Patent application number | Description | Published |
20130260640 | POLISHING DEVICE FOR CREATING FLAT SURFACE - A polishing device includes a movable base, a polishing head fixed on the movable base and a flatness detecting unit fixed on the movable base. The polishing head polishes a surface of a workpiece under driving of the movable base to achieve complete flatness. The flatness detecting unit moves along with the polishing head, for detecting the flatness of the surface of the workpiece polished by the polishing head. | 10-03-2013 |
20140063781 | ELECTRONIC INCENSE ASSEMBLY - An electronic incense assembly includes a light source, a collimating lens, a lens array, a number of electronic incense sticks. The light source is configured for emitting a first light beam having a divergent angle. The collimating lens is configured for collimating the first light beam into a parallel second light beam. The lens array has an array of converging lenses, each of which is configured for converging a part of the second light beam passing therethrough into a third laser beam. Each of the electronic incense sticks has an open end arranged to receive one third light beam and a transparent bubble formed at an end opposite to the open end. | 03-06-2014 |
20140104854 | PRISM SHEET INCLUDING LIGHT EMITTING SURFACE WITH V-SHAPED GROOVES - A prism sheet includes a light incident surface and a light emitting surface opposite to the light incident surface. The light emitting surface defines a plurality of V-shaped grooves. A sub-wavelength grating is formed on the light emitting surface. | 04-17-2014 |
20140118993 | ELECTRONIC INCENSE ASSEMBLY AND METHOD FOR MANUFACTURING ELECTRONIC INCENSE ASSEMBLY - An electronic incense assembly includes an incense stick, a light source and an incense head member. The incense stick includes a top surface, a bottom surface opposite to the top surface, and side surface connecting between the top surface and the bottom surface. The side surface is coated with an opaque layer. The light source faces the bottom surface for emitting light to the bottom surface. The incense head member is formed by molding and is adhered on the top surface. | 05-01-2014 |
20140126593 | LASER MACHINING CONTROL SYSTEM THROUGH FEEDBACK - A laser machining control system includes a laser diode, a laser power controller connected to the laser diode, a light transmission-reflection element positioned on a light path of a laser light beam to a workpiece, and an output power meter. The output power meter detects the laser light beam being reflected by the transmission-reflection element element and measures an output power of the laser diode. The output power meter gives a signal to the laser power controller if there is a power loss of the laser light beam, and the laser power controller adjusts the voltage and the current input to the laser diode in compensation. | 05-08-2014 |
20140138516 | LIGHT GUIDE PLATE MOLD - A light guide plate mold includes a base, a first side plate, a second side plate, a third side plate, a fourth side plate, an intermediate baffle defining a sprue, a group of replaceable mold blocks and an optical micro-structure insert. One of the replaceable mold block includes a recess, the optical micro-structure insert is received in the recess. The base, the first side plate, the second side plate, the third side plate, the fourth side plate, the intermediate baffle and the optical micro-structure insert together are enclosed to form a molding cavity to mold a light guide plate. The optical micro-structure insert is used for molding the microstructure of an incident surface of the light guide plate. | 05-22-2014 |
20140140098 | BACKLIGHT MODULE HAVING UNIFORM LIGHT EMISSION - A backlight module includes a light guide plate and only one light source. The light guide plate has a main body and protrusions. The main body has a light emitting surface, a light incident surface, a first side surface, and a second side surface. The protrusions are positioned on the light incident surface, and face the light source. The protrusions diffuse the light rays from the only one light source and guides the light rays into the main body. The light emitting surface has a light emitting area and a marginal area surrounding the light emitting area. The marginal area has a light diffusion area adjacent to the light incident surface and the first side surface. An included angle between the light incident surface and the first side surface is an obtuse angle. An included angle between the light incident surface and the second side surface is an obtuse angle. | 05-22-2014 |
20140145981 | WRITING DEVICE - A writing device includes a writing pen and a light emitting diode display panel. The light emitting diode display panel includes an array having a plurality of pixels arranged in a matrix and a touch panel. Each of the pixels includes first, second and third light sources and a control circuit. The touch panel is electrically connected with the array. The touch panel senses a contact of the writing pen thereon and generates a control signal to the control circuit. The control circuit turns on one of the first, second and third light sources according to the control signal. When the writing pen moves on the touch panel, the first, second or third light sources of the pixels on a moving track of the writing pen are sequentially turned on to illustrate the moving track of the writing pen on the touch panel. | 05-29-2014 |
20140146518 | BACKLIGHT MODULE INCORPORATING LIGHT-DIFFUSION AND LIGHT-CONVERSION PLATE - A backlight module includes an LED, a lens covering the LED and a diffusion and conversion plate placed over the lens. The diffusion and conversion plate has a large amount of light-diffusion particulates and phosphor particulates doped therein. The LED emits blue light towards the diffusion and conversion plate through the lens. The blue light is diffused by the light-diffusion particulates to excite the phosphor particulates to emit yellow light. The yellow light is further diffused by the light-diffusion particulates to uniformly mix with the blue light. | 05-29-2014 |
20140146558 | LIGHT GUIDE STICK AND LIGHT SOURCE ASSEMBLY HAVING LIGHT EMITTING DIODE AND LIGHT GUIDE STICK - A light source assembly includes a light emitting diode and a light guide stick. The light guide stick includes an incident surface, a rear surface opposite to the incident surface, and a side surface connected between the incident surface and the rear surface. The light emitting diode faces the incident surface for emitting light to the incident surface. The light guide stick includes a plane passing through its center axis. The side surface includes a light reflection part and a light emission part. A projection of the light emission part on the plane is substantially a rectangle. Long sides of the rectangle are parallel to the center axis. The light reflection part is coated with a reflection layer. | 05-29-2014 |
20140146567 | OPTICAL ELEMENT AND LED LIGHTING DEVICE HAVING SAME - An optical element including a light guide plate and a cone-shaped reflector is provided. The light guide plate has a first surface, a second surface, a first side surface and a second side surface. The light guide plate defines a through hole in a middle portion thereof, which is surrounded by the second side surface. The cone-shaped reflector is received in the through hole of the light guide plate. The cone-shaped reflector includes an upper surface and a tapered lateral surface. The tapered lateral surface of the cone-shaped reflector is received in the through hole of the light guide plate. An LED lighting device having the optical element is also provided. Light generated by an LED is reflected by the tapered lateral surface of the cone-shaped reflector to enter the light guide via the second side surface. | 05-29-2014 |
20140160767 | OPTICAL LENS AND LIGHTING DEVICE HAVING SAME - An optical lens for adjusting lighting angle of a light emitting diode includes a bottom surface, a light incident surface and a light emitting surface. The light incident surface is formed in a middle portion of the bottom surface. The light incident surface is concaved from the bottom surface and forms a receiving chamber. The light incident surface has an ellipsoidal shape and a major axis of the light incident surface is coincided with an optical axis of the optical lens. The light emitting surface protrudes in a direction away from the bottom surface. The light emitting surface has an ellipsoidal shape and a major axis of the light emitting surface is perpendicular with the optical axis of the optical lens. A lighting device having the optical lens and the light emitting diode is also provided. | 06-12-2014 |
20140160792 | BACKLIGHT MODULE HAVING OPTICAL FIBERS - A backlight module includes a light guide plate, a light source emitting light rays, and an optical fiber group corresponding to the light source. The light source has a light luminance surface. The light guide plate has a light incident surface. The optical fiber group has a number of optical fibers. Each of the optical fibers has a first end and a second end. The first end directly contacts with the light emitting surface. The second end directly contacts with the light incident surface, and thus the light rays from the second end directly enter the light guide plate through the light incident surface. | 06-12-2014 |
20140169023 | BACKLIGHT MODULE HAVING OPTICAL FIBERS - A backlight module includes a light source, a reflector, an optical fiber group, and a light guide unit. The light source emits light rays. The reflector defines a number of through holes. The optical fiber group includes a number of optical fibers corresponding to the through holes. Each of the optical fibers includes a first end and a second end opposite to the first end. The first ends of the optical fibers receive the light rays from the light source. The second ends of the optical fibers are inserted into the corresponding through holes. The light guide unit is positioned close to the second ends, receives the light rays from the second ends, and makes the received light rays distribute uniformly. The reflector reflects a portion of the light rays reflected by the light guide unit to the light guide unit again. | 06-19-2014 |
20140169030 | LIGHT GUIDE PLATE - A light guide plate includes a light incident surface, a light emitting surface, and a number of micro-structures. The micro-structures are arranged on the light emitting surface. The micro-structures are parallel to each other and extends along a direction perpendicular to the light incident surface. The distance between each adjacent micro-structures are the same. The micro-structures in a light mixed area being non-uniformly distributed. | 06-19-2014 |
20140174488 | CLEANING DEVICE WITH MULTILAYER SUPPORT - A cleaning device includes a cleaning tank, a vibrator, and a number of loading plates. The cleaning tank contains cleaning liquid. The vibrator is received in the cleaning tank. The loading plates are received in the cleaning tank, and are stacked one by one in the cleaning tank. Each of the loading plates supports a workpiece in the cleaning tank. | 06-26-2014 |
20140177265 | ELECTRONIC INCENSE CENSER - An electronic incense censer includes an electronic incense which consists of a light guide for guiding light and a sheath coated on a circumferential periphery of the light guide, a light source arranged at a light incident end of the light guide, and a light emitting portion arranged at a light output end of the light guide. A color of light generated by the light source is adjustable by mixing light beams having different colors, wherein intensities of the light beams are adjustable. The light enters the light guide via the light incident end and reaches the light emitting portion via a guidance of the light guide. | 06-26-2014 |
20140354525 | OLED BACKLIGHT MODULE - A backlight module includes a light guiding board and an OLED light bar. The light guiding board includes a light emitting surface, a light reflecting surface opposite to the light emitting surface, and a lateral surface interconnecting the light emitting surface and the light reflecting surface. The OLED light bar is located besides an edge side of the light guiding board, and face towards the lateral surface of the light guiding board. The backlight module has a good light quality. | 12-04-2014 |
20150036322 | BACKLIGHT MODULE - A backlight module includes a plurality of LED light sources each generating a light with a large degree of emission, a plurality of lenses, a diffusing plate and two brightness enhancement films. Each lens has a light inputting face and a light outputting face directly adhered to a light inputting face of the light diffusing plate. The light inputting face of each lens is curved and protrudes toward the LED light source. Each LED light source is corresponding to one of the lenses. Light emitted from the LED light sources enters the light inputting faces of the lenses, and exits from the light outputting faces of the lenses. The light outputted from the light outputting faces of the lenses perpendicularly enters the light inputting face of the diffusing plate, and exits from a light outputting face of the diffusing plate to enter the brightness enhancement films. | 02-05-2015 |
20150062487 | DIRECT TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE HAVING SAME - A direct type backlight module includes an optical film unit and a light emitting unit. The light emitting unit includes a laser sources, transreflective components, reflective components, and phosphors. Each laser source corresponds to a number of the transreflective components and one of the reflective components arranged at an optical path of a laser beam emitted from the laser source in sequence. The transreflective component transmits part of the irradiated laser beam and reflects the other part of the laser beam. The reflective component reflects the irradiated laser beam. The phosphors correspond to the transreflective components and the reflective components one-to-one and emit out white light when irradiated by the laser beam reflected by the transreflective components and the reflective components. The white light transmits through the optical film unit. | 03-05-2015 |
20150062958 | DISPLAY WALL CAPABLE OF DISPLAYING A CONTINUOUS IMAGE AND DISPLAY DEVICE OF SAME - A display device includes a display panel, a frame, and a light guide member. The display panel includes a display surface configured for displaying an image. The frame is located adjacent to edges of the display surface. The light guide member includes a plurality of optical fibers arranged in an array. Each optical fiber includes a light incident end and a light emitting end opposite to the light incident end. The light incident ends of the plurality of optical fibers form a light incident surface only covering the display surface, and the light emitting ends of the plurality of optical fibers form a light emitting surface completely covering the frame. | 03-05-2015 |
20150062964 | LED MODULE WITH LIGHT GUIDING PLATE - An LED module includes an LED, a light guiding plate and a lens. The light guiding plate includes a light incident face confronting the LED, a light diffusion face and a light emerging face. The lens includes an aspheric light incident face and an aspheric light emerging face opposite to the aspheric light incident face. Light emitted from the LED is diffused by the light guiding plate and diverged by the lens to have a wide illumination area. | 03-05-2015 |