Abstract: The invention relates to a warning lamp structure, includes a lamp holder, having a receiving slot disposed therein, a circuit board accommodated in the receiving slot, and a lamp cover made of silicone material correspondingly covering an opening of the receiving slot of the lamp holder, wherein the circuit board has a plurality of light-emitting elements arranged thereon. Therefore, the use of silicone materials is to maintain the accuracy of the light projection of the light-emitting elements, and when the vehicle accidentally collides with other vehicles or a wall of a building while driving, and the lamp cover is impacted by the collision, since the lamp cover is made of silicone rubber and other elastomers, and has the characteristics of UV resistance and crack resistance, the lamp cover can therefore be prevented from being broken and damaged.

Abstract: There is provided a collimator lens capable of adjusting a reflection angle of fluorescence with high accuracy and emitting the fluorescence with high efficiency. Provided is a collimator lens including an aperture, a reflecting portion, and a condensing portion, in which the reflecting portion formed on an inner peripheral surface reflects, to the condensing portion, light emitted from the condensing portion, and the light collected at the condensing portion is emitted toward the aperture or the reflecting portion. Furthermore, there is provided a light source device including the collimator lens, an excitation optical system, and a phosphor.

Abstract: An adapter bracket for a motorcycle headlamp is shown and described. The adapter bracket generally includes an annular ring having an open interior defined by an interior circumference, an exterior circumference, a top surface and a bottom surface, a plurality of indexing apertures disposed around the interior circumference, and a plurality of clamping tabs disposed around the exterior circumference. The adapter bracket further includes a plurality of ears attached to the annular ring, the ears having a slot for receiving a threaded anti-vibration bushing. The adapter bracket also includes a headlight aiming riser. A headlamp is disposed in the open interior of the annular ring and the annular ring is secured by the clamping tabs to a retaining ring and the annular ring, the headlamp, and the retaining ring are secured to a main bracket by fasteners that engage with the threaded anti-vibration bushings.

Abstract: A light-emitting device includes a board, a light-emitting element mounted on a surface of the board, a support member on which the board is placed, and a cover having a plate shaped main cover body covering the light-emitting element and a tubular portion which receives a light guide body that guides light emitted from the light-emitting element. The main cover body includes a base, a protrusion protruding from the base toward the board, and a ridge disposed on a protruded end of the protrusion. A step is formed by the protrusion and the ridge, and the protrusion and the ridge extend in a same direction along the base.

Abstract: The lamp component includes a light orienting element having a light incident end, a light output end opposite the light incident end, and a side surface extending between the light incident and light output ends; and a housing configured to position the light orienting element adjacent a light source. The housing is at least partially translucent, and includes at least one sidewall and a main wall facing the light output end. The light orienting element is configured to deflect a fraction of the incident light towards the light output surface to be projected through the main wall as to direct light, and a fraction of the light towards the at least one housing sidewall to be projected as indirect light. The light orienting element is a first part formed by extrusion in a first direction, and the housing is a second part formed by extrusion in a first direction.

Abstract: A medical imaging device having a bore 104 for receiving a patient during a medical imaging process and a ventilation channel 216 having an opening within the upper circumference of the bore for supplying cool air into the bore. At least one lighting circuit 210 with one or more LEDs is positioned within the ventilation channel 216 and is configured to illuminate the entire length of the bore 104. Air supplied from the ventilation channel 216 cools the lighting circuit 210 and prevents overheating effects within the lighting circuit that are caused by fields generated during the medical imaging process. The lighting circuit 210 comprises one or more filters, wherein the resonance frequency of the medical imaging device is within the stopband of the filters.

Abstract: A light fixture includes a housing, a light source, and a zoom mechanism. The light source is supported within the housing and emits light. The zoom mechanism selectively varies a beam angle of the light emitted from the light fixture and includes a lens and a movable element. The lens is fixed relative to the light source. The movable element is movable relative to the lens between a first position and a second position. The lens reflects a portion of the light emitted by the light source via internal reflection when the movable element is in the first position. The movable element is closer to at least a portion of the lens when the movable element is in the second position to at least partially frustrate the internal reflection.

Abstract: The disclosure provides a microstructure for dual view display and an optical film and a liquid crystal display module using the same. The microstructure for dual view display includes a substrate; a left peak and a right peak formed on the substrate, wherein the left peak and the right peak exhibit right-and-left symmetry, the tip of the left peak is inclined in a direction away from the tip of the right peak relative to the bottom of the left peak, and the tip of the right peak is inclined in a direction away from the tip of the left peak relative to the bottom of the right peak, the left peak has a reflecting surface on a side of the tip of the left peak which is close to the right peak and a light-emerging surface on a side of the tip of left peak which is away from the right peak, and the right peak has a reflecting surface on a side of the tip of the right peak which is close to the left peak and a light-emerging surface on a side of the tip of right peak which is away from the left peak.

Abstract: A vehicle lamp system, a vehicle lamp, and a method for manufacturing a vehicle lamp system relating to the technical field of automobile lamps/lighting are provided. In one implementation, the vehicle lamp system may comprise a light reflective element and at least one light source, with the light source(s) disposed opposite to the light reflective element, wherein the light reflective element is configured to reflect light emitted from the light source in a diffuse manner to achieve uniform illumination. Vehicle lamp systems and the vehicle lamps provided in accordance with the disclosed technology may possess the advantage of better light uniformity.

Abstract: A light emitting apparatus comprises a substrate, a plurality of light-emitting diodes provided on the substrate and arranged in a matrix, and a dome-type window provided above the light-emitting diodes to control the path of light emitted from the light-emitting diodes. The height of the window is 70% or less of the diameter of the lower portion of the window so that the view angle of the light emitted from the light-emitting diodes is 90 degrees or less.

Abstract: An illumination lens includes an incident face (510), being provided in a recessed manner in a bottom apex part of the lens body (51), and receiving light from the light source (41); a reflection face (520) on the inner side of an outer periphery of the lens body (51), totally reflecting the light, having reached from the incident face (510); and an emission face (530) at the upper end of the lens body (51), emitting the light, having reached from the incident face (510) and the reflection face (520), to the outside, and the incident face (510) distributes the light, which could be directed toward the entire region of the reflection face (520), only in a predetermined range (521) within the reflection face, being adjacent to the upper end side portion, following the emission face (530), and being closer to the bottom apex part.

Abstract: A light emitting device has a light emitter defining an optical axis; and a luminous flux control member with an incident surface in a back surface and intersecting the optical axis, a reflection surface opposite the back surface, an emission surface connecting the back surface to the reflection surface, and a first recessed portion formed on the back surface farther from the optical axis than the incident surface and having a first inclined surface closer to the reflection surface with increasing distance from the optical axis, a front end of the first inclined surface such that a substantial portion of light emitted from the center region of the light emitter and reflected by the reflection surface do not strike the first inclined surface, and such that a substantial portion of light emitted from the light emitter and not reflected by the reflection surface strikes the first inclined surface.

Abstract: A downlight apparatus has a tube body, a driver plate, a light source plate, a detachable attaching structure and a set of replaceable reflective cups. The tube body has an opening and a terminal portion opposite to the opening. The driver plate is disposed on an exterior surface of the terminal portion of the tube body. The light source plate is disposed on an interior surface of the terminal portion of the tube body. The detachable attaching structure is disposed in the opening of the tube body. One of the replaceable reflective cups is selectively detachably attached to the detachable attaching structure.

Abstract: There is provided a light emitting apparatus, including a plurality of light emitting elements having biased light properties; and a mounting substrate where the light emitting elements are arranged such that the biased light properties are complemented within a group including at least two light emitting elements among a plurality of the light emitting elements. Also, there are provided a light emitting unit, a display apparatus, an electronic device and a light emitting element using a plurality of point light sources.

Abstract: A lighting apparatus and system which employs LED boards as a light source, as well as diffusers for casting light toward workspaces and other areas of interest. The apparatus is modular to permit the system to be adaptively configured in a wide variety of arrangements. An apparatus module has a housing assembly mounting a direct light LED board, a diffuser, and a hub connecting the housing assembly to the diffuser and holding the diffuser and housing assembly in spaced-apart relation. By the apparatus, the direct light LED board projects light from the housing assembly and across a separation distance toward the diffuser. The diffuser receives the direct light and diffuses the direct light from the module. Light originates in the housing assembly, is transmitted to the diffuser, and the diffused light is then projected from the module for illuminating the surrounding environment.

Abstract: An optical member and a display device, the optical member including a light guide plate; a low refractive index layer disposed on a top surface of the light guide plate; a first optical pattern layer disposed on a bottom surface of the light guide plate; and a second optical pattern layer disposed to cover a light-incident surface of the light guide plate. The second optical pattern layer includes a focusing lens structure.

Abstract: An optical lens adapted to be disposed on a transmission path of a light beam is provided. The optical lens includes a plurality of lenticular lens units extending along the same direction, and the lenticular lens units are disposed side by side along a direction perpendicular to the extension direction thereof, wherein each of the lenticular lens units has a height relative to a bottom surface of the optical lens, adjacent two of the lenticular lens units have a height difference D therebetween, and the optical lens satisfies D ? 2 ? ln ? ( 2 ) ? ? ? n ? ? 2 ?? , wherein n represents a refractive index of the optical lens, ? represents a central wavelength of the light beam, and ?? represents a spectral bandwidth of the light beam. In addition, an optical system and a method of manufacturing an optical lens are also mentioned.

Abstract: This luminous flux control member has: a plane of incidence having a first incidence plane and a second incidence plane; an emission plane; and a second concavity. The luminous flux control member satisfies the expression h1<h2+d×cot(?1+?2), where h1 is the space between the apex of the second concavity and a second imaginary line orthogonal to the center axis and that passes through the aperture edge portion, h2 is the space between the second imaginary line and the incidence position of light on the second incidence plane, d is the distance between the incidence position and the apex in the direction orthogonal to the center axis, ?1 is the angle of refraction of light in the incidence position, and ?2 is the angle of the tangent line at the incidence position in relation to the second imaginary line.

Abstract: The invention provides an optical film assembly, a backlight module, and a display device. The backlight module includes a light source emitting at least a first light, a first optical film, and a second optical film laminated to the first optical film, wherein the first optical film includes a base film and a functional layer stacking up to the base film, the functional layer is a diffusion film, a brightness enhancement film, a reflection film, or a prism film, the second optical film is a light conversion layer, the light conversion layer receives the first light and converts the first light to a second light to emit, such that a light emission angle of the backlight module matches a requirement of wide viewing angle. The invention could broaden the light emitting angle of the backlight module to make the display device with the backlight module achieve wide viewing angle.

Abstract: A light diffuser assembly for a light bulb fixture can include a retaining member and a diffuser member. The retaining member can include a collar and a plurality of arms. The collar can be configured to be pushed over a socket of the light bulb fixture. Each of the plurality of arms can extend away from the collar and from a central axis to a respective distal end and include a tab at the respective distal end. The diffuser member can include an annular lip that is received by each of the plurality of tabs. The retaining member can also include first and second grips. The first and second grips are graspable and moveable closer together to deform the collar and tighten the collar about the socket of the light bulb fixture.

Abstract: The present application discloses a light pipe assembly having a light pipe with a proximal end, an opposing distal end, a length between the proximal end and the distal end, and a surface, the surface having an emitting portion and an overlay portion, where the light pipe is a material capable of transmitting light with a first refractive index; and a reflective secondary surface having a second refractive index and a width, the reflective secondary surface positioned adjacent the overlay portion of the light pipe, where the first refractive index is greater than the refractive index of air, and the second refractive index is greater than the first refractive index. In at least one embodiment, the reflective secondary surface is a non-metallic material capable of reflecting light. In at least one embodiment, the width of the reflective secondary surface varies along the length of the light pipe.

Abstract: A light-emitting element disclosed according to an embodiment may comprise: a substrate comprising a body, a plurality of lead electrodes arranged over the body in a first axial direction, and a heat-radiating frame and a plurality of lead frames arranged below the body in a second axial direction; and a light-emitting chip arranged on a first lead electrode, which is arranged in the central area of the body among the plurality of lead electrodes, and electrically connected with the plurality of lead electrodes. The plurality of lead electrodes have a large length in the second axial direction, the heat-radiating frame is arranged in the central area below the body, and the heat-radiating frame and the plurality of lead frames have a large length in the first axial direction and may vertically overlap with the plurality of lead electrodes.

Abstract: An inner lens for a light module includes a first plurality of clips positioned on a lower surface of the inner lens configured to engage with a corresponding first plurality of protrusions of a light frame module; and a second plurality of clips positioned on an upper surface of the inner lens configured to engage with a corresponding second plurality of protrusions of the light frame module. The inner lens is configured to be mounted to the light frame module from a rear side of the light frame module.

Abstract: A lighting apparatus is provided with a first housing assembly formed from a thermally conductive material and a second housing assembly formed of a thermally conductive material. At least one electrical component is positioned within the first housing assembly and the at least one electrical component is in thermally conductive contact with the first housing assembly. At least one light source is in thermally conductive contact with the second housing assembly. The second housing assembly is not in thermally conductive contact with the first housing assembly, such that thermal energy from the first housing assembly does not directly transfer to the second housing assembly.

Abstract: In a vehicle lamp device, light emitted by a LED enters a concentration element of a lens and is irradiated from an irradiating face of the concentration element. The reflecting face of the concentration element surrounds a central axis of the concentration element. Light that enters the concentration element is reflected by the reflecting face toward a central axis side of the concentration element, and light reflected by the reflecting face is irradiated from the irradiating face. The concentration element is thus able to efficiently concentrate light emitted by the LED.

Abstract: A backlight unit includes: a light source which generates light; a light guide plate which receives the light from the light source and guides the light to a display panel which displays an image with the light, the light guide plate including a light incident side surface to which the light from the light source is incident, and an opposing side surface which opposes said light incident side surface; and a reflection member disposed facing the opposing side surface of the light guide plate. Along a length of the opposing side surface of the light guide plate, the reflection member facing the opposing side surface includes at least two reflective portions having different reflectances from each other.

Abstract: A backlight unit and a display device includes a light source which generates light used by a display panel to display an image; and a light guide plate which receives the light from the light source and emits the light through a light emission surface thereof. The light guide plate includes: a base layer; a light transmitting layer on the base layer and defining the light emission surface of the light guide plate; and a light transmitting particle provided in plurality between the base layer and the light transmitting layer. The light transmitting particle has a refractive index higher than a refractive index of the light transmitting layer.

Abstract: An electrically powered flame simulator comprises at least two light sources, an integrated circuit electrically connected to the light sources for intermittently illuminating at least one of the light sources independently of other light sources such that the light sources together provide the effect of a flickering movement, and a power source for providing power to the integrated circuit. The flame simulator may be mounted in a decorative or ornamental device such as a candle or fire log, or used on decorative clothing, or may be part of a hazard or warning system. One or more solid state light sources may also be used.

Abstract: A light flux controlling member that controls the light distribution of light emitted from a light emitting element is provided. This light flux controlling member has: an incidence surface constituted by an inner surface of a first concavity formed on a rear side of the light flux controlling member; an emission surface from which light incident on the incidence surface is emitted to the outside; and a second concavity formed on the rear side. The second concavity has a first inclined surface and a second inclined surface both inclined with respect to an imaginary straight line perpendicular to a central axis. The second inclined surface is formed in a region closer to the central axis than the first inclined surface. The first inclined surface is inclined at an angle reflecting at least part of incident light at the incidence surface and then Fresnel reflected at the emission surface.

Abstract: The present invention relates to a backlight unit of a display device. The backlight unit is structured to have no light guide plate, and can include a reflecting plate, which is arranged on the inner surface of a cover bottom, and which has a sloping surface, and a light-collecting lens, which collects light from an edge light source portion. A light-absorbing pattern is arranged on at least one of an optical sheet, a diffuser plate, and the reflecting plate using such a configuration that the density of arrangement of the light-absorbing pattern is largest on a light-input portion and decreases towards an anti-light-input portion, or using such a configuration that the light-absorbing pattern is formed only on a flat surface of the reflecting plate, near the light-input portion, thereby providing uniform light throughout the entire display panel.

Abstract: A wireless power receiver capable of receiving wireless power from close-coupled and mid-range wireless power supplies. The wireless power receiver includes a principal and supplemental receiver circuits. The principle receiver circuit is adjustable to operate in a close-coupled mode or a resonator mode. In close-coupled mode, the principle receiver circuit is coupled to the power input of a remote device and functions as the principle power source. In resonator-mode, the principle power circuit is electrically disconnected/isolated from the remote device and forms a closed resonant loop to function as a resonator that amplifies an electromagnetic field from a mid-range wireless power supply. The supplemental receiver circuit is coupled to the power input of the remote device and is configured to receive wireless power from the resonator and function as the power source when the principle receiver circuit is in the resonator mode.

Abstract: A lighting module includes a lampshade and a base plate unit. The lampshade includes a top annular wall, and outer and inner surrounding walls extending downwardly from the top wall and spaced apart from each other. The top annular wall and the outer and inner surrounding walls cooperatively define an accommodating space. The base plate unit includes an annular base plate connected to bottom ends of the outer and inner surrounding walls, and an electrical connector connected to the annular base plate. A light plate unit is disposed in the accommodating space, and includes a light plate body disposed on the annular base plate and electrically coupled to the electrical connector, and light emitters disposed on the light plate body.

Abstract: A light source, for example a light emitting diode, can emit light and have an associated optical axis. The source can be deployed in applications where it is desirable to have illumination biased laterally relative to the optical axis, such as in a street luminaire where directing light towards a street is beneficial. The source can be coupled to an optic that comprises a cavity. At least a portion of the cavity can have an outline that is egg-shaped in cross section. A backside of the cavity (or a backside portion of the optic) can have an irregular shape for receiving the light emitting diode, for example to form a receptacle shaped to fit a circuit.

Abstract: The present disclosure relates generally to an omnidirectional light optic. In one embodiment, the omnidirectional light includes a plurality of reflectors, wherein each one of the plurality of reflectors comprises at least two reflective sides, wherein each one of the at least two reflective sides has an associated optical axis, wherein each respective optical axis of the at least two reflective sides is located on a common horizontal plane and each one of the at least two reflective sides comprises a curved concave cross-section, a plurality of LEDs, wherein each one of the plurality of reflectors is associated with at least one of the plurality of LEDs and at least one blocking band member with at least one edge that blocks light emitted by the plurality of LEDs at common horizontal angles.

Abstract: A lamp includes: first and second semiconductor light-emitting elements adapted to emit excitation light; a wavelength conversion element adapted to convert the excitation light into light having a peak wavelength different from that of the excitation light; and a concave mirror adapted to reflect the excitation light emitted from the semiconductor light-emitting elements to the wavelength conversion element and reflect the light from the wavelength conversion element toward an outside of the lamp. A distance y1 from an optical axis of the first semiconductor light-emitting element to an optical axis of the concave mirror satisfies (D+Dphos)/2?y1?4f, and a distance y2 from an optical axis of the second semiconductor light-emitting element to the optical axis of the concave mirror satisfies 4f<y2?R.

Abstract: An optical system includes a light source emitting light, a collimating structure to substantially collimate the light, and a converter unit to receive the substantially collimated light having an area illuminating a first aspect ratio and outputting light having an area illuminating a second aspect ratio, the second aspect ratio greater than the first aspect ratio by at least a factor of four, and a backlight light guide to receive the light from the converter unit.

Abstract: A light source module is provided. At least one light-emitting device emits light and is disposed beside the light guide plate. A light guide plate includes a first surface, a second surface being opposite to the first surface and a light-entering surface connecting the first surface with the second surface. At least one first light guide end, which is located in front of the light-emitting device, and at least one second light guide end, which is connected to the first light guide end, are located on a side of the light guide plate where the light-entering surface is located. A first light-transmitting medium at least located at the first light guide end on the first surface has a refractive index which is larger then a refractive index of a medium or space located at the second light guide end on the first surface. A display device is also provided.

Abstract: A device for attenuating electromagnetic disturbances given off by at least one electronic component, arranged on a printed circuit board mounted on a first face of a board support and bearing at least one light-emitting diode driven by the at least one electronic component for the emission of light rays. A containment cage is arranged around at least the electronic component, it is formed partially by walls made of a piece with the first face and on which the printed circuit board rests, so as to delimit a wave containment zone. The containment zone has an opening, in a first direction, suitable for being blocked or not by a closure piece distinct from the walls. The invention further relates to a light module equipped with such a device, and a motor vehicle comprising a light module according to the invention.

Abstract: In a liquid crystal display device capable of performing image display while keeping a background in a transparent state, field-sequential driving is performed without causing color mixing. A backlight (700) is configured by upper-side LEDs (71U) and lower-side LEDs (71D) that are provided respectively in an upper side and a lower side of a liquid crystal panel (800), and an upper-side light guide plate (72U) and a lower-side light guide plate (72D) for guiding emission light respectively from the upper-side LEDs (71U) and the lower-side LEDs (71D) to the liquid crystal panel (800).

Abstract: A corner light assembly for an emergency vehicle. The light assembly comprises a first side crown section configured to extend laterally along at least a portion of a first side of a body of the emergency vehicle, a second side crown section configured to extend laterally along at least a portion of a second side of the body of the emergency vehicle, and a central crown section positioned between the first and second crown sections. The light assembly additionally comprises at least one light element including a light source, secured to an exterior surface of one of the first side, second side, or central crown sections, as well as a securing material for securing the light element to the first side, second side, or central crown sections, with the securing material configured to secure the light element to sections without puncturing the body of the emergency vehicle.

Abstract: A solid-state luminaire module includes one or more light-emitting elements (LEEs) and a light guide. The light guide includes a receiving end and an opposing end, the receiving end being arranged to receive the light provided by the LEEs; a pair of opposing side surfaces, extending along a length of the light guide between the receiving end and the opposing end, to guide the received light in a forward direction; and a plurality of redirecting interfaces spaced apart from each other and distributed along a portion of the length of the light guide adjacent the opposing end. The redirecting interfaces are configured to reflect a portion of the guided light in a backward direction as return light, such that the return light can transmit through the pair of opposing side surfaces into the ambient as output light of the luminaire module, the output light to propagate in backward directions.

Abstract: A front light guide includes a light guide plate, a light source, a functional material layer and a first adhesive layer. The light guide plate has a side surface, a first surface and a second surface opposite to the first surface. The light guide plate has a first refractive index. The light source faces the side surface and configured to emit light into the light guide plate. The functional material layer is disposed at a side adjacent to the first surface, and has a third refractive index. The first adhesive layer is interposed between the light guide plate and the functional material layer so as to adhere the light guide plate with the functional material layer. The first adhesive layer has a second refractive index. The first refractive index is greater than the second refractive index, and the second refractive index is greater than the third refractive index.

Abstract: An LED assembly that includes optics and optical arrangements for light emitting diodes (LEDs). In some embodiments, a reflector is provided within a void between the lens and the LED. This reflector can reflect light emitted by the LED in a non-preferred direction back toward the preferred direction. In other embodiments, an optical element is formed or otherwise provided in the lens cavity and shaped so that, when the lens is positioned above the LED, the refractor bends the emitted light in a preferred direction. In some embodiments, both a reflector and optical element are provided in the LED assembly to control the directionality of the emitted light. Such embodiments of the invention can be used to increase the efficiency of an LED by ensuring that generated light is being directed to the target area of choice.

Abstract: Disclosed is a light-emitting diode (LED) lighting apparatus having a multifunctional heat sink flange, which includes an LED board on which a transmitted light cap and a plurality of LEDs are mounted, a main heat sink formed of magnesium or an magnesium alloy, an auxiliary heat sink formed of a conductive/polymeric resin material for heat dissipation, a heat sink upper case formed of a conductive/polymeric resin material for heat dissipation, and a power supply. The main heat sink includes multiple streamlined heat sink segments that are integrally formed on an outer surface thereof so as to radially protrude to allow air to flow in all directions, and a heat sink flange formed along an outer circumference of a bottom thereof such that omega-shaped wings having enclosed holes and inverse omega-shaped open holes are alternately formed.

Abstract: In a rear combination lamp for a vehicle in which a tail lamp light source and a stop lamp light source are covered from the rear of the vehicle with an outer lens, the tail lamp light source and the stop lamp light source are covered with a first inner lens, and a second inner lens that is subjected to processing so as to have a lower light transmittance than that of the first inner lens and so that diffused light is formed for covering the first inner lens from the rear of the vehicle in a region in which at least the first inner lens and the tail lamp light source overlap when viewed from the rear of the vehicle while avoiding a region in which at least the first inner lens and the stop lamp light source overlap when viewed from the rear of the vehicle.

Abstract: An optic assembly includes a light source, a reflector to reflect light emitted by the light source, and an optical lens disposed over and/or around the light source. The optical lens is configured to direct light emitted from the light source using refraction and total internal reflection.

Abstract: A lighting device comprising at least a first light source and at least one heat sink element that is removable, that comprises an first inner region and an first outer region, that is identical in shape to another heat sink element, that is in thermal contact with a trim element, that is stacked, that is in thermal contact with at least a first portion of a first surface of the trim element, that has a cross-sectional area at a first distance from an axis of a trim element that is larger than at a shorter distance, and/or that maintains a junction temperature of a lighting device at or below a recommended junction temperature. Also, a lighting device comprising at least a first light source, a trim element, a driver sub-assembly and a spacer element positioned between the trim element and the driver sub-assembly. Also, methods of dissipating heat.

Abstract: A background module includes a light-emitting element, a light guide plate, and a light shielding structure. The light guide plate includes a reflective material layer. The reflective material layer is disposed on a top surface of the light guide plate and located near the light-emitting element. After a light beam emitted by the light-emitting element is introduced into the light shielding structure, a portion of the light beam is reflected back into the light shielding structure by the reflective material layer. On the other hand, a portion of the light beam is transmitted through the reflective material layer and absorbed by the light shielding structure. Consequently, the possibility of causing light leakage will be minimized.

Abstract: A motor vehicle lighting device is proposed, having a light source, and having an optical waveguide, which has a coupling lens, which has at least one reflector, wherein the optical waveguide has first and second planes that are perpendicular to one another, and intersect, and wherein the lines of intersection are each defined by a light beam emitted from the reflector. The device is distinguished in that a transformation by the coupling lens occurs such that an aperture angle of propagation directions of the light beams lying in the second planes is reduced, and the aperture angle of propagation directions lying in the first planes is not altered, or is altered less strongly, and in that the optical waveguide has a transport and transformation lens, wherein the coupling lens and the transport and deflection lens are separate components.

Abstract: A Parabolic-Type reflector has a uniform Apparent Brightness over the reflector surface. A model of the reflector is divided into a plurality of elements arrayed radially around the reflector focus. Each element has a length li measured radially from the focus and perpendicular to an optical axis of the reflector, and an initial depth d-initi measured parallel to the optical axis. For each element, a light-angle ?i is calculated, the angle of light from the light source subtended by the element. An Apparent Brightness is found for each element, ABi??i/li. The element emin with the lowest Apparent Brightness ABmin is identified. For each element other than emin a required light-angle is found, the required light-angle ?-corri=ABmin×li. While maintaining li, the initial depth d-initi of the element is reduced to a corrected depth d-corri necessary to achieve ?-corri.