Abstract: A light string includes a load comprising a trigger LED assembly and a lighting assembly connected in series with the trigger LED assembly, the lighting assembly comprising a plurality of series connected lamps comprising an LED; and a rectifier for converting a source of AC into DC which is supplied to the load. The trigger LED assembly is adapted to flash and cause the lamps to flash. In one embodiment the trigger LED assembly includes a trigger LED and a capacitor connected in parallel with the trigger LED. The trigger LED includes a first LED and a second LED. The cathode of the first LED is connected to the cathode of the second LED, the anode of the first LED is connected to the positive terminal of the capacitor, and the anode of the second LED is connected to the negative terminal of the capacitor respectively.

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: An illumination device includes independent light sources and pivotable legs. In an embodiment, each independent light source includes a head having an illumination element; a body; a power source holder configured to receive a power source for powering the illumination element; a switch configured to control the independent light source; and an electrical circuit configured to place the independent light source and at least one other independent light source in an electrically coupled state. The switch may be configured to control an illumination state of both the independent light source and the at least one other independent light source when in the electrically coupled state. The illumination provided by the illumination device may be adjusted to different angles with respect to a longitudinal axis of the illumination device by rotating each of the plurality of pivotable heads. The pivotable legs are movable between a retracted configuration and an expanded configuration.

Abstract: The present invention relates to an LED assembly designed to supplant fluorescent tubes, comprising: an array of standardized LED modules affixed to a lightweight frame resulting in a uniform two dimensional array of LEDs casting their light directly onto a translucent sign panel or, alternatively, a light defusing panel for area lighting. When the application is to retrofit a fixture with fluorescent tubes, the assembly is provided with adapters that attach to the fluorescent tube receptacles.

Abstract: A nanowire array is described herein. The nanowire array comprises a substrate and a plurality of nanowires extending essentially vertically from the substrate; wherein: each of the nanowires has uniform chemical along its entire length; a refractive index of the nanowires is at least two times of a refractive index of a cladding of the nanowires. This nanowire array is useful as a photodetector, a submicron color filter, a static color display or a dynamic color display.

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 multiparameter stage lighting apparatus is provided comprising a lamp housing, which may include a plurality of sets of light emitting diodes, each set of light emitting diodes having a plurality of colors, the plurality of sets of light emitting diodes forming an additive color mixing system. The multiparameter stage lighting apparatus may further include a plurality of pie shaped light emitting circuit boards, one light emitting circuit board for each set of the plurality of sets of light emitting diodes, each set of the plurality of sets of light emitting diodes mounted to its respective light emitting circuit board. The multiparameter stage lighting apparatus may further include a plurality of light emitting diode signaling circuit boards, one for each of the plurality of pie shaped light emitting circuit boards.

Abstract: A headlamp includes: a laser diode for emitting laser beam; a light-emitting section for emitting light when irradiated with the laser beam emitted from the laser diode; and a cooling device for cooling the light-emitting device by use of a fluid. With the arrangement, it is possible to prevent an increase in temperature of the light-emitting section which is irradiated with excitation light, and thereby to realize a light source of long lifetime.

Abstract: A lighting device includes: a first light source group having first light sources partitioned into sections and controlled to light for each section; and a second light source group having second light sources partitioned into sections and controlled to light for each section. The second light source has a light distribution different from the first light source. The first and second light source groups are allowed to light independently of each other. The first light sources are arranged in a first array pattern allowing a uniform in-plane-distribution of luminance at a predetermined distance therefrom when whole of the first light source group is under lighting condition. The second light sources are arranged in a second array pattern different from the first array pattern. The second array pattern allows a uniform in-plane-distribution of luminance at the predetermined distance therefrom when whole of the second light source group is under lighting condition.

Abstract: An electronic illuminating device includes an illuminating area, a routing area and a control area. The illuminating area includes multiple light-emitting blocks and multiple illuminating area power-supply lines. Each the light-emitting block employs at least one light-emitting element as light source, and further is electrically coupled to a corresponding one of the illuminating area power-supply lines. The routing area includes multiple routing area power-supply lines, and each the routing area power-supply line is electrically coupled to a corresponding one of the illuminating area power-supply lines. The control area provides powers to the routing area power-supply lines. A width of at least one of the illuminating area power-supply lines and the corresponding routing area power-supply line or a length of at least one of the routing area power-supply lines is adjusted, such that differences among resistances between the light-emitting blocks and the control area are within 20%.

Abstract: A light emitting apparatus includes a light emitting diode including a body with a light emitting diode chip packaged therein and a plurality of lead electrodes contacted with one side of the body and a board including a plurality of electrode pads connected to lower surfaces of the lead electrodes of the light emitting diode. The lower surfaces of the lead electrodes of the light emitting diode correspond to top surfaces of electrode pads of the board with same shapes. The lower surfaces of the lead electrodes of the light emitting diode are disposed within a region of top surfaces of the electrode pads of the board, respectively.

Abstract: A light source unit includes a surface-emitting laser array including light emitting units; and an apertured member provided on a light path of light beams emitted from the surface-emitting laser array, the apertured member including an aperture. In at least one direction, an intensity distribution of interference patterns caused by the light beams passing through the aperture includes an equal number of crests and troughs.

Abstract: The invention relates to a mosaic floor (20) consisting of layers and comprising at least one mosaic section (26) comprising illuminating elements (3) that are integrated into the mosaic floor (20) and the structure comprises at least the following layers: a mosaic layer (13) that has a plurality of individual mosaic elements (2) and a plurality of individual illuminating elements (3), said illuminating elements (3) being connected to an electric cable or to a light conductor (4), in particular glass fibres, that are introduced from below, a channel layer (14) that comprises at least one rigid plate (7) having a channel system (15) that is open to the top or to the bottom in which the electric cable or the light conductor (4) are laid.

Abstract: In one embodiment an electrical circuit for use as a string of lights includes a load comprising a plurality of lamps connected in series, the lamps comprising a first group of lamps including an LED and a first Zener diode in parallel therewith, and a second group of lamps including an incandescent light bulb and a second Zener diode in parallel therewith; and a rectifier for converting a source of AC into DC which is supplied to the load. The first group of lamps are alternate with the second group of lamps.

Abstract: A light emitting device includes: a light source unit which has a first and a second LED which are connected in parallel and emit lights of different colors, respectively. The lights of the first and the second LED are mixed to provide an emission light of the light source unit when an operating voltage is applied. The light source unit further has a resistor which is connected in series to the first LED to make forward current changing characteristics of the first and the second LED depending on change in the operating voltage to be different from each other, so that a required luminous flux-color temperature property, in which change in a color temperature of the emission light is made to depend on change in a luminous flux of the emission light, is obtained while the first and the second LED are turned on by applying the operating voltage.

Abstract: Systems and methods permit use of efficient solid state emitters for broad spectrum continuous spectrum lighting defined by illumination data. The illumination data, which can be sold as a commercial product, can be recorded or authored and include spectral, temporal, and spatial information. Intensities of individual emitters such as LEDs can be controlled through a combination of pulse width modulation (PWM) and amplitude modulation (AM) of drive currents. The combination of PWM and AM permits fine tuning of the spectrum of emissions and creation of free space optical data channels.

Abstract: A lighting module comprising a base panel and a plurality of light-emitting diode (LED) chips attached directly to the base panel. The LED chips are in electrical communication with conductive traces on the base panel, which deliver a current to the LED chips. Various embodiments of this generally described lighting module are also presented. Additionally, methods of preparing such a lighting module, and system components of the lighting module are presented.

Abstract: Provided are a crystallization apparatus and method, which prevent cracks from being generated, a method of manufacturing a thin film transistor (TFT), and a method of manufacturing an organic light emitting display apparatus. The crystallization apparatus includes a chamber for receiving a substrate, a first flash lamp and a second flash lamp, which are disposed facing each other within the chamber, wherein amorphous silicon layers are disposed on a first surface of the substrate facing the first flash lamp and a second surface of the substrate facing the second flash lamp, respectively.

Abstract: The present invention relates to a multifunctional internal lighting device for a motor vehicle. A single internal lighting device comprises various LED-type light sources which are capable of performing at least one first internal lighting function and a second internal lighting function. The various LEDs are distributed into at least two separate sets, a first set being dedicated to the performance of the first internal lighting function and a second set being dedicated to the performance of a second internal lighting function. In particular, it is proposed to use axial emission LEDs or through-emission LEDs and lateral emission LEDs to perform the first function and the second function respectively.

Abstract: An LED worklight having a center core and a first panel and a second panel coupled to the center core. The first panel includes a first array of LEDs mounted to a first circuit board disposed within a first opening formed within the first panel and a first lens disposed over the first array of LEDs. The second panel includes features similar to the first panel. The second panel is rotatable around the center core from a 0 degree closed orientation to about a 360 degree orientation, and is positionable at any intermediate angle therebetween. The LED worklight includes a retractable hook for mounting to an elevated object. The LED worklight also includes at least one magnet to mount the LED worklight to vertical/vertically angling surfaces. The array of LEDs mounted to the first panel and the second panel can be controlled independently of one another.

Abstract: A power adaptor for a lighting unit, comprising an input for coupling to an electrical power supply and a controller adapted to monitor the input and operable to provide at least two independent electrical outputs; each output having a power level based on an amount of power available at the input. The independent electrical outputs may be used to supply and control an intensity and/or color characteristic of a solid state lighting unit; comprising at least two separately controllable colored emitters.

Abstract: A display unit capable of reducing luminance irregularity when using a point light source is provided. The display unit includes: a panel driven based on an image signal; a plurality of point light sources arranged in a region facing the panel; and an optical sheet arranged between the panel and the plurality of point light sources. The plurality of point light sources are arranged in a first direction and also in a second direction intersecting with the first direction, and the optical sheet has a tridimensional configuration that includes a first ridgeline extending in a third direction intersecting with the first and second directions, and a second ridgeline extending in a direction intersecting with the first, second and third directions.

Abstract: Various methods of manufacturing a lighting apparatus and embodiments of a modular networked lighting apparatus are disclosed. One method defines a mechanical form factor with a minimum set of electrical connections for a networking module, builds a subassembly of the networked lighting apparatus, the subassembly comprising attachment points compatible with the mechanical form factor for the networking module and contacts for the minimum set of electrical connections for the networking module, installs a networking module into the subassembly of the networked lighting apparatus, the networking module compatible with a selected networking protocol for the networked lighting apparatus, completes the final assembly of the networked lighting module, and marks the networked lighting apparatus to indicate the selected networking protocol for the networked lighting apparatus. In some embodiments, the lighting apparatus may function without the networking module installed.

Abstract: A wireless communication device includes a plurality of light sources and a light guide including a light guiding element and a light shielding element. The light guiding element includes a plurality of guiding portions. Each guiding portion includes an expander having a first end corresponding to a respective one of the light sources and a second end opposite to the first end. The second ends of the expanders collectively form a continuous end surface. At least one cavity is defined between each two neighboring guiding portions. The light shielding element includes at least one shielding portion received in the at least one cavity to prevent light interference between the plurality of guiding portions.

Abstract: An LED light bulb device including a bulb body, a cap and an LED assembly. The bulb body defines an exterior surface and an interior. The cap is mounted to the bulb body, combining to define a light bulb-like structure. The LED assembly includes a substrate, LEDs, transformer circuitry and connective circuitry. The LEDs and the connective circuitry are maintained by the substrate, with the connective circuitry electrically connecting the LEDs and the transformer circuitry. The transformer circuitry is adapted to modify incoming power for powering the LEDs. The LED assembly is mounted to the light bulb-like structure such that the LEDs are disposed along the exterior surface of the bulb body, with light from the LEDs being directed inwardly into the interior and then outwardly from the interior. The LED assembly can further include a heat sink body encompassing the LEDs.

Abstract: Disclosed is a light emitting device package and a lighting system. The light emitting device package includes a body, a first lead frame on the body, a plurality of light emitting diodes on the first lead frame, and a molding member on the light emitting diodes. The distance between the light emitting diodes includes a distance equal to or less than a length of a first side of a first light emitting diode of the light emitting diodes.

Abstract: An aspect of the present invention provides an optical filter that includes a plurality of slits arranged in parallel, each slit corresponding to a pair of displays including at least a first display of a first image, and a second display of a second image, wherein the slits form a slit row in a horizontal direction arranged essentially in the same interval spacing and parallel to each other, with the slit row arranged with slit pitch patterns that differ by at least between the upper and lower positions.

Abstract: A lighting device 20 including a plurality of planar light sources 21 arranged in a planar direction. Each planar light source 21 has a light exit surface 43 on which a brightness distribution is biased. Bias directions of brightness distributions of the planar light sources 21 are the same. The planar light sources 21 are arranged with some of the planar light sources 21 and the other planar light sources 21 in alternate orientations such that the bias directions are different. High brightness areas and low brightness areas on the light exit surfaces 43 are arranged in lines. With this configuration, the high brightness areas are not in line and thus a bright band does not appear. Therefore, high display quality can be achieved.

Abstract: An apparatus for providing selectively-colored light is disclosed. The apparatus includes a circuit having a plurality of diodes each including an anode and a cathode, wherein the plurality of diodes include a first diode that emits a first light defined by a first wavelength, a second diode that emits a second light defined by a second wavelength, and a third diode that emits a third light defined by a third wavelength, wherein a summation of one or more of the first, second and third light defines a selectively-colored light; and a controller including a first output connected to the anode of the first diode, and the cathode of the second diode, a second output connected to the cathode of the first diode, the anode of the second diode, and the anode of the third diode, and a third output connected to the cathode of the third diode. A method is also disclosed.

Abstract: A LED luminaire comprises a heat sink disposed above an LED array and in thermal communication with the LED array, the LED array having at least one red LED and a plurality of cool white LEDs, the at least one red LED providing a warmer correlated color temperature for an output light and the plurality of white LEDs providing a higher efficacy, a diffuser positioned to enclose the LED array between the heat sink and the diffuser, the diffuser color mixing the at least one red LED and the plurality of cool white LEDs rendering a red light from the at least one red LED indiscernible from a cool white light of the plurality of white LEDs, a reflector positioned adjacent the heat sink.

Abstract: An improved signal light and method for making an improved signal light is disclosed. For example, the improved signal light includes a housing, at least one outer lens and at least one or more second type of light emitting diodes (LEDs) deployed in the housing. The at least one or more second type of LEDs includes a pump, a phosphor and a filter having a cutoff point less than or equal to 540 nanometers (nm). The at least one or more second type of LEDs also has a pump peak wavelength less than or equal to 430 nm and has a phosphor with a peak wavelength greater than 575 nm.

Abstract: A light source and method for making the same are disclosed. The light source includes a plurality of Segmented LEDs connected in parallel to a power bus and a controller. The power bus accepts a variable number of Segmented LEDs. The controller receives AC power and provides a power signal on the power bus. Each Segmented LED is characterized by a driving voltage that is greater than 3 times the driving voltage of a conventional LED fabricated in the same material system as the Segmented LED. The number of Segmented LEDs in the light source is chosen to compensate for variations in the light output of individual Segmented LEDs introduced by the manufacturing process. In another aspect of the invention, the number of Segmented LEDs connected to the power bus can be altered after the light source is assembled.

Abstract: A luminary for exteriors and public carriageways includes a plate of fixed LEDs, the plate has aluminum in a superior section; a dielectric adhesive is located on an interior face, which isolates the plate electrically from a layer which forms electrical copper tracks that serve to make electrical connections between the LEDs, the tracks are connected in series with a power supply; and resting on these tracks and the dielectric adhesive is a final layer of isolating “white” dielectric film.

Abstract: An exemplary general lighting fixture includes an assembly forming an optical integrating volume for receiving and optically integrating light from one or more solid state light emitters and for emitting integrated light. The assembly includes a reflector having a diffusely reflective interior surface defining a substantial portion of a perimeter of the integrating volume. A light transmissive solid fills at least a substantial portion of the optical integrating volume. A light emitter interface region of the solid, for each solid state light emitter, closely conforms to the light emitting region of the respective emitter. A surface of the transmissive solid conforms closely to and is in proximity with the interior surface of the reflector. The transmissive solid also provides a light emission surface, at least a portion of which forms a transmissive optical passage for emission of integrated light, from the volume, in a direction facilitating a general lighting application.

Abstract: The backlight system is provided with: a plurality of LED-substrates (12) equipped with a plurality of light emitting diodes (LEDs) (21), a circuit that supplies driving current to the plurality of light emitting diodes (LEDs) (21), and metallic film islands that conduct heat generated by the plurality of light emitting diodes (LEDs) (21); a backlight frame (11) that loads the plurality of LED-substrates (12); and bolts (17) that fix the plurality of LED-substrates (12) on the backlight frame (11) and that conduct heat through the metallic film islands to the backlight frame (11).

Abstract: A light fixture, comprising a matrix, a plurality of electrical sockets fixedly secured to the matrix and forming a rigid matrix of electrical sockets electrically interconnected in two dimensions. One or more light emitting diode modules are individually removable and replaceable within any individual electrical socket within the matrix. Each individual light emitting diode module includes a base and a light emitting diode, wherein the base is configured and arranged for fitted electrical engagement within the electrical socket.

Abstract: An interactive LED lighting system for entertainment and a network thereof comprise a plurality of LED light controllers being capable of connecting with a wireless operating end, a plurality of kinetic energy sensors or wireless remote controls for receiving commands output by the wireless operating end, the kinetic energy sensors or the wireless remote controls so as to generate RGB signals and in turn make LED lamps connected with the LED light controllers change colors they emit.

Abstract: A planar light source and a backlight unit including the same are disclosed. The planar light source includes a light emission region formed by arrangements of light emitting devices. The light emission region includes first to nth separate parts each having a center of the light emission region as one vertex (n: natural number of 2 or higher). The first separate part includes light emitting devices arranged two-dimensionally in first and second directions. A pitch in the first direction is different from a pitch in the second direction in at least a portion of the two-dimensional arrangement structure. Light emitting devices of each of the second to nth separate parts have an arrangement structure obtained by a clockwise or counter-clockwise rotation of the arrangement structure of the light emitting devices of the first separate part by an angle of 1/n×360° about the center of the light emission region.

Abstract: A handheld device includes a row of lighting elements configured at the side of its top body that faces a keypad of its bottom body for illuminating the keypad when the two bodies slide away for use. The lighting elements projects light in a direction nearly parallel with the keypad and toward the surface of the keypad, and illumination of the keypad is therefore accomplishable in various environmental conditions. The lighting elements may also be used for illuminating the keypad or displayed with different strength or bright and dark periods based on the ambient brightness, and based on the charging rate of the handheld device's rechargeable battery when the handheld device is being charged.

Abstract: An illuminatable device (1) comprising: a side emitting light guide (2); a first controller end (4) adjoining a first end of said light guide (2); and a second controller end (4) adjoining a second end of said light guide (2), wherein at least one said controller end (4) includes at least one power source (11) and at least one said controller end (4) includes at least one light source (10) for illuminating said light guide (2) to create a multidirectional light output.

Abstract: A vehicle flasher hazard function is implemented on an electrical controller having control over vehicle exterior lights. The flasher hazard function features an optimized duty cycle and operational frequency, consistent with legal requirements for the flasher rate. The point in time that individual bulbs are turned on is staggered in time to avoid all bulbs being simultaneously activated. This distributes the current surges associated with bulb activation being distributed in time. When a vehicle battery can no longer sustain the legally mandated flasher rate an optional path for flasher operation at a reduced rate is provided.

Abstract: Display cases having lighting assemblies and methods of illuminating display cases with such lighting assemblies. Embodiments of the lighting assemblies may be used in display cases of any type and particularly in those where the purchaser selects via an external mechanism (e.g., buttons) a product from a variety of products stored inside the display, such as a vending machine. Lighting assemblies are installed within a vending machine, such as on or within the vending machine shelves or product dividers, and their light emission controlled depending on the product being selected from the vending machine. In on embodiment, all light sources within the vending machine except those illuminating the selected product are dimmed. In this way, the product being selected by the purchaser can be emphasized. In other embodiments, color or multi-color LEDs are used to emit light that best compliments the color of products housed within the vending machine.

Abstract: A lighting device 12 of the present invention includes a plurality of point light sources 32 and a conductive pattern 34. Each of the point light sources 32 includes two electrodes 33a, 33b having different polarities, and the point light sources 32 are defined in a plurality of light source arrays 40 each including a predetermined number of point light sources 32, and driving power is supplied to each light source array 40. The adjacent light source arrays 40, 40 are arranged so that the point light source 32 of one of the adjacent light source arrays 40, 40 is opposed to the point light source 32 of another one of the adjacent light source arrays 40, 40 with each one electrode 33a, 33a being opposed to each other. The opposing electrodes 33a, 33a are arranged to have a same polarity and connected to a same conductive pattern 34.

Abstract: An LED-based light for replacing a conventional fluorescent tube in a fixture is provided. The LED-based light includes an elongate light transmitting rod defining a bore and at least one LED positioned at one or both ends of the rod and oriented to produce light longitudinally into a portion of the rod radially outward of the bore. At least one connector is physically coupled to an end of the rod and electrically coupled to the at least one LED. The at least one connector is adapted for physical and electrical connection to the fixture. In operation, the directional light produced by the at least one LED is dispersed by way of reflection, refraction, and/or diffusion while traveling longitudinally through the rod to reduce the appearance of bright spots.

Abstract: The present invention provides multiple projection systems within a single automated luminaire. The invention provides means for aligning the output of the multiple automated luminaries on a projection surface.

Abstract: A light source and a method for operating the same are disclosed. The light source includes a light emitter and a controller. The light emitter generates light in response to a control signal coupled thereto. The light emitter is characterized by an age related to the amount of light that has been cumulatively generated by the light emitter, the generated light for a given control signal changing with the age. The controller measures the age of the light emitter and generates the control signal based on the desired light intensity and the measured age of the light emitter. In one embodiment, the controller stores an age value for the light emitter, and the controller determines the control signal in response to an input signal specifying a desired light intensity from the light emitter, the controller updating the age value each time the control signal is determined.

Abstract: An LED apparatus including (a) a mounting board, (b) a plurality of LED packages thereon, (c) a lens member over each LED package, and (d) a safety barrier positioned over the mounting board, the barrier having sufficient thickness for enclosure of electrical elements on the mounting board and including a plurality of openings each sized to permit light from an LED package to pass therethrough and through a light-transmission portion of the lens member over such LED package to prevent finger-contact of electrical elements on the mounting board when the light-transmission portion is not present.

Abstract: The present invention provides an improved paradigm for controlling multicolored LED's in an automated lighting system that is particularly useful for LED fixtures using LED colors other than or in addition to Red, Green and Blue and with LED fixtures used in combination with subtractive (CMY) color mixing fixtures.

Abstract: A lighting panel system includes a lighting panel including a first string of solid state lighting devices configured to emit light at a first wavelength and a second string of solid state lighting devices configured to emit light at a second wavelength, different from the first wavelength, and a current supply circuit configured to supply a drive current to the first string in response to a control signal. A photosensor is arranged to receive light emitted by the panel, and a control system is configured to sample an output signal of the photosensor and adjust the control signal responsive thereto to thereby adjust an average current supplied to the first string by the current supply circuit. Methods of operating a lighting panel are also provided.

Abstract: An illumination device comprises: a plurality of laser light sources arranged so as to be identical in a direction of light emission; an optical element for converting laser light emitted from the laser light sources into parallel light at least in one direction; and a fly-eye lens into which the laser light converted into parallel light is entered. Placement of the laser light sources is adjusted in such a manner that incident regions of the laser light on the fly-eye lens are mutually shifted in a row or column direction of lens cells disposed in the fly-eye lens.