Abstract: A lens is provided which is elongated along an axis so to accommodate a linear array of LEDs, the elongation of the lens resulting in a corresponding elongation of the beam output pattern; in practice, the axis of elongation may be oriented so to suit a target area or some portion thereof. A methodology is provided for use with said lens so to evaluate various factors such as droop, heat management, and light output for a given combination of light sources and luminaire design. Alternative designs of lens, as well as alternative optical devices, are also presented for use with said methodology.

Abstract: A light-influencing element for influencing the light emission of essentially point light sources having at least two lenses which are juxtaposed and integrally connected to each other, each having a cavity defining a light entrance section of the lens, and a light exit surface opposite the light entrance section, at least two of the lenses being designed differently with regard to their light entrance sections.

Abstract: A high-power, high-brightness lighting system for large venue lighting, which includes a laser diode as the excitation source and one or more phosphor materials placed at a remote distance from the laser source. The invention offers a lighting system with the advantages of high brightness, high efficiency, high luminous efficacy, long lifetimes, quick turn-on times, suitable color properties, environmental sustainability, and easy maintenance, which may allow for smart and flexible control over large area lighting systems with resulting savings in operating and maintenance costs.

Abstract: Provided is a lighting device, including: one or more light emitting units formed on a printed circuit board; a resin layer which is formed on the light emitting units so that the light emitting units are embedded in the resin layer; and a diffusion member formed on an upper side of the resin layer, wherein a protruding optical pattern is formed on at least one of an upper side of the printed circuit board and a lower surface of the diffusion member, whereby various geometric optical patterns can be implemented, an entire thickness can be reduced and when a product is designed, a degree of freedom in design can be improved according to the securing of flexibility.

Abstract: In various embodiments, a lens array comprises a plurality of aspheric lens elements each optically coupled to a light-emitting element and producing an out-of-focus image thereof. The images combine to generate a target luminous intensity distribution, e.g., providing constant illuminance on a plane.

Abstract: A light emitting module includes a first and second light source spaced apart from each other and each configured to generate and emit light; the first light source; and a metal board which is electrically connected to the first and second light sources. The metal board includes a body portion upon which the first and second light sources are disposed; first and second side portions respectively on first and second ends of the body portion; a first insulation layer which is between the body portion and the first side portion and insulates the body portion from the first side portion; and a second insulation layer which is between the body portion and the second side portion and insulates the body portion from the second side portion.

Abstract: A light-source module includes an optical film and at least one light-source unit, which together enclose a space. The light-source unit includes a reflective assembly, a light-concentrating unit and at least one light-emitting assembly. The light-concentrating unit has a light exiting end and a light incidence end, and the light exiting end faces the space enclosed by the light-source unit and the optical film. The optical-axis direction of the light-emitting assembly is defined as a first direction, and the direction perpendicular to both the first direction and the optical film is defined as a second direction. The length of the light-concentrating unit in the first direction is defined as a light-concentrating distance, the width of the light exiting end in the second direction is defined as a light exiting width, and the ratio of the light-concentrating distance over the light exiting width is greater than 0.5 but less than 10.

Abstract: An apparatus, system and method for lighting an area, for example, an outdoors pedestrian area or building façade or an auto traffic area, or an indoor large area, which provides indicator/guide light, reference light for structures, and task lighting for a target area. The method uses first lighting sources that are directly viewable by observers and which can be historical, architectural, or aesthetically selected sources, but which produce a relatively low level of light or luminance insufficient to effectively light the area but sufficient to act as an indicator or guide, as well as to provide reference illumination on buildings or structures. Second lighting sources are configured to produce directional light to light the area but hide the light sources from most conventional observer viewing angles and may be enclosed within the general outlines of the globe or transmissive surface area of the fixture.

Abstract: A light source apparatus is provided which uses a plurality of semiconductor laser devices and which offers adequate heat dissipation. The light source apparatus using a plurality of semiconductor laser devices includes a holding member on which the plurality of semiconductor laser devices is arranged, wherein at least one semiconductor laser device among the plurality of semiconductor laser devices is arranged on the holding member such that a relative position of the semiconductor laser device in an optical axis direction with respect to an adjacent semiconductor laser device in a front view of the holding member is greater than a relative position of the semiconductor laser device in a direction perpendicular to the optical axis direction with respect to the adjacent semiconductor laser device.

Abstract: This invention relates to a lens module and a LED illumination device using the same. The lens module includes a plurality of lens units and a plate. Each of the lens units includes a lens body, a first engaging structure and a second engaging structure. The lens body has a light incident surface at a top thereof and a light exit surface at a bottom thereof. The first and second engaging structures are arranged at peripheral edges of the lens body. On the other hand, the plate defines a plurality of seats for accommodating the lens units.

Abstract: A method for generating an infrared (IR) beam for illuminating a scene to be imaged comprises providing at least two IR emitters, including a first IR emitter operable to emit a wide beam component of the IR beam, and a second IR emitter operable to emit a narrow beam component of the IR beam, wherein the wide beam component has a linear profile that has a lower standard deviation than a linear profile of the narrow beam component. The method also comprises selecting a desired linear profile for the IR beam, and selecting a power ratio of power directed to the first IR emitter and power directed to the second IR emitter that produces the IR beam with the desired linear profile when the narrow beam component and wide beam component are combined; and directing power to the first and second IR emitters at the selected power ratio to generate the wide and narrow beam components, and combining the generated wide and narrow beam components to produce the IR beam.

Abstract: A lighting assembly including an array of light emitting diodes mounted along a first face of a substrate, a curved translucent diffuser retained proximal the first face of the substrate, offset from the substrate a first distance, a light-absorbing mask including an array of light-transparent windows, the light-absorbing mask arranged between the substrate and the diffuser and retained offset from the first face of the substrate a second distance, with the light-transparent windows substantially aligned with the array of light emitting diodes, and a thermally insulative casing mounted to a second face of the substrate opposing the first face of the substrate.

Abstract: A light distribution device includes a light transmissive substrate having first and second opposing faces and a plurality of substantially parallel linear prisms on the second face that extend in a longitudinal direction of the substrate. The light distribution device is configured to connect to a light assembly including a linear light source with the first face of the substrate facing the light source, with the linear prisms substantially parallel to a light source longitudinal axis and with and the substrate having a non-planar cross-sectional shape such that at least a major portion of the substrate is concave relative to the light source. When connected, the light distribution device is configured to receive light from the light source and distribute the light emerging from the second face of the substrate in a batwing distribution pattern in a plane perpendicular to the light source longitudinal axis.

Abstract: A modular lighting fixture includes a housing having a front panel, the front panel having a radius of curvature, and a plurality of LED modules disposed adjacent the front panel, each LED module having a heat sink, an LED source mounted to the heat sink, and a lens disposed over the LED source, the lens capable of refracting light emitted by the LED source into a desired distribution pattern. The plurality of LED modules produce a concentrated illuminated area at a pre-determined distance from the front panel as determined by the radius of curvature of the front panel.

Abstract: An omnidirectional semiconductor light emitting device lamp has a light distribution characteristic having a large range similar to that of a general incandescent lamp. The semiconductor light emitting device lamp includes a light emitting device for emitting light in all directions and reflection plates arranged at a front surface and a lateral surface of the light emitting device. The light emitted from the light emitting device is reflected from the reflection plate located at the front side and the reflection plate located at the lateral side and emitted to a rear side of the light emitting device. A reflection film is formed on all exposed portions of a surface of the substrate on which the light emitting device is mounted.

Abstract: Disclosed is a lighting apparatus that can be provided in a warehouse and driven by using an industrial power source and has superior light efficiency and long life span. The disclosed lighting apparatus is provided in a warehouse and driven by an industrial power source, and comprises a main body having a plurality of concave portions and a plurality of convex portions; and a plurality of light emitting modules disposed in the concave portions of the main body, thereby having low power consumption and long life span.

Abstract: A lighting system comprising a plurality of controllable light emitting elements 3 is disclosed. The lighting system further comprising a spreading optical element 5 arranged in front of the plurality of light emitting elements to shape the light emitted from the lighting elements, and a controller 7 for varying a light emission angle range of light emitted from the spreading optical element 5 by controlling each of the plurality of controllable light emitting elements. This allows the light emitted from the spreading optical element to be varied without varying any physical parts of the lighting system, because the controller now controls each of the light emitting elements, by e.g. dimming one or more of the light emitting elements or by switching one or more of the light emitting elements off.

Abstract: Certain example embodiments of this invention relate to heatable glass substrates that may be used in connection with lighting applications, and/or methods of making the same. In certain example embodiments, a glass substrate supports an antireflective (AR) coating on a first major surface thereof, and a conductive coating on a second, opposite major surface thereof. Bus bars connect the conductive coating to a power source in certain example embodiments. The substrate may be heat treated (e.g., heat strengthened and/or thermally tempered), with one or both coatings thereon. The heatable glass substrate thus may help provide a chemical and/or environmental barrier for the luminaire or lighting system disposed behind it. In addition, or in the alternative, the heatable glass substrate may help reduce the amount of moisture (e.g., snow, rain, ice, fog, etc.) that otherwise could accumulate on the luminaire or lighting system.

Abstract: A LED based lighting apparatus is disclosed. The light engine used in the lighting apparatus may use a multi-layer metal core printed circuit board and have a plurality of LED groups that are independently controllable by a control unit. The power supply input and return paths connected to each LED group may be implemented on different layers to allow a compact footprint that may be used with traditional fluorescent encasements with relatively little modification.

Abstract: Light apparatuses and lighting systems are described. According to one aspect, a light apparatus includes a plurality of light sources individually configured to emit light in a respective primary direction, and wherein the light sources are configured such that the primary directions of the light emitted by the light sources are at different angles with respect to a common plane, and a lens configured to direct the light from the light sources to a surface of an object which is to be illuminated.

Abstract: A lighting apparatus is provided that, while suppressing an increase in size, can change the illuminating direction. The lighting apparatus has: a laser generator which emits laser light; a light emitting member which is irradiated with the laser light emitted from the laser generator to emit light; an irradiated position changer which moves and thereafter stops an irradiated position at which the light emitting member is irradiated with the laser light; and a light projecting member which projects the light emitted from the light emitting member.

Abstract: An LED lighting system is disclosed, which generally consists of an enclosure, one or more LED modules, one or more transformers, and one or more drivers. A lamp assembly is disclosed, which generally consists of one or more vertically oriented LED chips, thermally conductive shells, and a thermally dissipating means positioned at the back of the LED chips. An LED module is disclosed, which generally consists of a lamp assembly, one or more reflectors and modules caps. A method of controlling light intensities is disclosed, which generally consists of method of decreasing light intensities in areas with little occupancy while minimizing user annoyance resulting from drastic light intensity fluctuations. A universal mounting bracket is disclosed, which generally consists of a fixture plate, mounting plate, and an adjustable means.

Abstract: A lamp includes a base configured by a case and a heat discharging board, a supporting member disposed upright on the base, a light-transmitting substrate mounted on the supporting member, and light-emitting units mounted on the light-transmitting substrate. The supporting member includes a stand part, a rod-shaped leg part disposed upright thereon, and a head part positioned on top of the leg part. The head part has an upper surface and a side surface which is a continuation thereof. In planar view in a downwards direction, the light emitting units are positioned on a section of the light-transmitting substrate that extends beyond the upper surface. The side surface includes an inclined face that is light reflective and inclined relative to the upper surface, forming an obtuse dihedral angle therebetween.

Abstract: A LED light source, comprising a heat-dissipation base, a circuit base is fixed on the heat-dissipation base, and luminous LED(s) is fixed on the circuit base, a light-distribution lens is sealed connected outside the heat-dissipation base, a housing is fixed outside the light-distribution lens, and front ends of the housing and the light-distribution lens are separately fixed jointed to a light-transmitting cover, the light-transmitting cover is sealed connection with the heat-dissipation base, the circuit base and LEDs are located within a sealed first chamber formed by the heat-dissipation base, light-distribution lens and light-transmitting cover, at least a channel is further arranged on the heat-dissipation base, each channel is disconnected to the first chamber, and two opposite openings of each channel are connected to the exterior. The LED light source has a good heat-dissipation performance, particularly to be used for high-power LED illumination.

Abstract: The present invention provides a color mixing lens which can improve color reproducibility, be made slim and adjust an emission pattern; and a liquid crystal display device having the same. The color mixing lens includes a light receiving portion having at least two light emission diodes positioned at a side for emitting color lights different from each other and light receiving recesses for placing the light emission diodes therein respectively, a color mixing portion formed on the light receiving portion for mixing the lights from the light emission diodes into a white color light, and a light emission portion formed on the color mixing portion for emitting the white light from the color mixing portion through a side thereof.

Abstract: Certain example implementations of the disclosed technology include a light emitting device. The light emitting device may include an enclosure with four sides and a top edge surface associated with each of the four sides. The enclosure may be capable of mounting on a grid frame of a suspended ceiling such that a portion of the top edge surfaces contacts a portion of the grid frame. The light emitting device may further include a light modifying element characterized by a substrate with four or more edges, a back surface disposed on the top edge surface of each of the four sides of the enclosure, and a front surface. In certain example embodiments the substrate may further comprise two or more edge trusses. A periphery of the light-emitting front surface may be capable of contacting the grid frame after the light emitting device is mounted to the grid frame.

Abstract: An LED module, including a carrier having high reflectivity, wherein a metal layer, preferably a silver layer or a layer of high-purity aluminum, is applied to the carrier. Also disclosed is an LED module, including a carrier having high reflectivity, wherein a metal layer is applied to the carrier, at least one LED chip, and a dam, wherein the metal layer partially covers the surface of the carrier lying under the dam.

Abstract: A vehicular light includes a body having a base. A cover is mounted to a surface of the base and made of transparent material. A circuit board is mounted in the base. A light emitting element is mounted to the circuit board. An intermediate member is mounted between the cover and the circuit board. The intermediate member includes a light transmittable section covering the light emitting element. A frame is mounted between the light transmittable section and the light emitting element and has a substantially bowl-shaped inner side. The frame and the intermediate member are separable from each other and detachable from the cover and the circuit board. The frame includes a frame wall. A through-hole is formed in a bottom of the frame. The light emitting element extends through the through-hole and received in the frame and faces the light transmittable section.

Abstract: A light emitting device includes a substrate including a base member, a plurality of wiring portions disposed on a surface of the base member, a covering portion having openings respectively exposing a part of the wiring portions, a plurality of light emitting elements respectively electrically connected to the wiring portions exposed from the covering portion, and sealing members respectively sealing the light emitting elements. At least a part of the covering portion contains a light-storing material.

Abstract: LED components are described having primary optics provide improved LED component emission characteristics. Light fixtures are also described that utilize the LED components to provide improved light fixture emissions. One LED component according to the present invention comprises an LED chip emitting an LED chip emission pattern. A primary optic is included directly on the LED chip with LED light from the LED chip passing through the primary optic. The primary optic shapes the LED emission pattern into an LED component emission pattern with the LED component emission pattern being broader than the LED chip emission pattern.

Abstract: A light assembly (100) for directing light into a light guide utilizes a light source (120) comprising a linear array of light emitting diodes (140). The linear array has two opposed long sides (160, 180) equally disposed about a longitudinal axis (162) and two opposed short sides (200, 220) and is positioned in a mounting plane (240). The array has an optical plane (250) lying in a plane perpendicular to the mounting plane (240). A primary optic (260) having a reflecting surface (270) is associated therewith, the reflecting surface (270) having a parabolic cross-section and a focal point (280) and a bisector of parabolic cross-section (282) wherein the focal point (280) is disposed at one of the long sides (160, 180) of the array (140) and the bisector of parabolic cross-section (282) has an axis (283) that is tilted with respect to the optical plane (250). In a preferred embodiment, the axis (283) of the bisector of parabolic cross-section (282) is tilted about 8 degrees.

Abstract: One embodiment is a lighting device. The lighting device comprises a first case comprising a first extension part and a second extension part; a first light emitter disposed in the first case; a first diffuser disposed in the first case and over the first light emitter; a second case comprising a third extension part and a fourth extension part; a second light emitter disposed in the second case; a second diffuser disposed in the second case and over the second light emitter; and a bracket coupled to the second extension part and the third extension part.

Abstract: A light emitting module (150) emits light through a light exit window (104) and comprises a base (110), a solid state light emitter (154, 158) and a partially diffusive reflective layer (102). The base (110) has a light reflective surface (112) which faces towards the light exit window (104). The light reflective surface (112) has a base reflection coefficient Rbase which is defined by a ratio between the amount of light that is reflected by the light reflective surface and the amount of light that impinges on the light reflective surface. The solid state light emitter (154, 158) emits light of a first color range (114), comprises a top surface (152, 158) and has a solid state light emitter reflection coefficient R_SSL which is defined by a ratio between the amount of light that is reflected by the solid state emitter (154,156) and the amount of light that impinges on the top surface (152, 158) of the solid state light emitter (1154, 156).

Abstract: A universal LED light kit adapted to retrofit or modify a standard ceiling fan having a switch cup, or a ceiling light fixture attached to an electrical outlet box. A LED board having a plurality of spaced apart LEDs is mounted to the exterior of the housing, wherein a LED driver disposed inside the housing powers the LED board. An upper threaded nipple, extension tube, and/or fasteners disposed at the top of the housing connect the kit to the outlet box or the switch cup. A lower threaded, hollow nipple disposed at the bottom of the housing receives a nut or finial to hold the assembly together; attaches a bowl shaped diffuser to the kit; and facilitates a chain pull to pass through to control the fan or light fixture. Electrical wiring passes through the upper nipple and connects the LED driver to the outlet box or the switch cup.

Abstract: An infinity mirror with enhanced optical effects that are created by providing auxiliary light-reflecting elements within the mirror chamber of an infinity mirror and selectively illuminating individual ones of the light sources of an infinity mirror so as to create and change the pattern of illumination.

Abstract: An LED (light emitting diode) lighting apparatus includes an LED, a light adjusting device and a shell. The LED includes a main lighting surface and a heat dissipating surface. The shell receives the LED and the light adjusting device therein, the shell having a light emitting window for light emitted from the LED to transmit therethrough after the light is directed by the light adjusting device. The heat dissipating surface of the LED connects the light emitting window, and heat generated by the LED is transferred from the heat dissipating surface to the light emitting window to prevent snow from accumulating on the light emitting window.

Abstract: A solid state lighting device includes a relatively rigid, thermal dissipation plate with opposite sides, a printed circuit in intimate thermal contact with one side of the plate, at least one LED positioned against and electrically connected to the printed circuit and a shell having a rim secured to the one side of the plate so that the shell substantially covers the LED whereby when the LED is energized, light therefrom radiates into the shell and heat from the LED is conducted away by the plate.

Abstract: A stage light fixture having a casing; a supporting structure supporting the casing; and a stroboscopic light source fitted integrally to the casing.

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: A light-emitting device combining a first luminous flux control member having a total reflection surface and emitting light from an emission surface in a narrow angle range centered mainly on an optical axis, and a second luminous flux control member arranged to surround the total reflection surface of the first luminous flux control member. The second luminous flux control member (102) of the light-emitting device is provided with a second incidence surface (126a) and a second emitting surface (126b). Of the light emitted from the light-emitting element (200), the light incident to the second incidence surface (126a) is within a range of angles ? larger than a largest angle to the optical axis of the light incident to the first luminous flux control member (101).

Abstract: Provided are a light apparatus of a chip mounter which emits light to sides of a plurality of parts picked up by a plurality of nozzles of a chip mounter, the light apparatus including: at least one light module including a plurality of sloping portions each of which includes a plurality of slopes, wherein a slope of the plurality of slopes includes a light source emitting light to a side of a first part picked up by a first nozzle among the plurality of nozzles of the chip mounter.

Abstract: A variety of light-emitting devices for general illumination utilizing solid state light sources (e.g., light emitting diodes) are disclosed. In general, the devices include a scattering element in combination with an extractor element. The scattering element, which may include elastic and/or inelastic scattering centers, is spaced apart from the light source element. Opposite sides of the scattering element have asymmetric optical interfaces, there being a larger refractive index mismatch at the interface facing the light emitting element than the interface between the scattering element and the extractor element. Such a structure favors forward scattering of light from the scattering element. In other words, the system favors scattering out of the scattering element into the extractor element over backscattering light towards the light source element.

Abstract: An image reading device, includes an illumination optical system which has a light source unit configured to emit light being illuminating light to an illuminated object; an optical member configured to have a plurality of reflecting plates and collect the light emitted from the light source unit; and a plurality of reflecting members, the light emitted from the light source unit being collected by the optical member, and the collected light being reflected by the plurality of reflecting members to illuminate a reading target area on the illuminated object, and at least one reflecting surface of the optical member or the plurality of reflecting members having a relief structure.

Abstract: An improved LED light bulb apparatus mounted within existing incandescent bulb socket including at least two LED strip elements located inside an outer bulb shell and connected to a PCB made of glass fiber located inside an optional connecting piece. Each LED strip element extend upward and into the interior space formed in the outer bulb shell. Each LED strip element includes a straight or curved elongated body covered with colloidal silica with at least LED bulb mounted on its distal end. Two wire electrodes extend longitudinally on the body and connect at one end to the LED bulb and at an opposite end to the PCB or to an intermediate adapter that connects to the PCB. When more than one LED strip element is used, each element diverges into the interior space so the LED bulbs are at the same elevation and on opposite sides of the bulb's longitudinal axis.

Abstract: A high heat dissipation lamp includes a base, a lower cover, and a substrate. The base is a hollow structure, inside the base is defined a first hole. The lower cover is a hollow structure aligned with the base, and inside the lower cover is defined a second hole. The substrate is clamped between the base and the lower cover, and has a first surface located toward the first hole and a second surface located toward the second hole. On the first surface are provided a plurality of light emitting diodes. The first and second surfaces of the substrate come into direct contact with the base and the first and second holes of the lower cover, so as to improve thermal convention performance. Besides, the base and the lower cover of the lamp are annular-shaped, which makes the lamp easy to manufacture while having a strengthened structure.

Abstract: There is provided an optical element (100) for use with a LED (102) wherein a base face (103) is arranged to receive incoming light from the LED (102). The optical element (100) comprises a top face (104) having a pattern (108) of optical structures (110) which refract light away from an optical axis (A) of the optical element (100). Further the optical element (100) comprises a plurality of side faces (106) extending between the top face (104) and the base face (103) and arranged to refract light from the light towards the optical axis (A). In order to avoid total internal reflection at the top face (104), the top face (104) extends such that it covers a first angular range relative to the optical axis (A). The first angular range is an angular range outside which light emitted by the LED (102) would be subject to total internal reflection at an imaginary extension of the top face.

Abstract: The present invention provides an enhanced light out-coupling device for extraction of light radiation from a light source. The enhanced light out-coupling device comprises a grid having a plurality of channels, a reflective material layer coated on the grid, and a high refractive index fluid layer. In addition, the grid can be filled with phosphor particles for light converting. The device of the presently claimed invention is able to effectively avoid the scattering problem generated from the sapphire substrate and phosphor particles, as well as reduce light adsorption by the array of grid during the light extraction, leading to better image quality.

Abstract: A light source device includes a LED light source or a wavelength conversion material having a near Lambertian light emitting surface. The light source device includes a light recycling system to reflect small-angle lights (lights closer to the normal direction of the light emitting surface) back to the light source, and a collection system for collecting and outputting large-angle lights (lights farther away from the normal direction). The lights reflected by the light recycling system is scattered by the emitting surface in all directions, where the large-angle scattered lights are collected by the light collection system and the small-angle scattered light is reflected by the light recycling system again. A second excitation light source without wavelength conversion material or a second light source with its own wavelength conversion material may be provided, and the second light is directed to the light emitting surface by appropriate optical components.

Abstract: A light emitting device includes: a light source that emits light; a reflective unit disposed around a perimeter of the light source and having a reflective surface; and a diffusion unit that is disposed between the light source and the reflective surface and is configured to reflect a partial amount of the light emitted from the light source and transmit another partial amount of the light emitted from the light source toward the reflective surface.

Abstract: The present disclosure is generally directed to illumination devices, and methods for making the same. The device, in particular, includes a first conductor layer, a first insulator layer disposed on the first conductor layer and having at least one first aperture defined therein through the first insulator layer, a second conductor layer disposed on the first insulator layer and having at least one second aperture defined therein through the second conductor layer and positioned to align with the at least one first aperture, and a light manipulation layer disposed on the second conductor layer and having at least one pair of apertures defined therein through the light manipulation layer including a third aperture and a fourth aperture, where the third aperture is positioned to align with the at least one second and first apertures.