Abstract: A multi-wing edge-lit structure includes a first edge-lit light guide panel, a second edge-lit light guide panel, and a joiner unit. The first edge-lit light guide panel is adjustably attached to the joiner unit on a first side of the joiner unit. The second edge-lit light guide panel is adjustably attached to the joiner unit on a second side of the joiner unit. The first side and the second side are opposite sides of the joiner unit.

Abstract: An apparatus includes a mirror dome and a light producing system for producing and transmitting light through the mirror dome to an external surface to produce a message viewable on the external surface. A sensing system identifies traffic and is in communication with the light producing system to cause the light producing system to produce and project a message viewable on the external surface when the sensing system detects approaching objects or traffic.

Abstract: Disclosed is a retractable lighting fixture having a retractable LED lighting layer. One or more optical layers (40, 240A/B, 340A/B, 440) may optionally be provided over the LED lighting layer (30, 230, 330, 430). The optical layer(s) and the LED lighting layer may optionally be movable relative to one another between at least being in an expanded spaced relation to one another and a compressed relation to one another. One or more LEDs (34, 134, 234A/B, 334A/B, 434) on the LED lighting layer may be individually controllable and such LEDs (34, 134, 234A/B, 334A/B, 434) may be selectively extinguished when they are in a retracted position.

Abstract: Provided is an illumination device capable of reducing coherence of laser light emitted from a laser irradiation device to ensure safety to the eye at low cost. In the illumination device for exciting a fluorescent substance by irradiating the fluorescent substance with the laser light from the laser irradiation device to emit visible light for use as illumination light, a light scattering material is placed on and around an optical axis of the laser light.

Abstract: A device and method are provided for controlling the temperature, in particular for cooling, of an LED lamp or LED modules of an LED lamp, e.g., for curing a light-cured pipe. The device includes: a fluid supply line and multiple heat exchangers connected to the supply line; multiple LEDs coupled to each heat exchanger with respect to heat transfer; and a fluid return line. The fluid supply and return lines are connected to each other in a fluid-tight manner by various combinations of L-pieces and T-pieces in or at the ends of the fluid supply and the return lines, so that the fluid flows from the LEDs in a spatially separated way and the fluid supply and return lines have at least two parallel fluid connections to each other, the heat exchangers being arranged in the fluid connections or constituting the fluid connections.

Abstract: A marker system includes at least one emitter. The emitter(s) emit light responsive to a flow of electrical current there through. The marker system includes a device for acquiring an incoming signal and a circuit for processing the incoming signal. The circuit for processing the incoming signal monitors the device for acquiring the incoming signal to determine if the incoming signal includes any of a plurality of incoming Identification Friend or Foe (IFF) and/or munitions-targeting signals. The circuit emits one of a plurality of responses by sending electrical current selectively through the emitter(s) and/or other feedback devices based upon which of the plurality of incoming Identification Friend or Foe (IFF) and/or munitions-targeting signals is detected by the means for processing.

Abstract: A luminaire and method of installing same on a mounting pole including a housing having a flange and a plurality of LEDs. The flange includes formed therein a plurality of spaced apart holes disposed along a line, a slot disposed along the line, and a central hole disposed along the line and between the slot and the spaced apart holes. The plurality of LEDs are attached to or disposed in the housing. The method includes hanging the luminaire on an upper mounting bolt extending from a mounting pole, sliding the upper mounting bolt along the slot so that a conduit hole and the central hole are at least partially aligned to each other and one of the plurality of spaced apart holes is aligned to a lower mounting hole, and installing a lower mounting bolt through a lower mounting hole and the one spaced apart hole aligned therewith.

Abstract: Light guides comprising light extraction structure arrays and articles comprising such light guides are described.

Abstract: Disclosed is an advertisement display device having a 3D sheet. The advertisement display device having the 3D sheet comprises: a substrate; a backlight unit which is provided on the substrate and irradiates light; and a 3D sheet which is provided on the backlight unit to implement a 3D image by the light irradiated from the backlight unit.

Abstract: A lamp support assembly, retrofit kit, and method are provided for lighting a sign from an interior thereof. The assembly can be used as a drop-in replacement for high-voltage gas-discharge tube lamps such as high-output fluorescent lamps, and may be used to retrofit signs originally built for gas-discharge tube lamps with low-voltage, high-efficiency lighting such as LED lighting. The assembly includes an elongate support member for supporting electric lamp units, with end caps at opposite ends of the support member for engaging the original electro-mechanical mounts (or replacement mounts) in the sign. Thus, the lamp support assembly can be supported in the sign in a similar manner as gas-discharge tube lamps, and can be powered by a low-voltage power source, which may replace a higher-voltage power source in the case of a retrofit.

Abstract: A headlight for motor vehicles including a box-shaped housing, a light unit arranged in the housing, a front pane sealing the housing to the front relative to the direction of travel, and mountings provided on the housing for connecting the housing to the vehicle. Impact protection is provided by a rupture device that has at least one flexurally sensitive region of reduced wall thickness in the wall of the housing. The flexurally sensitive region at least partially extends transversely to the direction of the possible impact loading. A rupture element supported against the vehicle structure is provided on at least one point of the flexurally sensitive region. A targeted continuous rupturing of the flexurally sensitive region is provided by the rupture element in an impact with an unprotected road user.

Abstract: A light emitting module is disclosed. The light emitting module includes a circuit board, a plurality of light emitting devices mounted on the circuit board and spaced apart from each other, molding parts wrapping the respective light emitting devices, and a reflective member disposed on the circuit board to surround the light emitting devices. The reflective member has a height greater than that of each of the molding parts. The reflective member has a plurality of openings exposing the light emitting devices, and each of the openings has a reflective side wall extending upward from the circuit board.

Abstract: Described are lighting devices of passenger aircraft. Also described are methods of operating the devices as well as lighting systems and passenger service units.

Abstract: A paintless dent removal LED light module has a plurality of selectively illuminated LED strips. There is a small gap between a generally planar diffuser panel and the LED strips, so an image formed upon the diffuser panel has parallel bright strips separated by dark regions. The LED strips are supported upon a tray bottom surface, the tray also having a circumferential and vertically rising side wall, and a lip defining a second plane generally parallel with but displaced from the tray bottom. The diffuser panel rests upon the lip, and is secured by a band having an elastomeric exterior. The tray bottom may incorporate one or more ribs to provide additional strength and rigidity. A power supply has an entirely non-marring exterior with a supporting suction cup. A ball and socket neck having an entirely non-marring exterior mechanically and electrically couples the PDR light to the power supply.

Abstract: The present invention provides a light extraction film including a micro-lens array film and at least one optical film. The micro-lens array film has a first surface and a second surface opposite to each other, and has a plurality of micro-lenses disposed on the first surface. The optical film covers the first surface, and the optical film includes a plurality of optical particles and a thin film layer. The optical particles are disposed in the thin film layer.

Abstract: The present invention relates to an ADB head lamp system and a beam control method using the ADB head lamp system, the ADB head lamp system includes an ADB head lamp which is installed in a vehicle; a driving unit which drives the ADB head lamp; a road circumstance detecting unit; and a control unit which controls the driving unit to allow the ADB head lamp to radiate beam below a horizontal line in accordance with a signal which is generated by road circumstance information obtained by the road circumstance detecting unit, thereby implementing a beam which suppresses glare to the opposite vehicle, glare to a vehicle ahead, and minimize fatigue to a driver of the driving vehicle by recognizing a road circumstance.

Abstract: A light guiding plate includes a light guiding main body, a first light guiding unit and a second light guiding unit. The light guiding main body has a first surface, a second surface opposite to the first surface and a light inlet face connecting between the first and second surfaces. The first light guiding unit includes first and second light guiding structures disposed on the first surface. The first and second light guiding structures are parallel aligned, each second light guiding structure has a plurality of first light guiding bodies that is individually separating and connecting the immediately abreast first light structures, and the arrangement density of the plurality of first light guiding bodies decreases toward the light inlet face. The second light guiding unit includes a plurality of third light guiding structures disposed on the second surface. The third light guiding structures are parallel arranged.

Abstract: An optical display device comprises a light source, a pixelated display panel, and a light guide to collect light from the light source and to transport the light via total internal reflection. A first surface of the light guide includes recessed regions having a circular-based profile, such as a quarter-circle profile, to reflect the light from the light guide to the pixelated display panel. A first optical layer covering at least a portion of the first surface of the light guide fills the recessed regions included in the first surface of the light guide. A second optical layer covering at least a portion of a second surface of the light guide transmits the reflected light to the pixelated display panel.

Abstract: The present invention relates to a system for providing a light source for activating a luminescent object. In general, the system comprises a housing formed of at least two portions that are either separable or form a unitary housing depending on the embodiment. A first portion of the housing forms a light containment cavity, having at least one opening configured for receiving the luminescent object. A second portion of the housing is configured to contain a light source for providing light for activating the luminescent object. One or more light switches are located on the outside of the housing for activating the light source. In some embodiments, the opening is configured such that it can be covered by a user's hand to prevent light from escaping from the light containment cavity when the light source is activated. In some embodiments, one light switch is positioned relative to the opening so that the user can cover the opening and manipulate the light switch with one hand.

Abstract: A backlight assembly includes a light guide plate (LGP) having a stepped portion formed at a corner of the LGP, an optical sheet disposed over the LGP and a receiving container receiving the LGP and the optical sheet. The receiving container includes a bottom plate, first through fourth sidewalls and a first LGP fixing portion. The second sidewall is adjacent to the first sidewall. The third sidewall faces the first sidewall. The fourth sidewall faces the second sidewall. The first through fourth sidewalls are extended upwardly from edge portions of the bottom plate. The first LGP fixing portion is formed at the first sidewall such that the LGP fixing portion corresponds to the stepped portion of the LGP. Therefore, a display device is easily assembled. Furthermore, a defilement that may occur during an assembling process may be reduced to enhance productivity.