Abstract: A wide-area solid-state illumination system employing a waveguide with two-sided segmented light emission and one or more compact solid-state light sources, such as LEDs, coupled to an edge of the waveguide. The waveguide is made of a thin sheet of optically transmissive material with a uniform thickness and has a plurality of light extraction areas distributed over the waveguide's area according to a two-dimensional pattern. The light extraction areas are separated from one another by separation areas and have different densities of light extraction surface structures. The surface structures are configured to distribute light from both sides of the waveguide. At least some of the light extraction surface structures are formed by discrete surface microstructures spaced apart from one another by distances which are greater than sizes of the individual discrete surface microstructures and at least five times less than a width of the separation areas.

Abstract: A light projector for signalling high obstacles, having an elongate cylindrical lens, a linear light source in which the light projector has at least two reflectors and at least one of the reflectors is an upper reflector positioned above the horizontal plane of symmetry of the cylindrical lens and below an upper surface of the cylindrical lens, and at least one of the reflectors is a lower reflector positioned below the horizontal plane of symmetry of the cylindrical lens and above a lower surface of the cylindrical lens, the reflectors being configured to interrupt light rays from the light source that are oriented outside the elevation angular sector of the main flat light beam is disclosed.

Abstract: Wide-area solid-state illumination system, including one or more linear arrays of compact solid-state light sources, such as LEDs, an optical waveguide, and a light distributing grid panel. The optical waveguide comprises a thin sheet of an optically transmissive material which is optically coupled to the plurality of compact solid-state light sources and configured to distribute light from a first broad-area surface and an opposing second broad-area surface. A light extraction pattern is formed in the first broad-area surface and defines a plurality of light extraction areas alternating with separation areas.

Abstract: The present invention is an optical LED light display incorporating one or more louvers operable to limit the light emission in a specified direction from a LED diode within the LED light display, each louvers being positioned in relation to each LED light element in the LED light display. The specified direction of the light emission may be towards a target audience or a target direction. A method of the present invention that may be implemented by a software program processed by computer processors of a computer device, may be operable to enable the design of the LED display louver for installation in a specific area to enable simultaneous elimination of light trespass and preservation of image quality for the target audience. A LED light display can be manufactured, configured and installed in accordance with the method.

Abstract: A main light and a secondary LED light for generation lumination of particular light characteristics in a particular direction. This includes an LED lighting fixture having a main light in a ceiling/wall lamp and a nightlight transmitting nightlight illumination along a ceiling. Downlights are disclosed having a main illumination source a secondary lumination source as a nightlight or some other illumination.

Abstract: A lighting apparatus includes multiple LED packages, a substrate and a driver. The LED package module includes a package housing, a LED chip and a second LED chip, a first fluorescent layer, and a second fluorescent layer. The first fluorescent layer is stacked below the second fluorescent layer. A light emitting area of the first chip is placed in the first fluorescent layer. A light emitting area of the second chip is placed in the second fluorescent.

Abstract: Wide-area solid-state illumination devices and systems, including one or more linear arrays of compact solid-state light sources, such as LEDs, a light guiding sheet of an optically transmissive material optically coupled to the light sources, and an optically opaque grid panel defining a series of openings for light passage. The light guiding sheet includes a light extraction surface pattern having a series of light extraction areas alternating with separation areas. The light guiding sheet is positioned over the grid panel such that the light extraction areas are disposed in registration with the openings in the grid panel.

Abstract: A lighting device (21), comprising a light source (21.1); a power controller (21.2; 21.20) configured to control the supply of electrical power to the light source (21.1) such that upon receipt of a start signal, the supplied electrical power is increased from a first value to a second value, the first value being different from zero and the second value being greater than the first value; and an input (21.4) for supplying the start signal.

Abstract: The present disclosure relates to a lamp comprising a PCB board and an integrated heat dissipation device, wherein the PCB board is a double-sided PCB board on both sides of which are suitable for installing LED lamp beads, the PCB board has two heat dissipation edges arranged relatively to each other, the integrated heat dissipation device comprises a heat sink and two heat dissipation arms, wherein the heat dissipation arms and the heat sink are integrally formed with the medium, and the two heat dissipation arms are respectively fitted snugly with the two heat dissipation edges. The lamp provided by the present disclosure is assembled with a double-sided PCB board and an integrated heat dissipation device to improve the integration degree of the PCB board and the heat sink.

Abstract: This light reflection device comprises: first reflective surfaces (157) whereby light from an exit surface S of a light source (151) is reflected; and second reflective surfaces (160) whereby the light reflected at the first reflective surfaces (157) is reflected in the exiting direction of the light from the exit surface S. In a plane containing a light axis L of the light source (151), the first reflective surfaces (157) have a shape wherein portions from two ellipses E1, E2 are connected at the light axis L, first focal points F1 from the respective ellipses E1, E2 being disposed on the second reflective surfaces (160). If the light source (151) is disposed in such a manner that, in the plane, second focal points F2 from the respective ellipses E1, E2 are positioned on the surface S, the angle between the light axis L of the light source (151) and the orientation of the reflected light on the second reflective surfaces (160) is less than 90°.

Abstract: A light control grid has a collapsible frame having an outer flexible band with straight sides supported by flexible strips, where each side is sewn to an adjacent side to form an enclosed polygonal perimeter, and the sewn junctions of the adjacent sides form pockets. Intersecting sets of flexible light control strips are sewn by the ends to the inner side of the flexible band to form light channels. A tape spring is inserted into a flexible sheath assembly for each side of the outer band, with each end inserted into the two pockets for that side, where slits near the end of each light control strip provide clearance for the sheath assembly to be inserted therethrough. Optionally a central flexible light control strip is replaced with a bracing cross member extending across the polygonal perimeter.

Abstract: Described are an improved automated multi source luminaire and luminaire systems. More particularly a multicolor LED array luminaire system with a series of lenses and light louvers to control the light beam.

Abstract: Example embodiments provide lighting fixture mounting kits for mounting a flat panel lighting fixture to a mounting surface. One mounting kit comprises a mounting frame and a lighting fixture. When the mounting frame is secured to the mounting surface, a junction box is accessible therethrough. The mounting frame and lighting fixture are shaped for engagement and attachment to one another. Another mounting kit comprises a mounting plate and a lighting fixture. The mounting plate may comprise indexing tabs for alignment with corresponding indexing slots of the lighting fixture and extending outwardly from a plate portion of the mounting plate. The lighting fixture may comprise a back portion having therein one or more indexing slots for receiving an indexing tab therein. Insertion of the indexing tab into the indexing slot guides the engagement of the lighting fixture with the mounting plate.

Abstract: A lighting control device is mounted in a photoflash and comprises a fixing seat and a honeycomb grid installed in said fixing seat. The terminal of an extension of one end of the honeycomb grid has a first installation member, and the other end of the honeycomb grid has a honeycomb member. An annular region of the outer surface of the honeycomb member, which is adjacent to the first installation member, has a second installation member. In application, the first or second installation member is sleeved by the fixing seat to make the photoflash generate a desired lighted area according to requirement. Thereby, the present invention can change the distance between the honeycomb member and the photoflash and adjust the area lighted by the photoflash via varying the installation way of the honeycomb grid.

Abstract: A light duct elbow having two light conduits capable of transporting light along two different propagation directions. A light diverter is located between the light conduits and has a reflector for directing light along the light conduits. In the light duct elbow, a light ray propagating within a collimation angle in the first light conduit that intersects the reflector is diverted to a second light ray propagating within the collimation angle in the second light conduit.

Abstract: There is provided a luminaire apparatus for illuminating an object. The luminaire apparatus may also include a light module housing that is to be substantially parallel to the object and includes a light module recess. Further, the luminaire apparatus includes lighting module configured to be disposed within the light module recess and configured to be oriented substantially parallel to the object. Additionally, the luminaire apparatus includes a housing mounting member configured to be attached to the light module housing.

Abstract: An emergency vehicle light fixture includes, among other things, an elongated body having a reflective surface formed by a series of alternating linear and revolved parabolic segments. The series of alternating linear and revolved parabolic segments are coextensive along the height of the reflective surface and have an optical axis. Each of the alternating linear and revolved parabolic segments has a focal point that lies along a common axis that is orthogonal to the optical axis.

Abstract: The light fixture includes a frame, a substantially flat light emitting diode (LED) panel disposed within the frame, power circuitry disposed within at least one of a number of channels within the frame, and a central wire-way. The frame includes a bottom assembly and a top assembly coupled to the bottom assembly. The bottom assembly and the top assembly cooperate to form the channels within the frame. The bottom assembly has a back surface. The power circuitry is configured to electrically couple the substantially flat LED panel to an external AC power supply. The central wire-way is disposed adjacent the back surface of the bottom assembly and configured to route wiring to or from the power circuitry disposed within at least one of the channels within the frame.

Abstract: An optoelectronic semiconductor chip (10) is specified, comprising a semiconductor layer sequence (20) having at least two active regions (21, 22) arranged one above another, wherein the active regions (21, 22) each have a first semiconductor region (3) of a first conduction type, a second semiconductor region (5) of a second conduction type and a radiation-emitting active layer (4) arranged between the first semiconductor region (3) and the second semiconductor region (5). The optoelectronic semiconductor chip (10) comprises a mirror layer (6), which is arranged at a side of the semiconductor layer sequence (20) facing away from a radiation exit surface (13), and at least two electrical contacts (11, 12) which are arranged at a side of the mirror layer (6) facing away from the radiation exit surface (13). Furthermore, a light source (30) comprising the optoelectronic semiconductor chip (10) is specified.

Abstract: A lighted display assembly for an appliance includes interchangeable display screens. Multiple light sources flash, turn on and turn off to indicate a status of the appliance by illuminating a selected one of the display screens. A display grid extends between the light sources and the selected display screen and defines light passages that are each uniquely associated with a corresponding light source. Light emitted by each light source is confined to a discrete area of the display screen by the corresponding light passage. The discrete areas of the interchangeable display screens may include any of a variety of markings, for example, markings in a different language. The assemblies may be tailored to the needs of a particular customer by selecting an appropriate display screen.

Abstract: A display device includes a backlight module, a display panel, a prism film, a light-splitting layer, and a grating layer. The light-splitting layer splits light into a first backlight group and a second backlight group, wherein the two groups are inclined in different directions relative to a light-emitting surface of the backlight module. The grating layer allows the first backlight group to pass while blocking the second backlight group. The prism film has a plurality of prisms disposed facing the display panel. Each prism has a first surface and a second surface, wherein the angle between the first surface and the normal line to the light-emitting surface is greater than the angle between the second surface and the normal line to the light-emitting surface.

Abstract: An optical sheet, which can suitably absorb external light over a wide range and can improve a contrast, a display device, and a method for producing an optical sheet. The optical sheet is disposed on an observer side relative to an image light source and includes: a plurality of layers that control light emitted from the image light source to emit the light on the observer side, wherein at least one of the plurality of layers is an optical functional sheet layer which includes prisms being arranged in parallel along the surface of the optical sheet whereby light can be transmitted and wedge portions are arranged in parallel between the prisms whereby light can be absorbed. At least one of the plurality of layers other than the optical functional sheet layer is a light-absorbing layer.

Abstract: The invention relates to illumination, especially to a grid for illumination apparatus. This invention provides a grid (100) for attenuating electromagnetic radiation from a light source. The grid comprises a plurality of baffles (110), each baffle being electro conductive, wherein the plurality of baffles are configured to form a plurality of cells (120), each cell being formed as a waveguide so as to attenuate the electromagnetic radiation from the light source. In this way, the electromagnetic radiation from the light source can be reduced or prevented so as to decrease the danger to users.

Abstract: The invention is an optical element for limiting the propagation of light in oblique directions with respect to the optical element surface, and includes: a transparent substrate and a light ray control layer formed on a flat surface of said transparent substrate, wherein the light ray control layer has a transparent portion and a light absorbing portion, the transparent portion has a plurality of independent pattern elements having an identical configuration separated by said light absorbing portion and arranged at intervals.

Abstract: A display device includes: a display panel; a resin layer on the display panel and having a first protrusion having a first style on a surface thereof; a first window on the resin layer and having a second protrusion having a second style on a surface thereof; and a second window on the first window.

Abstract: Some embodiments provide a fenestration apparatus including at least one glazing pane capable of being installed in an opening of a building envelope and a tessellated structure disposed adjacent to the at least one glazing pane. The tessellated structure can include at least one partition having a first face and a second face. The at least one partition can define a plurality of spatially separated cells within a substantially contiguous region of the opening. Each of the plurality of spatially separated cells can have a cell width and a cell depth. Each of the plurality of spatially separated cells can be at least partially surrounded by the first face of the at least one partition, the second face of the at least one partition, or a combination of the first face and the second face of the at least one partition.

Abstract: A panel with an optically transmissive portion includes a group of holes drilled from one surface to another surface and filled with an optically transmissive material. The group of holes forms a pattern. The holes on a first surface form a smooth and continuous appearance to the naked eye. The holes on the other, second surface are sized so that a light source directed to the second surface illuminates the pattern to be visible to a viewer viewing the first surface. The panel may form a portion of a housing that houses the light source.

Abstract: A display device comprises a support, on which there are arranged LED and a light distributing body above the luminous means with a direction of light emission away from the support and the LED. The light distributing body is a three-dimensional body with a light entrance side facing towards the LED and a light exiting side facing away from the LED. The light distributing body consists of transparent material and the light entrance side is shaped to optimise uniform light distribution from the LED to the light exit side, which may take the form of a diffuser.

Abstract: Described are an improved automated multi source luminaire and luminaire systems. More particularly an multicolor LED array luminaire system with a series of lenses and light louvers to control the light beam.

Abstract: Provided is an optical element manufacturing method that is capable of forming various kinds of shapes and capable of achieving sophisticated functions, improved yields, and cost reductions. The method includes: a step that applies a transparent photosensitive resin on a transparent substrate with light-shielding patterns provided thereon; a step that forms transparent layers by performing patterning through irradiating exposure light of an arbitrary amount on the transparent photosensitive resin via the transparent substrate with the light-shielding patterns provided thereon; a step that forms light absorption layers by filling a black curable resin between the transparent layers; and an irradiation step that irradiates the exposure light in an oblique direction to the surface of the transparent substrate where the light-shielding patterns are formed in a state where the transparent substrate is being bent.

Abstract: Induction lighting systems and kits are disclosed, and information displays, for example electric signs, using induction lighting systems are disclosed. Methods of assembly are also disclosed.

Abstract: A lighting fixture for use in video conferencing and general illumination includes a housing forming an interior cavity. The housing has an opening in a bottom portion thereof. The lighting fixture also includes at least one light holder for holding at least one light source positioned within the interior cavity of the housing, at least one diffuser plate positioned over the opening of the housing, and a plurality of louvers adjacent to the diffuser plate over the opening of the housing. Each of the plurality of louvers is positioned at an angle such that light produced by the light source is directed to a specific area.

Abstract: Transflective articles comprising a first layer having a first, outer major surface having a plurality of apertures therein; and a second layer having a major transflective surface. The transflective articles are useful, for example, in light assemblies.

Abstract: A lamp comprises a base, at least one light source arranged on the base, a cover positioned on the base and covering the light source, and a structured film arranged adjacent to the light source. The structured film has at least one micro structure configured for guiding part of the light backward emitted from the light source.

Abstract: An optical element manufacturing method according to the present invention includes: disposing a mask on a transparent photosensitive resin; patterning said transparent resin by applying an exposure light to said transparent photosensitive resin through said mask to form a transparent layer; forming a light absorbing layer by filling a gap in the transparent layer with a black curable resin; and illuminating a mask surface of the mask with the exposure light at an angle.

Abstract: A task lighting apparatus produces glare-free illumination of a work area. The apparatus includes a shade defining a cavity having an opening, a light source positioned to emit light into the cavity, and a glare control member disposed within the opening wherein the diffuser comprises a louvered array of dual brightness enhancement film.

Abstract: A lighting device may be provided that includes a case including: a bottom plate; walls extending from ends of the bottom plate; and louvers coupled to and inclined from respective edges of the walls; a light emitter disposed on the bottom plate; and a diffuser plate spaced apart from the light emitter and disposed between the walls, wherein each of the louvers is oriented at an obtuse angle relative to the diffuser plate and wherein the light emitter includes an LED.

Abstract: Movable lighting device for lighting interiors, characterized in that it consists of a three-dimensional geometric body that has translucent or transparent faces, inside which is a light source, and in that the lateral faces thereof have horizontal-slat Venetian-type blinds.

Abstract: A micro-louver (1) includes: a transparent substrate (2); a concavoconvex shape portion (5) formed on at least one surface of the transparent substrate (2) and in a prescribed pattern for diffracting incident light to form an image; and a light controlling layer (7) including at least one transparent layer (3) and at least light-absorption layer (4) arranged alternately on said at least one surface of the transparent substrate (2), each of said at least one transparent layer (3) and said at least one transparent layer (4) extending in a direction that intersects said at least one surface of the transparent substrate (2).

Abstract: An apparatus where an indirect lighting system is adapted to direct light to a target. The primary optics are arranged to eject a flat beam of uniform intensity light onto an assembly of fractal reflector modules that reflect the beam to the target. The primary optics comprise a light source, and a reflector of stepped facets, located on the surface of a parabolic reflector; the shape and location of each facet being calculated to provide a uniform intensity flat beam.

Abstract: The luminaire has concave side reflectors defining the width W of a light emission window. V-shaped lamellae are present between the side reflectors in the light emission window. Each outer edges of the lamellae has a central portion which is concavely curved and straight end portions which each have a length of 0.15 to 0.25 W. The lamellae louver is suitable for use in the luminaire.

Abstract: An illumination device comprises a light reflecting plate, a circuit board, and a point like light source, the light reflecting plate or a combination of the light reflecting plate and the circuit board forming a receiving concave portion. The point like light source is arranged in the receiving concave portion, wherein a brightness of a light emitted from the point like light source is to be up to 30000 cd/m2, when an incident angle of the light emitted from the light source is zero and 350 mm apart from the light source, and a part or all of the light emitted from the point like light source is reflected from an inner face of peripheral walls of the receiving concave portion and supplied as an illumination.

Abstract: Methods and apparatus for providing sources of light, or mechanical and/or electrical connections for light sources, via a grid system of a suspended ceiling. All or a portion of a grid system for a suspended ceiling may be configured to support the generation of light. Lighting units may be coupled to various portions of the grid system in a removable and modular fashion, so as to be completely or substantially recessed above the ceiling surface, or as pendant components hanging below the ceiling surface. Lighting interface components of the grid system also may be configured to facilitate significant thermal dissipation from lighting units. In one exemplary implementation, one or more LED-based lighting units may be coupled to one or more lighting interface components of the grid system so as to provide controllable multi-color and/or essentially white light.

Abstract: An LED lamp includes a base, an LED module having a plurality of LEDs mounted on a top of the base, and a light-guiding module fixed on the LED module. The light-guiding module includes a plurality of mounted plates and a plurality of inserted plates intersecting and engaging the mounted plates. The mounted plates and the inserted plates cooperatively define a plurality of cavities to receive corresponding LEDs therein for guiding and reflecting light generated by the corresponding LED in a predetermined manner.

Abstract: A modular louver assembly for a bollard luminaire comprises a louver having an upper surface, a lower surface and an opening, a heat sink disposed within the opening of the louver and adjacent the lower surface, a plurality of LEDs disposed about the heat sink on a lower surface of the louver, and, a lens disposed beneath the heat sink.

Abstract: A task lighting apparatus produces glare-free illumination of a work area. The apparatus includes a shade defining a cavity having an opening, a light source positioned to emit light into the cavity, and a glare control member disposed within the opening wherein the diffuser comprises a louvered array of dual brightness enhancement film.

Abstract: Method and apparatus for a range hood. The apparatus can include a housing and a lighting and control unit moveably coupled to the housing. The lighting and control unit can include a user interface and one or more lights. The lighting and control unit can be coupled to a motor that can move a first face of the lighting and control unit outward during use and can move the first face of the lighting and control unit inward when not in use. Some embodiments of the invention provide a fan mounted within the housing and a louver assembly coupled to the housing. The louver assembly can include one or more rotating louvers. In some embodiments, the louver assembly can be rotated downward to access at least one of a filter, a motor, and user interface electronics.

Abstract: The present invention features a system for uniformly distributing luminance and a high degree of collimation from a back light module for flat-panel, liquid crystal displays (LCDs) simultaneously. A constant and uniform luminance output of the back light module in two directions is obtained through appropriate selection of lamps, geometry and optical components. An appropriate balance of lamps, lamp spacing, diffusers and light collimating optics are chosen to produce a high brightness back light module with very high intensity output over two very large surfaces. Variations in intensity over the illuminated area are minimized using light recycling in conjunction with the reflective diffusers and collimating optics. Precision collimators eliminate light beyond a defined angle, as required in tiled or monolithic flat-panel LCDs with predetermined display specifications.

Abstract: The present invention features a system for uniformly distributing luminance and a high degree of collimation from a back light module for flat-panel, liquid crystal displays (LCDs) simultaneously. A constant and uniform luminance output of the back light module in two directions is obtained through appropriate selection of lamps, geometry and optical components. An appropriate balance of lamps, lamp spacing, diffusers and light collimating optics are chosen to produce a high brightness back light module with very high intensity output over two very large surfaces. Variations in intensity over the illuminated area are minimized using light recycling in conjunction with the reflective diffusers and collimating optics. Precision collimators eliminate light beyond a defined angle, as required in tiled or monolithic flat-panel LCDs with predetermined display specifications.

Abstract: The present invention features a system for uniformly distributing luminance and a high degree of collimation from a back light module for flat-panel, liquid crystal displays (LCDs) simultaneously. A constant and uniform luminance output of the back light module in two directions is obtained through appropriate selection of lamps, geometry and optical components. An appropriate balance of lamps, lamp spacing, diffusers and light collimating optics are chosen to produce a high brightness back light module with very high intensity output over two very large surfaces. Variations in intensity over the illuminated area are minimized using light recycling in conjunction with the reflective diffusers and collimating optics. Precision collimators eliminate light beyond a defined angle, as required in tiled or monolithic flat-panel LCDs with predetermined display specifications.