Abstract: Disclosed is a light diffusing lens having a pointing angle distribution focused toward a lateral direction. The disclosed light diffusing lens includes a light entrance part having a concave shape formed inward from a lower part of the optical diffusing lens, a reflection part having a shape which is concave inward from an upper portion of the light diffusing lens and a light exit portion defined by an outer surface of the light diffusing lens, wherein the light entrance part has a first convex surface which is convex in an optical axial direction defined by a straight line passing through the center of the light diffusing lens as the straight line goes toward the inside of the light diffusing lens.

Abstract: A light flux controlling member includes a plurality of incident units and an emission unit. The incident unit includes an incidence surface and a reflection surface. At least a part of a side surface of the light flux controlling member is configured such that ?2 is smaller than ?1, where L is a line connecting a gravity center G1 of the light flux controlling member and a center G2 of the reflection surface, L1 is a line connecting a center P1 of a light-emitting surface of the light-emitting element and a point P2 on the side surface where light emitted from the center P1, L2 is a line along light emitted from the point P2 to outside, ?1 is an angle between L and L1, and ?2 is an angle between L2 and a line L? that is parallel to L.

Abstract: A light irradiation device includes a first reflective portion that is arranged at a concave inner surface formed so as to have a substantially arcuate shape and that permits wire-like member to be inserted into an interior thereof, at least one light-emitting portion that emits light in such fashion as to be directed toward the wire-like member from a direction which is circumferential with respect to the wire-like member, and a second reflective portion that is formed in planar fashion, at least a portion of the second reflective portion is arranged between an end of the first reflective portion and an end of the light-emitting portion in a direction circumferential with respect to the first reflective portion.

Abstract: A thin plastic light guide is formed to have cavities on one surface and TIR (total internal reflection) structures directly above the cavities. LEDs mounted on a printed circuit board are positioned hi the cavities. The cavity walls are shaped to refract the LED light and direct the LED light toward the TIR structures to most efficiently make use of the TIR structures. The TIR structures may have a cusp or cone shape. The top ceiling of the cavities may be shaped to direct light at the TIR structure so as to leak through the TIR structure and blend the light with light leaking through surrounding portions of the light guide. The LEDs may be distributed only near the edges of the light guide or over the entire back surface of the light guide. A diffuser sheet may be laminated over the light guide to further mix the light.

Abstract: A front vehicle body structure includes a windshield and a lighting body unit provided beside and along an end surface of the windshield in a vehicle width direction. The lighting body unit has a lighting body and an outer lens that is disposed along the end surface of the windshield and transmits light from the lighting body. A gap is provided between the windshield and the outer lens. The outer lens has a front surface portion facing a front side of a vehicle, and a side surface portion extending toward a rear side of the vehicle from an end of the front surface portion on the windshield side. A chamfered portion is provided at an outside corner portion formed by the front surface portion and the side surface portion.

Abstract: A thin plastic light guide is formed to have cavities on one surface and TIR (total internal reflection) structures directly above the cavities. LEDs mounted on a printed circuit board are positioned in the cavities. The cavity walls are shaped to refract the LED light and direct the LED light toward the TIR structures to most efficiently make use of the TIR structures. The TIR structures may have a cusp or cone shape. The top ceiling of the cavities may be shaped to direct light at the TIR structure so as to leak through the TIR structure and blend the light with light leaking through surrounding portions of the light guide. The LEDs may be distributed only near the edges of the light guide or over the entire back surface of the light guide. A diffuser sheet may be laminated over the light guide to further mix the light.

Abstract: A thin plastic light guide is formed to have cavities on one surface and TIR (total internal reflection) structures directly above the cavities. LEDs mounted on a printed circuit board are positioned in the cavities. The cavity walls are shaped to refract the LED light and direct the LED light toward the TIR structures to most efficiently make use of the TIR structures. The TIR structures may have a cusp or cone shape. The top ceiling of the cavities may be shaped to direct light at the TIR structure so as to leak through the TIR structure and blend the light with light leaking through surrounding portions of the light guide. The LEDs may be distributed only near the edges of the light guide or over the entire back surface of the light guide. A diffuser sheet may be laminated over the light guide to further mix the light.

Abstract: The embodiments of the invention provide a multi-focal collimating lens and a headlight assembly for an automotive low beam. The multi-focal collimating lens includes a central collimating lens portion and two total internal reflection lens portions arranged on a left side and a right side of the central collimating lens portion. The central collimating lens portion and the total internal reflection lens portions share two focal points symmetrically located on both sides of a vertical symmetry plane of the multi-focal collimating lens. An upper edge and a lower edge of the multi-focal collimating lens are formed based on the two focal points, so that the headlight assembly is able to generate a cut-off line of the automotive low beam in a far-field light pattern of the multi-focal collimating lens.

Abstract: A lens that spreads light from a point light source includes a light entry side having a first Fresnel structure, a light exit side having a second Fresnel structure different from the first Fresnel structure, a section plane located entirely between the first and second Fresnel structures so that the lens is flat, and a central axis as an optical axis perpendicular to the section plane, wherein a height of Fresnel rings of the first Fresnel structure, referred to the section plane, increases in the direction away from the central axis, the Fresnel rings of the first Fresnel structure each have an entry surface facing towards the central axis and a deflecting surface facing away from the central axis, and Fresnel rings of the second Fresnel structure each have a mirror surface facing towards the central axis and an exit surface facing away from the central axis.

Abstract: A bracket for mounting a cover to a lighting unit. The bracket includes a mounting portion and a supporting portion that are pivotally connected together. The mounting portion includes a support surface to contact against and support the cover. The supporting portion is movable relative to the mounting portion between an open position away from the mounting portion and a closed position in proximity to the mounting portion to support the cover over the lighting unit. A lock includes a first arm on the mounting portion and a second arm on the supporting portion. The first and second arms are positioned to engage together to secure the supporting portion in the closed position.

Abstract: A backlight module includes a supporting member, a light source, a light guiding film and a colloid. The supporting member has a base plate and an extension cover plate opposite to the base plate. The base plate and the extension cover plate form an accommodating portion and a clamping portion in between. The light source is located at the accommodating portion. The light guiding film is located on the base plate. An end of the light guiding film is located at the clamping portion. The base plate has an extension portion exposed from the light guiding film. The colloid is disposed on the extension portion.

Abstract: A thin plastic light guide is formed to have cavities on one surface and TIR (total internal reflection) structures directly above the cavities. LEDs mounted on a printed circuit board are positioned in the cavities. The cavity walls are shaped to refract the LED light and direct the LED light toward the TIR structures to most efficiently make use of the TIR structures. The TIR structures may have a cusp or cone shape. The top ceiling of the cavities may be shaped to direct light at the TIR structure so as to leak through the TIR structure and blend the light with light leaking through surrounding portions of the light guide. The LEDs may be distributed only near the edges of the light guide or over the entire back surface of the light guide. A diffuser sheet may be laminated over the light guide to further mix the light.

Abstract: A lighting apparatus may be provided for an interior trim piece of a motor vehicle. The lighting apparatus comprises a light guide strip, comprising at least one light-entry face and a light-exit face, which each extend along a longitudinal direction of the light guide strip, and at least two end sides, lying opposite one another and respectively adjoining the light-entry face or light-exit face. A plurality of point light sources are arranged at the light-entry face. Moreover, the light sources are arranged at an unchanging light source spacing from one another. Here, a boundary spacing between a respective end side and a light source arranged closest to the respective end side corresponds to at most half the light source spacing. Moreover, the light guide strip has, at least in portions, a boundary structuring for at least partial output coupling of light at the end sides.

Abstract: A motor vehicle lighting device including: a housing and an outer lens; a light source support in the housing; an optical element; a bearing member fixed to the housing, the optical element being gripped between the light source support and the bearing member; and at least one elastic element gripped between the bearing member and the optical element and configured to be elastically deformable in a direction from the bearing member toward the optical element.

Abstract: A display includes a reflective spatial light modulator and a frontlight formed from a film having a light mixing region positioned along the film between a light emitting region and an array of coupling lightguides. In one embodiment, the light mixing region of the film and an electrical display connector are folded behind an active display area of the reflective spatial light modulator such that a light source positioned on the electrical display connector emits light into the array of coupling lightguides. In one embodiment, the light source and the reflective spatial light modulator are electrically driven by electrical connections on the flexible electrical display connector.

Abstract: A retrofitting kit for retrofitting an existing troffer light fixture having a troffer housing includes an adaptor bracket and a door assembly. The adaptor bracket includes a channel configured to rest on a T-bar of a ceiling system, and further configured to be located between the T-bar and the troffer housing. The channel defines an aperture configured to accept either a hinge or a latch of the door assembly, and the channel defines a latch surface. The door assembly includes a hinge configured to interface with the adaptor bracket, a latch configured to engage the latch surface of the adaptor bracket to hold the door assembly in a closed position, a housing including the latch and the hinge, and a light source coupled to the housing.

Abstract: A field of view (FOV) extender may include prisms that direct light from an angle outside of an angle of view associated with a lens of camera, onto the image sensor of the camera, thereby piecewise extending the field of view of the camera beyond the unaltered angle of view of the camera. The prisms may be oriented to direct light around an outer region of the image sensor, which may generate signals use for motion detection purposes. Each prism may be spaced apart from an adjacent prism by a gap, which may create an alternating sequence of prisms and gaps. An inner region of the image sensor may capture imagery that may be suitable for output to a user.

Abstract: The instant disclosure illustrates a light distance-adjustable vehicle lamp including a lens unit, a light emitting group and a datum axis. The lens unit includes a first focus, a second focus, a lens focus and an optical axis. The light emitting group includes a first light emitting unit and a second light emitting unit. The first light emitting unit includes a first light source center, a first axis and a first light emitting surface, the first light emitting unit corresponds to the first focus of the lens unit. The second light emitting unit includes a second light source center, a second axis and a second light emitting focus. The datum axis passes through the lens focus and the second light emitting unit.

Abstract: Optical components for lighting devices and lighting devices including such components are described. In some embodiments the optical components are in the form of a lens that alter the distribution of light produced by a lighting fixture. In some embodiments, the lenses are in the form of a downlight to wallwash lens which, when placed in a downlight fixture, convert the light distribution to that of a wallwash fixture, e.g., causing the downlight to produce an off-axis light distribution, without changing the fixture. The lens includes a body with a light source facing side and an opposite room facing side having two optically active regions, each including structures that redirect a portion of light received through the light source facing side and incident thereon. The first region includes structures that redirect, via refraction, and the second region includes structures that redirect, in part via total internal reflection.

Abstract: A light guide (201) including a transparent element is presented. The transparent element includes a first surface (203) for acting as a light-ingress surface and a second surface (204) for acting as a light-egress surface. The second surface includes elevations (205) for directing a part of the light into directions sideward with respect to a direction in which another and greater part of the light exits the transparent element through the second surface. Each elevation is shaped to provide total internal reflection for a light beam on a first point of the surface of the elevation and refract the reflected light beam on a second point of the surface of the elevation so as to direct the light beam sideward. The sideward directed light enables an observer, who sees the light guide from a small viewing angle, to easily see whether the light is on or off.

Abstract: A commodity trailer for storage and transport of a commodity, and provided with a lighting system. The commodity trailer can include a tub in which the commodity is stored and transported, wherein the tub includes at least one wall that is sloped from a first elevation to an opening beneath the tub at a second elevation lower than the first elevation to funnel the commodity toward the opening, and wherein the opening has a plurality of sides; a frame extending along at least one side of the opening; and a lamp mounted to the frame, wherein the lamp is positioned and oriented to direct light upon an area beneath the opening into which commodity from the tub flows upon exiting the opening.

Abstract: A sunlight restricting member is disposed between a light emitting element and a lens. The sunlight restricting member is configured (i) to allow direct light from the light emitting element to be incident on the lens and (ii) to restrict sunlight from reaching, through the lens, at least one of the light emitting element and a light source support member.

Abstract: The light guide for an automobile lighting device having at least one coupler having at least two input faces arranged so that, when a light source is positioned at a predetermined point in relation to the coupler, for each of the input faces, all the rays from the source passing geometrically through the point and penetrating into the guide through the input face are refracted there in mutually parallel planes.

Abstract: A vehicle illumination apparatus includes at least one illumination light source and at least one light guiding lens. The illumination light source is capable of providing an illumination beam. The light guiding lens includes a first light transmissive surface, a second light transmissive surface opposite to and smaller than the first light transmissive surface, an inner surrounding surface, and an outer surrounding surface. The first light transmissive surface is capable of projecting the illumination beam out of the light guiding lens. The inner surrounding surface and the second light transmissive surface are connected to each other and define a containing space configured to accommodate the illumination light source. The outer surrounding surface is connected to the inner surrounding surface and the first light transmissive surface. Besides, the outer surrounding surface has at least one light condensing region and at least one light diverging region.

Abstract: In the case of a light module (1) for a vehicle headlight, wherein the light module (1) has a heat sink (2) and a plurality of lighting units secured on the heat sink (2), each of the lighting units comprising at least one light source (5), a light source carrier (4) and a reflector unit (6) secured to the light source carrier (4), at least one lighting unit with the light source carrier rests rotatably on a horizontal supporting surface (3) of the heat sink (2).

Abstract: A light projecting device of the present invention includes: a light source unit including (i) a laser element for emitting light, (ii) a light converging lens for converging the light emitted from the laser element, and (iii) a light emitting section for emitting light upon receipt of the light converged by the light converging lens; and a reflector for projecting light emitted from the light source unit. The light source unit is provided so as to be attached to or detached from a fixed part to which the light source unit is to be fixed.

Abstract: 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 an outer circumferential surface of the reflecting member. The optical lens includes a main portion and a protruding portion. The light emitting face includes a lateral face extending upwardly from the connecting face and a top surface of the protruding portion, and the top surface of the protruding portion is recessed inwardly towards and located above the light incident face. The reflecting member is conical, the reflecting member is invertedly located on the protruding portion, a tip of the reflecting member is inserted into an inside of the optical lens from the protruding portion, and the reflecting film faces the top surface of the protruding portion.

Abstract: A vehicular lamp includes a light source; and a light guide including a sub-light guiding part and a main light guiding part that are arranged adjacent to each other in a first direction. The sub-light guiding part extends in a second direction. The sub-light guiding part is configured such that light entering the sub-light guiding part from the light source is guided in the second direction and is emitted to the main light guiding part. The main light guiding part extends in a lamp front-rear direction and the second direction. The main light guiding part is configured such that the light that is emitted by the light source and enters the main light guiding part through the sub-light guiding part is internally reflected at a rear end face of the main light guiding part, and is emitted forward through a front end face of the main light guiding part.

Abstract: An illumination unit, can include first and second reflectors, and at least one light source module disposed between the first and second reflectors, wherein the second reflector includes at least one inclined surface including at least one inflection point, and at least one first flat surface disposed close to the at least one light source module and being parallel to the first reflector.

Abstract: An illumination unit, can include first and second reflectors, and at least one light source module disposed between the first and second reflectors, wherein the second reflector includes at least one inclined surface including at least one inflection point, and at least one first flat surface disposed close to the at least one light source module and being parallel to the first reflector.

Abstract: There is provided an illuminator comprising: a light source; and a lens sheet that is arranged on the optical axis of the light source and that has a plurality of prisms, wherein the light source is composed of: a luminous element; and phosphors that irradiate with lights emitted from the luminous element, and the lens sheet includes prisms that have focal distances each different from the prisms adjacent thereto.

Abstract: A phosphor device comprising a carrier member having upper and lower faces; a reflecting member having a side surface portion and a bottom portion, the reflecting member being arranged at the upper face of the carrier member; a phosphor layer being embedded in the reflecting member; a transmitting member having a first end face and a second end face, the transmitting member being arranged on the phosphor layer, wherein the first end face of the transmitting member completely covers the top portion of the phosphor layer.

Abstract: 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.

Abstract: 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.

Abstract: Disclosed is a light emitting apparatus. The light emitting apparatus includes a package body; first and second electrodes; a light emitting device electrically connected to the first and second electrodes and including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer between the first and second conductive semiconductor layers; and a lens supported on the package body and at least a part of the lens including a reflective structure. The package body includes a first cavity, one ends of the first and second electrodes are exposed in the first cavity and other ends of the first and second electrodes are exposed at lateral sides of the package body, and a second cavity is formed at a predetermined portion of the first electrode exposed in the first cavity.

Abstract: A beam-control member has a substantially cylindrical holder that is light-permeable, and a first beam-control member disposed on an end surface of the holder, the first beam-control member reflecting part of the light emitted from a light-emitting element and admitting part of the light. A guide protrusion and a tab are provided on the end surface of the holder. A concave portion corresponding to the tab is provided on an outer circumferential part of one surface of the first beam-control member. The first beam-control member is radially mated in a rotatable manner along the guide protrusion. Rotating the first beam-control member on the end surface of the holder so that the tab and the concave portion engage causes the first beam-control member to be secured on the end surface of the holder.

Abstract: In an illuminating device, when exiting lights come out from a lens sheet, the optical paths of the exiting lights are deflected in a direction opposite to an optical axis of a light source by means of a plurality of prisms which are included in a first lens group arranged on an inward side of the lens sheet located adjacent to the optical axis of the light source and each of which has a inclined face facing toward the optical axis of the light source, wherein the exiting lights from the light source via the first lens group of the lens sheet are adapted to mix with exiting lights from the light source via a second lens group located outside the first lens group, whereby the degree of color unevenness is reduced, that appears inherently when a pseudo white LED is used as the light source of the illuminating device.

Abstract: A reflective street light with wide divergence angle includes a light device having a light emitter and a total reflection lens. The light rays from the light emitter are reflected to two sides of the total reflection lens and then are refracted outwardly via the refraction surfaces at a maximum angle.

Abstract: Disclosed is an apparatus for an optical assembly for an end cap (30) of a lighting fixture (10). The optical assembly includes an outer lens (50) and an inner lens (40) interior of the outer lens (50). The end cap (30) may be coupled to a lighting fixture main housing (12) and configured to enable light from a light source (18) within the main housing (12) to enter the end cap (30), be directed through the inner lens (40), and out the outer lens (50).

Abstract: An LED illumination system includes a plurality of LED modules and a plurality of corresponding collimating lenses to provide increased brightness. Each LED module has at least one LED chip having a light emitting area that emits light and a recycling reflector. The reflector is positioned to reflect the light from the light emitting area back to the LED chip and has a transmissive aperture through which the emitted light exits. The collimating lenses are arranged to receive and collimate the light exiting from the LED modules.

Abstract: A method and system for providing an array of illumination modules is disclosed. A modular illumination system can comprise a one-dimensional array, a two-dimensional array, or other shapes and arrangements of the illumination modules. Adjacent illumination modules in the array can be attached to one another via a system of connectors. Each illumination module can comprise at least two connectors, one feeding electricity to a neighboring illumination module and one receiving electricity from a power source. The power source can comprise another neighboring illumination module or a power supply circuit that feeds the array of illumination modules or a subset of illumination modules in the array. Each illumination module can comprise a circuit board, at least one LED, and an optical system that manages light.

Abstract: A light engine that allows for customization and easy adjustability of various properties of the distributed light. The light engine includes an optic holder having threads that engage with threads of a mounting ring to allow a lower reflector and/or a diffuser lens to be replaced without removing the entire light engine from the installation. The light engine also includes an upper reflector that interfaces with the optic holder so that the upper reflector also can be easily replaced without removing the entire light engine from the installation.

Abstract: A lighting component having an optic is provided. The optic includes a body formed from a plurality of partial elliptical bodies. Each partial elliptical body is substantially elliptical about a source focal point and a common focal point. Each source focal point for the partial elliptical bodies is disparately located and each common focal point for the plurality of partial elliptical bodies is collocated. The body of the optic has a common outlet proximate the common focal point and a plurality of source inlets where each source inlet of the plurality of source inlets is proximate the source focal point for a corresponding one of the plurality of partial elliptical tubes.

Abstract: A luminaire including a light engine having a light source and a housing and a light-diffusing attachment that includes a frame secured to the housing of the light engine, a refracting lens supported by the frame, and a diffuser supported by the frame.

Abstract: A hybrid light fixture housing comprising a roll formed or press fabricated metal housing substrate having ceiling interface side members formed from aluminum extrusion processes attached thereto. The ceiling interface side members may comprise a single extruded clip member configured to clip around the ends of the sidewalls of the housing substrate or a first backing bar piece secured to the housing substrate and a second ceiling trim member secured to the housing substrate and the backing bar.

Abstract: The present invention relates to luminaires and, in particular, to luminaires comprising light emitting diodes. In one embodiment, the present invention provides a luminaire comprising at least one light emitting diode, a reflector offset from the centerline of the luminaire and a collimator adapted to direct light from the least one light emitting diode along an axis offset from the vertical axis of the light emitting diode.

Abstract: A light emitting diode (LED) lens comprises a light incident surface on a bottom surface of the LED lens facing a light source. A light exit surface, having a size greater than the bottom surface, is defined by a top surface of the LED lens. A planar portion, emitting light incident through the light incident surface, is in a central region of the light exit surface. At least one protrusion portion, protruding to be stepped with respect to the planar portion, is in a region of the light exit surface except for the central region. A reflective surface, defined by lateral surfaces of the LED lens between the top surface of the LED lens and the bottom surface thereof, guides the light incident through the light incident surface, and contacts a lower portion of the light exit surface corresponding to a boundary between the protrusion and the planar portions.

Abstract: A light guide (201) including a transparent element is presented. The transparent element includes a first end (203) including a place for a light source, a second end (204) opposite the first end, an outer surface (205) between the first and second ends, and an interior channel (206) extending from the first end to the second end. The interior channel includes a first portion (207) beginning from the first end and a second portion (208) extending to the second end. The first portion is shaped to guide at least part of light falling to its wall into the transparent material and the outer surface provides total reflection for reflecting the light towards the second end. The second portion is shaped so that light passed through the first portion without falling to a wall of the first portion reaches the second end without falling to a wall of the second portion.

Abstract: LED “Chip-on-Board” (COB) metal core printed circuit board (PCB) technology operates in conjunction with high efficiency compact imaging and non-imaging optics to provide a compact emergency light offering high performance luminance levels (higher brightness) and enhanced life, at low cost. Thermal impedance between the LED junction and the heat sink is significantly reduced for COB technology by placing the LED die directly on a high thermal conductivity material substrate thereby increasing temperature dependant life and thermally dependant output power. Additionally, there is no encapsulant or domed optic over the LED thus making it possible to get a much more compact and efficient substantially Etendue preserving collection optic directly over the die.

Abstract: A light-directing apparatus for off-axial preferential-side distribution of light from a light emitter having an emitter axis. The light-directing apparatus includes a shield member within a lens member positioned over the light emitter. The lens member has an outer surface and an inner surface defining an emitter void and a shield-receiving void which is on a non-preferential side of the lens member. The shield-receiving void is different in configuration than the emitter void. The shield member is in the shield-receiving void in position in the path of light emitted toward the non-preferential side.