Patent application number | Description | Published |
20130163275 | ELECTRONIC INCENSE AND ELECTRONIC BURNING USING SAME - An electronic burner includes a burner base and an electronic incense. The burner base includes a burner body and a light emitting source mounted in the burner body. Then electronic incense includes a light guiding body and an incense head. The light guiding body is detachably mounted with the burner body. The incense head includes a first chamber, a second chamber, first reaction solution, and second solution. The first chamber is connected with the light guiding body away from the burner body. The second chamber is received in the first chamber. The first reaction solution received in the first chamber, and the second solution is received in the second chamber. When the second chamber is cracked, the first reaction solution and the second reaction solution would be mixed together in the first chamber to make a chemistry reaction happen, and at the same time, produce light. | 06-27-2013 |
20130166145 | CAR WITH CONTROLLING SYSTEM - A car includes a steering wheel, a controlling system, and a plurality of buttons. The controlling system includes a controlling module, a plurality of signal detecting modules, and a display screen. The display screen is within easy viewing range of the driver. The plurality of buttons are mounted on the steering wheel. The controlling module controls the plurality of signal detecting modules to present different signals to the display screen. The display screen then displays the signals from the signal detecting modules. The controlling module controls the display of different signals on the display screen responding to the operation of page-forward and previous-page buttons. | 06-27-2013 |
20130171032 | ELECTRONIC INCENSE STICK HAVING HIGH LIGHT USAGE EFFICIENCY - An electronic incense stick includes a transparent tube, a first non-transparent coating, a second non-transparent coating, and a laser diode. The tube includes an opened end and a bulb portion formed at an opposite end. The first non-transparent coating is formed on a major part of an outer surface of the tube adjacent to the bulb portion. The second non-transparent coating is formed on a part of the outer surface that is not covered by the first non-transparent coating. The laser diode is positioned at the opened end and configured for emitting a laser light beam which transmits to the bulb portion along a central axis of the tube. | 07-04-2013 |
20130233462 | ELECTRONIC DEVICE ASSEMBLY SYSTEM AND METHOD - Provided is an assembly system for assembling a double-side adhesive onto an electronic device. The assembly system includes a supporting portion and a pushing portion. The supporting portion includes a supporting surface. The supporting surface defines a cavity for receiving the electronic device. The pushing portion is supported on the supporting surface, and includes a pushing surface opposite to the supporting surface. A projection perpendicularly extends downward from the pushing surface. An elastic member is positioned on the projection. The distance between the supporting surface and the pushing surface equals to an elastic deformation value of the elastic member in a direction substantially perpendicular to the supporting surface. | 09-12-2013 |
20130257823 | PHOTOELECTRIC BLACKBOARD PEN - A photoelectric blackboard pen includes a pen tube, a photoelectric element, a spring, and a spherical lens. The pen tube includes an upper portion and a lower portion away from the upper portion. The lower portion defines a circular through hole. The photoelectric element is positioned on an internal sidewall of the upper portion. The diameter of the spherical lens is slightly larger than that of the through hole. The spherical lens is rotatably positioned in the through hole and partially passes through the through hole. One end of the spring is positioned on the internal sidewall of the upper portion. The diameter of the spherical lens is slightly larger than that of the spring, the other end of the spring sleeves around and resists against the spherical lens. | 10-03-2013 |
20130277784 | SOLAR ENERGY GATHERING DEVICE - A solar energy gathering device includes a number of light converging elements, an optical-electrical converting element, and a number of light guiding elements. The light converging elements receives sunlight. Each of the light converging elements has a focal point. The light guiding elements are corresponding to the light converging elements. Each of the light guiding elements has a first end and a second end opposite to the first end. Each of the first ends is positioned on the focal point of the corresponding light converging element to receive the sunlight from the corresponding light converging element. The second ends output the sunlight. The optical-electrical converting element receives the sunlight from the second ends, and converts solar energy of the sunlight from the second ends to electrical energy. | 10-24-2013 |
20130286185 | REAL TIME MONITORING DEVICE FOR MONITORING PROCESS OF PROCESSING WORKPIECE - A real time monitoring device includes a light source, a screen, a camera module, and a processor. The light source emits incident light beams to a micro structure of a preprocessed workpiece to form a number of pre-compared diffraction light beams. The pre-compared diffraction light beams reach the screen to form a number of pre-compared light spots. The camera module captures the pre-compared light spots to obtain a pre-compared image having a zero order pre-compared dot and a number of non-zero order pre-compared dots. The processor stores a standard distance between a particular non-zero order standard dot and the zero order standard dot, and calculates a pre-compared distance between the zero order pre-compared dot and a particular non-zero order pre-compared dot, and calculates the difference value between the pre-compared distance and the standard distance to determine whether a blade processing the preprocessed workpiece is deviating in real time. | 10-31-2013 |
20130286382 | LIGHT GUIDE PLATE HOLDER AND LIGHT GUIDE PLATE TESTING SYSTEM USING SAME - A light guide plate holder includes a base, a partitioning plate, and two clamping blocks. The base includes a bottom wall and two side walls extending from opposite ends of the bottom wall, the bottom wall and the two side walls cooperatively forming a receiving space. The partitioning plate is positioned on the bottom wall in the receiving space, the partitioning plate partitioning the receiving space into two sub-spaces. The clamping blocks are detachably received in the respective sub-spaces, and each of the clamping blocks is configured for cooperating with the partitioning plate to clamp a light guide plate therebetween. A light guide plate testing system using the light guide plate holder is also provided. The testing system is used for testing microstructures on a light incident surface of a light guide plate. | 10-31-2013 |
20130286629 | OPTICAL SYSTEM FOR LASER FORMING NETTED DOTS - An optical system for laser forming netted dots on a workpiece is provided. The optical system includes a laser light source for emitting a laser light beam having a polarized direction, a polarizing beamsplitter, a first reflecting unit and a second reflecting unit. The polarizing beamsplitter has a splitting axis deviating the polarized direction of the laser light beam 45 degree and is configured for dividing the laser light beam into a transmitting light beam and a reflected light beam with a same energy. The first reflecting unit is configured for reflecting the reflected light beam to a first predetermined position of a workpiece. The second reflecting unit is configured for reflecting the transmitting light beam to a second predetermined position of the workpiece. | 10-31-2013 |
20140116998 | LASER PROCESSING APPARATUS - A laser processing apparatus includes worktable for loading a workpiece, a laser emitter, a user interface, a detecting unit, and a controller. The user interface allows inputting a thickness value of the workpiece. The detecting unit includes a signal emitter, a signal receiver for receiving signals emitted by the signal emitter, and a lifting unit. The workpiece is positioned between the signal emitter and the signal receiver. The controller controls the lifting device to adjust a height of the signal emitter and signal receiver relative to the worktable to be equal to a sum of the input thickness value and a focal length of the laser emitter. The controller controls the driving device to adjust a height of the laser emitter relative to the worktable if the signal receiver receives the signals and stop to adjust the laser emitter if the signal receiver does not receive the signals. | 05-01-2014 |
20140118303 | LIGHT EMITTING DIODE BLACKBOARD - A light emitting diode blackboard includes a lighting pen, a driving device, and a plurality of pixels arranged in a matrix. Each of the pixels includes first, second and third light sources and a light detecting device. The light detecting device detects light from the lighting pen and generates a control signal to the driving device. The driving device turns on at least one of the first, second and third light sources according to the control signal. When the lighting pen is moving on the matrix of the pixels, the driving device sequentially turns on the at least one of the first, second and third light sources of each of the pixels on the track of the lighting pen to show the track of the lighting pen on the light emitting diode blackboard. | 05-01-2014 |
20140118416 | DISPLAY HAVING LOW POWER CONSUMPTION - A backlight module of a display provides a backlight controlled by a switch. A first electrochromic film comprises a plurality of first electrochromic devices which may each be powered on to appear white or transparent, and a first power supply module. A second electrochromic film comprises a plurality of second electrochromic devices which may each be powered to appear black or transparent, and a second power supply module. The first electrochromic film is positioned between the backlight module and the second electrochromic film. A controller applies voltages to the first electrochromic devices and to the second electrochromic devices to control appearances of each individual first electrochromic devices and each individual second electrochromic devices. | 05-01-2014 |
20140127980 | GRINDING DEVICE FOR GRINDING END OF ROD INTO SPHERICAL SURFACE - A grinding device includes a grinding wheel spun by a first driver, a holder, and a second driver providing linear movement to the holder. The grinding wheel defines a groove which has a hemispherical bottom surface. The holder holds a light-transmitting rod with an end inserted into the groove and set substantially parallel to a rotating axis of the grinding wheel. | 05-08-2014 |
20140168948 | BACKLIGHT MODULE WITH DIFFUSION SHEET HAVING A SUB-WAVELENGTH GRATING - A diffusion sheet includes a light incident surface and a light emitting surface opposite to the light incident surface. The light emitting surface includes a sub-wavelength grating to diffuse lights propagated in the diffusion sheet. The sub-wavelength grating is used to avoid a total internal reflection of some of the lights. A backlight module having the diffusion sheet is also provided. | 06-19-2014 |
20140169015 | VEHICLE HEADLAMP SYSTEM - An exemplary vehicle headlamp system includes an ultraviolet light emitting diode for emitting ultraviolet light, a first lens, and a phosphor layer. The first lens is located between the ultraviolet light emitting diode and the phosphor layer. The first lens and the phosphor layer are located at a light outputting path of the ultraviolet light emitting diode to make the ultraviolet light concentrated by the first lens and then radiates to the phosphor layer to act the phosphor layer to obtain a white light. | 06-19-2014 |
20140169028 | ELECTRONIC CENSER - An exemplary electronic censer includes a censer body, working fluid contained in the censer body, an incense branch, a fog generator, and a guiding tube. The incense includes a light guiding tube, a light source mounted on the light guiding tube, and a fog guiding tube surrounding the light guiding tube and spaced from the light guiding tube to define a chamber between the fog guiding tube and the light guiding tube. The fog generator is received in the censer body and converts the working fluid to fog. The guiding tube guides the fog from the censer body to the chamber to exhaust. | 06-19-2014 |
20140169034 | EDGE-TYPE BACKLIGHTING MODULE HAVING LIGHT COUPLERS BETWEEN LIGHT GUIDING PLATE AND LEDS - An edge-type backlighting module includes a light guiding plate, a lighting source, and a light coupler. The light guiding plate has a uniform thickness, and one end thereof acting as a combination end and a light input surface. A light output surface of the light guiding plate is perpendicular to the combination end. The light coupler has a first end and a second end opposite to the first end. The light coupler tapers from the first end to the second end. The lighting source is adhered to the first end. The second end is adhered to the combination end. An entirety of light emitted from the lighting source is transmitted to the light guiding plate via the light coupler. | 06-19-2014 |
20140169035 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCORPORATING THE SAME - A light guide plate includes a light incident face, a light exit face adjacent to the light incident face, a bottom face adjacent to the light incident face and opposite to the light exit face, and a plurality of sidewalls beside the light incident face and interconnecting the bottom face and the light exit face. The light incident face is recessed inwardly from an outer periphery of the light guide plate toward an interior of the light guide plate to define a recessed region of the light guide plate. The light incident face is perpendicular to the light exit face. A backlight module incorporating the light guide plate is also provided. The backlight module includes at least a light emitting diode located in the recessed region of the light guide plate. | 06-19-2014 |
20140170257 | MOLD - A mold includes a bottom portion defining a receiving chamber, a top plate located on a top of the bottom portion, and a mold core received in the receiving chamber. The mold core has a core plate and a removable plate that are fixed to the bottom portion. The removable plate is located under the core plate and supports the core plate. The core plate, the top plate, and sidewalls of the receiving chamber cooperatively define a mold cavity. | 06-19-2014 |
20140174345 | DYEING DEVICE FOR APPLYING DYE TO COLUMNAR OBJECTS - A device for dyeing columnar objects rotates the columnar object as they brush past an endless, absorbent, dye-carrying belt. The colored dye from the belt rubs off onto the columnar object, providing an even and consistent coating of dye. | 06-26-2014 |
20140176460 | WRITING DEVICE HAVING LIGHT EMITTING DIODE DISPLAY PANEL - A writing device includes a writing pen and a light emitting diode display panel. The writing pen emits three different-colored optical signals. The light emitting diode display panel includes a control module and a plurality of pixels. Each pixel includes first, second and third light sources, first, second and third light sensing elements, and a touch element. The first to third light sensing elements are configured to receive the three optical signals and generate first, second and third selective signals, respectively. The touch element generates a control signal when touched by the writing pen. According to the three selective signals and the control signal, the control module selectively turns on the first light source, the second light source, and the third light source. | 06-26-2014 |
20140177270 | BACKLIGHT MODULE - A backlight module includes LEDs; a light guiding plate receiving light emitted from the LEDs; a diffusion sheet arranged above the light guiding plate; and a lens arranged above on the diffusion sheet. The lens comprises a light incident surface facing the diffusion sheet, and the light incident surface has a plurality of prism protrusions formed thereon. Each prism protrusion has a cross section of an inverted triangle with a bottom vertex having an internal angle of 50-57 degrees. | 06-26-2014 |
20140177271 | LED BACKLIGHT MODULE HAVING REDUCED LIGHT LEAKAGE, INCREASED LIGHT EXTRACTION EFFICIENCY AND REDUCED COST - A backlight module includes a light guiding board and a plurality of LED light sources located at a flat lateral side of the light guiding board. The light guiding board comprises a first portion and a second portion, and the first portion is located between the LED light sources and the second portion. The first portion is intimately matched and engaged with the second portion. The refractive index of the first portion is unequal to that of the second portion. A plurality of micro-structures are formed on the surface of the first portion facing towards the second portion. The micro-structure is used for diffusing the light of the LED light sources when the light travels from the first portion to the second portion. The second portion is quite larger than the first portion. | 06-26-2014 |
20140177272 | BACKLIGHT MODULE - A backlight module includes a light guiding board and a number of LED light sources located a lateral side of the light guiding board. The light guiding board includes a top surface and a bottom surface opposite to the top surface. A slot is defined at the lateral side of the light guiding board adjacent to the LED light sources. The slot is depressed away from the LED light sources. The slot extends along a direction where the LED light sources are arranged along. Confronting faces of a plurality of protrusions defining the slot refract the light when the light is emitted from the LED light sources and enters into the light guiding board to change a transmitting direction of the light. The bottom surface of the light guiding board is a light reflecting surface. | 06-26-2014 |
20140177273 | BACKLIGHT MODULE USING LASER EMITTERS AS LIGHT SOURCE - A backlight module includes a laser light source and a light guide plate. The light source locates beside a side surface of the light guide plate. The light guide plate comprises a plurality of transflective films arranged along a direction in alignment the laser light source. When the light from the laser light source emits to the transflective films, a part of the light passes through the transflective films and transmits along a same direction, and another part of the light is reflected by the transflective films and emits into a light diffusion plate. The light beams reflected by the transflective films and into the light diffusion plate have the same intensity. | 06-26-2014 |
20140178055 | INCENSE BURNER - An incense burner includes a burner body, a cover, and at least one light source. The cover is located in the burner body and defines at least one through hole for movably receiving at least one electronic incense stick. The at least one light source is located in the burner body. The at least one light source emits light into the at least one electronic incense stick. | 06-26-2014 |
20140185308 | LIGHT EMITTING DIODE AUTOMOBILE LAMP - An LED automobile lamp includes a light source, a light guiding plate and a lens. The light guiding plate is adjacent to the light source. The lens is spaced from the light source and the light guiding plate. The light guiding plate includes a top surface which includes a horizontal section and an inclined section extending upward from one end of the horizontal section. Light generated by the light source enters the light guiding plate and is regulated to a preset luminance shape with cut-off lines at a top thereof by the horizontal section and the inclined section of the top surface of the light guiding plate. Light from the light guiding plate radiates out via the lens. A prism plate assembly is located between the lens and the light guiding plate for aligning the light from the light guiding plate to the lens. | 07-03-2014 |
20140204573 | LIGHT SOURCE MODULE USING LASERS AS LIGHT SOURCE - A light source module includes a double refraction prism, an optical plate, a first laser source, a second laser source, and a third laser source. A first laser beam emitted from the first laser source and a second laser beam emitted from the second laser source are mixed by the double refraction prism and these are mixed together with a third laser beam emitted from the third laser source by the optical plate. | 07-24-2014 |
20140211461 | LIGHT SOURCE MODULE USING LASERS AS LIGHT SOURCE - A light source module includes a first triangular prism, a second triangular prism, a second laser source, and a third laser source. A first laser beam emitted from the first laser source and a second laser beam emitted from the second laser source are mixed to a first mixed laser beam by the first triangular prism. The third laser beam emitted from the third laser source and the first mixed laser beam emitted from the first triangular prism are mixed with a second mixed laser beam by the second triangular prism. | 07-31-2014 |
20140286050 | BACKLIGHT MODULE - A backlight module comprises a light guide plate, a plurality of light guide portions, and a plurality of light sources. Each light guide portion is wedge-shaped. Each light guide portion comprises a first side surface and a second side surface opposite to the first side surface. The second side surface is in contact with the light guide plate. Along a direction perpendicular to the light guide plate, a thickness of the first side surface is greater than a thickness of the second side surface. A receiving groove is defined on the first side surface. Each light source is received in a corresponding one of the receiving grooves. | 09-25-2014 |
20140293579 | LIGHT EMITTING DEVICE AND BACKLIGHT MODULE - A light emitting device includes a laser light source, a converging lens, and a diverging lens. The laser light source is configured to emit combined red, green, and blue laser beams. The combined red, green, and blue laser beams appear to be collimated white light beams. The converging lens is configured to receive the collimated white light beams. The diverging lens faces the converging lens and is configured to diverge the collimated white light beams exiting from the converging lens. A distance between the diverging lens and the converging lens is larger than the focal length of the converging lens. | 10-02-2014 |
20140306902 | ELECTRICAL WRITING BOARD - An electrical writing board includes a bottom color plate, an electrochromic board, a touch panel, and a driving circuit module. The electrochromic board includes a number of electrochromic units and covers the bottom color plate. The touch panel covers the electrochromic board and outputs a touch signal when the touch panel is touched. The driving circuit module is electrically connected between the electrochromic board and the touch panel, and enables a part of the electrochromic units according to the touch signal to display handwriting. The handwriting displaying on the electrochromic board is the same as a touch route sensed by the touch panel. | 10-16-2014 |
20140307457 | DAY RUNNING LAMP FOR MOTOR VEHICLE AND MOTOR VEHICLE HAVING SAME - A day running lamp includes a laser light source, a light splitting element, a number of light path adjusting elements, a number of scattering elements, and a lampshade. The laser light source is configured for emitting a single laser beam, and the splitting element is configured for splitting the single laser beam into a number of divided beams. Each of the light path adjusting elements is configured for adjusting a light path of corresponding divided beams into parallel beams. The scattering elements are configured for diffusing the parallel divided beams onto the lampshade. | 10-16-2014 |
20140319327 | SOLAR CONCENTRATOR ASSEMBLY - A solar concentrator assembly includes a light splitting element, a light converging element, an optical fiber unit and a photoelectric unit. The light converging element is located between the light splitting element and the optical fiber unit. The optical fiber unit is located between the light converging element and the photoelectric unit. The light splitting element splits sunlight into light of different wavelengths. The light converging element converges the split light onto different focal points. The optical fiber unit transmits the converged light to the photoelectric unit. The photoelectric unit converts the light into electrical energy. | 10-30-2014 |
20140320945 | DISPLAY DEVICE - A display device includes a first bitable display, a second display, and a bitable electrochromic member sandwiched between the first bitable display and the second display. The first bitable display is switchable between a transparent status and a displaying status. The electrochromic member is switchable between a transparent status and a color status under predetermined voltage, with a response time of the second display being less than 30 milliseconds. | 10-30-2014 |
20140321137 | VEHICLE HEADLAMP - A vehicle headlamp includes an LED light source, a light guide plate optically coupled to the LED light source, and a convergent lens positioned therebetween to converge light from the LED light source to an optical fiber bundle which is connected with the light guide plate. The light guide plate includes a light incident face for receiving light exiting from the convergent lens, a light exit face, a bottom face adjacent to the light incident face for reflecting light toward the light exit face thereof, and at least a bent surface extending between the bottom face and the light exit face. The vehicle headlamp creates a specific illumination field with a desired bright/dark cut-off line as the light from the LED light source passes through the convergent lens and the light guide plate in succession to project out of the vehicle headlamp. | 10-30-2014 |
20140321153 | OPTICAL ELEMENT AND BACKLIGHT MODULE INCORPORATING THE SAME - An optical element includes a light guide plate, a reflector received in a mounting hole of the light guide plate, and a supporting rod secured to and extending upwardly from the reflector. The light guide plate defines the mounting hole extending through the light guide plate from a top face to a bottom face thereof. The reflector includes a mounting surface coplanar with the top face of the light guide plate and a tapered reflecting face extending slantwise downwardly and inwardly from the mounting surface thereof. A backlight module incorporating the optical element is also provided. The backlight module has an LED located in the mounting hole and faces the reflecting face, and a diffuser plate secured to a top end of the supporting rod. | 10-30-2014 |
20140321158 | LIGHT SOURCE MODULE - A light source module with a wide angle of illumination into a light guide plate includes a light source unit and a light guide plate. The light source unit includes a laser light source, a light converging member, and a reflective member. The laser light source emits a synthesized white laser beams. The light converging member converges the synthesized white laser beams onto the reflective member. The reflective member faces a light incident surface of the the light guide plate and spreads the reflected light out in a wider angle towards the light incident surface. Light is emitted from all parts of the light guide plate out through the light output surface. | 10-30-2014 |
20140343904 | METHOD FOR DESIGNING LENS - A method for designing a lens is disclosed. A curve of a light incident face of the lens is defined by a formula of Y | 11-20-2014 |
20140362881 | LASER BEAM COMBINING DEVICE - A laser beam combining device includes three lasers, a polarizer, and a mode converter. The second laser device, the mode converter, and the third laser device are located on a first straight line in that order. The polarizer intersects with the first straight line at an imaginary joint point. An included angle between the first straight line and the polarizer is about 45 degrees. The polarizer and the mode converter are positioned between the second laser device and the third laser device. The polarizer is adjacent to the second laser device. The mode converter is adjacent to the third laser device. The first laser device faces the polarizer and is located on a second straight line perpendicular to the first straight line and passing through the joint point. The three laser devices emit TE mode red, green and blue laser beams, respectively. | 12-11-2014 |
20140376074 | AUTOSTEREOSCOPIC DISPLAY DEVICE BASED ON PARALLAX BARRIER - An autostereoscopic display device includes a display, a parallax barrier, a driver and a controller. The parallax barrier is placed in front of the display and includes a matrix of barrier blocks. The driver is electrically connected to the parallax barrier. The controller is in communication with the driver and controls the driver such that the barrier block in the i-th line and j-th column is switched on to a transparent state and the other barrier blocks are switched off to a nontransparent state, where i and j satisfy the following condition formulae: j=i+nk, i≦N, and j≦M, i and j are positive integers, n is an integer, k is a positive integer constant, N is the number of the lines of the barrier blocks, and M is the number of the columns of the barrier blocks. | 12-25-2014 |
20140376076 | VEHICLE LAMP WITH ELECTROCHROMIC ELEMENT - A vehicle lamp includes a reflector, a light source mounted in the reflector, a cover fixed to the reflector and an electrochromic element embedded into the cover. The light source emits light towards the reflector. The electrochromic element is located at a lower portion of the cover. The electrochromic element turns black when receiving an electricity, and turns transparent when receiving no electricity. | 12-25-2014 |
20150016147 | LED TUBE WITH LIGHT REFLECTIVE FACE - An LED tube includes a light guide, an LED and a reflector. The light guide includes a light incident face at an end thereof and a light emerging face adjacent to the light incident face. The reflector is mounted on an opposite end of the light guide. The reflector forms a light reflective face facing the light guide to reflect light backward into the light guide. | 01-15-2015 |
20150022776 | PHOTOCHROMIC SPECTACLES - Photochromic spectacles which use solar energy as the power source include a frame, two lenses arranged in the frame, and a driving circuit. Each lens includes a substrate, an electrochromic film and a solar cell film. The solar cell is a transparent and outer film and absorbs infrared light and ultraviolet light from the sun, to convert the infrared and ultraviolet light to electrical power. The driving circuit is arranged on the frame and electrically connected with the electrochromic film and the solar cell, the driving circuit can be switched to apply or not to apply electrical power generated by the solar cell film to the electrochromic film to darken the spectacles. | 01-22-2015 |
20150023050 | BACKLIGHT MODULE - A backlight module includes a light source unit, an optical fiber, a diverging lens and a light guide unit. The light source unit includes a first light source emitting red light, a second light source emitting green light and a third light source emitting blue light. The optical fiber includes a first, second, and third incident branches and a light output portion. The three incident branches converge into the light output portion and are aligned with the three light sources to guide and mix red, blue, and green light to form white light. The diverging lens is aligned with the light output portion to receive and diverge the white light. The light guide unit faces the diverging lens to receive the white light. | 01-22-2015 |
20150029409 | VEHICLE LAMP WITH LIQUID CRYSTAL LAYER - A vehicle lamp includes a laser diode, a reflector, a diffraction element, a liquid crystal layer, a phosphor layer and a lens. The liquid crystal layer includes a first polarized sheet, a second polarized sheet and a plurality of pixels sandwiched between the first polarized sheet and the second polarized sheet. The pixels are selectively powered to obtain different light transmittable areas of the liquid crystal layer. Laser emitted from the laser diode is reflected by the reflector and diffracted by the diffraction element to form a rectangular pattern. The diffracted light partially passes through the liquid crystal layer to form a low beam when the light transmittable area is small, and the diffracted light totally passes through the liquid crystal layer to form a high beam when the light transmittable area is large. | 01-29-2015 |
20150029700 | BACKLIGHT MODULE AND DISPLAY DEVICE - A backlight module and a display device having the backlight module are disclosed. The backlight module includes tricolor light sources, a light combining unit, a linear reflection unit, and a two-dimension reflection unit. The light combining unit is configured to combine tricolor beams to a white light beam. The linear reflection unit includes a plurality of first micro electro mechanical systems (MEMS) reflectors arranged in a line, and is configured to periodically reflect white light beams. The two-dimension reflection unit includes a plurality of second MEMS reflectors arranged in rows and columns, and the second MEMS reflectors in each row faces and interacts with a first MEMS reflector. The second MEMS reflectors are configured to periodically reflect light beams emitted from the linear reflection unit, to form a surface light source. | 01-29-2015 |
20150029742 | LIGHT GUIDE TUBE AND LIGHT EMITTING DIODE TUBE LAMP INCORPORATING THE SAME - A light guide tube includes an inner wall, an outer wall surrounding and spaced from the inner wall and an optical waveguide layer located between the inner wall and the outer wall. The inner wall and/or the outer wall of the light guide tube define/defines a plurality of light extraction dots therein for extracting light generated by LEDs located at two opposite ends of the light guide tube and emitted into the optical waveguide layer out of the light guide tube from a circumferential periphery thereof. A light emitting diode tube lamp incorporating the light guide tube is also provided. | 01-29-2015 |
20150036373 | LED VEHICLE HEADLAMP WITH ELECTROCHROMIC DEVICE - An LED vehicle headlamp includes an LED light source, at least one electrochromic device optically coupled to the LED light source, and a collimator positioned between the LED light source and the electrochromic device. The electrochromic device has an alterable light transmission characteristics in response to voltage/current level applied thereto. The collimator is configured for collimating and converging light emitted from the LED light source and directing light into the electrochromic device. When a forward bias voltage/current is applied to the electrochromic device, the visible light transmission of the electrochromic device decreases accordingly to generate a first light intensity distribution pattern, which is a low beam. When a backward bias voltage/current is applied to the electrochromic device, the visible light transmission of the electrochromic increases accordingly to generate a second light intensity distribution pattern (high beam) different from the first light intensity distribution pattern. | 02-05-2015 |
20150037454 | MOLD ASSEMBLY FOR FOMRING OPTICAL LENS FOR LED - A mold assembly for manufacturing an optical lens for LED, includes an upper die, an upper die core received in the upper die, a bottom die and a bottom die core received in the bottom die. The upper die core includes a bottom surface; the bottom surface has a profile corresponding to a profile of a top portion of the optical lens. The bottom die includes a base and a replaceable die core removably received in the base. The replaceable die core includes an upper surface, and the replaceable die core defines a chamber depressed downwardly at a center of the upper surface. A bottom portion of the optical lens is formed by in the chamber. The replaceable die core defines a plurality of fixing holes recessed downwardly from the chamber for forming positioning feet of the optical lens. | 02-05-2015 |
20150041838 | LENS AND LED UNIT USING THE SAME - A lens includes a bottom face, a light incident face defined in the bottom face, two opposite first lateral faces, two opposite second lateral faces and a light emerging face. The two first lateral faces are located adjacent to the light incident face, and the two second lateral faces are located away from the light incident face. The light emerging face includes two convex faces and a concave face interconnecting the two convex faces. The light emerging face has a light diverging capability along a first direction larger than that along a second direction perpendicular to the first direction. | 02-12-2015 |
20150043197 | PLANAR LIGHTING DEVICE USING LIGHT EMITTING DIODES - A planar LED lighting device includes a reflective sheet comprising a reflective surface and a plurality of LEDs arranged on the reflective surface. Each LED comprises a light emitting surface. A plurality of first optical elements cover the LEDs. A plurality second optical elements face the first optical elements. Each second optical element has a total reflective surface facing a corresponding first optical element. A light diffusing sheet is located above the second optical elements. Light beams emitted from the LEDs are collimated by the first optical elements, then divergently reflected by the total reflective surfaces of the second optical elements to reach the reflective sheet, thereafter scattered and reflected by the reflective sheet and then travel to the light diffusing sheet to be diffused thereby. Finally, the diffused light beams leave the light diffusing sheet to an outside. | 02-12-2015 |
20150043218 | LENS AND LIGHT SOURCE MODULE WITH SAME - The present disclose relates to a lens. The lens includes a bottom surface; a light input surface depressed from a center of the bottom surface; a light output surface opposite to the light input surface, the light output surface comprising a concave surface located at a center thereof and a convex surface surrounding the concave surface; and total reflective side surfaces. The side surface includes a first and a second side surfaces gradually slanting outwardly along a direction from the bottom surface to the light output surface, and a third side surface and a fourth side surface being perpendicular to the bottom surface. The present disclose also relates to a light source module with the lens. | 02-12-2015 |
20150048063 | LASER MACHINING APPARATUS - A laser machining apparatus for manufacturing a light guide plate includes a laser source, a first prism, a detector, and a processor. The laser source is configured to emit a laser beam. The first prism includes a first optical surface, a first reflective surface and a second reflective surface. A sub wavelength grating is arranged and fixed on the second reflective surface. A portion of the laser beam is diffracted by the grating forming a diffraction beam. The detector captures and detects a real-time energy value of the diffraction beam. The processor receives the detected energy value, compares it with a preset energy value, calculates a to-be-increased value of the laser beam, and sends an instruction about the calculated value to the laser source. | 02-19-2015 |
20150049313 | LIGHT SOURCE DEVICE FOR USE IN SELECTABLE ONE OF BACKLIGHT MOUDLE AND PROJECTOR - A light source device includes a laser diode module, a light guide plate selectively optically coupled to the laser diode module, a light projector selectively optically coupled to the laser diode module, and a light path switch module located between the laser diode module and the light guide plate and rotatably switched between a first position and a second position to change a light path of a laser beam emitted from the diode module to a first direction and a second direction different from the first direction. Along the first direction, the laser beam is guided to move toward the light guide plate. Along the second direction, the laser beam is guided to move toward the light projector. The light guide plate has a light incident face which is an arced face recessed from a corner of the light guide plate. | 02-19-2015 |
20150062488 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE USING SAME - A backlight module includes a number of laser units, a number of diffraction units, and a number of diverging units. Each laser unit includes three colored lasers arranged in a first straight line. The three lasers respectively emit red, green, and blue light. Each of the diffraction units includes three diffraction elements. The three diffraction elements are configured to diffract the light along the first straight line. Each of the diverging units is substantially an elongated semi-cylinder, and the longitudinal direction is along the first straight line. The diverging units diffract the three colors of light along a direction which is perpendicular to the direction of the first straight line. | 03-05-2015 |
20150062945 | VEHICLE LIGHTING DEVICE - A vehicle lighting device includes a housing, a first receiving cavity recessed inwardly from a center of a front side of the housing, a first light source received in the first receiving cavity, an annular second receiving cavity recessed in the front side of the housing and surrounding the first receiving cavity, a second light source received in the second receiving cavity, a first envelope fixed in the front side of the housing and covering the first receiving cavity, and an annular second envelope fixed in the front side of the housing and covering the second receiving cavity. An inner face of the second receiving cavity is a bending face including a plurality of reflecting facets for reflecting light emitted from the second light source. Every two adjacent reflecting facets intersect with an angle. The second light source faces at least one reflecting facet distant from the second envelope. | 03-05-2015 |
20150086728 | MACHINING SYSTEM AND METHOD FOR MACHINING MICROSTRUCTURE ON LIGHT GUIDE PLATE - A light guide plate includes a first transparent base layer, an adhesive layer and a transparent composite layer. The adhesive layer is configured for bonding the transparent composite layer on the first transparent base layer. The transparent composite layer is located on the adhesive layer, and the transparent composite layer comprising a light emitting surface, the light emitting surface includes a plurality of microstructures. | 03-26-2015 |