Patent application number | Description | Published |
20100254013 | FRESNEL LENS WITH CAVITIES - An exemplary Fresnel lens includes a flat emitting surface and a plurality of annular Fresnel lens elements at an opposite side thereof to the emitting surface. Each of the Fresnel lens elements has a non-lens surface perpendicular to the emitting surface and a Fresnel lens surface adjoining the non-lens surface with an acute angle. Each of the Fresnel lens elements has a plurality of spaced cavities defined in the non-lens surface. | 10-07-2010 |
20100289176 | METHOD FOR MAKING MOLD - A method for making a mold, the method includes steps of: providing a substrate and a retaining member, the retaining member being made of polytetrafluoroethylene, and being ring-shaped; engaging the substrate with the retaining member; disposing viscous liquid polydimethyl siloxane containing material on the substrate within the retaining member; rotating the retaining member and the substrate to cause the polydimethyl siloxane containing material to spread out on the substrate and form a polydimethyl siloxane containing layer; press-molding the polydimethyl siloxane containing layer using a stamper to form one or more molding portions on the polydimethyl siloxane containing layer; solidifying the polydimethyl siloxane containing layer with the one or more molding portions; separating the stamper from the polydimethyl siloxane containing layer; and separating the substrate from the retaining member to obtain a mold. | 11-18-2010 |
20100301499 | MOLD AND METHOD FOR MANUFACTURING FRESNEL LENS - A mold for manufacturing Fresnel lenses includes a carrying holder, and a mold core including a bottom side surface adjacent to the carrying holder and a top side with a molding structure, wherein the mold core further comprises a number of through holes connected between the molding structure and the bottom side surface, and the carrying holder further comprises a number of pumping holes connected with the through holes. | 12-02-2010 |
20100301517 | MOLDING STAMPER AND METHOD FOR FABRICATING SAME - An exemplary method for fabricating a molding stamper includes the following steps. Firstly, a master mold having microstructures spaced apart from each other is provided. Secondly, a patterned layer is formed on the microstructures, the patterned layer having molding surfaces apart from each other, and being made of a flexible organic material. Thirdly, the master mold is removed from the patterned layer. Finally, a hard coating layer is deposited on the molding surfaces to form a molding stamper. | 12-02-2010 |
20100302801 | LIGHT GUIDE PLATE AND BACKLIGHT SOURCE HAVING SAME - An exemplary light guide plate includes an light incident surface, an light emitting surface, a number of parallel V-shaped structures, and a Fresnel lens portion. The light incident surface is configured for receiving light beams. The light emitting surface is adjacent to the light incident surface, and configured for emission of the light beams. The V-shaped grooves are defined in the light incident surface and arranged perpendicular to the light emitting surface. The Fresnel lens portion is provided on the light incident surface between each two neighboring V-shaped grooves. | 12-02-2010 |
20110017294 | PACKAGE FOR SOLAR CELL CHIP - A solar cell package comprises a ceramic substrate, a light-electricity transformation unit provided on the substrate for transforming solar energy into electricity, and a sealing component covering the light-electricity transformation unit and the ceramic substrate. A Fresnel lens is disposed corresponding to the top of the light-electricity transformation unit, converges and concentrates solar energy onto the light-electricity transformation unit. | 01-27-2011 |
20110017295 | PACKAGE FOR SOLAR CELL CHIP - A solar cell package comprises a substrate, a light-electricity transformation unit provided on the substrate for transforming solar energy into electricity, a package component covering the light-electricity transformation unit and the substrate, and a carbon nanotube film. The carbon nanotube film is provided on a surface of the light-electricity transformation unit to increase heat dissipation. A Fresnel lens is disposed corresponding to the top of the light-electricity transformation unit, and converges and concentrates solar energy on the light-electricity transformation unit. | 01-27-2011 |
20110132430 | SOLAR ENERGY CONVERSION DEVICE AND MODULE - An exemplary solar energy conversion device includes a substrate, a solar energy conversion chip, and a carbon nanotube layer. The substrate defines a through hole. The solar energy conversion chip is positioned on the substrate and covers the through hole. The solar energy conversion chip includes a light incident surface facing away from the substrate and a heat dissipating surface at an opposite side thereof to the light incident surface. The carbon nanotube layer is formed on the heat dissipating surface. | 06-09-2011 |
20110156291 | METHOD FOR MANUFACTURING FRESNEL LENS - A method for manufacturing a Fresnel lens includes the flowing steps: a. providing a mixture for forming the Fresnel lens; b. providing a lower mold on which the mixture is disposed; c. vacuumizing the mixture on the lower mold; d. providing an upper mold to exert a pressure on a top surface of the mixture; e. vacuumizing the mixture on the lower mold again; and f. heating the mixture on the lower mold to harden the mixture whereby the Fresnel lens can be obtained. | 06-30-2011 |
20110176184 | IMAGE SCANNER - An image scanner includes a light-pervious supporting plate, an enclosure, an image sensor, several light sources, and two or four light guide plates. The supporting plate supports an original to be scanned. The enclosure and the supporting plate cooperatively define a receiving space. The image sensor is received in the receiving space, and has a receiving surface. The two, four, or six light sources emit light. The light guide plates each include a light incident surface and an output surface. The light incident surface is configured for receiving light from the respective light sources. The output surface is configured for emission of surface light to scan the original on the supporting plate. In this manner, the surface light is reflected by the original to the receiving surface of the image sensor, thus an image of the original is captured. | 07-21-2011 |
20110220722 | RFID TAG ANTENNA AND METHOD FOR MAKING SAME - An exemplary radio frequency identification tag antenna includes a substrate and a patterned carbon nanotube layer. The patterned carbon nanotube layer is formed on the substrate. The carbon nanotube layer consists of a number of carbon nanotube segments. The carbon nanotube segments are connected end-to-end and well aligned. Each carbon nanotube segment includes a number of carbon nanotubes substantially parallel to each other. | 09-15-2011 |
20110303144 | APPARATUS FOR MANUFACTURING LIGHT GUIDE FILM - An exemplary apparatus for manufacturing a light guide film having patterns simultaneously formed on two opposite surfaces thereof, includes a first conveyor roller, a second conveyor roller, a imprinting group roller, two coating devices, two solidifying devices, a first template and a second template. The imprinting group rollers are positioned between the first and second conveyor rollers, including a first imprinting roller and a second imprinting roller opposite to the first imprinting roller. The two coating devices are positioned between the first conveyor roller and the imprinting group roller. The two solidifying devices are positioned between the imprinting group rollers and the second conveyor roller. The first template has a first imprinting pattern, and is fixed on a circumferential surface of the first imprinting roller. The second template has a second imprinting pattern, and is fixed on a circumferential surface of the second imprinting roller. | 12-15-2011 |
20110309387 | LIGHT EMITTING DIODE AND LIGHT MODULE HAVING SAME - An LED includes an LED chip, a first package configured for packaging the LED chip, the first package including a flat first surface, and a second package including a second surface opposing the first surface. A micro-structure is defined in the second surface and protruding toward the first surface. A gap is maintained between the first and second surfaces. The gap is filled with a filler, and the refractive index of the filler is smaller than that of the first and second packages. Light generated by the LED chip radiates first through the first package, then the gap and the micro-structure, thereafter the second package to finally reach an outside of the LED. A light module including the LED is also provided. | 12-22-2011 |
20120019935 | LIGHT RAY CONCENTRATION DEVICE - A light ray concentration device includes a concentrating lens and a base for holding the concentrating lens. The concentrating lens includes a planar surface defining a number of first Fresnel zones and a convex surface facing away from the planar surface and defining a number of second Fresnel zones. The first and second Fresnel zones are coaxial with each other. | 01-26-2012 |
20120024829 | LASER MACHINING DEVICE - A laser machining device for forming dots on a substrate includes a light-combining assembly having a first reflection surface and a second reflection surface, a first laser source module, and a second laser source module. The first laser source module emits a first laser beam to the first reflection surface along a first light path. The second laser source module emits a second laser beam to the second reflection surface along a second light path. The light-combining assembly combines the reflected first and second laser beams into a third laser beam to focus on the substrate. The light-combining assembly is moveable between the first laser source module and the second laser source module. The second laser source module is fixed relative to the first laser source module, such that a sum of the length of the first light path and the length of the second light path is maintained constant. | 02-02-2012 |
20120069252 | PROJECTOR SYSTEM - A projector system includes a light source module, a light guiding plate, a polarizing beam splitter (PBS) module and a projection lens module. The light source unit includes a red-color light source, a green-color light source and a blue-color light source respectively for emitting red, green and blue light. The light guiding plate optically combines light emitted from the red-color light source, the green-color light source and the blue-color light source. The PBS module is positioned opposite to the light output surface of the light guiding plate and is configured for splitting the combined light into s-polarization light and p-polarization light, reflecting the s-polarization light and converting the reflected s-polarization light into p-polarization light, modulating and outputting the converted p-polarization light using a display information signal. The projection lens module projects light with information onto a screen. | 03-22-2012 |
20120069253 | PROJECTION SYSTEM - A projector includes a light source module, a light guide plate, a polarizing splitter (PBS) module, and a reflection device. The light source module is configured for emitting light. The light guide plate includes a light incident surface, a light output surface, and a light reflection surface. The light source is aligned with the light incident surface. The PBS module includes a polarizing splitter and a LCOS panel. The polarizing splitter is aligned with the light output surface and includes a first mounting surface and a second mounting surface. The polarizing splitter reflects s-polarization light and allows p-polarization light to pass therethrough. The LCOS panel on the second mounting surface modulates the s-polarization light into light with display information signal and reflects the light with display information signal to a projection lens. The reflection device on the first mounting surface reflects the p-polarization light into the projection lens for projection. | 03-22-2012 |
20120170006 | COLOR WHEEL MODULE FOR PROJECTOR - A color wheel module includes a color disc having a plurality color filter segments, a liquid crystal ring, and a controller. Each border is defined between each two adjacent color filter segments, the borders comprising a reference border. The liquid crystal ring is positioned on the color disc to cover the color filter segments. The controller is connected to the liquid crystal ring. The controller includes a synchronizing module and a shading module. The synchronizing module obtains an central angle of the color disc between a light path perpendicularly radiating on the color disc and the border on the reference border. The shading module obtains the central angle. When the central angle is less than a preset angle, the shading module controls the liquid crystal ring to block light from passing through. Otherwise, the liquid crystal ring is controlled to allow light to pass through the color filter segments. | 07-05-2012 |
20120188515 | PROJECTOR HAVING LASER LIGHT SOURCE - A projector includes at least one laser light source and at least one optical component. Each laser light source is configured to emit light beams. Each optical component includes a magnifying element, a homogenizing element, and a Fresnel lens. The magnifying element is positioned adjacent to a corresponding one of the at least one laser light source and configured to magnify the light beams from the corresponding laser light source. The homogenizing element is configured to homogenize the light beams from the magnifying element. The Fresnel lens is configured to condense the light beams from the homogenizing element. | 07-26-2012 |
20120188629 | PROJECTION DEVICE - A projection device includes a light source, three digital micromirror devices (DMDs), a projection lens module, and three converging lenses. The light source emits light towards the three DMDs. Each DMD includes a plurality of reflective mirrors. The projection lens module projects light to a screen. Each reflective mirror selectively reflects light to the projection lens module. Each converging lens is positioned between the projection lens module and a respective DMD. | 07-26-2012 |
20120188785 | LIGHT GUIDE BODY AND LIGHT SOURCE ASSEMBLY USING SAME - A light guide body has a light guide block having a light incident side and an opposite light emitting side, the light guide block includes an inwardly curved surface, two toothed surfaces at opposite sides of the inwardly curved surface, and a light emitting surface located at the light emitting side. The toothed surfaces each has a number of teeth, with widths of bottom sides of the teeth descending in a geometric sequence with a common ratio greater than 0 and less than 1 in a direction away from the inwardly curved surface. The inwardly curved surface and the toothed surfaces are located at the light incident side. A light source assembly using the light guide body is also provided. | 07-26-2012 |
20130003023 | DIGITAL LIGHTING PROCESS PROJECTION DEVICE - A digital lighting process (DLP) projection device is provided. The DLP projection device includes a laser, a digital micromirror device (DMD), a projection lens, and a lens array. The laser emits laser light. The DMD receives the laser light emitted from the laser. The DMD includes a plurality of micromirrors arranged in an array, each of which reflects the laser light. The projection lens receives the laser light reflected from the micromirror, and projects the received laser light. The lens array is arranged between the laser and the DMD, and makes the laser light emitted from the laser uniform. | 01-03-2013 |
20130104979 | SOLAR DEVICE USING OPTICAL FIBER | 05-02-2013 |
20130141935 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A backlight module includes a light guide plate, a light emergent portion, a Fresnel lens portion, and a number of light sources. The light incident portion includes an incident surface for receiving light rays, an emergent surface opposite to the incident surface having an area less than that of the incident surface; and a sloped surface connecting the emergent surface and positioned between the incident surface and the emergent surface. The light emergent portion extends from the light incident portion. The Fresnel lens portion is positioned on the sloped surface for directing the light rays projecting on the sloped surface to the light emergent portion. The light source arranged in front of the incident surface for emitting the light rays to the incident surface. | 06-06-2013 |
20130147422 | DUAL MODE CHARGING DEVICE - A charging device for charging an electronic device includes a plug module and an interface module. The plug module includes a plug portion, two connecting portions formed on a side of the plug portion, two first electrical wires positioned in the connecting portions, two condenser lenses, two first optical fibers, two first transmitting lenses. The first optical fibers connect the first transmitting lenses to the condenser lens. The interface module includes a main body, two positioning portions formed on a side of the main body, two second electrical wires extending the positioning portions; two second optical fibers, two second transmitting lenses, and a photoelectric conversion chip. The second optical fibers connect the second transmitting lenses to the photoelectric conversion chip. The first transmitting lenses are aligned with the second transmitting lenses. | 06-13-2013 |
20130163929 | OPTICAL FIBER COUPLING DEVICE - An optical fiber coupling device includes a first optical fiber connector having a light source; and a second optical fiber connector matched with the first optical fiber connector by pull and plug. The second optical fiber connector includes a light sensor. The light sensor records a predetermined light level as a reference when the second optical fiber connector is at a aligned position to the first optical fiber connector, and is capable of detecting an incident light level, thereby showing that whether the second optical fiber connector is at the aligned position to the first optical fiber connector by compare of the incident light level and the reference. | 06-27-2013 |
20130242208 | PROJECTION DEVICE - A projection device includes a light source, a light guiding plate, a liquid crystal device, and a projection lens. The guiding plate aligns with the light source and includes a light incident surface and a light emitting surface facing away from the light incident surface. The light incident surface faces the light source. The liquid crystal device aligns with the light emitting surface. The projection lens is positioned between the liquid crystal device and a screen. | 09-19-2013 |
20130250256 | PROJECTOR SYSTEM AND PORTABLE ELECTRONIC DEVICE HAVING SAME - A projector system of the present disclosure includes a light source unit, an imaging unit and a projection lens. The light source unit provides projected light. The light source unit includes a number of converging lenses and a light guiding member. The converging lenses gather and converge outside light into the light guiding member, and the light guiding member is configured for guiding light converged by the converging lenses to the imaging unit. The imaging unit is configured for modulating light from the light source with image information. The projection lens is configured for projecting modulated light out of the projector system. The present disclosure also relates to an portable electronic device having the projector system. | 09-26-2013 |
20140218776 | SCANNING DEVICE - A scanning device is capable of scanning both sides of a medium and includes a lens module, an optical-electric coupling unit, and a processor. The lens module faces the medium to be scanned. The optical-electric coupling unit is optically connected to the lens module. The processor is optically connected to the optical-electric coupling unit, and includes a light emitting unit and a light receiving unit. The light beams emitted from the light emitting unit are directed into the lens module through the optical-electric coupling unit, and illuminate the medium to be scanned. The light beams reflected by the medium enter into the optical-electric coupling unit through the optical-electric coupling unit, and then to the light receiving unit. The processor processes the reflected light beams into electrical signals to obtain scanning signals. | 08-07-2014 |
20140293639 | BRAKE LIGHT SYSTEM AND BRAKE LIGHT - A braking light system mounted on a road vehicle includes at least one braking light, a power source, a detecting unit, and a controlling unit. The braking light includes a light guide plate, a first light source, and a second light source. The light guide plate includes a first sidewall and a second sidewall and a plurality of holes and depressions to release internal light, the holes are arranged to present a decreasing diameter and decreasing density of holes between the light sources and sidewalls. The controlling unit controls the power source to provide power for the first light source at night, and when the detecting unit detects deceleration, the controlling unit is prompted to further control the power source to provide power for the second light source to emit light to provide an effective visual braking warning to any following driver. | 10-02-2014 |
20140312016 | LASER CUTTING DEVICE AND LASER CUTTING METHOD - A laser cutting device is configured for cutting an original product. The original product includes a stub bar and an optical element. The laser cutting device includes a support member and a cutting member. The original product is moveably placed on the support member. The cutting member includes a checking unit and a laser cutting unit, and defines a cutting area. The checking unit checks whether the original product moves in the cutting area. The laser cutting unit cuts the original product, thereby separating the stub bar from the optical element if the original product moves in the cutting area. | 10-23-2014 |
20140376235 | LENS WITH DIFFERENT LAYERS AND METHOD MAKING THE SAME - A lens includes a first optical layer, a second optical layer and a third optical layer sequentially stacked. The third optical layer has a light refractive index larger than that of the second optical layer, and the second optical layer has a light refractive layer larger than that of the first optical layer. A method for making the lens is also provided. | 12-25-2014 |
20150062905 | OPTICAL LENS, METHOD FOR MANUFACTURING THE OPTICAL LENS AND LIGHT SOURCE MODULE INCORPORATING THE OPTICAL LENS - A method for manufacturing an optical lens includes providing an uncured light diffusion body, the light diffusion body comprising a first optical surface located at a bottom thereof, and a second optical surface located at a top thereof and arranged oppositely to the first optical surface, the light diffusion body defining a receiving cavity recessed from a central portion of the second optical surface toward the first optical surface; introducing a light transmissive material doped with diffusion particles into the receiving cavity to a desired thickness; and solidifying the light transmissive material and the light diffusion body. An optical lens manufactured by the method and a light source module incorporating the optical lens are also provided. | 03-05-2015 |
20150109761 | BACKLIGHT MODULE HAVING UNIFORM ILLUMINATION - A backlight module includes a first optical element, a plurality of LEDs, and a plurality of second optical elements. The second optical elements are located over the LEDs, and spaced from the LEDs and the first optical element. Each second optical element has a configuration of an inverted frustum of a triangular cone. The LEDs are arranged on a reflecting face of the first optical element in a number of rows and columns. The LEDs in every two adjacent rows of the LEDs are arranged zigzag. The LEDs in every two adjacent columns of the LEDs are arranged zigzag. The first optical element and the second optical elements reflect light emitted from the LEDs. The light emitted from each LED forms a triangular light field after reflected by the first optical element and the second optical element. | 04-23-2015 |
20150109795 | LENS UNIT AND LED MODULE USING THE SAME - A lens unit includes a lens and a reflector received in the lens. The lens includes a light incident face and a light emerging face opposite to the light incident face. The reflector is enclosed by the light incident face. The reflector has a diameter gradually increasing and then decreasing along an optical axis of the lens. The reflector reflects light emitted from the LED divergently to enter the lens. An LED module incorporating the lens unit is also disclosed. | 04-23-2015 |
20150116984 | LENS WITH LIGHT-DIFFUSION CAPPING LAYERS AND BACKLIGHT MODULE INCORPORATING THE SAME - A lens includes a main lens, a first light-diffusion capping layer and a second light-diffusion capping layer formed on the top of the main lens in sequence. The main lens includes a light incident surface and a light exit surface opposite to the light incident surface. The main lens defines a recess in the top thereof, and the recess is located at a central region of the light exit surface and recessed inwardly toward the light incident surface. The first and the second light-diffusion capping layers are received in the recess, and the second light-diffusion capping layer is located over the first light-diffusion capping layer. A refractive index of the first light-diffusion capping layer is smaller that that of the main lens but larger than that of the second light-diffusion capping layer. A backlight module source incorporating the lens and the LED light source is also provided. | 04-30-2015 |
20150117027 | LIGHT SOURCE MODULE - The present disclosure relates to a light source module. The light source module includes a light source and a lens facing the light source. The lens includes a bottom surface, a light input surface, a light output surface and a transparent ball. The light input surface is a curved surface depressing from a center of the bottom surface. The light source faces the light input surface. The light output surface is opposite to the bottom surface. The light output surface includes a concave surface located at a center thereof and a convex surface located at peripheral thereof and surrounding the concave surface. The transparent ball is received in a cavity defined by the light input surface. The transparent ball defines a plurality of hollow holes therein. | 04-30-2015 |
20150153499 | LIGHT SOURCE MODULE - The present disclosure relates to a light source module which includes a light source and a plurality of fibers. The light source has a light emitting surface. The fibers are arranged on the light emitting surface of the light source. Each fiber includes a light input part contacting the light emitting surface and a light output part opposite to the light input part. The light output part of each fiber extends upwardly and outwardly from the light input part for guiding light from forward to outside. | 06-04-2015 |
20150185390 | LIGHT SOURCE MODULE - A light source module includes a light source, a fixing plate, a plurality of fibers and a plurality of light diverging elements. The light source includes a light outputting surface. The fixing plate is arranged above the light emitting surface of the light source. Each fiber includes a light inputting end which is optically coupled to the light emitting surface and a light outputting end opposite to the light inputting end. Each of the light outputting ends is inserted into the fixing plate. A distance between each two adjacent light outputting ends is greater than the distance between each two adjacent light inputting ends. The light diverging elements are arranged on the fixing plate, and cover the light output surface of fiber. | 07-02-2015 |