Abstract: A light-emitting module includes a heat-dissipating structure, a multichip package structure and a protection cover structure. The multichip package structure is disposed on the heat-dissipating structure, and the multichip package structure includes a substrate unit, a light-emitting unit, a frame unit and a package unit. The protection cover structure is disposed on the heat-dissipating structure to cover and protect the multichip package structure, and the protection cover structure has an opening for exposing the package unit.

Abstract: An LED light fixture comprising a contoured light transmissive lens cover pivotally mounted between upper and lower end brackets so as to be movable between an open position and a closed position wherein in the closed position the upper and lower contoured edges of the lens cover mate flushly with the contoured surface of respective upper and lower end caps. A bank of LED carrying housing components are attached between the upper and lower mounting brackets so as to direct illumination toward the lens cover. Expansion brackets may be employed to facilitate addition of one or more additional banks of LED carrying housing components behind a lens cover of longer length to thereby created a sconce fixture of extended length.

Abstract: An illumination system includes an LED module and an illuminated area. The LED module includes an LED, and a lens mounted in light path of the LED. The lens includes a light source recess, a first light emitting surface, a critical reflecting surface, and a second light emitting surface intersecting with the first light emitting surface and being on same side with the first light emitting surface. The first light emitting surface can receive more light quantity than the second light emitting surface. Although the light emitted from the first light emitting surface may have greater attenuation than the light emitted from the second light emitting surface, light emitted from the first light emitting surface can make up the intensity losses of attenuation as the first light emitting surface receives more light quantity than the second light emitting surface. As a result, the illumination system has a uniform illumination pattern.

Abstract: Disclosed herein is a sheet comprising a polymeric material; light diffusing particles disposed in the polymeric material; and a non-random surface texture on a surface of the sheet; wherein the surface texture comprises hemispherical structures, partial hemispherical structures, ellipsoidal structures, immersed spherical beads, ellipsoidal beads, “bell-shape” bump, complex lens shape structures, pyramidal structures, reversed pyramidal structures, or combinations comprising at least one of the foregoing. The sheet has excellent hiding power and transmission at the same time and is suitable for LED light cover applications. The unit structures have an aspect ratio of 0.15 to 0.

Abstract: Exemplary embodiments of the present invention relate to an aspherical light emitting diode (LED) lens and a light emitting device including the same. The aspherical LED lens includes a light exit plane concavely depressed near a central axis, a light entrance plane including a conical plane having a vertex located on the central axis, and a plurality of protrusions arranged on a portion of a side surface of the light exit plane. The aspherical LED lens has a radially symmetrical structure with respect to the central axis.

Abstract: An LED light source lamp includes a housing configured to be attached to a lamp holder; an LED module provided in the housing; a drive circuit provided in the housing and configured to drive the LED module to cause the LED module to emit light; an LED installation plate on which the LED module is installed; a cover arranged to block an optical axis of the LED module and configured to transmit light emitted from the LED module; and a separation member configured to separate the drive circuit from a space between the LED module and the cover in the housing. The LED installation plate has a rear surface, opposite the surface on which the LED module is installed. The rear surface is configured to closely contact the lamp holder, and is a part of the housing.

Abstract: An illumination system includes at least an LED module, and at least an illuminated area. The LED module includes an LED, and a lens mounted in light path of the LED. The lens includes a light source recess, a first light emitting surface, a critical reflecting surface, and a second light emitting surface intersecting with the first light emitting surface and being on same side with the first light emitting surface. The first light emitting surface can receive more light quantity than the second light emitting surface. Although the light emitted from the first light emitting surface may have greater attenuation than the light emitted from the second light emitting surface, light emitted from the first light emitting surface can make up the intensity losses of attenuation as the first light emitting surface receives more light quantity than the second light emitting surface. As a result, the illumination system 100 have uniform illumination pattern.

Abstract: The invention relates to a luminaire with LED technology, which comprises a power supply, wiring, a plurality of electronic components (7), a translucent or transparent closure (5), a protective housing (3) for the lighting system, and at least one electronic base plate (1) having a plurality of LEDs (2), the luminaire being characterized in that it comprises a thin film which is made of highly reflective material and is applied to at least 5% of a first surface (4a) defined by the surface of said at least one electronic base plate (1) and the electronic components (7) adjacent thereto; and/or is applied to at least 5% of a second surface (4b) defined by the inner surface of the protective housing (3) between said at least one electronic base plate (1) and the translucent or transparent closure (5).

Abstract: An LES is a surface from which light emanates from a lighting fixture. The present disclosure relates to a providing a lighting fixture that has an actual light emitting surface (A-LES), which is substantially smaller than the maximum potential LES (M-LES) for the lighting fixture. The M-LES is defined as the theoretical maximum LES for the mounting structure of the lighting fixture, and the A-LES is defined as the actual LES of the lighting fixture, as dictated by the lens or optical structures of the lighting fixture. The A-LES may provide an LES that is not only smaller, but also shaped differently, from the M-LES, to help control the light output of the lighting fixture based on the lighting application.

Abstract: A lighting device, in particular in the form of a ceiling, wall, floor or outside light, having a punctiform light source, preferably in the form of an LED, and a lens assigned to the light source, which has a light entry recess in the form of a bowl or blind hole, which deflects at least part of the incident light, indirectly or directly, onto a totally reflecting and/or mirrored lateral surface, which in turn deflects the light onto a light exit surface, which forms a front side of the lens located opposite the light entry recess. The lateral surface of the lens, which deflects the light coming directly or indirectly from the light entry surface onto the light exit surface by means of total reflection and/or mirroring, is provided with a multiplicity of facets.

Abstract: An LES is a surface from which light emanates from a lighting fixture. The present disclosure relates to a providing a lighting fixture that has an actual light emitting surface (A-LES), which is substantially smaller than the maximum potential LES (M-LES) for the lighting fixture. The M-LES is defined as the theoretical maximum LES for the mounting structure of the lighting fixture, and the A-LES is defined as the actual LES of the lighting fixture, as dictated by the lens or optical structures of the lighting fixture. The A-LES may provide an LES that is not only smaller, but also shaped differently, from the M-LES, to help control the light output of the lighting fixture based on the lighting application.

Abstract: Disclosed is a lens including a light emitting surface. The light emitting surface of the lens according to the embodiment of the present invention has a coordinate obtained by subtracting a Bezier coordinate corresponding to an aspheric coordinate from the aspheric coordinate.

Abstract: A LED tube having double heat sinks is disclosed. One of the embodiment shows a first plurality of light unit is fixed onto the top heat sink, and a second plurality of light unit is fixed onto the bottom heat sink, while with the light chips configured in between the two heat sinks for light emission to the ambient.

Abstract: An optical lens module includes a lens body and a transflective unit. The lens body has a central axis, and has an incident surface, a refractive surface and a side refractive surface. The refractive surface includes a refractive arc-surface and at least one auxiliary refractive surface on the side of the refractive arc-surface. The transflective unit covers the refractive surface. The light incident on the refractive surface is diverged away from the central axis and the diverged light on the transflective unit is partially through the transflective unit and partially reflected to travel out of the lens body through the side refractive surface. The light incident on the transflective unit is reflected to travel out of the lens body through the side refractive surface. The light incident on the side refractive surface is refracted out of the lens body through the side refractive surface.

Abstract: An LED lamp may include at least one support equipped with at least one LED, a lamp base, at least one circuit component, interposed between the lamp base and the at least one LED, for operating the at least one LED, and a lamp body made of optically transmissive material with a recess for holding at least that part of the support which carries the at least one LED, the lamp body having surface structuring for cooling by thermal convection, wherein the surface structuring comprises a multiplicity of elevations, and wherein the elevations are respectively designed in the form of islands.

Abstract: A light-emitting apparatus includes at least one light-emitting unit and a lens. The lens includes an accommodating portion, and at least a part of the light-emitting unit is disposed to the accommodating portion. The accommodating portion has a light incident surface, and the ratio of a distance from the light incident surface to the light-emitting unit to a side length of the light-emitting unit is less than 0.5. Thereby, a backlight module using the light-emitting diode (LED) as the light source can emit uniform light, and also the number of the required LED can be decreased.

Abstract: Exemplary embodiments of the present invention relate to an illumination lens disposed over a light-emitting diode (LED). The illumination lens includes an internal surface surrounding the LED and configured to intercept light emitted by the LED, wherein the internal surface comprises an arch-shaped non-rotationally symmetric, elongated horizontal cross-section. The illumination lens also includes an external surface comprising a central cusp, the external surface extending laterally with non-axially-symmetrical profiles in different horizontal directions, the non-axially-symmetric profiles being elliptical with respect to a tilted major axis of the illumination lens, wherein the light-emitting device is configured to produce an elongated illumination pattern.

Abstract: An LED lamp has a lamp body, a base provided on one end of the lamp body, a light transmissive cover provided on an opposite side of the lamp body from the base, a light source substrate disposed inside the light transmissive cover, and at least one LED unit mounted on the light source substrate. The LED unit has an LED chip and a light transmissive encapsulant encapsulating the LED chip. The LED chip is mounted on the light source substrate. The encapsulant is molded such that the encapsulant is raised from the light source substrate. The LED unit radiates light from an entire surface of the encapsulant in an angular range including a region around a periphery of the LED unit.

Abstract: Provided is a light emitting diode (LED) lighting system. The system includes one or more LEDs and a transparent membrane positioned in cooperative arrangement with the LEDs. The transparent membrane is configured to control light produced by the LEDs and produce sound old.

Abstract: A lighting device that includes a first panel of light sources, where the first panel has a first edge. The lighting device can also include a second panel of light sources, where the second panel has a second edge, where the second edge of the second panel of light sources is mechanically coupled to the first edge of the first panel of light sources. The first panel of light sources and the second panel of light sources can form an angle relative to each other. Adjusting the angle can adjust the light output from the light sources. Such an angle can be formed based on a target level of light received by a target area.

Abstract: A lighting assembly having a plurality of light sources and a lens matrix having a plurality of lenses. The lens matrix may be positioned relative to the light sources so that each light source resides in a first orientation within one of the lenses and emits a light distribution. Relative translation between the light sources and the lens matrix alters the orientation of the light sources within the lenses, creating a different light distribution. A light source's orientation may change within the same lens, or the light source may translate to a different lens to alter the distribution of its emitted light.

Abstract: Disclosed is an optical lens for guiding light of an LED to produce a quasi-elliptical light pattern, and the optical lens has a lens body. The optical lens comprises an emitting surface and an incident surface. The emitting surface is a curved surface, and an illumination side of the emitting surface is in a quasi-elliptical shape with a long axis and a short axis, and the length of the long axis is a, and the length of the short axis is b, and the lens body has a lens height c. The length a of the long axis, the length b of the short axis, and the lens height c satisfy the relations of 1<a/b?1.67 and 2?a/c?6. Therefore, an LED backlight source or a general illumination with a wide scope of applicability, a reduced number of LEDs and an improved illuminating uniformity.

Abstract: The present invention is directed to a lighting master, which includes a base and a lighting module. A region defined between the base and a housing accommodates a power module. The lighting module is disposed over the base. The base has an outer surface to be bonded with an inner surface of the housing.

Abstract: A light emitting device with at least one LED die, a filter element and a reflective element. The filter element may be configured to preferentially attenuate light passing through the filter element, such that light output has improved color uniformity when compared to similar light emitting devices without a filter element.

Abstract: An exemplary embodiment of the present invention discloses a light emitting diode (LED) lighting apparatus with a housing, a lighting module and a diffusion cover. The lighting module includes a circuit board combined with the housing, and a plurality of light emitting diodes mounted on the circuit board to generate light, the light emitting diodes in a first region being arranged with a first distance and the light emitting diodes in a second region being arranged with a second distance that is greater than the first distance. The diffusion cover is combined with the housing such that the diffusion cover covers the lighting module. The diffusion cover has a groove portion at a region corresponding to the second region.

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: LED light bulbs include openings in base or cover portions, and optional forced flow elements, for convective cooling. Thermally conductive optically transmissive material may be used for cooling, optionally including fins. A LED light engine may be fabricated from a substrate via planar fabrication techniques and shaped to form a substantially rigid upright support structure. Mechanical, electrical, and thermal connections may be made between a LED light engine and a LED light bulb.

Abstract: A light dispersion device for providing a predictable lighting pattern comprising a Light Emitting Diode (LED) source and a lens. The lens comprising a first optical element for collecting light emitted by the LED source and refracting light into an intermediate lighting pattern, and a second optical element for collecting at least light refracted in the intermediate lighting pattern and refracting light into the predictable lighting pattern. A lens comprising a first optical element for collecting light emitted by a source of light and refracting light into an intermediate lighting pattern, and a second optical element for collecting at least light refracted in the intermediate lighting pattern and refracting light into the predictable lighting pattern.

Abstract: A scattered photon extraction light fixture includes an optic element having a first surface; a light source for emitting short wavelength radiation, the light source disposed opposite, perpendicular, or tangential to the first surface of the optic element; a wavelength-conversion material, disposed on the first surface of the optic element, for receiving and down converting at least some of the short wavelength radiation emitted by the light source and transferring a portion of the received and down converted radiation; and one or more reflectors positioned opposite the wavelength-conversion material. A scattered photon extraction light system includes a plurality of light emitting fixtures. One or more wavelength-conversion materials, in the embodiments of the present invention, are disposed remotely from the light source(s), and used to absorb radiation in one spectral region and emit radiation in another spectral region.

Abstract: In the specification and drawings a lighting apparatus is described and shown with a first light source having a light output with a central axis; a first reflector; and a first lens positioned between said first light source and said first reflector, such that at least a portion of the light output of said first light source passes through said first lens, and is redirected by said first reflector. Also described and shown in the specification and drawings is a lighting apparatus kit, as well as a method of illuminating an area.

Abstract: Disclosed is a light deflector including a light-emitting element configured to emit a light beam with a substantially elliptical cross-sectional shape, and a lens configured to condense light emitted from the light-emitting element, wherein an optical axis of the light-emitting element and an optical axis of the lens are decentered and a longitudinal axis of the light beam with the substantially elliptical cross-sectional shape is arranged in a direction orthogonal to a direction of decentering on the lens.

Abstract: A light emitting diode (LED) work light and associated method of controlling the LED work light. The LED work light includes a power source, a casing including a handle section, at least one LED mounted to illuminate light from the casing, at least one lens forward of the LEDs to focus light from the LEDs, a control switch designated to at least turn on and turn off the LEDs, and a controller. The controller may be configured to, in response to activation of the control switch, provide control of the power source to the LEDs to transition from a first illumination state to a second illumination state of the illumination of the LEDs, the transition being illumination defined by a specified function over time defined to slow a transition time of the transition.

Abstract: A light source module includes a circuit board, a light-emitting diode, a lens, and a lamp screen. An upper surface of the lens has a first recessed portion including a flat surface and a curved side surface. The flat surface is at the center of the upper surface. The curved side surface surrounds the flat surface and stretches to the flat surface from a side surface of the lens to form the first recessed portion. A lower surface of the lens has a second recessed portion defining a recessed space and includes a curved surface and a sidewall portion. The curved surface is a convex surface and opposite to the flat surface. The sidewall portion surrounds the recessed space. An inner surface of the sidewall portion is concaved. The light-emitting diode is disposed in the recessed space. The lamp screen is used to diffuse the light passing through the lens.

Abstract: A retrofit light emitting diode (LED) lighting luminaire designed to have detachable and replaceable components for convenience and low cost in the luminaire maintenance including a heat dissipation member that includes detachable upper and lower sections with aligned radially extending fins, and a driver retained within the luminaire. The LED chip is retained against a surface of the lower heat dissipation member so that heat from the LED is transmitted to the radially extending fins to thereby effectively cool the LED lighting source and driver.

Abstract: A lighting device (1, 1?) having a tube (2), at least sections of which are transparent, and a plurality of light-emitting diodes (LEDs) (4), the LEDs being arranged within the tube next to one another and parallel to the tube longitudinal axis (L), wherein at least one separate optical means (5, 6; 5?, 6?) is arranged within the tube (2).

Abstract: A bulb for a semiconductor luminous device is provided. The bulb is three-dimensionally extended and includes at least one optically effective surface structure. A semiconductor luminous device may include at least one semiconductor light source and an optically transmissive bulb for transmitting light emitted by the at least one semiconductor light source, the bulb being three-dimensionally extended and comprising at least one optically effective surface structure, wherein the bulb encloses at least one semiconductor light source.

Abstract: A semiconductor incandescent lamp retrofit lamp may include: at least one semiconductor light source, at least one light scattering body, and at least one optical waveguide, into which light of the at least one semiconductor light source can be coupled, wherein the at least one light scattering body is configured and arranged for the purpose of diffusely emitting light supplied thereto from the at least one semiconductor light source by way of the at least one optical waveguide.

Abstract: Floor lamps with arch-shaped support rod are provided. Such floor lamps include a cap and a dome-shaped wall projecting from the top of the cap which is provided with a plurality of through-holes. An LED optical group provides a dissipation plate in contact with the dome-shaped wall. The plate has a plurality of holes or lugs along the peripheral edge, to reproduce the edges of the holes of the dome-shaped wall. The dissipation wall is thereby concealed from the observer.

Abstract: An LED bulb including a light-emitting portion having an LED element as a light-emitting source, wherein the light-emitting portion includes an LED module having an LED substrate elongated in one direction and a plurality of the LED elements arranged so as to be arrayed in the longitudinal direction of the LED substrate on at least one of surfaces of the LED substrate, the LED module being incorporated in an optical member, and the optical member includes an optical functional portion configured to direct light in the direction of an extension of the LED substrate in the longitudinal direction thereof.

Abstract: A lighting apparatus and method for making the same are presented. In some aspects the apparatus includes a plurality of LED light sources mounted to a metal circuit board in a housing of the apparatus. In other aspects a light-permissive potting compound is disposed in the space between the LEDs and circuit board and the housing of said apparatus so as to permit exit of light from said LEDs while providing mechanical protection for the circuit board and LEDs and removing heat generated from said LEDs.

Abstract: An illumination system includes a wavelength-transforming device, a solid-state light-emitting element and a filter wheel. The wavelength-transforming device comprises a segment and a wavelength-transforming element disposed on the segment. The solid-state light-emitting element emits first color light in first waveband region to the wavelength-transforming device. The filter wheel is disposed on one side of the wavelength-transforming device for filtering lights via rotating. The first color light is excited as second color light in second waveband region by the wavelength-transforming device, so that the second color light is outputted with the rest of the first color light. The first and second color lights are transmitted through the filter wheel, such that three primary color lights are sequentially projected.

Abstract: An optical lens includes: a lens body having an outer surface extending in a longitudinal direction (a first direction) and formed to be symmetrical in a lateral direction (a second direction); and a cavity formed at a lower portion of the lens body and having inner side faces asymmetrical in the longitudinal direction.

Abstract: A lens system includes multiple light emitting diode sources. The lens system further includes optics configured to capture and direct light from the multiple light emitting diode sources. The system generates a 360° horizontal beam pattern and a predetermined vertical beam pattern.

Abstract: The present invention directs a LED bulb. The LED bulb, including: a stand, a end of which being shaped of thread, and a driver which is sleeved in inner chamber of the stand, a lamp housing which comprises a T-like top portion and a bottom portion is arranged on the stand; a sleeve is located on the bottom portion of lamp housing; a pedestal is formed by the top portion of lamp housing which is stretched protuberantly along radial direction as a rotating track of a cone, a ring-shape groove is formed on the pedestal to communicate with a inner chamber of bottom portion of the lamp housing in the concentric circle direction and make a inner portion of a lampshade communicated with the outside, a tube formed on top portion of the lamp housing in the center thereof is communicated with the bottom portion of lamp housing.

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: There is provided a lighting device which emits light with an efficacy of at least 60 lumens per watt. The lighting device comprises at least one solid state light emitter, e.g., one or more light emitting diodes, and optionally further includes one or more lumiphor. In some embodiments, the output light is of a brightness of at least 300 lumens. In some embodiments, the output light has a CRI Ra of at least 90. Also, a method of lighting, comprising supplying electricity to a lighting device which emits light with an efficacy of at least 60 lumens per watt.

Abstract: A game system 1 related to the present invention includes: slot machines 3A to 3J in each of which a base game is executed with a game value being bet; a shared display 201 which displays predetermined content; and a lighting device 120. The lighting device 120 related to the present invention includes: an LED 135 which emits light; a cover 121 which is positioned so as to receive light emitted from the LED 135, and has a hemispherical shape and translucency; and an aluminum layer serving as a metal layer which is vapor-deposited onto the cover 121, and transmits a predetermined amount of light emitted from the LED 135.

Abstract: The present invention relates to a light emitting diode, LED, light source that may be arranged for retrofitting into a luminaire employing an incandescent light source. The light source comprises a light guide into which light from one or more LEDs in a light unit arranged at one end of the light guide is injected, and a reflector having a reflecting surface arranged at the other end of the light guide and facing towards the light guide capable of reflecting light incident on the reflecting surface. According to the present invention, the reflecting surface can be arranged in a number of exemplary ways such as to enable the light emitted from the light source to have a spatial intensity distribution that is similar to the light intensity distribution of an incandescent light source.

Abstract: A profiled surface for improving the propagation of radiation through an interface is provided. The profiled surface includes a set of large roughness components providing a first variation of the profiled surface having a characteristic scale approximately an order of magnitude larger than a target wavelength of the radiation. The profiled surface also includes a set of small roughness components superimposed on the set of large roughness components and providing a second variation of the profiled surface having a characteristic scale on the order of the target wavelength of the radiation.

Abstract: Systems and methods for OLED lighting panels are provided in which a light extraction block is optically coupled to a light source. The light extraction block includes a plurality of non-parallel light emitting surface normals. At least one light diffusing layer covers a surface of the light extraction block. The light diffusing layer may be positioned, for example, on a light emitting surface of the light extraction block and/or on a mating surface of the light extraction block. The plurality of light emitting surface normals may be located on different non-parallel light emitting surfaces of the light extraction block, or on different points of a curved emitting surface. All of the light emitting surfaces and/or the mating surface, of the light extraction block may be covered by a light diffusing layer. The optical emission intensity and/or the optical emission color from the plurality of light emitting surface normals may be substantially equal.