Abstract: An LED package containing integrated circuitry for matching a power source voltage to the LED operating voltage, LEDs containing such integrated circuitry, systems containing such packages, and methods for matching the source and operating voltages are described. The integrated circuitry typically contains a power converter and a constant current circuit. The LED package may also contain other active or passive components such as pin-outs for integrated or external components, a transformer and rectifier, or a rectifier circuit. External components can include control systems for regulating the LED current level or the properties of light emitted by the LED. Integrating the power supply and current control components into the LED can provide for fabrication of relatively small LEDs using fewer and less device-specific components.

Abstract: An illuminating device with adjustable light beams and a method for assembling the same. The light-emitting units are disposed on the substrate. The optical element is disposed in the path of a light emitted by at least one of the light-emitting units. The driving unit drives a first or second set of the light-emitting units, wherein a light beam formed by light that is emitted by the first set of the light-emitting units and passes through the optical element has a different shape or projection angle from a light beam formed by light that is emitted by the second set of the light-emitting units and passes through the optical element.

Abstract: The present invention provides an LED illumination device including a base, at least one flexible circuit board and a plurality of LEDs. The at least one flexible circuit board is used for covering the base. The LEDs are mounted on the flexible circuit board. The present invention utilizes a flexible circuit board that can conform to the base having a 360 degree curved surface and a 3D solid structure to efficiently change the viewing angle of the LEDs so as to provide 360 degree viewing angle. Furthermore, a single flexible circuit board can be utilized to cover the base to provide a 360 degree viewing angle. Therefore, the LED illumination device of the present invention can reduce manufacturing cost and simplify the manufacturing process.

Abstract: A lighting device including: a light-emitting device unit including one or more light-emitting devices; a first reflector which faces the light-emitting device unit and reflects light emitted from the light-emitting device unit; and a second reflector which faces the first reflector and reflects light reflected by the first reflector.

Abstract: A light source device includes a first light source, a second light source having an emission wavelength that is different from the first light source, and a phosphor that is disposed to be distant from the first light source and the second light source and absorbs light in a predetermined excitation wavelength band to emit fluorescence. The phosphor is disposed on an emission light optical path that is shared by the first light source and the second light source. The emission wavelength of the first light source is in the predetermined excitation wavelength band. The emission wavelength of the second light source is outside of the predetermined excitation wavelength band.

Abstract: A color/color temperature tunable light emitting device comprises: an excitation source (LED) operable to generate light of a first wavelength range and a wavelength converting component comprising a phosphor material which is operable to convert at least a part of the light into light of a second wavelength range. Light emitted by the device comprises the combined light of the first and second wavelength ranges. The wavelength converting component has a wavelength converting property (phosphor material concentration per unit area) that varies spatially. The color of light generated by the source is tunable by relative movement of the wavelength converting component and excitation source such that the light of the first wavelength range is incident on a different part of the wavelength converting component and the generated light comprises different relative proportions of light of the first and second wavelength ranges.

Abstract: VCSEL arrays with planar electrical contacts readily adaptable for surface mounting are provided. Monolithic VCSEL arrays are configured in array patterns on two and three-dimensional surfaces for configuring optical illuminator modules. Illuminator modules are easily expandable by increasing the array size or by modularly arranging more arrays with or without a transparent substrate, in different shapes by tiling array modules monolithically on a common substrate, or by tiling small modules. The surface mountable illuminator modules are easily assembled on a thermally conductive surface that may be air or liquid cooled for efficient heat dissipation. Array modules may be integrated with other electronic circuits such as current drivers, sensors, controllers, processors, etc.

Abstract: A software touchscreen displayed on start up for a LAN for an automated light. The software touchscreen is displayed by the software on initial startup, and later, after the initial startup, the same touchscreen is used for controlling the light.

Abstract: A lighting apparatus for retrofitting an existing luminaire includes a plurality of light emitting diodes (LED) of similar or differing wavelengths arranged and configured in at least one light bar array, a heat sink module thermally coupled to the at least one light bar array, an electronic power module electrically coupled to the at least one light bar array, and a plate coupled to the at least one light bar array, electronic power module and the heat sink module, the plate arranged and configured for coupling to the luminaire to provide quick and easy installation and replacement of the at least one light bar array, heat sink module and electronic power module into and from the luminaire.

Abstract: A lighting apparatus comprising a plurality of diodes and an electrical interface configured to receive an electrical signal and transmit the electrical signal to the plurality of diodes is provided.

Abstract: The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.

Abstract: A lighting device includes first and second light emission units. The first light emission unit emits light having a relatively low color temperature and a high feeling of contrast index. The second light emission unit emits light having a relatively high S/P ratio, which is the ratio of scotopic luminance to photopic luminance. The first light emission unit illuminates a region located at a vertical upper side of a region illuminated by the second light emission unit.

Abstract: An illumination device comprising a first light source generating first light beam having a first spectral distribution and a second light source generating a second light beam having a second spectral distribution. A first dichroic reflector is positioned in the first light beam and transmits a part of the first light beam and reflects a part of the second light beam. The first and second light beam propagates initially primarily in a first direction along an optical axis and reflecting means reflects the second light beam towards the dichroic reflector. The light sources, the dichroic reflector and reflecting means are mutually arranged such that the second light beam propagates primarily in a second direction substantially opposite the first direction and towards the first light source after being reflected by the reflecting means and such that the second light beam propagates substantial in the first direction after being reflected by the dichroic reflector.

Abstract: A plant illumination apparatus includes a light source module including a first light source and a second light source generating lights having different wavelengths, an environment-detecting module detecting an external environment to obtain a real-time environment parameter, and a control module connected to the light source module and the environment-detecting module. The control module includes a processor unit and a storage unit storing a database of plant growing environment parameters. The processor unit loads at least one preset growing environment parameter corresponding to a plant growth timing from the database of plant growing environment parameters, and compares the preset growing environment parameter with the real-time environment parameter to output at least one comparison result. The processor unit adjusts the first light source and the second light source according to the comparison result, so that an adjusted environment parameter matches the preset growing environment parameter.

Abstract: A pulse width modulation (PWM) dimming circuit comprises a switch unit, a current generation unit, a mirror current source, a multi-path output unit, a plurality of current balance units and a plurality of LED lamp strings. The switch unit receives a PWM signal which controls the switch on or off. The current generation unit is connected with the switch unit and generates a current of a predetermined magnitude when the switch unit is on. The mirror current source is connected with the current generation unit and receives the current to generate a mirror current. The multi-path output unit is connected with the mirror current source and receives and output the mirror current in multiple paths. The current balance units are connected between the multi-path output unit and the LED lamp strings respectively. The PWM dimming circuit decreases both the difficulty and the manufacturing cost and is easy to operate.

Abstract: A direct-current light-emitting diode lamp (DC LED lamp) with a polarity-holding function receives a DC driving voltage and the DC LED lamp includes at least one LED string and a polarity-holding circuit. The at least one LED string has a plurality of LEDs and each LED is connected in series to each other to form an anode terminal and a cathode terminal. The polarity-holding circuit is electrically connected to the anode terminal and the cathode terminal of the LED string. The polarity-holding circuit receives the DC driving voltage and holds the polarity of the DC driving voltage, thus driving the LED string in forward bias.

Abstract: The invention is characterized in that (1) lens characteristics of a microlens array are made to differ between shining areas on to which laser beams are shone, (2) laser elements are disposed differently so that light distributions thereof are made to differ, or (3) the “collecting degrees” of laser beams by collimator lenses of the laser elements are made to differ from each other or one another, so that interference fringes generated by the laser beams are made less conspicuous.

Abstract: In one embodiment, a lamp comprises an optically transmissive enclosure. An LED array is disposed in the optically transmissive enclosure operable to emit light when energized through an electrical connection. A gas is contained in the enclosure to provide thermal coupling to the LED array. The gas may include oxygen.

Abstract: A lighting system includes a plurality of LED lights having at least two different color LED lights. A controller is coupled to the LED lights for independently controlling the intensity of sets of different color LED lights. A program stored on a storage device is operable on the controller to control the intensity of each of the different sets of different color LED lights to produce light representative of color and intensity changes of outdoor daylight conditions.

Abstract: An illumination device a first light source array a first light source. The first light source can generate a first light beam having a first spectral distribution. The first light beam can propagate primarily in a first direction along an optical axis. A second light source array can be included, having a second light source that generates a second light beam having a second spectral distribution. Also included can be a first dichroic reflector positioned partially in the first and the second light beams. The first dichroic reflector can transmit a part of the first and the second light beams. The second light beam can propagate in a second direction towards a part of the first light source array and opposite the first direction. Further, a part of the second light beam can propagate primarily in first direction after being reflected by the first dichroic reflector.

Abstract: The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.

Abstract: A single chip multi-voltage or multi-brightness LED lighting device having at least two LED circuits. Each of the at least two LED circuits having at least two LEDs connected together in series. Each of the at least two LED circuits are electrically unconnected to each other in a parallel relationship, have a forward operating drive voltage of at least six volts and are monolithically integrated on a single substrate. A method of manufacturing a single chip with two or more LED circuits configurable by means of connecting the circuits so as to provide optional operating voltage level and/or desired brightness level wherein the electrical connection may be achieved and/or completed at the LED packaging level when the single chips are integrated into the LED package. Alternatively, the LED package may have external electrical contacts that match the integrated chips within.

Abstract: A projection unit comprises a first light source outputting light that is used to project an image during normal projection unit use, and a second light source outputting light of a different intensity that is used to project an image outside of normal projection unit use.

Abstract: Disclosed herein is a color display device that can be deployed at retail paint stores, kiosks, customers' offices or homes, airports, malls, etc. for rapid color and appearance prototyping. The color display device, which can be mobile, can display color under standardized lighting or simulated ambient lighting. The color display device can augment or replace a traditional paint chip rack or fan deck. The color display device can manipulate light sources additively and/or subtractively using an integrating light mixing capsule or chamber, special optics, mock objects and electronic control for color and appearance representation and for object illumination with desirable simulated ambient lighting.

Abstract: A light source section is provided with a plurality of light sources. A pitch of the light sources in a first direction and a pitch in a second direction are regulated in accordance with a specific cross-sectional shape of a light beam.

Abstract: Various methods and apparatus for controlling brightness of a light emitting apparatus include controlling a brightness of a light emitting device based on a brightness value, receiving a message over a network, and detecting a modulation of a power input of the light emitting apparatus. The brightness value is changed based on both the message and the modulation.

Abstract: The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.

Abstract: The present invention is directed to display technologies. More specifically, various embodiments of the present invention provide projection display systems where one or more laser diodes are used as a light source for illustrating images. In one set of embodiments, the present invention provides projector systems that utilize blue and/or green laser fabricated using gallium nitride containing material. In another set of embodiments, the present invention provides projection systems having digital lighting processing engines illuminated by blue and/or green laser devices. In one embodiment, the present invention provides a 3D display system. There are other embodiments as well.

Abstract: A retractable lighting system having a housing, a bracket, an extendable support member, a locking device, a control box, a lighting assembly and spreader bars.

Abstract: A planar element as well as a method for producing such planar elements in such way that the planar element is easily and inexpensively to produce on the one hand and allows remarkable optical effects to be obtained on the other hand, it is proposed to apply at least one coating to at least one area or side of at least one support substrate, especially of at least one support plate.

Abstract: A lamp with uniform illumination pattern is used for continually illuminating an illuminated area and includes at least one light module. The at least one light module includes two light sources respectively having different light intensity and arranged orderly. Two extension cords of two optical axes of the two light sources have one crossover point. Light emitted from the light source with less light intensity illuminates the illuminated area which is closer to the light module, while light emitted from the light source with greater light intensity illuminates the illuminated area which is farther to the light module. Light emitted from the light source, which is father to the illuminated are, can make up the intensity losses of attenuation since light emitted from the light source which is father to the illuminated area have greater light intensity. As a result, the lamp has uniform illumination pattern.

Abstract: Disclosed is a lighting assembly for installation in conventional lighting fixtures using an angled mounting component and LED-based printed circuit board lighting fixtures having a plurality of LEDs. The printed circuit boards are secured to the mounting component of a conventional lighting fixture such that the LEDs are positioned to provide a light pattern similar to the pattern existing with the original fixture.

Abstract: A panorama lamp with 360 degree peripheral illumination with reference to an axis of the lamp is disclosed. Each of the light units mounted on a heat sink has a light chip facing outward from the lamp. Either a protection cap or a circular wall lens can be optionally adopted to cap the top of the lamp. The protection cap provides protection to the chips of the lamp from being damaged. The circular wall lens modifies the beam profile of the lamp to meet various market requests.

Abstract: There are provided a switching module and a switching synchronization system. The switching module includes a plurality of first to n-th switching modules according to an exemplary embodiment of the present invention, wherein each of the first to n-th switching modules includes: a button unit that includes a plurality of switching buttons; a state display unit that includes a plurality of display lamps corresponding to each of the plurality of switching buttons in the button unit; a switch controller that controls the operation of the state display unit according to the operation of each of the plurality of switching buttons in the button unit; and a switch communication unit that transmits the wireless switching control signal including the switching control and provides the switching control signals included in the wireless switching control signals received to the switch controller.

Abstract: The systems and methods described herein relate to solid-state light sources capable of generating radiation beams for, but not limited to, the treatment of surfaces, bulk materials, films, and coatings. The solid-state ultraviolet source optically combines the light output of at least two and preferably as many four independently controllable discrete solid-state light emitters to produce a light beam that has a controllable multi-wavelength spectrum over a wide range of wavelengths (i.e. deep UV to near-IR). Specific features of this light source permit changes in the spectral, spatial and temporal distribution of light for use in curing, surface modification and other applications.

Abstract: Proposedis a remote control device (100), arranged to control a lighting system(1). The lighting system comprises a plurality of light-modules (10) capable of emitting modulated light comprising light module identification codes (20). The remote controldevice (100) comprises a sensor (110) arranged to switch the light modules (10) from an operational mode (210) in which the light emitted by the light modules (10) is non-5 modulated to a control mode (230) in which the light emitted by the light modules (10) is modulated. Advantageously, the invention provides a lighting system with improved energy efficiency and EMC characteristics.

Abstract: In a light emitting device, a substrate on which LEDs are arranged in line is used as a light source used for the sidelight of an illuminating apparatus serving as a backlight of sidelight type. The frame of the LED includes a first portion, a second portion, and a third portion. The second and third portions are arranged on both sides of the first portion. The length of the longest part of the first portion in a first direction d1 in which the LEDs are arranged is larger than the length of the longest part of each of the second portion and the third portion. Each of the second portion and the third portion has a part having a length in the first direction d1 shorter than the length al of the longest part of the first portion in the first direction d1.

Abstract: An LED retrofit lamp which has one end which is configured to engage a standard light bulb socket, such as an E26 or E39 socket. The other end provides a plurality of LED's—a center section of LED's pointing downward, and a plurality of LED's going around a perimeter of the center section, generally pointing outward. Preferably, the LED retrofit lamp 10 includes circuitry which is configured to take the voltage received from the light bulb socket, and use that voltage to drive the LED's as well as, preferably, a fan which tends to keep the LED retrofit lamp within prescribed temperature tolerances. Preferably, a protective shield, such as a plastic protective shield, covers and protects the LED's. Furthermore, preferably the LED retrofit lamp includes louvers which allow the fan inside to grab air from the outside, and allows the hot air to escape. Preferably, the LED retrofit lamp is generally lightweight.

Abstract: A light source channel is described. The light source channel includes an extrusion forming a channel having an open length and a light source positioned within the channel. A light transfer medium is positioned above the light source and covers the open length of the channel. The light transfer medium has a cross section. A method embodiment according to the present invention produces a light source channel by installing a light engine within a channel of an extrusion and covering the channel length with a light transfer medium above the light engine. The light transfer medium has a cross-section.

Abstract: A solar assembly includes a base and at least one LED coupled to the base. An illumination panel having a first end and a second end is provided. The first end is coupled to the base. The illumination panel extends from the base between the first end and the second. The illumination panel reflects light emitted from the at least one LED. A solar panel receptacle is positioned at the second end of the illumination panel. A solar panel housing is removably attached to the solar panel receptacle. The solar panel housing has a solar panel to power the at least one LED.

Abstract: A multi-wavelength semiconductor laser device includes a block having a rectangular groove with a bottom face and two side faces extending in a predetermined direction; and laser diodes with different light emission wavelengths mounted on the bottom face and the side faces of the groove in the block so that their laser beams are emitted in the predetermined direction.

Abstract: Structured light systems are based on temporally modulated light sources and static spatial light modulators.

Abstract: Embodiments of the invention provide for a linear lighting system with a plurality of discrete light sources. Other embodiments of the invention include heat dissipation techniques and apparatus for a linear light system. Other embodiments of the invention include a two component lighting system that includes rails and nodes. In some embodiments, the lighting and control aspects can be divided between the rail and node. In yet other embodiments a linear lens providing a unique photometric distribution is provided.

Abstract: A light emitting device includes a light emitting unit and a submount. The light emitting unit has a plurality of light emitting diodes (LEDs), and the submount has a plurality of conductive contacts on a side thereof. The LEDs are coupled to the conductive contacts in various electrical connection manners, such that the LEDs are connected in series or/and in parallel.

Abstract: For a headlight comprising a plurality of light-emitting diode arrangements (LG) arranged in a manner distributed in planar fashion on a carrier plate (TP), a cooling device for dissipating thermal power losses arising in the individual light-emitting diode arrangements, in which cooling device a plurality of flow channels extending parallel in terms of flow engineering are provided. The individual flow channels each contain a heat sink (KK), around which flows the partial air flow through the flow channel (FR) for the transfer of heat and which is connected to the relevant assigned light-emitting diode arrangement in a manner exhibiting good thermal conductivity.

Abstract: An optical system for lighting fixtures uses light emitting diodes arranged in a 2-D array. In one embodiment, a lighting system comprises a framework carrying a plurality of diodes, where each diode has an associated optic that projects the light with a “high,” “medium” or “low” vertical throw, as provided by prismatic “teeth” that refract and reflect light rays in a predetermined manner so that the combined illumination patterns of each diode can blend to generally uniformly illuminate a target surface without dark spots or regions. Each optic has a common primary portion and a selected secondary portion whose tooth/teeth have a “swept” geometry for better angular (vertical and/or horizontal) control of light rays. Structural variations between different secondary portions reside in various factors, including plurality of teeth, length of the tooth along the longitudinal axis A, curvature(s) in the vertical and/or horizontal directions, and angularity or tightness of curvature of the swept geometry.

Abstract: Apparatus and associated methods involve a light module adapted to mount to an open face of a conduit body. In an illustrative example, the light module may include an electrical interface for making operative electrical connection to conductors disposed within the conduit body. In some particular embodiments, the electrical interface may include an insulation displacement-style connector to facilitate installation and/or removal of the light module. In various examples, the conduit body may substantially conform to a form factor of a conduit body for a conventional conduit system.

Abstract: An optical module for an lighting fixture for providing roadway illumination. The optical module comprising circuit board having a plurality of light emitting diodes (LEDs). A reflector cups surrounds each of the plurality of LEDs, the cup comprises a narrow end surrounding the LED and a larger opening at a second end opposite the LED. A refractor lens cover comprising a plurality of molded lens, each lens positioned at the second end of the reflector cups.

Abstract: An electrical wiring device includes a dimmable night light therein. The night light includes one or more light sources for emitting light and an optional lens disposed over the light sources. The lens allows light from the light sources to be emitted therethrough. In some embodiments, the lens is used to turn on the night light, turn off the night light, and dim the night light. In some exemplary embodiments, manipulation of the lens selects an operating mode for the device. The device optionally includes an occupancy detection sensor to assist detecting occupancy within a monitored area.

Abstract: A single chip multi-voltage or multi-brightness LED lighting device having at least two LED circuits having at least two LEDs connected se?es, and electrically unconnected in a parallel relationship, a forward operating d?ve voltage of at least six volts and are monolithically integrated on a single substrate, configurable by means of connecting the circuits so as to provide optional operating voltage level and/or desired brightness level wherein the electrical connection at the LED packaging level when the single chips are integrated into the LED package Alternatively, the LED package may have external electrical contacts that match the integrated chips within Optionally allowable, the drive voltage level and/or the brightness level select-ability may be passed on through to the exterior of the LED package and may be selected by the LED package user, the PCB assembly facility, or the end product manufacturer.