Abstract: Illumination assemblies, components, and related methods are described. An illumination assembly is provided that comprises a plurality of illumination tiles each having a light emission surface. The plurality of illumination tiles are arranged in a two-dimensional array. The illumination tiles are constructed and arranged so as to provide a substantially contiguous illumination surface comprising the light emission surfaces of the plurality of the illumination tiles. Each illumination tile is illuminated by at least one solid state light-emitting device. A method of local dimming an illumination assembly of a display (e.g., LCD) backlight unit is also provided.

Abstract: A display including a light source for generating light, an optical waveguide for receiving and evenly distributing light in a light propagation direction by total internal reflections and a matrix of picture elements constructed on the upper surface of the waveguide, the picture elements including electrically activated micro-mechanical actuators having optical properties for modulating light to produce an image.

Abstract: The invention provides a light-emitting device, which includes a water-proof enclosure, a motion-actuated switch, a controller, a memory unit, a light-emitting array, a driving unit, and a battery. The motion-actuated switch is capable of generating a triggering signal if an external force presses on it. Furthermore, when the controller is under the start condition, it can selectively generate a lighting signal according to the triggering signal. The memory unit is applied for storing a plurality of default patterns. The light-emitting array includes a plurality of light-emitting diodes. The driving unit is capable of selecting one of the default patterns according to the lighting signal in a pre-determined way, and driving the light-emitting array lighting based on the default pattern. Particularly, the pre-determined way is in a proper sequence.

Abstract: An LED lamp includes a housing, a holder and an LED device pivotally connected with the holder. The LED device includes a cylinder-shaped casing having opposite first and second openings and air venting holes near the first opening. An LED module and a heat dissipating fan are respectively mounted at two ends of a heat sink. The LED module, the heat sink and the heat dissipating fan are assembled together as a unit, which is received in the casing. An airflow generated by the heat dissipating fan is directed into the casing through the second opening. A portion of the airflow is exhausted out of the casing through fins of the heat sink and the first opening, and another portion of the airflow is exhausted out of the casing through the fins and the air venting holes of the casing.

Abstract: Disclosed are LED lamp assemblies that are substantially inseparable. The LED lamp assemblies use discrete components that are individually manufactured and then assembled in a manner that substantially prevents disassembly or disengagement of components. An interference fit can be used to substantially secure components of the LED lamp assemblies. Bonding techniques can also be used, including adhesive and solvent bonds, as well as thermal bonds, including sonic bonds.

Abstract: A planar light source of the present invention has three lamps along a side face of a rectangular light guide plate. The lamps are arranged along an incidence plane which is one side plane of the light guide plate. The three lamps are arranged so as to be kept apart from each other at a given interval, and two lamps are arranged in close proximity to the incidence plane that is one side plane of the light guide plate. One lamp is arranged away from the incidence plane that is one side plane of the light guide plate with respect to the two lamps. A lamp reflector is formed continuously so as to become close to the three lamps and surround the respective three lamps, and assumes a substantially convex cross-sectional shape.

Abstract: A lighting apparatus is provided including an array of light emitting diodes (LEDs) disposed on a base. The base is configured to move heat away from the array of LEDs to other portions of the base and further to the atmosphere or an adjacent housing. In one embodiment, a native oxide on the base electrically insulates the base from the LEDs. In another embodiment, a cover is removably disposed over the array of LEDs, and removal of the cover prevents electrical energization of the LEDs.

Abstract: A light pipe is configured to provide a wide effective angle of illumination while simultaneously providing a substantially uniform distribution of light along a length of the light pipe. One or more reflective surfaces not aligned with an inner surface are disposed such that when at least one reflective surface is illuminated, light is emitted from the light pipe at one or more specified angles of light emission. A plurality of reflection points are formed on the inner surface to cause the specified angles when at least one of the reflective surfaces is illuminated. A light pipe is also provided having one or more exterior protrusions configured to function as a secondary light source. A second portion of an outer surface of the light pipe has a radius of curvature which differs from the radius of curvature of the first portion of the outer surface.

Abstract: An illumination arrangement comprising a plurality of light-emitting semiconductor components (1), arranged in a row, a diffuser (2), which is illuminated by the light-emitting semiconductor components during operation of the illumination arrangement, intermixes light emitted by the semiconductor components during operation and has a light coupling-out area (200) remote from the semiconductor components, and two mutually opposite, reflective longitudinal side faces (3), between which the row of light-emitting semiconductor components is arranged, which run perpendicular or obliquely with respect to the light coupling-out area, and which reflect at least part of the light emitted by the light-emitting semiconductor components during operation in the direction toward the light coupling-out area.

Abstract: A recessed light fixture having a rotation ring allowing rotation of a lamp mounted over the fixture frame aperture, the rotation ring easily rotatable on the frame and held in place by a ring clamp. The recessed light fixture rotation ring has a mechanical brake for locking the ring in place after positioning of the lamp. The ring also has a slip disc positioned between the surface of the frame and the ring to allow easy rotation. The housing of the fixture has junction boxes mounted on side walls which are hinged to the sidewalls of the housing and which swivel into the interior of the housing for ready access after installation through the aperture of the frame. The lamp of the fixture movable about a horizontal adjustment and vertical adjustment axis while also maintaining position with respect to the reflector.

Abstract: An artificial light source generator includes at least one luminescent set and a projection plane. The luminescent set includes a light source, a parabolic mirror, a supporting seat, a first lens array, and a second lens array. The light source is disposed at the focus of the parabolic mirror, so that light beams generated by the light source are transmitted in a parallel direction through the parabolic mirror. The supporting seat is for supporting the light source. The first lens array has a plurality of first lens units, and each of the first lens units has a first focal distance. The second lens array has a plurality of second lens units. The distance between the second lens array and the first lens array is 0.5 to 1.5 times the first focal distance. A suitable distance exists between the projection plane and the luminescent set, so that the light beams passing through each of the second lens units cover the entire projection plane. Therefore, the projection plane has excellent illumination uniformity.

Abstract: The present invention provides an end-side heat extraction light emitting diode or LED lamp. The LED lamp includes a lamp housing, a cooling module, and an LED lighting set. The cooling module is configured inside the housing space of the lamp housing, having a cooling fan and a cooling base. The LED lighting set is configured on the LED joint surface of the cooling base. The end-side heat extraction LED lamp also includes a circular frame and an end-side heat extraction airflow guidance passage. The circular frame forms a space extending and expanding to the end side. The end-side heat extraction airflow guidance passage forms an airflow guidance space extending and expanding to the end side, forming a heat radiating path where the heat extraction airflow generated by the running cooling fan of the LED lamp can be exhausted from the light projection end of the lamp housing.

Abstract: Provides are a light emitting apparatus and a light unit having the same. The light emitting apparatus comprises a light emitting device comprising a light emitting element and a plurality of external leads, and a plurality of electrode pads under the light emitting device.

Abstract: A lighting device and a display device are provided. The lighting device includes: a light source; a light dividing member; and a beam shaper. The light dividing member includes a light receiving surface, on which light is incident, and divides the incident light into a plurality of light beam groups each having a predetermined width and interval therebetween. The beam shaper is disposed between the light source and the light dividing member. Light from the light source is incident on the beam shaper, and light emitted form the beam shaper is parallel and has a cross-sectional shape corresponding to the shape of the light receiving surface of the light dividing member.

Abstract: The present invention relates to a lamp module (10) comprising at least one light emitting diode (LED) chip (12) for emitting light, means (13, 15, 16, 17) for extracting and shaping the light emitted from the chip(s), and a base (21) for allowing the lamp module to be fitted and connected to a lighting device. The lamp module is characterized by at least one electrically switchable cell (22) adapted to receive light emitted from the LED chip(s), which cell in a first state transmits incoming light without substantially altering the direction of the light and in a second state alters the direction of the light when the light passes the cell(s). This allows for electrically controlled adjustable beam shaping. The present invention also relates to a lighting device (30) comprising such a lamp module.

Abstract: An illumination system has a glove and an illumination device. The illumination device may be attached to an upper portion of the glove via first and second fastening materials. The illumination device includes a battery operably connected with a light source through a switch, for illuminating a selected part of a work space. A plurality of pliant support legs of the illumination device extend generally radially outwardly and downwardly, for supporting the housing upon the back of the hand. The first fastening material has a width and a length that are dimensioned so that the illumination device may be removably attached to the glove via the second fastening material to point in any of 360 degrees of rotation, such that the light source directs illumination in a selected direction with respect to the glove.

Abstract: A light emitting diode light source with mirrored surfaces is formed on a planar substrate which, when folded, forms both a light recycling cavity and an optical taper at the end of the light recycling cavity.

Abstract: LEDs are mounted onto a flat, thermally conductive, substrate, which is folded to form a light recycling cavity. A planar substrate is first coated with a metal layer, which is patterned to electrically connect the LEDs and to form bonding pads for wirebonds to connect the LEDs to external circuitry. The LEDs are mounted on the substrate. The substrate is then scribed on the backside to form the folds. The LED dies are then attached onto the metal islands (pads) defined on the substrate and wirebonds are used to connect the top side of the LED to adjacent patterned metal islands (pads) on the substrate. The substrate is then folded into a light recycling cavity where the LEDs are facing the inside of the cavity.

Abstract: A lighting device with at least one lighting unit for vehicles, preferably motor vehicles. The lighting device comprises at least one illuminant unit with one circuit board, and with at least one illuminant attached to the circuit board, connected to the conductive paths of the circuit board through contacts. The illuminant is positioned at the front face of the circuit board in order to configure the lighting device so that it can be manufactured simply and economically in a particularly flat configuration and in any curved shape. The lighting device is advantageously used in vehicles, preferably in motor vehicles.

Abstract: A fixing structure of a light emitting diode includes an opening part formed in the fixing plate, the opening part being where the light emitting diode is inserted and extending in a fixing direction perpendicular to an inserting direction; a first engaging part configured to engage one of a surface and a rear surface of the brim part in a state where the light emitting diode is fixed; a second engaging part configured to engage another one of the surface and the rear surface of the brim part in the state where the light emitting diode is fixed; and a third engaging part configured to engage the light emitting part of the light emitting diode in the state where the light emitting diode is fixed so that detachment of the light emitting diode in a direction opposite to the fixing direction is prevented.