Abstract: A light source module provided includes a heat sink, a circuit board, a lamp shade, and a fixing member. The circuit board is provided with one side tightly attached to the heat sink, and the other side is provided with a plurality of light sources. The lamp shade is provided with a plurality of optical lenses, the plurality of the optical lenses are respectively formed by a plurality of recesses forming on a front surface of the lamp shade, and a plurality of arc protrusions corresponding to the plurality of the recess forming on a back surface of the lamp shade. The fixing member is configured to fix the lamp shade on the heat sink to receive the circuit board in a space defined by the lamp shade and heat sink. Further, a lighting apparatus is also provided.

Abstract: The disclosure relates to a vehicle headlight (20), for example a motor vehicle headlight, wherein the vehicle headlight comprises a light source assembly (11) and a primary optics (200A), for example a press-molded primary optics, for example a one-piece primary optics (200A), wherein the primary optics (200A) comprises at least one light tunnel (208) and a wedge-shaped light conducting part (209) having at least one light exit surface (209A), for example optically effective light exit surface (209A), wherein the light tunnel (208) comprises at least one light entrance surface (201), for example an optically effective light entrance surface (201), into which light generated by means of the light source assembly (11) can be irradiated, wherein the light tunnel (208) transitions into the light conducting part (209) at a bend (207), and wherein the vehicle headlight comprises a secondary optics (200B) with an optically effective light exit surface (202) for imaging a light exit surface (209A) of the primary opt

Abstract: An object is to provide a highly reliable display unit having a function of sensing light. The display unit includes a light-receiving device and a light-emitting device. The light-receiving device includes an active layer between a pair of electrodes. The light-emitting device includes a hole-injection layer, a light-emitting layer, and an electron-transport layer between a pair of electrodes. The light-receiving device and the light-emitting device share one of the electrodes, and may further share another common layer between the pair of electrodes. The hole-injection layer is in contact with an anode and contains a first compound and a second compound. The electron-transport property of the electron-transport layer is low; hence, the light-emitting layer is less likely to have excess electrons. Here, the first compound is the material having a property of accepting electrons from the second compound.

Abstract: Disclosed is a method for fabricating an optical component that is configured so as to generate on an illumination target in the near-field an illumination that has a determined pattern according to which each point (i) of the illumination target receives a quantity of light (alpha i) via an illumination generated by an illumination light source that is incident on the optical component, which is placed between the illuminating light source and the illumination target.

Abstract: A light emitting device includes: a base member having a first surface including a first region; a first electric terminal including a first pin hole, the first pin hole penetrating the base member along a thickness direction of the base member; a second electric terminal including a second pin hole, the second pin hole penetrating the base member along the thickness direction; a first frame provided on the base member and surrounding the first region; a plurality of light emitting elements provided on the base member in the first region; a light-transmissive first member provided inward of the first frame, and covering the plurality of light emitting elements; and a protective element positioned between the base member and the first frame in the thickness direction.

Abstract: An object is to provide a highly reliable display unit having a function of sensing light. The display unit includes a light-receiving device and a light-emitting device. The light-receiving device includes an active layer between a pair of electrodes. The light-emitting device includes a hole-injection layer, a light-emitting layer, and an electron-transport layer between a pair of electrodes. The light-receiving device and the light-emitting device share one of the electrodes, and may further share another common layer between the pair of electrodes. The hole-injection layer is in contact with an anode and contains a first compound and a second compound. The electron-transport property of the electron-transport layer is low; hence, the light-emitting layer is less likely to have excess electrons. Here, the first compound is the material having a property of accepting electrons from the second compound.

Abstract: A vehicle interior lighting device includes a light source which is installed at an end of an instrument panel of a vehicle. Light emitted from the light source propagates from the instrument panel toward a door panel, and is projected on a surface of a door trim of the door panel. A decorative pattern element is installed on a light emitting side of the light source. As light from the light source passes through the decorative pattern element, the light can create a pattern on a surface of the door trim. Because the light source is installed on the instrument panel spaced from the door trim rather than on the door trim itself, light can be projected on a large area of the door trim. Furthermore, an impressive feature of a decorative pattern which changes in accordance with a door opening angle can be achieved.

Abstract: A lens for dispersing light emitted from a light emitting device, the lens including a lower surface, a light incident portion having a concave shape from the lower surface, the light incident portion having a light incident surface, and a light exit portion through which light having entered the lens through the light incident portion exits the lens to an outside of the lens, in which the light incident surface includes at least one protruding light incident facet.

Abstract: A substrate support includes a top plate portion having a surface on which a substrate is placed; a light irradiation mechanism including light-emitting elements, disposed to face the substrate and heating the substrate using light from the light-emitting elements; a channel-forming member transmitting the light from the light-emitting elements and is bonded to a rear surface of the top plate portion so as to be interposed between the top plate portion and the light irradiation mechanism, and a temperature adjustment part for adjusting a temperature of the channel-forming member by using light having a wavelength absorbed by a light-transmitting material or the channel-forming member.

Abstract: An optical mouse operated with respect to an illuminated surface outside the optical mouse is provided. The optical mouse includes a light source configured to emit a light beam, and a light pipe including a first optical element and a second optical element. The light beam enters the light pipe through the first optical element, and then propagates in the light pipe from the first optical element to the second optical element without reflection, and then leaves the light pipe through the second optical element, and then illuminates the illuminated surface. The light pipe does not have any protrusion extending therefrom and attached to a front surface of the light source.

Abstract: Example embodiments relate to luminaire systems with converted movements. The luminaire system includes a first support. The luminaire system also includes a second support movable with respect to the first support. Additionally, the luminaire system includes a moving means configured for moving the second support relative to the first support in a movement plane substantially parallel to the first support. The moving means includes a rotatable element provided to one of the first support or second support and configured for rotating around a rotation axis perpendicular to the movement plane. The rotatable element includes a first conversion portion cooperating with a second conversion portion. The first and second conversion portion are configured for converting a rotational movement of the rotatable element into a movement of the second support with respect to the first support in said movement plane.

Abstract: An object is to provide a highly reliable display unit having a function of sensing light. The display unit includes a light-receiving device and a light-emitting device. The light-receiving device includes an active layer between a pair of electrodes. The light-emitting device includes a hole-injection layer, a light-emitting layer, and an electron-transport layer between a pair of electrodes. The light-receiving device and the light-emitting device share one of the electrodes, and may further share another common layer between the pair of electrodes. The hole-injection layer is in contact with an anode and contains a first compound and a second compound. The electron-transport property of the electron-transport layer is low; hence, the light-emitting layer is less likely to have excess electrons. Here, the first compound is the material having a property of accepting electrons from the second compound.

Abstract: A method of manufacturing an optical member includes: providing a conversion member and a holding member connected to the conversion member; removing a portion of the conversion member and a portion of the holding member to obtain a first surface of the conversion member and a second surface of the holding member; and heat-treating the first surface of the conversion member and the second surface of the holding member.

Abstract: A vehicle lamp includes a lamp housing, a carrier board, LEDs, and an optical unit. The lamp housing includes an accommodating space and an opening connecting the accommodating space. The carrier board is disposed in the accommodating space, and a front surface of the carrier board facing the opening. The LEDs are disposed on the front surface of the carrier board. The optical unit includes a light guide plate, light guide members and beam pattern adjusting structures. The light guide plate includes an upper surface and a lower surface, and the light guide plate covers the opening with the lower surface facing the carrier board. The light guide member protrudes on the lower surface, and each light guide member extends towards one LED. The beam pattern adjusting structures protrude on the upper surface, and each beam pattern adjusting structure is arranged to correspond at least one light guide member.

Abstract: An apparatus is disclosed including: a light source, a Fresnel lens, and a lens array. The Fresnel lens is disposed upstream from the light source to collimate light output by the light source. The lens array is disposed upstream from the Fresnel lens to mix collimated light that is output from the Fresnel lens. The lens array includes a plurality of optical elements arranged on a substrate. Each optical element includes a respective first planar surface arranged to face towards a different respective portion of the Fresnel lens and a second convex surface arranged to face away from the Fresnel lens.

Abstract: A luminaire includes a housing that defines a light output aperture, a backlight apparatus that emits light toward the light output aperture, and an optical sheet of light transmissive material. The optical sheet is adjacent the backlight apparatus and modifies the light before it leaves the light output aperture. The optical sheet forms a first surface and an opposite second surface. At least one of the first surface or the second surface of the optical sheet includes a first spatial region that includes elliptical diffusers oriented predominantly in a first direction, a second spatial region that includes elliptical diffusers oriented predominantly in a second direction that is different from the first direction, and a third spatial region that includes at least one type of optical microstructure selected from the group consisting of Fresnel lenses, v-groove lenses, v-cut lenses, pyramidal lenses, lenticular lenses, donut lenses and conical diffusers.

Abstract: The light source apparatus has: a light source unit including a plurality of semiconductor light source elements; a collimator including a plurality of collimator elements, each of the plural collimator elements being disposed on a light emission axis of each of the plural semiconductor light source elements; a polarization conversion element disposed on an emission side of the collimator; and a light guide disposed on an emission side of the polarization conversion element, the plural semiconductor light source elements and the plural collimator elements are arranged in a first direction orthogonal to the light emission axis, and the polarization conversion element extends in the first direction, and includes a polarizing beam splitter and a phase plate, which are arranged at symmetrical positions with respect to a plane formed by the first direction and a second direction corresponding to the light emission axis.

Abstract: Provided is a display that includes a liquid-crystal panel, a heat-transfer member, and a light-diffusion member between the liquid-crystal panel and the heat-transfer member. The display includes a liquid-crystal panel, a heat-transfer member, and a light-diffusion structure. The liquid-crystal panel includes a display screen. The heat-transfer member is light-transmissive. The heat-transfer member is on an opposite side of the liquid-crystal panel from the display screen.

Abstract: The present invention discloses a wide angle backlight lens which consists of lens mounting plate and lens body. Further, the upper outer surface of lens body is fixedly connected with the central position of the lower outer surface of lens mounting plate. Four sets of lens stands are installed near four corners of the upper outer surface of said lens mounting plate. Each set of said lens stands consists of two assembling stands. The luminous slot (4) is installed in the central position of the lower outer surface of said lens body (2) and lamp mounting slot (5) and reflective aperture (6) are installed in the central position of the upper outer surface of said lens mounting plate (1). A wide angle backlight lens described in the present invention is available for convergence and divergence of light rays according to actual needs, to improve the range of light diffusion and luminous intensity, hence realizing a higher uniformity of flares.

Abstract: A display device is disclosed. The display device includes display unit and a negative refractive index functional layer on the display unit. The negative refractive index functional layer has a negative refractive index with respect to light from the display unit. A method for fabricating the display device is also disclosed.

Abstract: A roadway fixture system includes a lighting fixture having an outer housing that holds one or more light devices. The outer housing includes an access door through which an interior of the lighting fixture is accessible. The system also includes a radio frequency (RF) transceiver configured to send and receive cellular communications. The RF transceiver includes a mounting plate that is sized and shaped to fit into a space occupied by the access door of the outer housing of the lighting fixture so that the RF transceiver is mounted to the lighting fixture.

Abstract: A vehicular interior lighting device includes a main body portion fixed to a roof, a first light source and a second light source accommodated in the main body portion, a light shielding cover portion covering the first and second light sources from below, a light guide member having a protruding portion protruding along the inside surface from a gap between the main body portion and the cover portion, and a condensing lens disposed between the second light source and the light guide member. The light guide member has a diffusion portion formed on a surface of the protruding portion facing downward and a reflecting portion reflecting light emitted from the second light source toward a part of the diffusion portion. The diffusion portion emits light in whole by light emitted from the first light source and partially emits light by light emitted from the second light source.

Abstract: In one or more embodiments, micro light guides are constructed that include a wall and one or more features extending from or protruding into one or more surfaces of the wall. The microstructure light guide is defined by a mold and formed as a single article with uniform internal stresses. In at least some embodiments, the mold that defines the microstructure light guide employs pixelated mold portions that enable selective temperature adjustment of discrete regions of the mold portions to form the microstructure light guide.

Abstract: An optical fingerprint detection apparatus and a display device are disclosed. The optical fingerprint detection apparatus includes: a light source; a touch panel including a first surface and a second surface, the first surface being provided with at least one touch area, the second surface being configured for receiving the light beam emitted from the light source and angled with respect to the first surface by an angle of less than 90 degrees; and a detection unit located outside of the side of the touch panel opposite to the first surface and configured for receiving the light beam reflected by the touch area and emitted from the touch panel and detecting an intensity distribution of the received light beam.

Abstract: A light assembly for a hand-held medical diagnostic instrument. The light assembly includes a substrate having a top surface and a bottom surface, a light source mounted to the top surface, and the bottom surface having first and second electrical terminals. The light assembly further includes a circuit board disposed inclined to the substrate, the circuit board having first and second electrical terminals, a first connector mounting and electrically connecting the first electrical terminal of the substrate to the first electrical terminal of the circuit board, a second connector mounting and electrically connecting the second electrical terminal of the substrate to the second electrical terminal of the circuit board, a heat sink, and a thermal conductor thermally connecting at least one of the first and second electrical terminals of the substrate to the heat sink.

Abstract: A lighting device capable of changing the light irradiation range includes a light emitting portion, and an optical member disposed in front of the light emitting portion. The optical member has a plurality of shapes such that two types of cylindrical concave surface having axial directions substantially perpendicular to each other are crossed each other. The plurality of shapes are formed in a central region of an entry surface through which light from the light emitting portion enters or a central region of an exit surface through which the light entering through the entry surface exits.

Abstract: The present disclosure discloses a light transmission device including a first prism layer. The first prism layer includes a plurality of first prism bars formed on a surface of the first prism layer facing away from the panel, and a plurality of reflective grooves formed on a surface of the first prism layer facing the panel. Each of the reflective grooves includes a plurality of reflective surfaces matching with prism surfaces of the first prism bars; the reflective surfaces reflect received light to corresponding prism surfaces; the prism surfaces of the first prism bars are configured to emit received light reflected from the corresponding reflective surfaces towards the panel in a first direction.

Abstract: An optical lens for a light source has an incidence surface receiving light rays emitted from a light source and an aspherical emitting surface optically coupled with the incidence surface for receiving light rays from the incidence surface and emitting light rays received from the incidence surface. The incidence surface defines a cavity for receiving the light source. An opaque or semi-opaque bottom surface adjoins the incidence surface and emitting surface. A lighting device has a substrate, a lighting source located on the substrate, and the optical lens located with the substrate and enclosing the lighting device. A strip light has an elongate substrate having light sources and respective lenses distributed longitudinally along the substrate. Such a strip light using the lens is suitable for lighting the interior of a commercial or domestic refrigerator, chillier cabinet, or other enclosure.

Abstract: The present disclosure includes an optical component including one or more textured surfaces configured to diffuse light incident thereto from within the optical component. The optical component includes textured surfaces at least along a top periphery of its body.

Abstract: A light emitting diode includes a first semiconductor layer, an active layer, a second semiconductor layer, a protective layer, and a cermet layer. The active layer is on the first semiconductor layer. The second semiconductor layer is on the active layer. the protective layer is located on the semiconductor layer. The cermet layer is located on the protective layer. A first electrode covers entire surface of the first semiconductor layer away from the active layer. A second electrode is electrically connected to the second semiconductor layer.

Abstract: A semiconductor structure includes a first semiconductor layer, an active layer, a second semiconductor layer, and a cermet layer stacked together. The active layer is on a surface of the first semiconductor layer. The second semiconductor layer is on a surface of the active layer away from the first semiconductor layer. The cermet layer is on a surface of the second semiconductor layer away from the first semiconductor layer.

Abstract: A light emitting diode includes a substrate, a buffer layer, a first semiconductor layer, an active layer, a second semiconductor layer, and a cermet layer. The active layer is on the first semiconductor layer. The second semiconductor layer is on the active layer. The cermet layer is on the second semiconductor layer. A first electrode is electrically connected to the first semiconductor layer. A second electrode is electrically connected to the second semiconductor layer.

Abstract: A light emitting diode includes a first semiconductor layer, an active layer, a second semiconductor layer, and a cermet layer. The active layer is on the first semiconductor layer. The second semiconductor layer is on the active layer. The cermet layer is on the second semiconductor layer. A first electrode covers entire surface of the first semiconductor layer away from the active layer. A second electrode is electrically connected to the second semiconductor layer.

Abstract: The illumination device includes: a case; a heat sink which has a bottom part in which an LED module is installed, a cylindrical wall part standing upright from the bottom part and disposed such that a clearance is created between the cylindrical wall part and an inner wall surface of the case, and an open end formed at the front end of the cylindrical wall part; a fan which is housed in the case; an air intake passage which guides to the fan, air introduced from the lateral side of the case into the case; and an air discharge passage which is formed along the outer surface of the bottom part and the outer wall surface of the cylindrical wall part in the heat sink and discharges the air sent from the fan from the front end side of the heat sink to the outside.

Abstract: An optical element includes a refractive index pattern that is periodically formed by a plurality of media having refractive indices different from each other. The highest diffraction order for a light beam of a first wavelength region that enters the optical element is greater than the highest diffraction order for a light beam of a second wavelength region that is longer than the first wavelength region, and the light beams of the first wavelength region and the second wavelength region are emitted so that each of the light beams of the first wavelength region and the second wavelength region is periodically localized.

Abstract: Variable index light extraction layers (100) that contain a plurality of microreplicated posts (120) are described. The variable index light extraction layers contain a plurality of microreplicated posts (120), a first region including a first lower-index substance (130) and a second region including a second higher-index substance (140). Optical films can use the variable index light extraction layers (100) in front lit or back lit display devices.

Abstract: Certain example embodiments of this invention relate to heatable glass substrates that may be used in connection with lighting applications, and/or methods of making the same. In certain example embodiments, a glass substrate supports an antireflective (AR) coating on a first major surface thereof, and a conductive coating on a second, opposite major surface thereof. Bus bars connect the conductive coating to a power source in certain example embodiments. The substrate may be heat treated (e.g., heat strengthened and/or thermally tempered), with one or both coatings thereon. The heatable glass substrate thus may help provide a chemical and/or environmental barrier for the luminaire or lighting system disposed behind it. In addition, or in the alternative, the heatable glass substrate may help reduce the amount of moisture (e.g., snow, rain, ice, fog, etc.) that otherwise could accumulate on the luminaire or lighting system.

Abstract: 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.

Abstract: A light fixture includes a housing with a channel configured to contain a driver for driving one or more light emitting diodes located outside the channel. The housing includes slots configured to receive and secure a lens. The light fixture further includes a removable channel cover, tabs located along the length of the channel and adjacent to the channel on the housing, and a lens bar having a first flange configured to secure the lens and a second flange configured to be inserted underneath the tabs. The lens bar is secured in place with the second flange underneath the tabs by the channel cover which prevents the lens bar from moving laterally with respect to the tabs. The slots, the first flange, and a flange running the length of the light fixture perpendicular to the slots are configured to cover the edges of the lens when installed.

Abstract: A circular symmetric optical element for redirecting light which is emitted by a light source through a wavelength converting element, wherein the emitted light have an average color cA and a wavelength distribution depending on an emission angle from the wavelength converting element. Light having the average color cA have an emission angle tA.

Abstract: Light directing films employing at least two layers forming a continuous corrugated boundary between major surfaces of the film. Light received by a major surface of the film is internally redirected by interacting with the facets of the corrugated inter-layer boundary and is emitted from the opposing major surface towards a new propagation direction which is different from the original propagation direction by up to 90 degrees. Light directing films may have additional layers and/or layer boundaries which may provide additional bend angles to light rays or otherwise diffuse the emitted beam.

Abstract: The exemplary embodiments of the present invention have a first refractive surface whose distance from a central axis gradually increasing as being distanced from a rear surface, and light from a light source can be effectively emitted from a first refractive surface to a lateral direction or an upper lateral direction.

Abstract: There is provided a luminescent light emitting device including a mirror layer, a luminescent material plate that is formed on one surface side of the mirror layer, and a conductive thin wire film in which a conductive thin wire is disposed and that lies on the other surface side of the mirror layer, in that luminescent light that is emitted by the luminescent material plate is emitted to the front that is one surface side of the luminescent material plate by the mirror layer, and damage done to the luminescent material plate is detected by a disconnection of the conductive thin wire.

Abstract: A light extraction product (1) for a semiconductor light emitting device is provided with a concavo-convex structure layer (11), provided with a concavo-convex structure (11a) on a surface thereof, having a first refractive index (n1) and a light extraction layer (12), provided on the convex portion of the concavo-convex structure (11a), having a second refractive index (n2), where in a first light extraction layer (12a) a distance Lcv between an average position Sh of tops of the convex-portions and a convex-portion upper interface average position Scv of the first light extraction layer (12a) meets equation (1) 10 nm?Lcv?5000 nm, in the concavo-convex structure (11a) a convex-portion average height H meets equation (2) 10 nm?H?5000 nm, an average pitch P meets equation (3) 50 nm?P?5000 nm, and the distance Lcv and the convex-portion average height H meet equation (4) 50 nm?Lcv+H?6000 nm.

Abstract: The present invention discloses a new LED lens and LCD backlight screen thereof. The said new LED lens includes base stand, the first protruding stand set on the base stand and the second protruding stand set on the first protruding stand; the side wall of the first protruding stand and the side wall of the second protruding stand constitute the exit surface, the side wall of the first protruding stand is outside-protruding curved surface structure; the top surface of the second protruding stand is reflective surface, and the reflective surface is conic concave structure; the bottom of the base stand is set the cylindrical hole for installing LED, and the surface of the cylindrical hole constitutes incidence surface. The present invention achieves the intention of acquiring the same brightness degree through reducing the projection distance by half compared to the present refractive optical lens with the same LED arrangement distance.

Abstract: LEDs having a low color temperature up to 5000 K, comprising a blue-emitting LED and, connected upstream thereof, two phosphors having a first phosphor from the class of the chliorosilicates and a second phosphor from the class of the nitridosilicates having the formula (Ca,Sr)2Si5N8:Eu.

Abstract: A lens assembly including a lens; a light absorber that does not transmit light with wavelengths from greater than or equal to about 250 nm to less than or equal to about 400 nm; a lens holder; and an adhesive configure to adhere the lens to the lens holder. The light absorber is positioned such that light having a wavelength from greater than or equal to about 190 nm to less than or equal to about 500 nm is not incident to the adhesive. A method including applying a light absorber, which does not transmit light with wavelengths from greater than or equal to about 190 nm to less than or equal to about 500 nm, to a lens; and configuring the light absorber and the adhesive so that the absorbed light is not incident to the adhesive.

Abstract: An organic light emitting device including a first substrate, a second substrate parallel to the first substrate, and an organic light emitting unit disposed between the first substrate and the second substrate is provided. The first substrate has a plurality of first light guiding microstructures. A distribution density of the first light guiding microstructures is in a range of 100 to 2000 pcs/mm, wherein the first light guiding microstructures are located inside the first substrate and a material of the first substrate includes a photosensitive material.

Abstract: A lens device and a light source module using the same are provided. The lens device comprises a lens and a patterned light shielding layer. The lens has a middle light emitting surface and a periphery light emitting surface surrounding the middle light emitting surface. The patterned light shielding layer is formed on the periphery light emitting surface of the lens.

Abstract: A light source apparatus includes a light source unit and an output unit. The light source unit includes at least one solid-state light source capable of outputting light in a predetermined wavelength range as output light. The output unit includes a light emitter and a base unit. The light emitter is excited by the output light from the light source unit and emits visible light with a wavelength different from a wavelength of the output light. The base unit is rotatable about a predetermined rotation axis and contains a crystalline member having a crystal axis direction set to a direction different from a direction orthogonal to an optical axis direction of the output light, the light emitter being supported in the optical axis direction. The output unit is capable of outputting combined light containing the light in the predetermined wavelength range and the visible light emitted from the light emitter.