Abstract: The light source unit is provided with a substrate and a decorative cover having thermal conductivity. The substrate includes a circuit pattern area, in which a plurality of LED chips are disposed, at the middle part thereof, has thermal conductivity, and transmits heat from the circuit pattern area to an area in the outer circumferential direction thereof. The decorative cover encloses the substrate, is electrically insulated from the circuit pattern area, and is thermally coupled to the surface side of the substrate at the periphery of the circuit pattern area by being face-contacted thereto. Heat of the substrate can be radiated by the decorative cover while securing an electric insulation property with respect to the circuit pattern area.

Abstract: Indexes indicative of the locations of lamp clips are formed on a chassis where lamps are juxtaposed with different juxtaposition pitches. The lamp clips comprise: plate-like bases; holding portions, which are provided at one face of the bases, for holding the lamps; and markers corresponding to the indexes.

Abstract: A dome structure has dimensions such as to house the cockpit of an aircraft. An ordered arrangement of light-emitting panels (10), able to be switched on or off selectively, forms at least a part of the inner vault of the dome. A floodlight (16) is mounted on a movable support arm (17) such that it can be selectively positioned around or above the cockpit and directed so as to project a beam of light onto the cockpit. Preferably a part of the inner vault of the dome consists of an ordered arrangement of reflective panels (11).

Abstract: A lighting fixture can dispose a light source in a recess of a ceiling or another surface while providing at least one of three adjustments that facilitates installation or post-installation setup. The first adjustment can support mounting the fixture to surfaces of differing thicknesses while maintaining the light source at a uniform recess depth. The second possible adjustment can facilitate rotating a visible portion of the fixture, typically an aperture or hole through which light transmits from the light source into a room or some other illuminated space. After the lighting fixture is attached to the ceiling, a user can rotate the aperture for alignment with another fixture or another object. The third possible adjustment can provide an illumination pattern that can be tilted to various angles or oriented in various directions according to user preference or to establish a desired lighting effect.

Abstract: Methods and apparatus for ceiling suspended systems according to various aspects of the present invention include a modular platform for supporting and supplying multiple devices. A wire way bar may facilitate connection and support for the devices, such as light sources and other systems.

Abstract: An illumination device includes a base board, an insulator, a conductor, a plurality of semiconductor light-emitting elements and a light-transmissive sealing member. The base board includes a surface and projection portions. The projection portion is formed to become gradually thicker from its end toward the surface of the base board. The insulator is formed on the surface. The conductor is formed on the insulator. The semiconductor light-emitting elements are mounted on the projection portions. The semiconductor light-emitting elements are electrically connected to the conductor via connection members. The sealing member covers the insulator, the projection portions, the semiconductor light-emitting elements and the connection members.

Abstract: Method and apparatus for attenuating unwanted aspects of lighting from a luminaire which is disposed to illuminate an object or objects being photographed. A light attenuating mask is disposed between the luminaire and the object or objects. The light attenuating mask may diffuse, obstruct, or otherwise modify projected light such that light intensity is diminished, unwanted reflections of the luminaire are suppressed, or other aspects of the light are altered. The mask may attach to the luminaire or may be free standing and separate therefrom.

Abstract: A lighting arrangement for the interior of an automotive vehicle in which the light source, such as an LED, is recessed into the interior structure of the vehicle and covered with a layer of fabric. The light source is invisible when not in use, but shines through the fabric/foam layer when illuminated, and can be associated with a light transmitting member, such as a light bar and a light pipe. Such lighting arrangements can be disposed within the headliner to direct light where desired and for different functions, such as a map light or for area lighting. The lighting arrangement can be mounted in non-traditional locations, such as on vertically oriented pillars, visors, door panels, seat backs, seat fronts, and console sides. The light source is preferably one or more LEDs associated with a light transmitting medium to direct the discharge of light as desired within the automotive interior.

Abstract: A light emitting diode (LED) lamp including a connector, an LED module, an angle adjusting ring, an isolating ring, and a heat dissipating module is provided. The LED module is electrically connected to the connector and has at least one LED unit. The angle adjusting ring is disposed between the LED module and the connector for rotating the LED module, and includes at least one locking element for fixing the LED module on the connector. The isolating ring is disposed between the connector and the angle adjusting ring. The heat dissipating module is in contact with the LED module for preventing the LED module from overheating. The heat dissipating module includes at least one heat pipe and a plurality of fins connecting to the at least one heat pipe, where the at least one LED unit is disposed on the at least one heat pipe.

Abstract: A light unit and a display apparatus having the light unit are provided. The light unit comprises a light emitting parts comprising one or more light emitting diodes and an middle optical panel on the light emitting parts comprising a top surface with one or more lens. The display apparatus comprises the light unit, a bottom cover accommodating the light unit, and a display panel on the light unit.

Abstract: A light source device includes an optical element 22 having a first face 1 opposed to a solid light emitting element 21. The optical element 22 includes second and third faces 2, 3 opposing in parallel to each other and both substantially perpendicular to the first face 1, a fourth face 4 substantially perpendicular to the second and third faces 2, 3 and also obliquely-opposed to the first face 1 and a fifth face 5 as an exit face. The fifth face 5 has an area smaller than an area of a light emitting face of the solid light emitting element 21. The light source device further includes a polarization converting element 42 having an incident surface opposing in substantially-parallel to the fifth face 5 through a space, polarization separating elements 43 for separating incident light from the optical element 22 in polarization, a first reflecting surface 45 for reflecting one of polarization-separated fluxes and wave plates 44 for converting either of phases of the polarization-separated fluxes.

Abstract: A diffuser for releasable fastening to a reflector screen having screen spokes, includes a diffuser element and a fastening apparatus to fasten the diffuser element to the reflector screen. The fastening apparatus has a plurality of fastening elements constructed and adapted to receive corresponding screen spokes of the reflector screen. The fastening elements are constructed to apply a spring action and each fastening element has an opening to receive one screen spoke.

Abstract: A backlight assembly includes at least one light-generating board, a light source driving board and a coupling board. The light-generating board generates light. The light source driving board provides control signals to the light-generating board. The coupling board is coupled via slot connectors to the light-generating board and the light source driving board to electrically connect the light-generating board and the light source driving board to each other. Thus, manufacturing efficiency may be improved in comparison with electrically connecting the light-generating board and the light source driving board through wires.

Abstract: A lighting apparatus is disclosed. The lighting apparatus includes a light source, a first reflective unit reflecting light, a second reflective unit that is positioned opposite the first reflective unit and reflects the light, and a light pipe positioned outside the first reflective unit. The light source is positioned inside the first reflective unit. The light pipe receives the light reflected by the first reflective unit or the second reflective unit to emit the light.

Abstract: An adjusting apparatus for an automobile headlight or similarly situated work piece comprising a housing with a first opening and a second opening, a thread-less drive shaft extending through said top opening and having one end having a drive shaft connector connected via a first stop bolt to a first end of a pivot arm and the second end of said drive shaft for connection with said automobile headlight, a threaded input shaft extending through said second opening engaging an input shaft mounting bracket with a threaded portion of said threaded input shaft wherein said input shaft mounting bracket is further connected via a second stop bolt to a second end of said pivot arm, wherein said pivot arm is secured to said housing via a central pivot bolt, wherein a rotational adjustment of said input shaft will alter the position of said input shaft mounting bracket thereby altering the position of said second end of said pivot arm thereby altering the position of said first end of said pivot arm thereby causing sai

Abstract: An LED module with a blue LED chip, over which is arranged a conversion layer, which has a luminous material mixture mixing a further proportion of greater wavelength into the blue light, so that a reddish or greenish or yellowish white light is emitted from the LED module, the emitted light of the LED module having a peak or secondary peak in the red or green or yellow range.

Abstract: A system for providing diffuse light to a dial plate of a meter is disclosed. The system includes a light-guide and a light source. The light from the light source enters the light-guide and exits the light-guide to illuminate a curved peripheral portion of a dial plate with a diffuse light.

Abstract: An illumination system for illuminating a display device includes a light-mixing chamber having a light-exit window, a rear wall situated opposite the light-exit window, and edge walls which extend between the light-exit window and the rear wall. A surface of the rear wall is substantially specularly reflective for specularly reflecting light impinging on the surface of the rear wall and having a relatively large angle of incidence with respect to an axis perpendicular to the rear wall. The illumination system further includes a light source light out-coupling elements. The light source emits light into the light-mixing chamber in a direction substantially parallel to the light-exit window. The illumination system further includes an angularly reflective filter applied at the light-exit window. The angularly reflective filter includes substantially transparent layers, each layer having a substantially uniform thickness.

Abstract: A modular heat sink includes one or more heat sink sections interconnected sequentially to each other to form a polar array. Each heat sink section includes a first connecting part and a second connecting part, where the first connecting part is configured to couple with the second connecting part of another heat sink section. Once assembled, the modular heat sink includes a channel formed substantially through the center of the modular heat sink. Each heat sink section is manufactured using an extrusion process. The assembled modular heat sink has one or more hollow portions within the overall shape that cannot be fabricated in a single extrusion process. One or more LEDs are coupled to the outer surface of the modular heat sink. The modular heat sink, with LEDs coupled thereto, is coupled to a wireway tube and mounted to a post-top light fixture to form an LED luminaire.

Abstract: The present teachings relate to semiconductor-based lighting systems and fixtures which process electromagnetic energy from light emitting diodes or the like. A disclosed exemplary system includes at least one occluded remote phosphor and produces substantially white light of desired characteristics. The remote phosphor extends over at least a portion of a surface of a macro optic at an occluded location such that none of the remote phosphor is directly visible through an optical aperture. The phosphor is responsive to electromagnetic energy from a semiconductor device to emit visible light for the emission through the optical aperture.