Patent application number | Description | Published |
20130064915 | APPARATUS FOR MANUFACTURING OPTICAL FILM - An apparatus for manufacturing an optical film includes a first pressing roller, a second pressing roller, an UV solidifying unit and a winding roller. The first pressing roller and the second pressing roller are spaced a predetermined distance from each other and configured for cooperatively molding the optical film by means of microstructures formed on a peripheral surface of the first pressing roller. Reverse-face microstructures are imprinted on the optical film. A diameter of the first pressing roller is smaller than that of the second pressing roller, and a diameter of the winding roller is larger than that of the second pressing roller. The UV solidifying unit is configured for solidifying the molded optical film. | 03-14-2013 |
20130087827 | ORGANIC LIGHT-EMITTING DIODE AND METHOD OF MAKING SAME - An organic light-emitting diode includes a substrate layer, a cathode layer spread on the substrate layer, an organic film spread on the cathode layer and an anode layer spread on the organic film. The substrate layer is made of electrically insulative and transparent material. The cathode layer is made of transparent and electrically conductive material. The organic film includes an organic luminescent layer. Molecules of the organic film orient toward a uniform direction and the organic film radiates polarization light. | 04-11-2013 |
20130100701 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCLUDING SAME - A light guide plate includes a light incident surface and a plurality of micro cylinders protruding from the light incident surface in parallel. Each of the micro cylinders has a circumference surface and two opposite end surfaces. The circumference surface is connected to the light incident surface. The two end surfaces are positioned on two opposite ends of the circumference surface, and are perpendicular to the light incident surface. Each of the two end surfaces is circular arc-shaped, and the radius of each of the two end surfaces is in the range of 0.04 μm to 0.07 μm. | 04-25-2013 |
20130107575 | LIGHT GUIDE PLATE AND ILLUMINATING DEVICE | 05-02-2013 |
20130118549 | SOLAR POWER CONCENTRATOR AND SOLAR POWER COLLECTING DEVICE USING SAME - A solar power collecting device includes a solar power concentrator and a solar cell. The solar power concentrator includes a fructoconical reflector and a converging lens. The reflector includes a fructoconical inner reflecting surface, a wide end open to an outside and a narrow end, the reflecting surface configured for reflecting and directing sunlight from the wide end to the narrow end. The converging lens is located at the narrow end of the reflector, and is configured for receiving and converging the reflected sunlight from the reflector and sunlight incident thereon directly from the wide end. The solar cell is configured for converting the converged sunlight from the solar power concentrator into electricity. | 05-16-2013 |
20130121028 | LIGHT GUIDE PLATE WITH MICRO-DOTS - A light guide plate includes an incident surface, an emergent surface substantially perpendicular to the incident surface, a bottom surface opposite to the emergent surface, and a number of micro-dots positioned on the bottom surface. The micro-dots have similar shape and size. A density of the micro-dots gradually increases from a near-end to a far-end of the incident surface. | 05-16-2013 |
20130125414 | BLOW DRYING MECHANISM FOR WORKPIECES - A blow drying mechanism for drying plate-like members with pressurized air is disclosed. The blow drying mechanism includes an air inlet wall defining at least one inlet and an air outlet wall defining at least one outlet communicating with the at least one inlet. The at least one outlet is an elongated slot. | 05-23-2013 |
20130128577 | LIGHT SOURCE MODULE AND ILLUMINATING DEVICE - A light source module includes a housing receiving a light source. The housing includes a transparent light emitting plate with a micro structure positioned on an outer surface thereof. The micro structure includes a number of first and second light guide projectors. The first light guide projectors are positioned at a middle part of the outer surface, the second light guide projectors are positioned at two end parts of the outer surface. The first and second light guide projectors extend along the outer surface and are perpendicular to each other, cross-sectional surfaces of the first light guide projectors perpendicular to the extending direction of the first light guide projectors are semi-circular-shaped, and cross-sectional surfaces of the second light guide projectors perpendicular to the extending direction of the second light guide projectors are triangular-shaped. An illuminating device including the light source module is also provided. | 05-23-2013 |
20130136854 | MOLDING CORE AND METHOD OF MANUFACTURING THE SAME - A molding core includes a main body and a protective layer. The main body includes a molding surface and a rear surface opposite to the molding surface. The protective layer is formed on the rear surface of the main body. The present disclosure also discloses a method of manufacturing the molding core. | 05-30-2013 |
20130153556 | LASER MACHINING METHOD FOR METALLIC WORKPIECE - A laser machining method for metallic workpiece, including providing a metallic workpiece, heating the metallic workpiece with a heater controller, and machining the metallic workpiece with a laser beam. | 06-20-2013 |
20130201724 | LIGHT GUIDE PLATE HAVING DUAL MICRO STRUCTURES - A light guide plate includes a light incident surface, a light exit surface; and a bottom surface opposite the light exit surface. The light incident surface includes many first micro structures and many second micro structures. Each second micro structure cover some of the first micro structures. | 08-08-2013 |
20130223099 | LIGHT GUIDE PLATE HAVING UNIFORM LIGHT EMISSION AND BACKLIGHT MODULE INCLUDING SAME - A light guide plate includes a light incident surface, a bottom plate, a light emitting surface opposite to the bottom plate, and a side surface opposite to the light incident surface. The light incident surface is perpendicular to the light emitting surface. The bottom surface is imaginarily divided into rectangular sub-portions which are equal in area and shape. A portion of the sub-portions close to the side surface constitutes a main portion. Each sub-portion uniformly distributes micro protrusions. Along a direction from the light incident surface to the side surface, the micro protrusion densities of the sub-portions of the main portion gradually ascend, and the difference values of the micro protrusion densities of any two adjacent sub-portions of the main portion gradually ascend. | 08-29-2013 |
20130235615 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE USING SAME - A light guide plate includes a main body and a number of semi-cylindrical shaped protrusions. The main body includes a light incident surface and a top surface perpendicular to the light incident surface. The top surface includes a light emitting area and a fringe area surrounding the light emitting area. The protrusions are continuously distributed on the light incident surface. Each protrusion includes two semicircular end surfaces opposite to each other, a plane fixed surface fixed on the light incident surface, and an arc-shaped peripheral surface. The diameter of the end surfaces is less than 1 millimeter. The length of each protrusion along its central axis is substantially equal to the thickness of the light incident surface along a direction perpendicular to the top surface. | 09-12-2013 |
20140177234 | LENS AND LIGHT SOURCE MODULE INCORPORATING THE SAME - A lens includes a light incident face, a light exit face opposite to the light incident face and a plurality of micro dot patterns formed on the light exit face. The light incident face is a concave face and the light exit face is a convex face. The plurality of micro dot patterns are positioned at a central portion of the light exit face. A light source module incorporating the lens is also provided. The light source module includes a light emitting diode emitting light into the lens through the light incident face. The micro dot patterns direct the light from the light emitting diode and through the central portion of the light exit face toward a peripherial side of the lens. | 06-26-2014 |
20140177267 | BACKLIGHT MODULE INCLUDING CICULAR AND CYLINDER FRESNEL LENSES - A backlight module includes a carrier plate, a plurality of light sources, a plurality of circular Fresnel lenses, and a plurality of cylinder Fresnel lenses. The circular Fresnel lenses are arranged in an array form on the carrier plate. The light sources correspond to the circular Fresnel lenses, and are located in a side away from the carrier plate. One cylinder Fresnel lens is set between every two adjacent circular Fresnel lenses. A length direction of each cylinder Fresnel lens is parallel to an extending direction of adjacent column of the circular Fresnel lens. The circular and cylinder Fresnel lenses are used to reflect a light incident into their surfaces, and to increase an emission angle of the reflected light. | 06-26-2014 |
20140254172 | LENS AND LED PACKAGE HAVING THE SAME - A lens adjusts light emitted from a light source that emits the light in upward directions whereby light intensity of the adjusted light at a lateral side of the light source is increased. The lens includes a bottom surface and a top surface extending from an edge of the bottom surface. A first cavity recesses upwardly from the bottom surface for receiving a light source therein. An inner surface of the first cavity acts as a light inputting surface. A first dispersing portion protrudes downwardly from a top end of the light inputting surface. The light inputting surface collects light from the light source, the first dispersing portion disperses part of light from the light inputting surface and transmits the light to lateral sides of the light inputting surface and lateral sides of the top surface to illuminate. | 09-11-2014 |
20140283404 | FEEDING SYSTEM FOR INJECTION MOLDING MACHINE - The feeding system for an injection molding machine includes a drying barrel, a suction pipe, and a pressing cover. The injection molding machine includes a feeding pipe. The drying barrel is configured for receiving material used in the injection molding machine. The suction pipe is connected between the feeding pipe and the drying barrel. The material is configured to be introduced into the feeding pipe through the suction pipe. The pressing cover is slidably received in the drying barrel and configured for pressing the material to squeeze out air existing in the material. | 09-25-2014 |
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 |
20140293274 | WAVEFRONT MEASURING SYSTEM WITH LARGE DYNAMIC MEASURING RANGE AND MEASURING METHOD - A wavefront measuring system with large dynamic measuring range includes a measuring unit, a control unit, and a processing unit. The measuring unit includes a wavefront dividing component, a focusing component and a photosensor. The wavefront dividing component samples a part of a laser beam (a sampled light beam) in a measuring plane, the focusing component focuses the sampled light beam on a photosensitive surface of the photosensor to form a light spot, the photosensor detects the presence of the light spot, the data processing unit acquires the locational information of the light spot and calculates the direction of the sampled light beam beam. The control unit drives the measuring unit to a different position in the same measuring plane, the wavefront dividing component samples another sampled light beam. The data processing unit calculates the wavefront distribution on the measuring plane based on the direction determined sampled light beams. | 10-02-2014 |
20140293607 | LENS MODULE AND LED LIGHTING MODULE HAVING THE SAME - A lens module for divergently refracting light from an LED includes a first lens and a second lens matching with the first lens. The first lens is received in the second lens, and the first lens is spaced from the second lens. The LED is received in the first lens. A central axis of the first lens coincides with a central axis of the second lens. Light emitted from the LED and into the lens module is refracted out by the first lens and the second lens. The first and second lenses have different capabilities of refraction. This disclosure also relates an LED lighting module with the lens module. | 10-02-2014 |
20140293614 | LENS AND LED LIGHT MODULE HAVING THE SAME - A lens, which is integrally formed as a single piece, includes a base, a first light diffusion portion and a second light diffusion portion formed on the base. A receiving hole is defined in the second light diffusion portion. The first light diffusion portion is received in the receiving hole, and an inner surface of the receiving hole is spaced from a top surface and a periphery side surface of the first light diffusion portion. A recess is defined in the first light diffusion portion for receiving an LED therein. The first and second light diffusion portions have different light diffusion (refraction) capabilities. The present disclosure also relates an LED light module using the lens. | 10-02-2014 |
20140307462 | LIGHT GUIDING ELEMENT AND BACKLIGHT MODULE USING SAME - A light guiding element includes at least one fixing element and a number of light guiding pipes positioned on the fixing element. Each light guiding pipe includes a light guiding portion and a light scattering portion. The light guiding portion includes a first side surface, and a receiving recess is defined in the first side surface. A refractive index of the light guiding portion is greater than that of air. The light scattering portion includes a second side surface, and a protrusion protrudes from the second side surface. A plurality of diffusion particles are uniformly distributed in the light scattering portion. A refractive index of the light scattering portion is greater than that of air. The protrusion is received in the receiving recess. | 10-16-2014 |
20140307477 | LIGHT GUIDE PLATE WITH UNIFORM LIGHT OUTPUT AND METHOD OF MANUFACTURING SAME - A light guide plate includes a main body and a number of transparent particles. The main body includes a light incident surface, and defines a micro structure in the light incident surface. The transparent particles are made of material with a refraction index greater than the refraction index of the material of the main body and are attached on the light incident surface in the micro structure. | 10-16-2014 |
20140313695 | LIGHT DIFFUSER AND BACKLIGHT MODULE HAVING SAME - A light diffuser for a backlight module includes a main body, a diffusing micro-structure, and a micro-prism structure. The main body includes a light incident surface and a light emergent surface opposite to the light incident surface, the diffusing micro-structure is formed on the light incident surface, and the micro-prism structure is formed on the light emergent surface. The diffusing micro-structure includes a number of protrusions. The protrusions are substantially semi-cylindrical-shaped, and the prisms are substantially parallel to each other. The micro-prism structure includes a number of prisms, and the prisms are substantially parallel to each other. | 10-23-2014 |
20140314426 | OPTICAL CONNECTOR - An optical connector includes a printed circuit board, at least one emitter, at least one receiver, a coupler, and a number of positioning poles. The printed circuit board includes an assembling surface defining a number of first positioning recesses therein. The emitter and the receiver are electrically connected to the assembling surface of the printed circuit board. The coupler includes a bottom surface facing toward to the printed circuit board and at least two first lenses corresponding to the emitter and the receiver. The coupler defining a number of second positioning recesses in the bottom surface corresponding to the first positioning recesses. The positioning poles are positioned between the printed circuit board and the coupler, with one end of each positioning pole inserting and being fixed into a first positioning recess and the other end of each positioning pole inserting and being fixed into a second positioning recess. | 10-23-2014 |
20140321102 | DIRECT-TYPE LIGHT EMITTING DIODE BACKLIGHT MODULE - A direct-type LED backlight module includes a backlight plate, an LED mounted on the backlight plate to emit light, and a lens mounted on the backlight plate and encapsulating the LED therein. The lens includes a light input part to allow the light in, a light output part extending from a top surface of the light input part to allow the light radiate out from a periphery thereof, and a microstructure formed on a bottom surface of the light input part to reflect a part of light reflected by the light output part to make the reflected light travel through a central portion of the light output part. | 10-30-2014 |
20140330543 | METHOD FOR DESIGNING LENS - A method for designing a lens is disclosed. Multiple coordinates of an optical face of the lens are set according to formulas of X | 11-06-2014 |
20140345116 | METHOD FOR MAKING LIGHT GUIDE PLATE - A method includes having test plate and light source, the test plate having matrix of first pattern-dots and equally divided into blocks. Intersecting surfaces between the first pattern-dots and the first bottom surface have the same radius r | 11-27-2014 |
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 |
20150016118 | LENS WITH DIFFERENT LAYERS AND LED UNIT USING THE SAME - A lens includes a first optical layer, a second optical layer covering the first optical layer and a third optical layer covering the second optical layer. The first optical layer has a light refractive index larger than that of the second optical layer. The second optical layer has a light refractive index larger than that of the third optical layer. | 01-15-2015 |
20150029722 | LENS UNIT AND LIGHT SOURCE MODULE WITH SAME - The present disclose relates to a lens unit. The lens unit includes a first lens and a second lens. The first lens includes a first light input surface, a first light output surface opposite to the first light input surface and a first side surface connected to the first light output surface. The first lens has a first refractive index. The second lens defines a cavity at a light input surface thereof for receiving the first lens. The second light output surface of the second lens contacts the first light output surface and the first side surface of the first lens. The second lens has a second refractive index which less than the first refractive index. The present disclose also relates to a light source module with the lens unit. | 01-29-2015 |
20150029728 | LENS AND LED MODULE USING THE SAME - A lens includes a bottom face, a light incident face formed in the bottom face, a light emerging face opposite to the bottom face and a lateral face formed between the bottom face and the light emerging face. A light diverging protrusion is formed on the light incident face. The light diverging protrusion has a conical face gradually shrinking away from the light emerging face. An LED unit incorporating the lens is also disclosed. | 01-29-2015 |
20150029750 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCORPORATING THE SAME - A light guide plate includes a light incident face, a bottom face adjacent to the light incident face and a light exit face opposite to the bottom face. The micro lenses are formed on the light incident face in series to diffuse light incident thereon. Two adjacent micro lenses cooperatively define a V-shaped groove therebetween. Each groove defines an opening. The width of the openings of the grooves gradually changes from a center of the light incident face toward lateral sides thereof. A backlight module incorporating the light guide plate is also provided. | 01-29-2015 |
20150049463 | LENS WITH DIFFUSION STRUCTURE AND BACKLIGHT MODULE INCORPORATING THE SAME - A lens for an LED backlight module includes a main lens body and a diffusion structure consisting of a plurality of micro lenses. The main lens body includes a light incident face for receiving light from an LED light source and a light exit face opposite to the light incident face thereof. Light leaves the lens from the light exit face. The micro lenses of the diffusion structure are formed on the light exit face of the main lens body. Each micro lens is annular and has a generally triangular cross section. Each micro lens includes a first light scattering surface and a second light scattering surface intersecting with the first light scattering surface. The micro lenses are arranged in a series of concentric circles with regard to a center of the lens. A backlight module source incorporating the lens and the LED light source is also provided. | 02-19-2015 |
20150055352 | OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME - A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident surface facing the light source, and a light emitting face opposite to the light incident face. The light emitted from the light source is entered into the optical lens from the light incident face, and exited from the light emitting face. A refractive index of the optical lens gradually decreases along a direction from the light incident face to the light emitting face of the optical lens. | 02-26-2015 |
20150062921 | LIGHT SOURCE DEVICE - The present disclose relates to light source device, which including a light source and a lens opposite to the light source. The lens includes a bottom surface, a light input surface, a top surface and a side surface. The light input surface depresses from the bottom surface towards a top surface of the lens. The light input surface is an aspheric surface. The top surface is opposite and parallel to the bottom surface. The side surface connects the bottom surface and the top surface. The side surface is a curved surface formed by rotating a curve line about the central axis of the lens. Light emitted from the light source enters the lens and is refracted by the side surface and the top surface of the lens to outside. | 03-05-2015 |
20150078008 | OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME - A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The connecting face is planar. The light emitting face includes a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The optical lens further includes a plurality of protrusions protruding outwardly from the light emitting face, and a plurality of grooves defining in the connecting face. The protrusions are formed on the lateral face and located adjacent to the connecting face, and the grooves are located adjacent to the lateral face. | 03-19-2015 |
20150078009 | OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME - A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The connecting face is planar. The light emitting face includes a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The top face of the light emitting face includes a center facet facing the light incident face, a first curved facet surrounding and connecting to the center facet, and a second curved facet surrounding and smoothly connecting to the first curved facet. | 03-19-2015 |
20150103533 | LENS AND LIGHT SOURCE MODULE WITH THE SAME - The present disclosure relates to a lens. The lens includes a bottom surface, a light input surface and a light output surface. The light input surface is a curved surface depressing from a center of the bottom surface. The light output surface is opposite to the bottom surface. The light output surface includes a planar surface located at a center thereof and a convex surface located at peripheral thereof and surrounding the planar surface. The planar surface includes a plurality of micro structures located at a central area thereof. The present disclosure also relates to a light source module with the lens. | 04-16-2015 |
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 |
20150117023 | LENS AND LED UNIT USING THE SAME - A lens includes a bottom face, a light incident face defined in the bottom face, a plurality of light reflective faces connecting the light incident face with the bottom face, and a light emerging face opposite to the light incident face. The light incident face includes a first face and a plurality of second faces alternating with the light reflective faces. The light reflective faces are flat faces parallel to an optical axis of the lens. An LED unit using the lens is also disclosed. | 04-30-2015 |
20150117028 | LENS WITH DIVERGENT STRUCTURE AND BACKLIGHT MODULE INCORPORATING THE SAME - A lens includes a main lens and a divergent structure positioned on the top of the main lens. The main lens has a light incident surface for receiving light generated by an LED light source and a light exit surface opposite to the light incident surface. The divergent structure includes a plurality of annular micro lenses each having a triangular shape in cross section. The micro lenses are arranged in a series of concentric circles with regard to a center point located on an optical axis of the main lens. Each micro lens includes an inner surface and an outer surface connected with the inner surface. The inner and outer surfaces define an angle therebetween, which is increased gradually from the center point toward a periphery of the light exit surface. A backlight module using the lens is also provided. | 04-30-2015 |
20150117029 | OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME - A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The connecting face is planar. The light emitting face includes a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The top face of the light emitting face comprises a center curved facet and a periphery curved facet surrounding and extending outwardly from the center curved facet. The light incident face is a discontinuous face and includes a plurality of curved facets. | 04-30-2015 |
20150117031 | LENS WITH DISCONTINUOUS SUB-LIGHT EMERGING FACES - A lens includes a bottom face, a light incident face defined in the bottom face, a light emerging face opposite to the bottom face and a lateral face connecting the light emerging face with the bottom face. An optical axis extends through centers of the light incident face and the light emerging face. The light emerging face includes a plurality of sub-light emerging faces discontinuous from each other. Each sub-light emerging face has a concave face adjacent to the optical axis, and a convex face away from the optical axis. | 04-30-2015 |
20150117815 | OPTICAL COMMUNICATION DEVICE - An optical communication device includes a first fiber, a second fiber, a light-emitting unit, a light-receiving unit, and a lens unit. The lens unit includes a first portion and a second portion connecting with the first portion. The first portion includes a first entrance surface, a first exit surface, and a first reflecting surface. The first entrance surface is perpendicular to the first exit surface. The first optical fiber faces the first entrance surface and the light-receiving unit faces the first exit surface. The second portion includes a second entrance surface, a second exit surface, and a second reflecting surface. The second entrance surface is perpendicular to the second exit surface. The first entrance surface and the second exit surface are coplanar. | 04-30-2015 |
20150138757 | LIGHT-EMITTING DEVICE AND BACKLIGHT MODULE HAVING THE LIGHT-EMITTING DEVICE THEREIN - A light-emitting device includes a base and a light source and a diverging unit placed on the base. The diverging unit has a divergent lens and a diverging ring. The divergent lens includes a light incident surface, a light exiting surface, and a side surface. The side surface is connected to the light incident surface and the light exiting surface. The divergent lens defines a receiving space and the receiving space extending into the divergent lens from the light incident surface towards the light exiting surface. The light source is received in the receiving space. The diverging ring is positioned on the light exiting surface and in-line with the light source so that the diverging ring reflects light from the light source transmitted through the divergent lens in multiple directions. | 05-21-2015 |
20150184832 | OPTICAL LENS ASSEMBLY AND LIGHT SOURCE MODULE HAVING THE SAME - A light source module includes a light source and an optical lens assembly covering the light source. The optical lens assembly includes an optical lens, a reflecting member located on the optical lens, and a reflecting film formed on the reflecting member. The optical lens includes a main portion and a protruding portion protruding upwardly from the main portion. The reflecting member is conical. The reflecting member is invertedly located on the protruding portion of the optical lens. A tip of the reflecting member is inserted into an inside of the optical lens from the protruding portion. The reflecting member has a top surface and an outer circumferential surface. A center of the top surface of the reflecting member is recessed inwardly, whereby a concave surface is formed. The concave surface oriented upwardly and outwardly relative to the light source. The reflecting film is distributed on the concave surface. | 07-02-2015 |
20150268093 | PHOTOELECTRIC CONVERSION DEVICE AND OPTICAL FIBER COUPLING CONNECTOR - A photoelectric conversion device includes a circuit board, a light emitting module, a light receiving module, and an optical coupling lens. The circuit board includes two positioning portions apart from each other. The light emitting module and the light receiving module are mounted on the circuit board, and are spaced apart from each other. The optical coupling lens includes a bottom surface facing the light emitting module and the light receiving module, two first converging portions formed on the bottom surface, and two locating portions. Centers of the positioning portions are aligned with centers of the locating portions to ensure perfect alignment of the light emitting module and the light receiving module with the first converging portions. | 09-24-2015 |
20160069524 | WINDOW GLASS - A window glass includes an incident surface, an emergent surface opposite to the incident surface, a bottom surface, and a top surface opposite to the bottom surface. The incident surface and the emergent surface are interconnected between the top surface and the bottom surface. A plurality of sawteeth is defined on the emergent surface. Each sawtooth includes a first surface adjacent to the top surface and a second surface adjacent to the bottom surface. In each sawtooth, an angle between the first surface and the incident surface is over 90 degrees. The second surface and the incident surface cooperatively define an acute angle. The acute angle increases from the top surface down to the bottom surface and causes the redirection of early morning sunlight up to a ceiling of a room or building containing the window glass. | 03-10-2016 |
20160070076 | OPTICAL COUPLING LENS AND OPTICAL FIBER COUPLING CONNECTOR - An optical coupling lens includes three main bodies, the main body further includes a bottom surface, a top surface opposite to the bottom surface, an alignment surface, a first side surface, a second side surface, a third side surface, and a fourth side surface. The alignment surface, the first side surface, the second side surface, the third side surface, and fourth side surface are interconnected between the top surface and the bottom surface, and are connected to each other end to end. The three main bodies connect to each other end to end, and the third side surface of one of the main bodies correctly aligns with the fourth side surface of another of the main bodies. | 03-10-2016 |
20160084472 | LIGHT DIFFUSION MEMBER, AND LIGHT EMITTING DEVICE, AND DISPLAY DEVICE USING THE SAME - A light diffusion member includes a matrix and a number of quantum dots uniformly dispersed in the matrix. The matrix is made of epoxy resin and ammonium persulfate. The quantum dots have a mass percentage of about 10% to about 20% of the total mass of the light diffusion member. A light emitting device using the light diffusion member and a display device using the light emitting device are also provided. | 03-24-2016 |
Patent application number | Description | Published |
20130163281 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE USING SAME - A light guide plate includes an incident surface, an emitting surface, and a reflecting surface opposite to the emitting surface. The incident surface connects the emitting surface to the reflecting surface. A plurality of microstructures is defined in the reflecting surface. Each microstructure is a slot. A cross-section across each microstructure and parallel to a light emitting direction is substantially V-shaped. Each microstructure is formed with two sidewalls. Each sidewall includes a plurality of stepped portions connected in order. | 06-27-2013 |
20140022820 | RING-SHAPED LIGHT GUIDING MEMBER AND BACKLIGHT MODULE HAVING SAME - A ring-shaped light guiding member includes a ring-shaped light guiding main body having a circumferential surface, and a light introducing portion formed on the circumferential surface. The light introducing portion includes a flat light incident surface perpendicularly connected to the circumferential surface and a curved side surface connected between the light incident surface and the circumferential surface. A backlight module using the ring-shaped light guiding member is also provided. | 01-23-2014 |
20140111973 | DIRECT-TYPE LED BACKLIGHT MODULE - A direct-type LED backlight module includes a supporting base having a supporting face, an LED mounted on the supporting face of the supporting base, and a dome-like light guiding cover positioned on the supporting face of the supporting base and covering the LED. The light guiding cover defines a plurality of through holes for permitting light emitted from the LED to pass through light guiding cover. The through holes are spaced from each other and arranged in a number of imaginary concentric circles relative to a center of the light guiding cover. An inner face of the light guiding cover facing the LED is coated with a reflective film. A semispherical light reflecting portion protrudes downwardly from an inner face of a top portion of the light guiding cover towards the LED. | 04-24-2014 |
20140140044 | LIGHT GUIDING ELEMENT AND BACKLIGHT MODULE - A light guide element includes a hollow housing defining a cavity and a reflective film. The housing includes a front wall with an opening, a closed rear wall opposite to the front wall, and four sidewalls interconnected between the front wall and the rear wall. One of the sidewalls defines a number of light output holes. The opening and the light output holes communicate with the cavity. The reflective film is formed on the entirely inner side surfaces of the housing in the cavity. Light from the opening is repeatedly reflected by the reflective film in the cavity and finally exits the housing through the light input holes. | 05-22-2014 |
20140151579 | LIGHT REFLECTING DEVICE AND RELATED LIGHT CURING DEVICE - A light reflecting device comprises: two juxtaposed elongate sidewalls having inwardly curved inner surfaces facing each other; two opposite side panels, the sidewalls interposed and connected between the side panels, the side panel has flat inner surfaces facing each other and being perpendicular to a lengthwise direction of the sidewalls; and an elongate bottom wall interconnected between the sidewalls and the side panels, the bottom wall has an elongated outwardly curved inner surface interconnected between the inwardly curved inner surfaces. | 06-05-2014 |
20140168994 | OPTICAL LENS AND LIGHTING DEVICE HAVING SAME - An optical lens for adjusting viewing angle of and diffusing light emitted from a light emitting diode includes a light incident surface and a light emitting surface. The light incident surface is cone-shaped and concave towards the light emitting surface. The light emitting surface is cone-shaped and concave towards the light incident surface. | 06-19-2014 |
20140174919 | ELECTRODE HAVING HEAT SINKS AND COATING DEVICE - An electrode is made of conductive material, and includes a first surface, a second surface, and two opposite side surfaces. The second surface is opposite to the first surface. The two side surfaces are connected to the first surface and the second surface. A number of heat sinks are positioned on the second surface and the two first side surfaces, and are configured for exhausting heat generated by the electrode. | 06-26-2014 |
20140177229 | OPTICAL LENS AND LIGHTING DEVICE HAVING SAME - An optical lens for increasing viewing angle of light from a light emitting diode includes a bottom surface, a reflective surface, and a side surface connected between the bottom surface and the reflective surface. The light emitting diode is received in the bottom surface. The reflective surface defines a cone-shaped recess and is concaved from a top of the optical lens towards the bottom surface. A vertex angle of the cone-shaped recess defined by the reflective surface is less than or equal to | 06-26-2014 |
20140177261 | LIGHT SOURCE MODULE - A light source module includes a light source and a light guiding pole. The light guiding pole is made of transparent material and has a light incident surface and at least one side surface connected to the light incident surface. The light source emits light rays, and faces the light incident surface. The light incident surface guides the light rays into the light guide pole, and the at least one side surface totally reflects the light rays. At least one slot is defined at the at least one side surface, and extends along a lengthwise direction of the light guiding pole. The at least one slot destroys the totally reflective path of a portion of the light rays arriving the at least one side surface, and thus the portion of the light rays emits from the at least one side surface. | 06-26-2014 |
20140177269 | LIGHT GUIDE PLATE HAVING UNIFORM LIGHT EMISSION AND MANUFACTURING METHOD THEREOF - A light guide plate includes a main body and a number of micro protrusions. The main body includes a light emitting surface, a bottom surface, and a light incident surface. The bottom surface is opposite to the light emitting surface. The light incident surface connects the light emitting surface and the bottom surface. The protrusions are randomly positioned on the light emitting surface, and are used for reflecting light rays towards random directions. | 06-26-2014 |
20140177276 | LIGHT GUIDE PLATE HAVING UNIFORM LIGHT EMISSION AND BACKLIGHT MODULE - A light guide plate includes a light emitting surface, a bottom surface opposite to the light emitting surface, a light incident surface, and a side surface opposite to the light incident surface. The bottom surface is imaginarily divided into a plurality of rectangular portions along a direction from the light incident surface to the side surface. The shapes of the rectangular portions are the same as each other. Each of the rectangular portions distributes a plurality of microstructures. The rectangular portions are assigned serial numbers along the direction from the light incident surface to the side surface. The microstructure density in each of the rectangular portions between the first rectangular portion and the last rectangular portion satisfies the formula: a | 06-26-2014 |
20140177277 | LIGHT GUIDING PLATE - A light guide plate includes a light incident surface, a light output surface, a bottom surface opposite to the light output surface, and a plurality of dots formed on the bottom surface. Each dot includes a first curved surface, a second curved surface and two flat surfaces separately interconnecting the first curved surface and the second curved surface. The first curved surface is configured for perpendicularly reflecting light towards the light output surface. The second curved surface is configured for scattering and reflecting light back into the light guide plate. The two flat surfaces are configured for diverging light to lateral sides of an original path. | 06-26-2014 |
20140185320 | OPTICAL COUPLING DEVICE AND BACKLIGHT MODULE - An optical coupling device is used for optically coupling light sources with a light guide plate. The optical coupling device includes transparent light guide portions. Each light guide portion has a light incident surface, a light emitting surface, a top surface, and a bottom surface. The light incident surface is opposite to the light emitting surface. The top surface is opposite to the bottom surface. Along a direction perpendicular to the top surface, a thickness of the light incident surface is greater than a thickness of the light emitting surface. The light incident surface is optically coupled with a corresponding one of the light sources. The light emitting surface is optically coupled with the light guide plate. | 07-03-2014 |
20140198483 | DIFFUSION PLATE AND DIRECT TYPE BACKLIGHT MODULE HAVING SAME - A diffusion plate includes a substrate. The substrate has a light entrance surface, and a light emitting surface facing away from the light entrance surface. The diffusion plate also includes a plurality of Fresnel lenses. The Fresnel lenses are formed at the light emitting surface, and an ultraviolet absorbent layer is formed at the light entrance surface. | 07-17-2014 |
20140211482 | ILLUMINATION DEVICE - An illumination device, includes a printed circuit board, a plurality of LED light sources mounted on the printed circuit board, a hollow supporting post covering the plurality of LED light sources, a reflective cup located above the supporting post, a first lens received in a bottom portion of the reflective cup and a second lens located at a top portion of the reflective cup. The supporting post is connected to the printed circuit board, and the first lens is connected to the supporting post. The reflective cup includes a bottom portion adjacent to the LED light sources and a top portion remote from the LED light sources. The printed circuit board, the reflective cup, the first lens and the second lens are combined as a whole by the supporting post. | 07-31-2014 |
20140313777 | LIGHT GUIDING PLATE AND BACKLIGHT MODULE USING SAME - A light guiding plate includes a bottom surface, a light emitting surface opposite to the bottom surface, and a light incident surface perpendicularly connected between the bottom surface and the light emitting surface. The light guiding plate defines a plurality of recesses in the light incident surface. Each recess includes a concave surface, and the concave surface is connected between the light emitting surface and the bottom surface. Each concave surface forms a smooth curve on the light emitting surface. A distance between two points of the smooth curve the same distance away from the light incident surface gradually decreases along a direction away from the light incident surface. | 10-23-2014 |
20140328081 | LIGHT GUIDE BAR AND LIGHT EMITTING DEVICE - A light guide bar includes a light guide member and a light scattering member. The light guide member defines a cutout. The light guide member includes a first end surface, a second end surface, and a circumferential surface interconnected between the first end surface and the second end surface. The cutout is defined in the circumferential surface and passes through the first end surface and the second end surface. The light scattering member is received in the cutout and scatters light back to the light guide member. The light scattering member and the light guide member cooperatively form a complete cylinder, and a thickness of the light scattering member is less than a radius of the light guide member. | 11-06-2014 |
20150036356 | OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME - A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident surface facing the light source, and a light emitting face opposite to the light incident face. The light emitted from the light source is entered into the optical lens from the light incident face, and exited from the light emitting face. A refractive index of the optical lens gradually decreases along a direction from the light incident face to the light emitting face of the optical lens. | 02-05-2015 |
20150078006 | LENS UNIT AND LED MODULE USING THE SAME - A lens unit includes a lens and a reflector hung to the lens. The lens includes a bottom face, a light incident face formed in the bottom face, a light emerging face opposite to the bottom face and a lateral face connecting the bottom face with the light emerging face. A wire extends through the light incident face and the light emerging face. A top end of the wire is attached on a block disposed on the light emerging face, a bottom end of the wire is attached to the reflector. An LED module incorporating the lens unit is also disclosed. | 03-19-2015 |
20150109796 | LENS AND LIGHT SOURCE MODULE WITH SAME - The present disclosure relates to a lens. The lens includes a bottom surface, a light input surface, a light output surface and reflective structure. The light input surface is a curved surface depressing from a center of the bottom 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 reflective structure is received in the light input surface. The reflective structure includes a plurality of globoid reflective units. The present disclosure also relates to a light source module with the lens. | 04-23-2015 |
20150184828 | OPTICAL LENS AND LIGHT SOURCE MODULE HAVING THE SAME - A light source module includes a light source and an optical lens facing the light source. The optical lens includes a light incident face facing the light source, a light emitting face opposite to the light incident face, and a connecting face connecting the light incident face and the light emitting face. The light emitting face comprises a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face. The top face of the light emitting face includes a center facet and a periphery facet surrounding and extending outwardly from the center facet. The center facet is recessed inwardly from a center of the top face of the light emitting face. | 07-02-2015 |