two strip surfaces. Each protruding structure has a protruding end protruding from the crest line of the corresponding strip protrusion and two wing portions on the strip surfaces of the corresponding strip protrusion. Each wing portion extends from the protruding end to a place between the crest line and a valley line. A length of the protruding structure parallel to an extension direction of the crest line is L, a width of the protruding structure perpendicular to the crest line is W, and L/W≧1.2. At least one of a moiré phenomenon, a local adherence phenomenon, a scratching phenomenon, and a wearing phenomenon with other optical devices is effectively mitigated. | 11-03-2011 |
20110261326 | ILLUMINATION MODULE, PROJECTION APPARATUS, AND LIGHT SOURCE CONTROL METHOD - An illumination module including a light emitting element, a wavelength conversion unit, a control unit, and a determining unit is provided. The light emitting element is capable of emitting an excitation light beam. The wavelength conversion unit is disposed on a transmission path of the excitation light beam for converting the excitation light beam into a color light beam. The control unit is connected to the wavelength conversion unit and capable of driving the wavelength conversion unit to rotate and to shift relative to the excitation light beam. The determining unit is electrically connected to the control unit. When the determining unit determines that a shifting condition is satisfied, the determining unit instructs the control unit to shift the wavelength conversion unit relative to the excitation light beam, so as to change the irradiation position of the excitation light beam on the wavelength conversion unit. | 10-27-2011 |
20110244728 | UNIVERSAL SERIAL BUS CONNECTOR AND ADAPTOR OF THE CONNECTOR - A USB connector includes a body and first to fifth pins. The body has the same size as a type A USB connector. The first to fifth pins are disposed in the body. The first pin is adapted to be electrically connected to a power voltage. The second and the third pins are capable of transmitting a differential data signal. The fifth pin is adapted to be electrically connected to a reference voltage. The fifth pin and the fourth pin are a predetermined distance apart, so that the fourth pin is connected to the fifth pin via a ground pin of the four pins of a type A USB connector when the type A USB connector is connected to the USB connector. Furthermore, an adaptor of the USB connector is also provided. | 10-06-2011 |
20110242791 | LIGHT SOURCE MODULE AND WAVELENGTH CONVERSION MODULE - A light source module and a wavelength conversion module are provided. The light source module includes a first light emitting device, a reflection unit, a wavelength conversion unit, a second light emitting device and a light combination unit. The first light emitting device emits an exciting beam. The reflection unit is disposed on a transmission path of the exciting beam. The wavelength conversion unit is disposed on the reflection unit and located on the transmission path of the exciting beam. The exciting beam is obliquely incident into the wavelength conversion unit along an optical axis of the first light emitting device, and the wavelength conversion unit converts the exciting beam into a first color beam. The second light emitting device emits a second color beam. The light combination unit is disposed on transmission paths of the first color beam and the second color beam. | 10-06-2011 |
20110242495 | LIGHT SOURCE MODULE AND PROJECTION APPARATUS - A light source module and a projection apparatus are provided. The light source module includes a first light-emitting device, a wavelength conversion device, a second light-emitting device and a light combination device. The first light-emitting device emits an exciting beam. The wavelength conversion device is disposed on a transmission path of the exciting beam, and converts the exciting beam into a first color beam. The wavelength conversion device is suitable for moving, so that the exciting beam illuminates into different positions of the wavelength conversion device at different time. The second light-emitting device emits a second color beam. Colors of the first color beam and the second color beam are different. The light combination device is disposed on transmission paths of the first color beam and the second color beam, and combines the first color beam and the second color beam. | 10-06-2011 |
20110241603 | PORTABLE POWER SUPPLY DEVICE - A portable power supply device including a power storage module, a charging module, and a power supply module is provided. The power storage module is electrically connected to the charging module and is used for storing electric power. The charging module wirelessly receives energy from a first power source and charges the power storage module by using the received energy. The power supply module is electrically connected to the power storage module, and is used for wirelessly supplying electric power stored in the power storage module to a first external device. Since the portable power supply device may wirelessly receive and wirelessly output power and a power connector is eliminated, a utilization range of the portable power supply device is not limited by a length of a power line and a situation of the portable power supply device being unusable due to mismatch of the power connector may be avoided. | 10-06-2011 |
20110241573 | LIGHT GUIDE PLATE AND LIGHT SOURCE MODULE - A light guide plate includes a first surface, a second surface, at least a light incident surface, and a plurality of groove sets. The second surface is opposite to the first surface. The light incident surface connects the first surface and the second surface. The groove sets are separately disposed on the second surface. Each of the groove sets includes a plurality of curved grooves. Each of the curved grooves has a curved inclined reflective surface and a curved light-back-surface. The curved inclined reflective surface is inclined with respect to the first surface. The curved grooves of each of the groove sets curve towards a same curving direction. The curved inclined reflective surface of one of two curved grooves is connected to the curved light-back-surface of the other one of the two curved grooves. A backlight module is also provided. | 10-06-2011 |
20110228560 | BACKLIGHT MOUDLE - A backlight module includes a light guide plate (LGP) and a light emitting unit. The LGP has a first surface, a second surface, a light incident surface, a first curved convex surface, a first plane, a second curved convex surface and a second plane. The first surface has a visual area. The second surface is opposite to the first surface. The light incident surface, the first curved convex surface, the first plane, the second curved convex surface, and the second plane connects the first surface and the second surface. The light incident surface connects the first plane and the second plane. The light emitting unit is disposed beside the light incident surface for emitting a light beam, wherein the light beam is capable of entering the LGP through the light incident surface, and being transmitted out of the LGP through the visual area of the first surface. | 09-22-2011 |
20110228387 | BACKLIGHT MODULE, STEREO DISPLAY APPARATUS, AND BEAM SPLITTING FILM - A beam splitting film including a light transmissive plate and a plurality of strip protrusion groups is provided. The light transmissive plate has a first surface and a second surface. The strip protrusion groups are disposed on the second surface. Each of the strip protrusion groups includes a first strip protrusion and a second strip protrusion. The first strip protrusion has a first strip surface and a second strip surface inclined relative to the second surface. The second strip protrusion has a third strip surface and a fourth strip surface inclined relative to the second surface. An average slope of the first strip surface is not equal to an average slope of the third strip surface. An average slope of the second strip surface is not equal to an average slope of the fourth strip surface. A backlight module and a stereo display apparatus are also provided. | 09-22-2011 |
20110228235 | PROJECTOR - A projector includes a supporting frame, a light source module, and an imaging module. The light source module is fixed with the supporting frame. The light source module is adapted to provide a light beam. The light source module has an optical axis. The optical axis is substantially horizontal. The imaging module is located at an optical path of the light beam. The imaging module has a free end and a connection end opposite to the free end. The free end is adjacent to the light source module. The connection end is connected with the supporting frame. The imaging module is capable of rotating relative to the supporting frame about the optical axis, and therefore a projection location of an emitted light is changed. | 09-22-2011 |
20110222216 | HANDHELD ELECTRONIC DEVICE - A handheld electronic device includes a main body and a cover. The main body has a bottom surface and a side surface adjacent to each other. A strap hole is formed in the side surface of the main body. A receiving slot and an observing opening are formed in the bottom surface. The observing opening is located at an edge of the bottom surface and is aligned and communicates with the strap hole. The cover is detachably disposed on the bottom surface to cover the receiving slot and the observing opening. | 09-15-2011 |
20110221999 | BEAM SPLITTING FILM, BACKLIGHT MODULE, AND STEREO DISPLAY APPARATUS - A beam splitting film includes a light transmissive plate, a plurality of cylindrical lenticular lenses, and a plurality of strip-shaped protrusion groups. The light transmissive plate has a first surface and a second surface. The cylindrical lenticular lenses are disposed on the first surface. The strip-shaped protrusion groups are disposed on the second surface. Each of the strip-shaped protrusion groups includes at least two strip-shaped protrusions. Each of the strip-shaped protrusion groups corresponds to one of the cylindrical lenticular lenses. A distance between an orthographic projection of a geometric center of each of the strip-shaped protrusion groups on the first surface and an orthographic projection of a geometric center of the corresponding cylindrical lenticular lens on the first surface is less than ten times of a distance between the geometric centers of two adjacent cylindrical lenticular lenses. A backlight module and a stereo display apparatus are also provided. | 09-15-2011 |
20110221996 | BACKLIGHT MODULE AND STEREO DISPLAY APPARATUS - A backlight module including a beam splitting film, a light guide plate, and two light emitting elements is provided. The beam splitting film includes a light transmissive plate and multiple strip-shaped protrusion structures. Each of the strip-shaped protrusion structures has a first inclined surface group and a second inclined surface group. The first inclined surface group includes a first inclined surface and a second inclined surface with different slopes. The second inclined surface group includes a third inclined surface and a fourth inclined surface with different slopes. The light guide plate is disposed beside the beam splitting film. The two light emitting elements are respectively disposed at two opposite sides of the light guide plate and capable of flickering alternately. A stereo display apparatus is also provided. | 09-15-2011 |
20110211171 | LIGHT SOURCE APPARATUS AND PROJECTION DEVICE - A light source apparatus adapted to a projection device having a casing and an optical engine base is provided. The light source apparatus includes a shell, a positioning element, a frame, and a light source. The shell is adapted to be disposed in the casing and lean against the optical engine base. The positioning element is assembled to the shell and has two positioning holes. The frame is disposed in the shell and has two positioning pins, wherein the two positioning pins are inserted into the two positioning holes respectively for positioning the frame with respect to the shell. The light source is fixed to the frame. A projection device is also provided. | 09-01-2011 |
20110210697 | WIRELESS RECHARGEABLE BATTERY - A wireless rechargeable battery includes a housing, a circuit module, an energy storage unit, and a plurality of electrodes. The wireless rechargeable battery is adapted to be disposed on a wireless charging device to be wirelessly charged. The circuit module includes a receiving unit and a power management unit. The receiving unit is disposed in the housing and adapted to receive electric energy from the wireless charging device. The power management unit is disposed in the housing and electrically coupled to the receiving unit. The energy storage unit is disposed in the housing and electrically coupled to the power management unit. The electric energy is adapted to be inputted to the energy storage unit via the power management unit. The electrodes are disposed on the housing and electrically coupled to the power management unit. The electric energy is adapted to be outputted to the electrodes via the power management unit. | 09-01-2011 |
20110199789 | LIGHT SOURCE APPARATUS - A light source apparatus including a light source, an optical fiber, a light guide module, and a light shape adjustment element is provided. The light source emits a light beam. The optical fiber disposed in a transmission path of the light beam has a light incident end and a light emitting end. The light beam enters the optical fiber through the light incident end and leaves the optical fiber through the light emitting end. The light guide module has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The light beam from the light emitting end enters the light guide module through the light incident surface. The light shape adjustment element is connected to the light guide module and capable of changing a light shape of an emitted light from the light guide module. | 08-18-2011 |
20110188006 | ILLUMINATION MODULE AND PROJECTOR - An illumination module includes a light source, a supporting element, a guiding tube and an airflow generator. The supporting element is fixed relative to the light source. The guiding tube is pivoted to the supporting element and adjacent to the light source. The guiding tube is capable of moving between a first position and a second position relative to the light source. The airflow generator has an airflow outlet and is capable of generating an airflow. The airflow outlet is adjacent to the guiding tube. The airflow flows into the light source through the guiding tube. The invention also provides a projector with the illumination module. | 08-04-2011 |
20110176315 | BRIGHTNESS ENHANCEMENT SHEET - A brightness enhancement sheet including a light transmissive substrate, a plurality of strip prisms, and a plurality of protruding structures is provided. The light transmissive substrate has a first surface and a second surface opposite to the first surface. The strip prisms are disposed on the first surface. Each of the strip prisms has two prism surfaces, and a junction of the two prism surfaces forms a crest line, and a valley line is formed between each of the two adjacent strip prisms. Each of the protruding structures has two wing portions. The two wing portions are respectively disposed on two prism surfaces of the corresponding strip prism. A junction of the two wing portions forms a protruding end. The protruding end protrudes from the crest line of the corresponding strip prism. Each of the wing portions extends from the protruding end to the valley line. | 07-21-2011 |
20110157914 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a reflecting unit, two light emitting units, and two light absorbing units. The light guide plate has a first surface, a second surface opposite to the first surface, and two light incident surfaces connecting the first surface and the second surface. The two light incident surfaces are respectively located at two adjacent corners of the light guide plate. The reflecting unit is disposed on the second surface. The two light emitting units are respectively disposed beside the two light incident surfaces. Light beams emitted by the two light emitting units are capable of entering the light guide plate respectively through the two light incident surfaces and being transmitted out of the light guide plate through the first surface. The light absorbing units are disposed between the second surface and the reflecting unit and are respectively adjacent to the two light incident surfaces. | 06-30-2011 |
20110157565 | LIGHT-EMITTING DEVICE AND PROJECTOR - A light-emitting device includes a circuit board, a light-emitting element, a light-condensing element, and a glue. The circuit board has through holes, a first surface, and a second surface. The through hole has a first pathway and a second pathway. The first pathway extends from the first surface into the circuit board. The second pathway extends from the second surface into the circuit board and communicates with the first pathway. An accommodating space of the second pathway is greater than that of the first pathway. The light-emitting element is disposed on and electrically connected to the first surface. The light-condensing element has positioning posts. A portion of the light-condensing element is disposed on the light-emitting element. The positioning post passes through the first pathway and is located inside the second pathway. The glue is disposed in the second pathway for fixing the positioning posts in the through hole. | 06-30-2011 |
20110148818 | OPTICAL TOUCH DISPLAY APPARATUS - An optical touch display apparatus includes the following. A light distribution adjustment device is disposed in a transmission path of a visible beam emitted by a visible light emitting device. A non-visible light guide module includes a light guide unit and a dichroic unit. A light guide unit is disposed in the transmission path of the visible beam from the light distribution adjustment device. The dichroic unit is disposed on a surface of the light guide unit. A non-visible light emitting device is disposed beside a side surface of the light guide unit. A display panel is disposed beside the light distribution adjustment device. A sensing space is located in front of the display panel, and the display panel is disposed between the light distribution adjustment device and the sensing space. An optical detector is disposed outside the display panel. | 06-23-2011 |
20110148816 | OPTICAL TOUCH DISPLAY APPARATUS - An optical touch display apparatus including a backlight module, a display panel, and at least an optical detector is provided. The backlight module is capable of providing a visible beam and an invisible beam. The display panel is disposed at one side of the backlight module. A sensing space is located in front of the display panel, and the display panel is located between the backlight module and the sensing space. The visible beam and the invisible beam are capable of passing through the display panel and then being transmitted to the sensing space. The optical detector is disposed outside the display panel for sensing the invisible beam from the sensing space. | 06-23-2011 |
20110141718 | BRIGHTNESS ENHANCEMENT FILM AND BACKLIGHT MODULE - A brightness enhancement film including a light transmissive substrate, convex lens portions, concave lens portions, and a reflective layer is provided. The light transmissive substrate has a first surface and a second surface opposite to the first surface. The convex lens portions are disposed on the first surface. Each of the convex lens portions has a curved convex surface facing away from the light transmissive substrate. The concave lens portions are disposed on the first surface. The convex lens portions and the concave lens portions are alternately arranged. Each of the concave lens portions has a curved concave surface facing away from the light transmissive substrate. A wavy continuous curve surface is formed by the curved convex surfaces and the curved concave surfaces. The reflective layer is disposed on the second surface and has light passing openings respectively on the optical axes of the convex lens portions. | 06-16-2011 |
20110128504 | ADJUSTMENT DEVICE AND PROJECTOR HAVING THE SAME - An adjustment device for adjusting an angle of a dichroic mirror of a projector with respect to an optical engine base of the projector is disclosed. The dichroic mirror is pivotably mounted to the optical engine base. The adjustment device includes a link and an eccentric screw. The link has a first end and a second end. The first end is adapted to be fixedly mounted to the dichroic mirror. The second end has an opening. The eccentric screw is adapted to extend through the opening to be screwed to the optical engine base. The eccentric screw includes an eccentric section disposed within the opening. The eccentric section pushes the link such that the link drives the dichroic mirror to pivot with respect to the optical engine base upon rotating of the eccentric screw. A projector including the adjustment device is also disclosed. | 06-02-2011 |
20110128256 | LIGHT GUIDE APPARATUS AND OPTICAL TOUCH DISPLAY APPARATUS - A light guide apparatus is adapted to a touch display apparatus. The touch display apparatus has a display area. The light guide apparatus includes a plurality of light guide units and a plurality of light sources. The light guide units are disposed beside a first side of the display area. Each of the light guide units has a light incident surface, and a space is between each two adjacent light guide units. The light sources are disposed beside the light incident surfaces of the light guide units. Each of the light sources is capable of providing a beam. The beam is capable of entering the light guide unit through the light incident surface and is capable of being transmitted to an external environment from the light guide unit. An optical touch display apparatus is also provided. | 06-02-2011 |
20110128255 | LIGHT SOURCE MODULE AND OPTICAL TOUCH APPARATUS - A light source module includes a light source, a light guide unit, an opaque reflective element, a reflective unit, and a patterned light-absorbing element. The light guide unit has first and second surfaces, a light incident surface, and third and fourth surfaces. A beam from the light source enters the light guide unit through the light incident surface and is transmitted to outside through the first surface. The opaque reflective element covers a portion of the first surface adjacent to the light incident surface. The patterned light-absorbing element is disposed on a surface of the reflective unit. A portion of the patterned light-absorbing element is between a portion of the third surface adjacent to the light incident surface and the reflective unit. Another portion of the patterned light-absorbing element is between a portion of the fourth surface adjacent to the light incident surface and the reflective unit. | 06-02-2011 |
20110127840 | POWER SWITCHING DEVICE AND METHOD THEREOF, AND PROJECTION DEVICE USING THE POWER SWITCHING DEVICE - A power switching device, a power switching method, and a projection device using the power switching device are provided. In the power switching method, a first power and a second power are received, and the voltage level of the first power is compared with the voltage level of the second power. One of the first power and the second power having the higher voltage level is sustained by using one of the first power and the second power having the lower voltage level until one of the first power and the second power having the higher voltage level stabilizes. At least one of the first power and the second power having the higher voltage level and being already stabilized is output as an output voltage. | 06-02-2011 |
20110122097 | OPTICAL TOUCH APPARATUS - An optical touch apparatus includes a light source capable of emitting a beam, a light guide unit disposed in a transmission path of the beam, and an optical detector. The light guide unit includes a light guide body having a first surface, a second surface, a third surface, a fourth surface, and a scattering structure disposed on at least one of the second surface, the third surface, and the fourth surface. The beam is capable of entering the light guide body, being scattered to the first surface by the scattering structure, and then being transmitted to a sensing space. The scattering structure includes separated scattering patterns including a resin composition and scattering particles dispersed in the resin composition. The ratio of the weight percentage of the scattering particles to the weight percentage of the resin composition is equal to or greater than 0.1. | 05-26-2011 |
20110122095 | TOUCH DISPLAY APPARATUS AND BACKLIGHT MODULE - A touch display apparatus including a light guide plate, a light emitting module, a display panel, a plurality of prism structures, an image transmission unit, and an image detector is provided. The light guide plate has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The light emitting module includes at least one visible light source and at least one invisible light source. The prism structures are disposed between the first surface and the display panel. The image transmission unit includes a wedge portion and a light guide portion. The wedge portion is disposed between the prism structures and the display panel. The image detector is disposed beside the light guide portion for receiving the invisible light beam from the light guide portion. A backlight module is also provided. | 05-26-2011 |
20110122094 | OPTICAL TOUCH APPARATUS AND OPTICAL TOUCH DISPLAY APPARATUS - An optical touch apparatus includes a light source, light guide unit, and optical detector. The light source next to the display area emits a beam. The light guide unit next to the display area and in the transmission path of the beam includes a light guide body and a Lambertian scattering structure. The light guide body has first, second, third, fourth, and light incident surfaces. The beam enters the light guide body through the light incident surface and is transmitted from the first surface to a sensing space in front of the display area. The Lambertian scattering structure is disposed on at least one of the second, third, and fourth surfaces for scattering the beam to the first surface. The optical detector next to the display area senses a change in light intensity of the beam in the sensing space. An optical touch display apparatus is also provided. | 05-26-2011 |
20110116285 | BACKLIGHT MODULE - A backlight module includes a light guide plate, an optical film set, and at least one light emitting element. The light guide plate has a first light-emitting surface, a bottom surface, and a first light incident surface. The optical film set on the first light-emitting surface includes at least one optical film having a second light incident surface, a second light-emitting surface, and a side surface. The side surface of the optical film and the first light incident surface of the light guide plate are at the same side, and at least one notch is disposed on the side surface. The light emitting element is adjacent to the first light incident surface and capable of emitting a light beam. The light beam is capable of entering the light guide plate through the first light incident surface and being transmitted to the optical film set via the first light-emitting surface. | 05-19-2011 |
20110115993 | LIQUID CRYSTAL GLASSES, PROJECTION DISPLAY SYSTEM AND CONTROL METHOD THEREOF - A projection display system includes a glasses system, a driving unit and a projection apparatus. The driving unit is electrically connected to the glasses system for repeatedly applying or removing a voltage to/from the glasses system. The projection apparatus includes an illumination system and a color wheel. The color wheel is in a transmission path of a light beam provided by the illumination system. The color wheel has a compensation zone and a plurality of color zones. When the color wheel is rotated, the compensation zone and the color zones sequentially pass through the light beam. The compensation zone has first, second and third sub compensation zones. A time for the first sub compensation zone passing through the light beam is substantially equal to a time for the third sub compensation zone passing through the light beam. A liquid crystal glasses and a control method are also provided. | 05-19-2011 |
20110113272 | PROJECTOR AND POWER CONTROL METHOD THEREOF - A projector and a power control method thereof are provided. The projector includes a battery supplying a battery power; an interface receiving and transmitting an external power; a selection unit receiving the battery power and the external power, and selecting and outputting one of the battery power and the external power to be served as the operation voltage of the projector; a lighting element; a driver receiving a driving signal and driving the lighting element accordingly; and a central processing unit (CPU) outputting a control signal with a first state to control the selection unit to select and output the external power when the capacity of the battery is not sufficient and the interface receives the external power, and regulating the intensity of the driving signal outputted from the CPU according to the capacity of the external power so as to make the projector continuously maintain in operation. | 05-12-2011 |
20110109885 | PROJECTOR AND LENS COLLAR MODULE THEREOF - A projector includes a casing, a light source disposed in the casing and capable of providing an illumination beam, a light valve disposed in the casing and capable of converting the illumination beam into an image beam, a lens disposed in the casing and adapted to project the image beam, and the lens collar module. The lens collar module includes a fitting part and a lens collar. The fitting part is formed on the casing, and has a fitting opening and a first bump. The lens collar has a fitting periphery and a second bump. The fitting periphery is fitted to the fitting opening, the lens collar is adapted to be rotated and translated relative to the casing along an axial direction. Engagement of the first bump and the second bump limits rotation and translation of the lens collar relative to the casing along the axial direction. | 05-12-2011 |
20110102745 | STEREO DISPLAY APPARATUS - A stereo display apparatus includes a support member, at least one projector, a screen, first reflectors, and an actuator. The projector is connected to the support member, and includes a battery and an image memory module. The projector is capable of emitting an image beam. The screen is connected to the support member. The first reflectors surround the support member. The actuator is connected to the support member and is capable of driving the support member to rotate. The support member is capable of driving the projector and the screen to rotate. When the projector and the screen rotate, the image beam is projected onto the first reflectors in sequence, and the first reflectors reflect the image beam onto the screen in sequence. | 05-05-2011 |
20110102377 | OPTICAL TOUCH APPARATUS AND DRIVING METHOD - An optical touch apparatus including a first light emitting device, a second light emitting device, a third light emitting device, a fourth light emitting device, a first image detector, a second image detector, and a control unit is provided. The control unit controls the average brightness of the third light emitting device less than each of the average brightness of the second light emitting device and the fourth light emitting device when the control unit controls the first image detector to detect an image. The control unit controls the average brightness of the second light emitting device less than each of the average brightness of the first light emitting device and the third light emitting device when the control unit controls the second image detector to detect an image. A driving method is also provided. | 05-05-2011 |
20110096566 | BACKLIGHT MODULE - A backlight module includes a light guide plate, micro-structures, at least one light source, and a first prism sheet. The light guide plate includes a first surface, a second surface, and a light incident surface connecting the first surface and the second surface. The micro-structures are disposed on at least one of the first surface and the second surface. The light source is disposed beside the light incident surface and capable of emitting a light beam. The first prism sheet includes a first transparent substrate and first prism structures. The first surface is located between the second surface and the first transparent substrate. The first transparent substrate is disposed among the first surface and the first prism structures. Each first prism structure has a first vertex angle protruding away from the first transparent substrate, and the first vertex angle falls within a range of 67 degrees to 83 degrees. | 04-28-2011 |
20110096557 | LIGHT SOURCE MODULE - A light source module is adapted for a projection apparatus. The projection apparatus has a main board. The light source module includes a base, a lighting element, a flexible printed circuit, and a plurality of metal elastic elements. The base has a circuit layer. The lighting element is disposed on the base and electrically connected to the circuit layer. The flexible printed circuit is assembled on the base and electrically connected to the circuit layer. The metal elastic elements are adapted for being fixed to the main board to be contacted with the flexible printed circuit, such that the flexible printed circuit is electrically connected to the main board. The lighting element of the light source module is electrically connected to the main board via the flexible printed circuit and the metal elastic elements, such that a wiring space between the light source module and the main board is reduced. | 04-28-2011 |
20110085146 | PROJECTION SYSTEM, PROJECTION APPARATUS, AND IMAGING MODULE - A projection system including a light valve, a lens, an arc reflector, and an arc screen is provided. The light valve is capable of providing an image beam. The lens is disposed in the transmission path of the image beam. The arc reflector has an arc reflective surface. The arc reflective surface is disposed in the transmission path of the image beam from the lens, so as to reflect the image beam. The arc reflective surface is curved in a first direction and not curved in a second direction substantially perpendicular to the first direction. The arc screen is disposed in the transmission path of the image beam reflected by the arc reflective surface. The arc screen is curved in the first direction and not curved in a third direction substantially perpendicular to the first direction. A projection apparatus and an imaging module are also provided. | 04-14-2011 |
20110080374 | OPTICAL TOUCH APPARATUS, OPTICAL TOUCH DISPLAY APPARATUS, AND LIGHT SOURCE MODULE - An optical touch apparatus includes at least one light source, at least one light guide unit, at least one optical detector, and a light reducing structure. The light source is disposed beside a display area of a display and capable of providing a light beam. The light guide unit is disposed beside the display area and in a transmission path of the light beam. The light guide unit has a first surface, a second surface, and a light incident surface. The light beam is capable of entering the light guide unit through the light incident surface and being transmitted to a sensing space in front of the display area through the first surface. The optical detector is disposed beside the display area. The light reducing structure covers a portion of the first surface adjacent to the light incident surface. | 04-07-2011 |
20110069249 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY APPARATUS - A backlight module includes a lighting unit and a brightness enhancement sheet. The brightness enhancement sheet is disposed beside the lighting unit. The brightness enhancement sheet includes a light-transmissive substrate, a plurality of lenses, a reflective layer, and a diffusion layer. The light-transmissive substrate has a first surface and a second surface opposite to the first surface. The first surface is located between the second surface and the lighting unit. The lenses are disposed on the first surface. The reflective layer is disposed on the second surface. The reflective layer has a plurality of light-transmissive openings respectively located on the optical axes of the lenses. The diffusion layer is disposed on the reflective layer and covers the light-transmissive openings. The reflective layer is disposed between the diffusion layer and the second surface. A liquid crystal display apparatus is also provided. | 03-24-2011 |
20110069248 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes an outer cover, a backlight module, a liquid crystal panel, and a bezel. The backlight module includes a reflection sheet, a light guide plate (LGP), an edge reflector, and a light source. The reflection sheet is disposed on the outer cover and faces the outer cover. There is an interval between the outer cover and the reflection sheet. The LGP is stacked on the reflection sheet and the edge reflector is disposed on the outer cover, wherein a containing space is defined by the outer cover and the edge reflector. The light source is disposed in the containing space. The liquid crystal panel is stacked on the LGP. The bezel is assembled to the outer cover. The outer cover and the bezel enclose the backlight module and the liquid crystal panel and the bezel exposes the liquid crystal panel. | 03-24-2011 |
20110058389 | BRIGHTNESS ENHANCEMENT FILM AND BACKLIGHT MODULE - A brightness enhancement film (BEF) includes a light transmissive substrate, a plurality of optical structures, a reflective layer, and a prism layer. The light transmissive substrate has a first surface and a second surface opposite to the first surface. The optical structures are disposed on the first surface. The reflective layer is disposed on the second surface and has a plurality of light transmissive openings. The prism layer covers the reflective layer and the second surface and includes a plurality of prism structures protruded away from the second surface. A backlight module is also provided. | 03-10-2011 |
20110051103 | LENS-ADJUSTING MODULE - A lens-adjusting module includes a base, a lens device, a second tray, and an adjusting device. The lens device includes a first tray and a lens being fixed to and contacting the first tray. The first and the second trays are movably disposed on and contact the base. The first tray is movably disposed on the second tray and located between the second tray and the base. The adjusting device includes a first lever and a second lever pivoted to the base. A part of the first lever and a part of the second lever are slidingly disposed on the first tray. The first lever rotates to drive the first and the second trays to move relatively to the base along a first axis. The second lever rotates to drive the first tray to move relatively to the second tray and the base along a second axis. | 03-03-2011 |
20110051099 | ADJUSTING MECHANISM, PROJECTOR, ELECTRONIC WHITEBOARD, AND ADJUSTING METHODS OF PROJECTOR AND ELECTRONIC WHITEBOARD - An electronic whiteboard includes a projection unit, an adjusting mechanism, and a projection screen. The adjusting mechanism includes a fixing base, a rotary plate, and a first screw. The fixing base is adapted to be fixed to a fixing object. The rotary plate is pivotally connected to the fixing base, and is ball jointed to the projection unit. The first screw is locked on the rotary plate, and is ball jointed to the projection unit. The first screw drives the projection unit to rotate relatively to the rotary plate along a first axis when the first screw is rotated. The projection screen is adapted to be fixed to the fixing object. The projection unit is capable of projecting an image beam onto the projection screen. | 03-03-2011 |
20110050646 | OPTICAL TOUCH APPARATUS AND OPTICAL TOUCH DISPLAY APPARATUS - An optical touch apparatus is adapted to a display apparatus. The optical touch apparatus includes at least one light source, at least one light guide unit, and at least one optical detector. The light source is disposed beside a display area of the display apparatus and capable of providing a light beam. The light guide unit is disposed beside the display area in a transmission path of the light beam and has a first surface, a second surface opposite to the first surface, and a light incident surface. The light incident surface connects the first and second surfaces. The light beam is capable of entering the light guide unit through the light incident surface and is transmitted to a sensing space in front of the display area. The optical detector is disposed beside the display area to sense an intensity variation of the light beam in the sensing space. | 03-03-2011 |
20110044072 | BACKLIGHT MODULE AND LIGHT GUIDE UNIT - A light guide unit includes a light transmissive base, a plurality of scattering particles, and a plurality of reflective particles. The light transmissive base includes a scattering region and a reflective region. The scattering region has a light emitting surface, a boundary surface, and a light incident surface. The reflective region includes a lamp cover portion and a bottom portion. The lamp cover portion is disposed beside the light incident surface. The bottom portion is disposed at one side of the boundary surface and connected with the scattering region through the boundary surface. The light transmissive base is integrally formed. The scattering particles are doped in the scattering region, and the reflective particles are doped in the reflective region. The number density of the scattering particles in the scattering region is less than that of the reflective particles in the reflective region. A backlight module is also provided. | 02-24-2011 |
20110037923 | LIGHT CONDENSING FILM, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A light condensing film includes a reflective unit, a light-transmissive substrate, a plurality of lenses, and a plurality of refractive units. The reflective unit has a plurality of holes passing through the reflective unit, wherein the holes are distributed at the reflective unit. The light-transmissive substrate is disposed on the reflective unit. The lenses are disposed on the light-transmissive substrate. Moreover, the lenses respectively cover the holes of the reflective unit, and the light-transmissive substrate is disposed between the reflective unit and each of the lenses. The refractive units are disposed on the light-transmissive substrate and distributed among the lenses. The light-transmissive substrate is disposed between the reflective unit and each of the refractive units. Each of the refractive units has a light refraction plane surface. A backlight module and a liquid crystal display are also provided. | 02-17-2011 |
20110019435 | Brightness enhancement film and backlight module - A brightness enhancement film (BEF) includes a substrate, a prism layer, a connection structure layer, and a micro lens layer. The prism layer is disposed on the substrate, the micro lens layer is disposed above the prism layer, and the connection structure layer is disposed between the prism layer and the micro lens layer. The prism layer includes a plurality of prisms. Each of the prisms includes a plurality of prism units. The micro lens layer includes a plurality of micro lens units. The connection structure layer includes a plurality of connection structure units. Each of the connection structure units connects the prism unit and the micro lens unit. A side surface of each of the connection structure units is a curved surface, and the curved surface extends from the micro lens unit to the prism unit. A backlight module including the brightness enhancement film is also provided. | 01-27-2011 |
20100309682 | Brightness enhancement film and backlight module - A brightness enhancement film (BEF) includes a light transmissive substrate having a first surface and a second surface, a plurality of lenses disposed on the first surface, and a reflective layer. Each of the lenses has a curved protruding surface facing away from the light transmissive substrate. The radius of curvature of the curved protruding surface in a first direction parallel to the first surface is R | 12-09-2010 |
20100302800 | Back light module and light guide plate thereof - A light guide plate adapted to a backlight module is provided. The backlight module has a plurality of point light sources providing a light beam of a predetermined wavelength. The light guide plate includes a light emitting surface, a bottom opposite to the light emitting surface, a light incident surface connecting the light emitting surface and the bottom, a plurality of grating structures, and a plurality of diffusion dots. The light incident surface is near the point light sources. The diffusion dots are disposed on the bottom. At least portions of the grating structures are disposed on the light incident surface. Each of the grating structures has a plurality of concave parts and a plurality of protruding parts. Each of the concave parts is disposed between two neighboring protruding parts. A ratio of the predetermined wavelength to a pitch between two neighboring protruding parts is ranged between 1.2 to 1.3. | 12-02-2010 |
20100290252 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate capable of guiding a light beam from a light emitting device and a backlight module using the light guide plate are provided. The light guide plate includes a light-transmissive substrate and optical structures. The light-transmissive substrate has a first surface, an opposite second surface, and an incident surface connecting the first and the second surface. The light beam enters the light-transmissive substrate through the incident surface and is emitted out of the light-transmissive substrate through the first surface. The optical structures are disposed on the second surface. Each optical structure has a first total internal reflection (TIR) surface, a second TIR surface, and a third TIR surface. The second TIR surface connects the first and third TIR surfaces. Part of the light beam from the incident surface is totally internally reflected by any adjacent two of the first, second, and third TIR surfaces in sequence. | 11-18-2010 |
20100283977 | ILLUMINATION SYSTEM AND ILLUMINATION CONTROL METHOD - An illumination system adapted to a projection apparatus is provided, including a light source module, a light color modulating module, and a control unit. The light color modulating module has a plurality of light color modulating units and is disposed in a transmission path of a light beam. The light color modulating module is capable of moving so that the light color modulating units move into the illumination region of the light beam. When the control unit determines that a boundary of any two adjacent light color modulating units has moved into the illumination region of the light beam, the control unit switches the light source module to an off-state. When the boundary of any two adjacent light color modulating units has moved away from the illumination region of the light beam, the control unit switches the light source module to an on-state. An illumination control method is also provided. | 11-11-2010 |
20100279189 | Fuel cell system - A fuel cell system having uniform temperature field, includes at least one fuel cell stack. The fuel cell stack includes a housing, a fuel cell module, and an air guiding device. The housing defines an internal receiving space, and has an air outlet zone and at least two air inlet zones. The fuel cell module is disposed in the receiving space and includes a plurality of membrane electrode assemblies are disposed at intervals along a first sidewall toward a second sidewall on a plane of the receiving space of the housing. Each of the membrane electrode assemblies corresponds to at least one of the air inlet zones. The air guiding device is disposed on of the housing for generating airflows via the air inlet zones into the housing. The airflows flow along cathode surfaces of the membrane electrode assemblies and finally flow out of the housing via the air outlet zone. | 11-04-2010 |
20100277949 | Light guide plate and backlight module - A light guide plate adapted to guide a beam emitted from at least one light emitting device and including a light transmissive substrate and a plurality of optical structures is provided. The light transmissive substrate has a light emitting surface, a bottom surface opposite to the light emitting surface, and a light incident surface connecting the light emitting surface and the bottom surface. The beam from the light emitting device enters the light transmissive substrate through the light incident surface and is emitted out. The optical structures are disposed on the bottom surface and each of the optical structures has a first total internal reflection (TIR) surface and a second TIR surface. A part of the beam from the light incident surface is totally internally reflected by the first TIR surface and the second TIR surface in sequence. A backlight module using the light guide plate is also provided. | 11-04-2010 |
20100255425 | Fabrication method of brightness enhancement film - A fabrication method of a brightness enhancement film (BEF) including the following steps is provided. A light transmissive substrate is provided and has a first surface and a second surface opposite to the first surface. Then, a plurality of first rod-shaped lenses are formed on the first surface. The rod-shaped lenses extend along a first direction and are arranged along a second direction. After that, a plurality of second stripe-shaped prisms are formed on the second surface. The stripe-shaped prisms extend along the second direction and are arranged along the first direction. Next, an electromagnetic wave beam is made to pass through the rod-shaped lenses, the light transmissive substrate and the stripe-shaped prisms in sequence. A first portion of each of the stripe-shaped prisms exposes and leaves a second portion of each of the stripe-shaped prisms unexposed. Then, the second portions of the stripe-shaped prisms are removed. | 10-07-2010 |
20100254159 | BRIGHTNESS ENHANCEMENT FILM AND BACKLIGHT MODULE - A brightness enhancement film (BEF) including a first surface, a second surface, and a side surface is provided. The first surface is a curved surface continuously fluctuant in two dimensions and includes a plurality of axisymmetric convex surfaces and a plurality of non-axisymmetric concave surfaces. Each of the axisymmetric convex surfaces is a curved surface. The axisymmetric convex surfaces and the non-axisymmetric concave surfaces are arranged alternately in the two dimensions and respectively form a plurality of wave crests and a plurality of wave troughs. Each of the non-axisymmetric concave surfaces is a curved surface. The second surface is opposite to the first surface and the side surface connects the first surface and the second surface. In addition, a backlight module employing the BEF is also provided. | 10-07-2010 |
20100244058 | Light emitting diode package - A light emitting diode package includes a substrate, a plurality of light emitting diode chips, a fluorescence layer, and a plurality of reflecting layers. The light emitting diode chips, the fluorescence layer, and the reflecting layers are disposed on the substrate. The fluorescence layer covers the light emitting diode chips, and the reflecting layers are disposed right above the light emitting diode chips, respectively. | 09-30-2010 |
20100231869 | Illuminating system and brightness control apparatus thereof - A brightness control apparatus applied to an illuminating system of a projector includes a plate and a slot portion. The slot portion is formed in the plate for a light beam of the illuminating system passing through. The slot portion has two opposite edges located at two sides of an arc locus. The center of the arc locus is a rotating center of the plate. The distance between the two edges of the slot portion is changed with the arc locus. The arc locus has a start point and an arbitrary point which are relative to the center of the arc locus, so as to form a central angle. The mathematics relationship between the distance of the two edges at the arbitrary point and the central angle is a polynomial function. The degree of the term with the highest degree is equal to or more than six. | 09-16-2010 |
20100211913 | Key control system and method - A key control system disposed in a display apparatus includes a hierarchical menu, a power key, and a key module. The hierarchical menu includes a first layer menu and a second layer menu. The first layer menu has an item corresponding to the second layer menu. The power key is adapted to turn on the power supply of the display apparatus. The key control system is used to execute a key control method includes steps of defining the function of the power key as opening the first layer menu of the hierarchical menu after the power supply is turned on; defining the function of the key module as selecting the item of the first layer menu when the first layer menu is opened; and defining the function of the power key as opening the second layer menu after the item of the first layer menu is selected. | 08-19-2010 |
20100195325 | DYNAMIC MASK AND ILLUMINATION SYSTEM - A dynamic mask adapted to an illumination system is provided. The illumination system includes at least one light source capable of emitting an illumination beam. The dynamic mask includes a board disposed in a transmission path of the illumination beam for adjusting a luminous flux of the illumination beam. The board has at least one strip-shaped opening. The strip-shaped opening has a first end and a second end opposite to the first end. The strip-shaped opening is mirror-symmetric with respect to a symmetrical axis, and the symmetrical axis is a straight line extending from the first end to the second end. A width of the strip-shaped opening increases from the first end to the second end, and the board is capable of moving along a direction parallel to the symmetrical axis. An illumination system using the dynamic mask is also provided. | 08-05-2010 |
20100141899 | Projection apparatus - A projection apparatus includes a housing, a connector, a control module, and an optical module. The housing provides a battery chamber. An interface aperture is inside the battery chamber. The connector is disposed in the housing and provides a signal transmitting interface located in the interface aperture inside the battery chamber. The control module includes an error-detecting circuit and a microprocessor. The error-detecting circuit is electrically connected to the signal transmitting interface and the microprocessor, and the microprocessor is electrically connected to the signal transmitting interface through the error-detecting circuit. The optical module is disposed in the housing and electrically connected to the control module. | 06-10-2010 |
20100123879 | LIGHT SOURCE MODULE - A light source module adapted to be used in a projection apparatus includes a first LED device, a second LED device, and a light switching element. The first LED device emits a first light beam along a first light path during a first time period. The second LED device emits a second light beam along a second light path during a second time period. The light switching element is disposed at an intersection of the first light path and the second light path for permitting one of the first light beam along the first light path and the second light beam along the second light path to be transmitted along a third light path. | 05-20-2010 |
20100110725 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate (LGP) including a first surface, a second surface, a light incident surface and a plurality of optical micro-structures is provided. The first surface is opposite to the second surface. The light incident surface connects the first surface and the second surface. The optical micro-structures are disposed on the second surface and include a plurality of round protrusive points and a plurality of curved protrusions. The curved protrusions are disposed among the round protrusive points. Each of the curved protrusions has a first arc side and a second arc side opposite to the first arc side, and an indentation of the first arc side and an indentation of the second arc side are substantially towards a same direction. In addition, a backlight module employing the above-mentioned LGP is also provided. | 05-06-2010 |
20100103514 | Projection screen - A projection screen is adapted to reflect the projection light generated by a projector. The projection screen includes a light absorbing layer, a light reflection layer connected adjacently to the light absorbing layer, and a light transparent layer. The light transparent layer is disposed on the light absorbing layer and the light reflection layer, and has a total reflection surface, a light emitting surface, and a light incident surface connected adjacently to the total reflection surface. The light incident surface provides a theoretical light convergence point, and the light convergence point and the location of the light reflection layer are in mirror symmetry relative to the total refection surface. The projection light enters into the light transparent layer through the light incident surface for refraction, and travels to the total reflection surface for totally reflection, and then to the light reflection layer for reflecting to the light emitting surface. | 04-29-2010 |
20100103513 | Projection screen - A projection screen includes a reflection layer, a light absorbing structure, a plurality of light diffusion layers, and a lens structure. The light absorbing structure is disposed on the reflection layer and has a plurality of apertures. A part of the reflection layer is exposed via the apertures. The light diffusion layers have a first index of refraction. Each of the light diffusion layer is disposed in the corresponding aperture and contacts the corresponding reflection layer exposed via the corresponding aperture. The lens structure is disposed on the light diffusion layers and the light absorbing structure. A light incidence side of the lens structure includes a plurality of convex lenses. The convex lenses are respectively corresponding with the light diffusion layers. The lens structure has a second index of refraction, and the second index of refraction is smaller than the first index of refraction. | 04-29-2010 |
20100103384 | PROJECTION APPARATUS - A projection apparatus adapted to be disposed on a surface and adapted to project an image frame onto the surface is provided. The projection apparatus includes a housing, an optical engine, a projection lens, a containing sink, an extension rod, and a curved surface reflection device. The optical engine is disposed in the housing, and capable of providing an image beam. The projection lens is disposed in the transmission path of the image beam. The containing sink is disposed on the housing and has a containing space. The extension rod is movably connected to the containing sink. The curved surface reflection device is pivotally connected to the extension rod. The extension rod and the curved surface reflection device are adapted to be contained in the containing space. The curved surface reflection device has a curved reflective surface capable of reflecting the image beam to the surface. | 04-29-2010 |
20100091366 | Screen of projector - A screen of a projector having a substrate and a plurality of asymmetric optical structures is provided. There is a plurality of light absorbing zones and a plurality of reflective zones alternatively disposed on a surface of the substrate facing the projector. The asymmetric optical structures are disposed on the surface of the substrate and correspond to the reflective zones, respectively. The asymmetric optical structure has a first curved surface and a second curved surface, and the first curved surface protrudes toward the projector for converging an incident light from the projector on the reflective zone, and the second curved surface is disposed at a side of the first curved surface away from the projector for refracting a reflective light from the reflective zones toward the normal direction of the surface of the substrate. | 04-15-2010 |
20100091365 | Screen - A screen adapted to a projection device having a transparent layer, a plurality of light-mixing chambers, and a plurality of lens structures is provided. The light-mixing chambers are located on a back surface of the transparent layer away from the projection device. The lens structures are disposed on a front surface of the transparent layer facing towards the projection device and corresponding to the light-mixing chambers respectively. The size of the opening of the light-mixing chamber is smaller than the size of the bottom surface of the corresponding lens structures. The lens structure is adapted to refract a light beam from the projection device, and the opening of the corresponding light-mixing chamber is adapt to allow the light beam pass through, such that the corresponding light-mixing chamber is adapted to concentrate the light beam therein and transform the light beam into a light beam projected out of the screen. | 04-15-2010 |
20100085705 | Keyboard set having a micro projector - A keyboard set includes a keyboard unit, and a micro projector. The keyboard unit has a first housing, a video signal port and a first lock structure. The video signal port and the first lock structure are disposed in the first housing. The micro projector has a second housing, a signal line, and a second lock structure. The signal line is connected to the video signal port of the keyboard unit. The second lock structure is disposed on the second housing, and capable of combining with the first lock structure, for the micro projector to be fixed to the keyboard unit. | 04-08-2010 |
20100073581 | PROJECTION SYSTEM AND EXPANSION MODULE - A projection system and an expansion module adapted to a projector are provided. The projection system includes a projector and an expansion module. The expansion module includes a housing, a logic circuit, and an output port. The logic circuit is disposed in the housing to control an operation of the expansion module. The output port is disposed in the housing and coupled to the logic circuit. The output port is connected to an input port of the projector and outputs a data stream to the input port, such that the projector generates an image and projects the image according to the data stream. | 03-25-2010 |
20100071199 | ASSEMBLING MECHANISM - An assembling mechanism for assembling a lens module of a projector to an optical engine base of the projector includes a supporting stage fixed to the optical engine base, a supporting flange fixed to the lens module, a first fastener fixed to the optical engine base, a second fastener selectively engaged with the first fastener and disposed on the lens module around an axis, a first electrical connector fixed to the optical engine base, and a second electrical connector selectively coupled with the first electrical connector and disposed on the lens module. When the supporting flange contacts against the supporting stage and then the second fastener is engaged with the first fastener, the displacement of the supporting flange along the axis and the rotation of the supporting flange about the axis relative to the supporting stage are limited, and the first electrical connector is coupled with the second electrical connector. | 03-25-2010 |
20100053997 | LIGHT GUIDE UNIT AND BACKLIGHT MODULE - A light guide unit including a light guide plate and a plurality of rod lenses is provided. The light guide plate has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The light guide plate further has a plurality of diffusion net points located at the second surface. The rod lenses are disposed on the first surface. Each of the rod lenses extends along a first direction and has a curved surface curving in a second direction. The rod lenses are arranged along the second direction. Pitches of the adjacent diffusion net points in the first direction are smaller than pitches of the adjacent diffusion net points in the second direction. A backlight module using the light guide unit is also provided. | 03-04-2010 |
20100050579 | Filter housing structure of projector - A filter housing structure adapted to a projector having a first encircled hook-and-loop fastening layer, a housing, a filtering layer, and a second encircled hook-and-loop fastening layer is provided. The first encircled hook-and-loop fastening layer is fixed on the casing of the projector and surrounds the openings arrayed on the casing. The housing has a central portion and a boundary portion. The central portion has a plurality of through holes thereon corresponding to the openings of the casing. The boundary portion surrounds the central portion and is corresponding to the first encircled hook-and-loop fastening layer. The filtering layer is assembled in the central portion and is disposed between the through holes and the openings for shielding the through holes. The second encircled hook-and-loop fastening layer is fixed on the boundary portion for fastening the housing to the first encircled hook-and-loop fastening layer. | 03-04-2010 |
20100046102 | ASSEMBLING MECHANISM - An assembling mechanism adapted to assemble a lens module to an optical engine base of a projector includes a fixed base, a fixed bayonet, a movable bayonet, a fixed member, and a movable member. The fixed base is fixed to the optical engine base and includes a restricting cavity. The fixed bayonet is fixed to the fixed base and extends to an open end of the restricting cavity. The movable bayonet is fixed to the lens module. The fixed member is fixed to the optical engine base. The movable member is slidably connected to the lens module. Displacement and rotation of the movable bayonet about the axis relative to the fixed base are restricted when the movable bayonet is moved into the restricting cavity through the open end and rotated about an axis relatively to the fixed base, and the movable member is slid into engagement with the fixed member. | 02-25-2010 |
20100039627 | PROJECTING APPARATUS - A projecting apparatus includes a casing, a projector and a foldable arm set. The foldable arm set is connected with the projector and selectively in a folded state or an unfolded state. The projector is capable of performing a projecting operation when the foldable arm set is in the unfolded state. A containing space is defined by the foldable arm set and the casing for containing the projector therein when the foldable arm set is in the folded state. | 02-18-2010 |
20100020566 | Light guild plate structure and backlight module using the same - A light guide plate structure including a main body, a low-refraction index layer, and a collimation lens film is provided. The main body has a side incident surface on a sidewall thereof. The low-refraction index layer is bonded to an upper surface of the main body. A refraction index of the low-refraction index layer is smaller than a refraction index of the main body. The low-refraction index layer has a plurality of through holes therein. The through holes are filled with a material, and the refraction index of the material is close to the refraction index of the main body. The collimation lens film is disposed on an upper surface of the low-refraction index layer and has a plurality of lens structures aligned to the through holes respectively for transforming a light beam entering the collimation lens film via the through holes into a parallel light beam projecting upward. | 01-28-2010 |
20100007857 | Illuminating device and projecting apparatus using the same - An illuminating device adapted to a projecting apparatus including a lamp module, a power module, and a fan is provided. The lamp module is separately disposed in the projecting apparatus. The lamp module has a lamp, an igniting module and a plate. The igniting module is capable of generating a high voltage signal to drive the lamp. The plate is disposed between the lamp and the igniting module for shielding radiating heat generated by the lamp. The power module is capable of generating a low voltage signal transmitted to the igniting module through a low voltage power line. The igniting module transforms the low voltage signal into the high voltage signal to drive the lamp. The fan is disposed at a first side of the lamp for cooling the lamp. | 01-14-2010 |
20090316430 | BACKLIGHT MODULE - A backlight module including at least one light emitting element and a brightness enhancement diffuser is provided. The light emitting element is capable of emitting a light beam. The brightness enhancement diffuser is disposed in the transmission path of the light beam and has a first surface and a second surface opposite to the first surface. The light beam passes through the first surface and the second surface. The brightness enhancement diffuser includes a plurality of protrusions and a plurality of recesses. The protrusions are disposed on the first surface, and each of the protrusions has a curved surface. The recesses are disposed on the first surface, and each of the recesses has at least one plane surface. Each of the recesses is surrounded by several of the protrusions. | 12-24-2009 |
20090316117 | Lens adjusting device of projector - A lens adjusting device including a frame, a lens, a base, at least a positioning structure, and a locking device is provided. The lens is fixed on the frame. The base has a through hole with a predetermined shape formed thereon. The positioning structure is disposed on the base for movably positioning the frame on a plane above the base. The locking device including a screw, a nut, and a fixer is capable of fixing the frame to the base. The screw penetrates the frame and extends to below the base through the through hole of the base. The size of the through hole is greater than the size of a corresponding cross-section of the screw. The nut is disposed below the base and assembled to the screw to position the screw on the base. The fixer is disposed on the frame to constrain the rotation of the nut. | 12-24-2009 |
20090289538 | LAMP MODULE - A lamp module suitable for a projector has an insulating base, a lamp, electrode lines, electrode terminals, electrode strips, conductive lines, an electrical connector and conductive terminals. The lamp is mounted on the insulating base. Each of the electrode lines has an end connected to the lamp. The electrode terminals are respectively connected to the other ends of the electrode lines. Each of the electrode strips has a first end and a second end, wherein the electrode terminals and the first ends are fastened on the insulating base, and the electrode terminals respectively contact the first ends. The electrical connector is connected to one ends of the conductive lines. The conductive terminals are respectively connected to another ends of the conductive lines. The conductive terminals and the second ends herein are fastened on the insulating base, and the conductive terminals respectively contact the second ends. | 11-26-2009 |
20090279054 | Projector and maintenance system for ballast thereof - A maintenance system for a ballast is applied to a projector. The projector includes a housing. The maintenance system for the ballast includes an input/output interface and a ballast. The input/output interface is disposed on the housing, and has a first transmitting terminal, a first receiving terminal and an input/output connection port. The first transmitting terminal and the first receiving terminal are electrically connected to the input/output connection port. The input/output connection port is uncovered by the housing. The ballast is disposed inside the housing, and has a second transmitting terminal and a second receiving terminal. The second transmitting terminal is electrically connected to the first receiving terminal of the input/output interface, and the second receiving terminal is electrically connected to the first transmitting terminal of the input/output interface. | 11-12-2009 |
20090276491 | Management method for remote digital signage - A management method for a remote digital signage provides communication between a web server and the digital signage to make the web server collect a system information from the digital signage. The management method includes the steps of: transmitting a heartbeat every period to the web server by the digital signage; receiving the heartbeat to transmit a reply signal to the digital signage by the web server, wherein the reply signal includes a command; receiving the reply signal to execute the command, and to transmit the system information to the web server by the digital signage; and receiving and storing the system information by the web server. | 11-05-2009 |