Abstract: An automotive solid-state headlamp includes a lamp body extending in a longitudinal direction, the lamp body having a rear base portion and a front portion and including a support member and a light-transmissive housing, a plurality of solid-state light sources arranged on the support member at the rear base portion of the lamp body, a drive circuitry electrically coupled to the light sources and arranged at the rear base portion of the lamp body and configured to operate the plurality of light sources when energized and reflector optics arranged at the front portion, wherein the solid-state light sources are configured to emit light towards the reflector optics, the reflector optics including a first reflector optic portion and a second reflector optic portion and wherein each of a plurality of first reflective surfaces disposed on the first reflector optic portion extend in an annular region around the longitudinal direction from the plurality of solid-state light sources towards the first reflector optic p

Abstract: Optical lenses and associated luminaire are described herein. In one aspect, a lens comprises a light receiving side comprising grooves for receiving light emitting diodes, the grooves defined by a central refractive region and walls comprising total internal reflection faces; and a light extraction side opposite the light receiving side, the light extraction side comprising refractive extraction surfaces, total internal reflection extraction surfaces, or combinations thereof. In some embodiments, luminaire comprises an array of light emitting diodes; and the lens positioned over the array of light emitting diodes.

Abstract: An LED and/or laser light for night time or dark area use, such as a plug-in wall outlet night light or direct current (DC) operated desktop light, includes projection or pin-hole image features to project or present an image, message, data, logo, or time on a ceiling, walls, floor, or other desired surface, or an cover surface, inner housing wall. The optics piece surround light source including an optics-lens, slide, openings, cut-outs, film, grating, or holographic element to create an image at a desired location. The night light may have an adjustable angle or distance between light source and optics piece, as well as other adjustable position, location, or orientation features.

Abstract: A light bulb having a substrate having a light emitting member provided thereon and a main body in which the substrate is positioned. The main body having a heat sink, a power supply, electrical contact members electrically connecting the substrate to the power supply and electrical leads extending from the power supply to the electrical contact members. The electrical leads extend through the heat sink.

Abstract: An interchangeable shadow making flashlight system herein may comprise a flashlight with an extended tube on the light-emitting end having a fastening mechanism to receive interchangeable shadow-producing cover sheets with at least first and second portions (e.g., opaque/transparent/semitransparent portions) configured in specific shapes, such that light passing through the tube is affected differently by the respective portions to create a corresponding shadow/image on a receiving projection surface. The flashlight preferably comprises a single light source, such as a light emitting diode, and no reflector, to ensure a single non-refracting beam of light through the tube, such that the resultant shadow/image is crisply made on the projection surface. Also, the length of the tube may be configured specifically to place the shadow-producing cover sheets at an optimal focal length from the light source in order to further create a crisp outline of the produced shadow.

Abstract: A multi-faceted reflective hidden lighting lamp applied to a vehicle may block a portion of external light and repeatedly reflect internal light in two or more steps with a reflective surface on one side surface of a light reflective portion having a triangular sawtooth shape formed on a lens in a direction facing a light source and a transmissive surface on the other side surface thereof in an internal space of the lamp, and form a reflective layer on the reflective surface in painting/deposition/plating processes, a laser perforation process, a masking process, and a film insert process to reduce a color conversion material for the same color conversion effect and increase the utilization of an overlap skin portion of the lens, increasing the light blocking ability for a region other than the region required by regulations in addition to increasing the transmissive/light-receiving ability for the region required by regulations.

Abstract: A ceiling lamp and a chassis are provided. The ceiling lamp includes a chassis and a light source module; the chassis includes a surrounding wall and a partition disposed within the surrounding wall, the partition divides a region surrounded by the surrounding wall into an assembly recess with a downward opening and a wiring recess with an upward opening; part of the partition protrudes upwardly into the wiring recess and forms a light source recess with a downward opening and an upward recess bottom, and the light source module is provided in the light source recess. The chassis includes a surrounding wall and a partition disposed within the surrounding wall, the partition divides a region surrounded by the surrounding wall into an assembly recess with a downward opening and a wiring recess with an upwardly opening.

Abstract: A lamp for a vehicle, the lamp including a plurality of optical modules, in which the plurality of optical modules each includes a light source configured to emit light, an inner lens disposed forward of the light source, a lens holder disposed at one side of the inner lens and provided to be in close contact with the inner lens, and a bezel disposed at the other side of the inner lens and provided to be in close contact with the inner lens, in which a through-hole is provided in at least one lateral surface of the lens holder so that the light emitted from the light source passes through the through-hole.

Abstract: A mobile lighting device is disclosed with extendable boom sections. The boom sections are stored in a horizontal position and then pivot to a vertical position before being extended upward. A light section is positioned at the uppermost end of the last extendable boom section. A variety of safety features are also disclosed.

Abstract: An illumination set has a plurality of alphabet lamps and a plurality of connectors. Two of the alphabet lamps are connected by one of the connectors. Each alphabet lamp has a bottom casing, a top cover, an illumination circuit board, and a slide. The top cover is mounted on the bottom casing. The illumination circuit board is mounted in the bottom casing and between the top cover and the bottom casing. The illumination circuit board has an illumination component and a plurality of sockets. The slide is detachably mounted on the bottom casing. The top cover is located between the slide and the bottom casing. A pattern is formed on the slide. Because the slide of the alphabet lamp is detachable, the pattern on the alphabet lamp can be changed.

Abstract: Magnet signage lighting systems are disclosed in which electricity and informational data are transferred from wiring extending from an electrical power source to one or more electrical connector members. At least one power source magnet is electrically connected to the connector member or members. Signage lighting members have lighting member magnets affixed thereto such that when the lighting member magnet is attracted to and connected to the power source magnet, electricity and informational data is transmitted from the power source and an informational data controller, through the connector member or members, to the power source magnet, and then to the lighting member magnet to illuminate and provide informational data to the signage lighting members.

Abstract: A lens comprises a light receiving side comprising grooves for receiving light emitting diodes, the grooves defined by a central refractive region and walls comprising total internal reflection faces; and a light extraction side opposite the light receiving side, the light extraction side comprising refractive extraction surfaces, total internal reflection extraction surfaces, or combinations thereof. In some embodiments, luminaire comprises an array of light emitting diodes, and the lens positioned over the array of light emitting diodes.

Abstract: A showcase strip lamp includes a lamp tube, having a tube wall provided with a plurality of first light emitting holes arranged at intervals in the length direction; a circuit board, disposed in the lamp tube and being with the front face facing the first light emitting hole; a plurality of light sources, corresponding to each first light emitting hole and arranged on the circuit board; a heat conducting member, being contact-connected between the back of the circuit board and the inner wall of the lamp tube; and an end cover assembly, disposed on ends of the lamp tube. The heat on the circuit board are quickly conducted to the lamp tube through the heat conducting member, and the lamp tube is only provided with a first light emitting hole for light output, and the lamp tube is used for heat dissipation as a whole.

Abstract: An example of an optical device of the present disclosure includes a substrate, an obverse-surface conductive layer, a reverse-surface conductive layer, a first conductive part, an optical element and a reflector. The first conductive part extends through the substrate and overlaps with a first obverse-surface conducting region of the overse-surface conductive layer and the reverse-surface conductive layer as viewed in a thickness direction of the substrate. The reflector has an inner surface that surrounds the optical element as viewed in the thickness direction. The optical element is located on first obverse-surface conducting region, and the second obverse-surface conducting region is located between the first obverse-surface conducting region and the inner surface of the reflector as viewed in the thickness direction. A second obverse-surface conducting region of the overse-surface conductive layer is spaced apart from the inner surface of the reflector as viewed in the thickness direction.

Abstract: An LED tube lamp comprises a lamp tube, two light boards disposed in the lamp tube having a plurality of light sources mounted thereon, two lamp caps respectively disposed at both ends of the lamp tube and having a power supply disposed in the lamp caps, and a support unit. The power supply comprises a circuit board. The support unit is configured to fix the light board and comprises a main body and a support arm. The support arm is disposed on the main body and abutted to the inner surface of the lamp tube, so that the support unit can support the inner surface of the lamp tube.

Abstract: A degree of freedom of upper and lower widths of an area in which light is emitted is secured such that a slim type head lamp is implemented. Further, a slim type lamp apparatus for a vehicle, in which a low beam and a high beam are implemented at the same lighting portion, and an overall size of an optical system is reduced such that it is advantageous to configure a package of an optical system, is disclosed.

Abstract: An optical system includes an optic and a reflector. The optic has a rear surface with a cavity configured to receive light from a light source and a front surface opposite the rear surface, the front surface configured to emit light processed by the optic and the front surface including a centrally disposed convex region. The front surface and the rear surface of the optic meet at a rim that extends peripherally with respect to the cavity. The reflector is disposed adjacent the optic and comprises a light-receiving end adjoining the rim, a light-emitting end, and a tapered region that extends between the light-receiving end and the light-emitting end.

Abstract: An LED light apparatus includes a back cover, a surrounding wall, a light source and a surface ring. The back cover has a top side and a back cover inner side. The surrounding wall is connected to the back cover. The light source is fixed to an inner wall side of the surrounding wall. The surface ring has a surface ring inner side connected to the surrounding wall. The surface ring inner side, the inner wall side and the back cover inner side form a light movement space. The back cover inner side has a three-dimension curve surface for reflecting light to the light opening of the surface ring.

Abstract: An air conditioner includes a main body, a blower fan disposed in the main body, a discharge panel including a main outlet configured to discharge air discharged from the blower fan and a plurality of fine outlets provided near the main outlet, an opening and closing member configured to move in forward and backward directions and open and close the main outlet, and a lighting apparatus disposed on a back surface of the opening and closing member and configured to emit light to a back side thereof. Since an area illuminated by the lighting apparatus is changed according to a position of the opening and closing member, a user intuitively identifies an operational state of the air conditioner.

Abstract: Apparatus and associated methods relate to an LED-based lighting element configured to emulate a glass-bulb filament light. The lighting element has a diffuser between an LED and a transparent lens. The LED emits light of a predetermined color in an emission pattern having a preferential direction of emission. The diffuser receives the light emitted according to the emission pattern and scatters the received light according to a diffusion pattern, thereby reducing the light projected in the preferential direction. The diffuser has an absorption coefficient that is substantially constant throughout the visible spectrum so as not to substantially change the predetermined color of the emitted light as it is scattered by the diffuser. The transparent lens is configured to receive the light scattered by the diffuser and to transmit the received light therethrough.

Abstract: Apparatus and associated methods relate to an LED-based lighting element configured to emulate a glass-bulb filament light. The lighting element has a diffuser between an LED and a transparent lens. The LED emits light of a predetermined color in an emission pattern having a preferential direction of emission. The diffuser receives the light emitted according to the emission pattern and scatters the received light according to a diffusion pattern, thereby reducing the light projected in the preferential direction. The diffuser has an absorption coefficient that is substantially constant throughout the visible spectrum so as not to substantially change the predetermined color of the emitted light as it is scattered by the diffuser. The transparent lens is configured to receive the light scattered by the diffuser and to transmit the received light therethrough.

Abstract: Methods and apparatus for illuminating decorations according to various aspects of the present invention may comprise a light source and a diffuser. A connector may connect the light source to the decoration. A reflector may reflect light from the light source towards an anticipated observer.

Abstract: A headlight assembly for assembly adjacent at least one skin component of a vehicle includes a housing supporting at least one light and a lens attached to the housing. The lens includes at least one attribute for engaging the at least one skin component. The attribute may be a pin or an aperture formed in the lens which may extend a distance from a surface of the lens for guiding the skin component. The skin component may be a grille and the attribute may restrict movement of the headlight assembly relative the grille in a Y-axis direction forming a margin therebetween. The attribute may be a channel including a bracket for guiding the skin component, for instance, a facia into the channel. The attribute may be a cavity formed in the lens for receiving an overlapping portion of the skin component, for example, a grille.

Abstract: The present disclosure relates to a lighting fixture that is configured to transfer heat that is generated by a light source and any associated electronics toward the front of the lighting fixture. The lighting fixture includes a heat spreading cup that is formed from a material that efficiently conducts heat and a light source that is coupled inside the heat spreading cup. The heat spreading cup has a bottom panel, a rim, and at least one sidewall extending between the bottom panel and the rim. The light source is coupled inside the heat spreading cup to the bottom panel and configured to emit light in a forward direction through an opening formed by the rim. Heat generated by the light source during operation is transferred radially outward along the bottom panel and in a forward direction along the at least one sidewall toward the rim of the heat spreading cup.

Abstract: Embodiments disclose an optical lens and a light emitting module having the same. The disclosed light emitting module includes: an optical lens including a light-transmitting first body, an incident part including an incident surface and a pattern on a periphery of the incident surface under the first body, and an emitting part protruding from an upper surface of the first body; a light emitting device having a second body having a cavity in which the incident part of the optical lens is disposed, a light emitting diode in the cavity, and a recess in which an outer lower surface of the first body faces a periphery of the cavity; and an adhesive for bonding the outer lower surface of the first body of the optical lens to the recess of the light emitting device, wherein a lower portion of the first body is disposed in the recess.

Abstract: Embodiments of a lamp that utilizes a reflector and a light source with light-emitting diode (LED) devices to generate an optical intensity distribution substantially similar to that of a conventional incandescent light bulb. These embodiments utilize an operation configuration with parameters that define relationships between components of the lamp to generate the optical intensity distribution. These parameters can, in one example, set out the position of the reflector relative to the light source as well as the ratio between dimensions of the reflector and the light source. In one embodiment, the reflector is in position relative to the light source to form a blocking area proximate the light source that defines a part of the lamp that does not diffuse light.

Abstract: In various embodiments, a light emitting diode (LED) flood lamp is provided. The LED flood lamp may include a base cap; a first housing having a first end and a second end, the first end secured to the base cap; a second housing having at least in part a partially conical shape, an end of the second housing having a smaller diameter secured to the second end of the first housing; at least one LED secured within the second; driver circuitry secured within the LED flood lamp between the end of the base cap and the at least one LED; a reflector having a partially conical shape; and a diffuser element secured to at least one of a wider end of the reflector or the end of the second housing having the larger diameter. In some embodiments, the first or second housing may include one or more vents.

Abstract: The present application discloses a unitary gasket-reflector for use in light sources having at least one reflector and at least one gasket to seal the inside of the light sources against the elements.

Abstract: According to one embodiment, a lighting device includes: a first housing in which a lamp unit is provided; a second housing in which a power supply unit is provided; and a hinge member that allows the first housing to be capable of opening and closing with respect to the second housing.

Abstract: A light irradiation device for applying light to a target object under relative movement includes: a base; first light-emitting element groups located on an upstream side in a direction of object movement, and second light-emitting element groups located on a downstream side, which are arranged on one main surface of the base; and first lenses and second lenses which cover the respective first light-emitting element groups and the respective second light-emitting element groups, respectively. An optical axis of light emitted through each of the first lenses is inclined toward the downstream side in the direction of object movement with respect to a normal to the one main surface of the base. An optical axis of light emitted through each of the second lenses is inclined toward the upstream side.

Abstract: A device is presented for disinfecting needleless connectors. The device has a housing that contains a UV light source. The UV light source is operably connected to a power source. The housing has a receptacle configured to selectively receive a shield. The shield has an inner reflective chamber with an internal surface that reflects UV light. In use, the UV light source can illuminate a needleless connector inserted within the shield.

Abstract: A strobe light unit, particularly wing anti-collision strobe light unit for an aircraft, comprises at least one light source, particularly at least one LED; a reflector element, the at least one light source and the reflector element being configured for projecting light into a desired range of directions; and a stray light blocking element for blocking stray light from being projected into undesired directions, the stray light blocking element attached to the reflector element or to a base portion of the strobe light unit.

Abstract: A lens, which is integrally formed as a single piece, includes a base, a first light diffusion portion and a second light diffusion portion formed on the base. A receiving hole is defined in the second light diffusion portion. The first light diffusion portion is received in the receiving hole, and an inner surface of the receiving hole is spaced from a top surface and a periphery side surface of the first light diffusion portion. A recess is defined in the first light diffusion portion for receiving an LED therein. The first and second light diffusion portions have different light diffusion (refraction) capabilities. The present disclosure also relates an LED light module using the lens.

Abstract: Disclosed is an illumination optical system that includes: two solid-state light sources (11 and 12); first light guide (21) configured to guide light emitted from one solid-state light source in a first direction; second light guide (22) configured to guide light emitted from the other solid-state light source in a second direction different from the first direction; and optical path conversion units (31 and 32) including total reflection surfaces for totally reflecting the lights guided by the first light guide and the second light guide to enter the lights into third light guide (50). A projection display apparatus that uses the illumination optical system thus configured can enter light emitted from a plurality of light sources straight into an image forming element by one optical system.

Abstract: A recessed lighting fixture includes a housing, a baffle, a trim ring, a cover, and at least one attachment element. The housing includes an inner wall and side walls extending to an open outer end. The baffle is secured to the housing by at least one fastening element and includes a reflector wall extending through the outer end of the housing. The trim ring extends radially outward from the reflector wall beyond the outer end of the housing and defines a central opening. The cover includes a light transmitting panel and an attachment ring extending around an outer periphery of the light transmitting panel, with the attachment ring being sized and shaped to cover a circumference of the trim ring. The at least one attachment element secures the attachment ring to the trim ring, such that an air seal is effected between the attachment ring and the trim ring.

Abstract: A lamp has an LED, a base, and a reflector. The base is rigidly connected to the LED and has a base contact surface. The reflector, which can be connected to the base, has a reflector contact surface, an entry opening, an exit opening, and a longitudinal direction (L) that runs from the exit opening to the entry opening. The reflector contact surface is arranged in the longitudinal direction (L) between the entry opening and the exit opening, and the base contact surface abuts the reflector contact surface. Thus, movement of the base and/or reflector towards each other is prevented when the reflector is connected to the base. The reflector is formed in such a way that a projection of the reflector contact surface in the longitudinal direction (L) of the reflector is free of undercuts.

Abstract: Provided is an LED module that can be easily manufactured while maintaining good reflective characteristics even when a plurality of LED elements and other electronic components are packaged on a circuit substrate. This LED module is characterized by having: a sub-mounting substrate for packaging a plurality of LED elements; a module substrate for packaging an electronic component other than the plurality of LED elements, the sub-mounting substrate being mounted on the module substrate; a dam material disposed on the module substrate and surrounding a mounting part of the sub-mounting substrate; and a cover member for covering top faces of the plurality of LED elements, the cover member being filled into an inside region of the dam material; the reflectance of a surface of the sub-mounting substrate being set higher than the reflectance of a surface of the module substrate.

Abstract: A light source including a circuit board, at least one light emitting device mounted on the circuit board by flip-chip bonding or surface mount technology (SMT), and a reflective portion formed on the circuit board and enclosing the light emitting device. The reflective portion formed on the circuit board reflects light emitted from the light emitting device in one direction, to reduce light loss while focusing light in a desired direction.

Abstract: An example electronic device includes a printed circuit board having a first row of light sources coupled to a first surface of the printed circuit board and a second row of light sources coupled to a second surface of the printed circuit board; a panel having a plurality of visual indicators; an first housing having a first row of chambers each having a first opening to receive one of the first row of light sources and a second opening to communicate light from the one of the first row of light sources to one of the visual indicators; and a second housing having a second row of chambers each having a third opening to receive one of the second row of light sources and a fourth opening to communicate light from the one of the second row of light sources to a second one of the visual indicators.

Abstract: A light emitting device includes a supporting base member which has an external electrode, at least one light emitting element disposed on at least a portion of an upper surface of the supporting base member. A sealing member encloses the light emitting element and has an outermost periphery larger than the supporting base member in a plan view. The supporting base member has at least one recess. The sealing member is filled in at least a portion of the recess and is formed so as to expose an electrode surface of the external electrode.

Abstract: In accordance with one aspect of the present disclosure, an LED decorative lamp is provided. The LED decorative lamp comprises a light engine having at least one LED mounted on a platform, a current regulated driver configured to provide power to the at least one LED, the driver mounted inside a base, a substantially hollow envelope forming an enclosure over the light engine and driver, and a reflector disposed above the light engine. The reflector is configured to improve the light distribution of the at least one LED.

Abstract: A lamp including: a reflecting mirror; a case inside which the reflecting mirror is entirely or partially disposed, and which has an opening formed therein; and a light-transmissive cover covering the opening of the case. The reflecting mirror includes a case-side reflecting mirror connecting part for connecting with the case, and the case includes a mirror-side case connecting part which connects with the case-side reflecting mirror connecting part. The case further includes a cover-side case connecting part for connecting with the light-transmissive cover, and the light-transmissive cover includes a case-side cover connecting part which connects with the cover-side case connecting part. The light-transmissive cover further includes a mirror-side cover connecting part for connecting with the reflecting mirror, and the reflecting mirror further includes a cover-side reflecting mirror connecting part which connects with the mirror-side cover connecting part.

Abstract: A LED array spot illuminator for providing light along an optical axis comprises a substrate and at least one array of multiple LED chips without individual packaging supported by the substrate, wherein the LED chips emit light within the same or different wavelength ranges and are distributed laterally with respect to the axis over a light-emitting area. The LED chips have light emitting surfaces for emitting light in directions transverse to the area. An optical device collects and directs light emitted by the LED chips of the at least one array along the axis. An aperture passes the light emitted by the LED chips of the at least one array along the axis, wherein light collected by the optical device and passed by the aperture forms a beam of light illuminating a spot. Electric current is supplied to the multiple LED chips, causing them to emit light. Light emitted by the multiple LED chips that passed through the optical device and the aperture form a beam of light illuminating a spot.

Abstract: An optical device for a motor vehicle, comprising a first surface light source emitting light rays wherein it comprises a reflecting optical system deflecting the light rays emitted by the first surface light source.

Abstract: A light-emitting apparatus includes a light-emitting diode that functions as a light source, and a teardrop-shaped translucent member formed of a translucent material. The teardrop-shaped translucent member includes a bottom portion via which the light emitted from the light-emitting diode is input, a lateral portion configured to provide total internal reflection of the light input via the bottom portion, and a top portion configured to focus the light subjected to total internal reflection by the lateral portion so as to form an image.

Abstract: An underwater light includes a hollow aluminum outer casing, a hollow sealing cover, and a screw bolt. The sealing cover is coupled with a head connector of a water inlet pipe via the screw bolt. A light base is provided between the sealing cover and the screw bolt. An annular transparent light cover is installed inside the aluminum outer casing. A circuit board with diode embedded is mounted within the transparent light cover. In addition, a fastener is coupled at the internal top portion of the hollow sealing cover, and the screw end of said fastener is coupled with a nut defined as a nut so as to affix a water outlet. A waterproof connector head is coupled with the internal bottom portion of the hollow sealing cover and a wire hole is provided within the hollow sealing cover.

Abstract: According to one embodiment, a lighting device includes a base member, a light source on the base member, a light-transmitting cover configured to cover the light source and to emit light emitted from the light source to the outside, and a light guide body provided opposite the light source and configured to guide, to the rear of the light source, at least part of the light from the light source. The cover includes a back light-transmitting region having a plane-normal line directed rearwardly. The light guide body includes a light-incident portion facing the light source and a light guide-emitting portion curvedly extending outward from the light-incident portion, having a distal end portion extending along the back light-transmitting region and directed to the rear.

Abstract: An LED module includes a circuit board with circuit arranged thereon and an LED package mounted on the circuit board via flip-chip mounting. The LED package includes a substrate, a pin structure and a reflector arranged on the substrate, an LED chip disposed on the pin structure and an encapsulation layer covering the LED chip and received in the reflector. A top surface of the encapsulation layer adjacent to the circuit board acts as a light outputting surface. The pin structure extends from the substrate to a top surface of the reflector near the light outputting surface. The pin structure electrically connects the circuit board by conductive adhesive arranged therebetween. The light outputting surface faces a through hole defined in the circuit board. Light emitted from the LED chip travels through the light outputting surface and the through hole in sequence to illuminate.

Abstract: A self-ballasted lamp includes a base body, a light source unit attached to one side of the base body, a lens attached to the light source unit, a cap provided on the other side of the base body and a lighting circuit arranged in the space provided by the base body and the cap. The light source unit includes a light source constituted by semiconductor light emitting elements. The lens has a lens body facing the light source and an attachment leg for attaching the lens body to the light source unit. A claw portion to be secured to the light source unit can be provided on the attachment leg.

Abstract: A lamp including a two-sided source plate, a plurality of light sources, a lens, a diffuser plate, and a driver insulator is disclosed. One set of the light sources generates white light and is attached to one side of the source plate. Another set of the light sources generates colored light and is attached to the source plate's other side. The lens encapsulates the white light-generating set, and redirects that white light. The driver insulator and the diffuser plate are each in contact with the source plate's other side. The driver insulator, diffuser plate, and that side of the source plate define a light box region that contains the colored light-generating set of light sources. The driver insulator acts as a reflector, and the diffuser plate acts as a diffuser, such that colored light is dispersed from the light box region through the diffuser plate.