Abstract: A solid state illumination device includes a semiconductor light emitter mounted on a base and surrounded by sidewalls, e.g., in a circular, elliptical, triangular, rectangular or other appropriate arrangement, to define a chamber. A top element, which may be reflective, may be coupled to the sidewalls to further define the chamber. The light produced by the semiconductor light emitter is emitted through the sidewalls of the chamber. The sidewalls and/or top element may include wavelength converting material, for example, as a plurality of dots on the surfaces. An adjustable wavelength converting element may be used within the chamber, with the adjustable wavelength converting element being configured to adjust the surface area that is exposed to the light emitted by the semiconductor light emitter in the chamber to alter an optical property of the chamber.

Abstract: A lighting device including a substrate, and at least three light emitting elements mounted on the substrate, each having an upper light emitting surface in rectangular shape and side light emitting surfaces in rectangular shape. The light emitting elements are positioned to surround a light-gathering region where the light emitting elements are not located, and one of the side light emitting surfaces of each light emitting element is directed to face approximately a central portion of the light-gathering region.

Abstract: The instant invention discloses a device and method to mix and match LED die at a LED emitter or array level in an array to obtain a consistent average weighted wavelength, and/or desired flux, reducing the spread of a color range and therefore reducing the observed LED color range. The mixing of different wavelength and flux LED's expands the color gamut of the LEDs available to be used in a particular luminaire with a given color specification.

Abstract: A method and apparatus of lighting a marine habitat for growth utilizing an LED light system. The light system includes an LED light source, a power supply for such light source and a controller for controlling the activation status and the intensity of the LED light source.

Abstract: A light assembly that includes an enclosure, a circuit board having a plurality of light sources disposed within the enclosure, and a plurality of light redirection elements associated with a respective one of the plurality of light sources. Each of the light redirection elements directs light toward a common point within the enclosure.

Abstract: A light emitting device is produced using one or more light emitting diodes within a light mixing cavity formed by surrounding sidewalls. The light emitting device includes a light adjustment member that is movable to alter the shape or color of the light produced by the light emitting device. For example, the light adjustment member may alter the exposure of the wavelength converting area to the light emitted that is emitted by the light emitting diode in the light mixing cavity. Alternatively, the height of a lens may be adjusted to change the width of the beam produced. Alternatively, a movable substrate with areas of different wavelength converting materials may adjustably cover the output port of the light mixing cavity to alter the color point of the light produced.

Abstract: A high intensity LED based lighting array for use in an obstruction light with efficient uniform light output is disclosed. The high intensity LED based lighting array has a ring assembly having a plurality of reflectors and light emitting diodes. The ring assembly has a planar surface mounting each of the plurality of primary reflectors in perpendicular relation to a respective one of the plurality of light emitting diodes. A secondary diffuser is positioned on the ring to mix light from the light emitting diodes to create a uniform light emission in a range of azimuth angles.

Abstract: A lighting device, comprising at least one solid state light emitter and one (or more) optical device(s) which (each) comprises at least first, second and third optical structures, first and second surfaces of the second structure being in contact with a surface of the first structure and a surface of the third structure, respectively. The third structure has at least one optical feature. The light emitter is positioned, the optical feature is positioned, and the regions of the structures have indices of refraction, such that if the light emitter is illuminated, at least a portion of the emitted light will enter into the second optical device structure and exit from the optical feature on the third structure. Also, a method of lighting comprising illuminating a light emitter in such a device.

Abstract: A lighting unit includes: a light source unit 10 having a plurality of solid state light sources, a liquid crystal panel 30 displaying an image in accordance with an image input signal, a light source controlling unit 260 controlling, in accordance with the image input signal, a light amount of color component lights emitted from light source unit 10, and a speckle degree calculating unit 250 calculating a speckle degree that indicates a degree to which the color component lights generate a speckle displayed in accordance with the image input signal. The light source controlling unit 260 changes a control ratio between a first control mode and a second control mode, in accordance with the speckle degree acquired by the speckle degree calculating unit 250.

Abstract: A composite lamp assembly for use on a camouflaged military vehicle comprises a lamp housing colored to match the camouflaged scheme of the vehicle. The lamp housing defines an interior space, a first opening and a plurality of second openings in communication with the interior space. The lamp assembly includes a clear lens attached to the housing to occupy the first opening and a plurality of diffusers attached to the housing to occupy the plurality of second openings, the diffusers being colored to match the camouflaged scheme of the vehicle. The lamp assembly further includes a circuit board arranged within the interior space of the lamp housing having first and second pluralities of LEDs mounted thereto. The first plurality of LEDs is positioned to provide light through the clear lens and the second is positioned to provide light through the diffusers.

Abstract: A display comprises a block of optically transparent materials. Patterns are etched within the block. The patterns may be selectively illuminated by light directed into sides of the block. Barriers divide the block or layers within the block into segments. Patterns in different segments and/or in different layers of the block may be independently illuminated. In some embodiments the block is made up of a number of sheets of optically transmissive material. The block may permit viewing of display elements or other objects or things located behind the block. Patterns may be configured to scatter preferentially light of specific polarizations. Displays may be applied in a wide variety of applications including in vehicles, as displays on electronic devices and the like.

Abstract: A vehicle light having a plurality of LED light sources can be configured to be capable of preventing or suppressing emission of glaring light. An LED package with a plurality of LED light emitting elements can be provided. The vehicle light can include a plurality of LED light sources emitting light with a dominant wavelength that falls within a wavelength range of light that is emitted from an incandescent bulb and which has passed through a filter with a specified color. The respective dominant wavelengths can be different from one another. The LED package can include a plurality of LED elements emitting light that has a dominant wavelength which falls within a wavelength range of light that is emitted from an incandescent bulb and which has passed through a filter with a specified color. The respective dominant wavelengths can be different from one another.

Abstract: A lighting device includes a support structure formed from a thermally conductive material such as aluminum. The support structure or extrusion has a channel for receiving and retaining a circuit board with a plurality of light emitting diodes (LEDs) disposed thereon. One or more fins adapted for dissipating heat produced by the LEDs may be disposed on the support structure. The support structure may also include one or more retaining members for retaining one or more optical elements in relation to the LEDs and a support tray for holding a power supply.

Abstract: A lamp includes a tube-shaped lamp shade with a space, a first light-emitting diode (LED) light source, a first diffuser, a second LED light source, a second diffuser, and two covers. A spacer extending along the direction of the length of the tube-shaped lamp shade is disposed in the space. The spacer has a first surface and a second surface, and the tube-shaped lamp shade has a first slot and a second slot. The first LED light source is disposed on the first surface. The first diffuser is disposed in the first slot, and a first hole is formed at the first diffuser. The second LED light source is disposed on the second surface. The second diffuser is disposed in the second slot. The two covers are disposed at two ends of the tube-shaped lamp shade respectively, and each cover has a second hole.

Abstract: A portable fishing light has a base housing, a mounting element adapted for removably mounting the base housing on the boat, and a light wand having a white light source and a UV light source. A flexible control arm adjustably mounts the light wand to the base housing so that the light wand can be adjustably positioned relative to the base housing.

Abstract: There is provided a surface light source using white light emitting diodes including: a plurality of white light emitting diodes arranged at a predetermined distance from one another, wherein the white light emitting diodes are arranged such that a light emitting diode unit defined by each of the white light emitting diodes and corresponding ones of the white light emitting diodes disposed at a closest distance from the each white light emitting diode has a central light amount ranging from 80% to 120% with respect to an average light amount of the white light emitting diodes.

Abstract: A solid state illumination device includes a semiconductor light emitter mounted on a base and surrounded by sidewalls, e.g., in a circular, elliptical, triangular, rectangular or other appropriate arrangement, to define a chamber. A top element, which may be reflective, may be coupled to the sidewalls to further define the chamber. The light produced by the semiconductor light emitter is emitted through the sidewalls of the chamber. The sidewalls and/or top element may include wavelength converting material, for example, as a plurality of dots on the surfaces. An adjustable wavelength converting element may be used within the chamber, with the adjustable wavelength converting element being configured to adjust the surface area that is exposed to the light emitted by the semiconductor light emitter in the chamber to alter an optical property of the chamber.

Abstract: A flat light-emitting apparatus includes a light-emitting element for radiating visible light consisting of a first-wavelength light with a wavelength substantially not less than 600 nm and a second-wavelength light with a wavelength substantially not greater than 480 nm, a wavelength conversion material for generating a third-wavelength light when irradiated by the second-wavelength light, a first color filter for the passing of the first-wavelength light, a second color filter for the passing of the second-wavelength light, and a third color filter for the passing of the third-wavelength light.

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 illuminated clipboard is provided including a base member having an outer surface with a first lamp retainer and a storage compartment with a second lamp retainer. A document holder is secured to the base member for holding a document. An illumination source is removably attachable to the first lamp retainer to selectively illuminate a document held by the document holder and attachable to the second lamp retainer for storage in the storage compartment. A second clipboard can be removable attached to the illuminated clipboard in a back-to-back relationship.

Abstract: The invention relates to a lighting arrangement for illuminating a surface. The lighting arrangement has a supporting element and a lighting unit (1) which is supported by the supporting element. The lighting unit (1) has a housing (2) which is designed to accommodate a solid-state light source (4). The housing is also transparent on at least one side. The solid-state light source (4) is suitable for generating light having wavelengths from a first wavelength region and a second wavelength region. The first wavelength region comprises wavelengths of 500-550 nm. The second wavelength region comprises wavelengths of 560-610 nm. The lighting unit (1) is designed to generate light having a dominant wavelength from the first wavelength region in such a way that the eye sensitivity of the human eye is dominated by rods.

Abstract: An input device and a mobile terminal including the same is provided. The input device includes a housing formed of a non-conductive material and having at least one transmissive region, a touch board spaced from the housing, a displaceable conductive member located between the housing and the touch board, and a plurality of light emitting units, each light emitting unit being located on the touch board.

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 desired color of illumination of a subject is achieved by determining settings for color inputs and applying those setting to one or more systems that generate and mix colors of light, so as to provide combined light of the desired character. In the examples of appropriate systems, an optical integrating cavity diffusely reflects light of three or more colors, and combined light emerging from an aperture of the cavity illuminates the subject. System settings for amounts of the different colors of the input lights are easily recorded for reuse or for transfer and use in other systems.

Abstract: There is provided a light-emitting device (1) comprising a light source comprising a plurality of light-emitting diodes (3), said light source having a light outcoupling surface (2); a base (4); an envelope (5) covering said light source, said envelope having a maximum diameter 2*R in a direction transversal to an imaginary axis extending. through said base and said envelope, around which imaginary axis said envelope is symmetrical; and a light scattering material (6) provided in the path of light from said light outcoupling surface; wherein said light outcoupling surface is located at a position at which said envelope has a diameter D in a direction transversal to said imaginary axis, and within a distance r from said imaginary axis, r is less or equal to D/4. The light emitting device provides high efficiency in terms of light flux in the forward direction in relation to the total flux from the light source.

Abstract: The present invention provides a light irradiating apparatus comprising a plurality of light emitting elements which emit light of a specific wavelength region and form elliptical light images on a surface to be irradiated, wherein the plurality of light emitting elements are mutually arranged so that the light images are made continuous along their major axis directions. Further, the invention also discloses the above-mentioned light irradiating process and an image recording process.

Abstract: Disclosed is an illumination device comprising a radiation-emitting front side and a multiplicity of light sources (R, G, B), wherein said multiplicity of light sources (R, G, B) is divided into light source groups (LG) and the light source groups (LG) are arranged on the grid points of a first regular grid.

Abstract: The transillumination device has an orange light, in the range of 580-620 nm. Orange light has been found to be beneficial for superficial veins. Red light is used for deeper veins and darker skin. The transillumination device may have a single light source able to change colors. Two different light sources, each having a different color or different transillumination devices, each having a different color, may be used for diagnostic purposes.

Abstract: An LED lamp includes a frame having a bottom surface, a plurality of heat sinks, and a plurality of LED modules. Each of the heat sinks has an engaging surface defined at an acute angle with respect to the bottom surface of the frame. Each of the LED modules is attached on the engaging surface of the heat sink. The heat sinks are rotatable relative to the frame to adjust the angle of the engaging surface of the heat sinks with respect to the bottom surface of the frame, providing variable area and intensity of illumination.

Abstract: A light source module including a plurality of first point light sources, a plurality of second point light sources, and a plurality of third point light sources is provided. The dominant wavelengths of lights provided by the first point light sources are within a wavelength range of a first color light, and at least two of the first point light sources emit light with different dominant wavelengths. The dominant wavelengths of lights provided by the second point light sources are within a wavelength range of a second color light, and at least two of the second point light sources emit light with different dominant wavelengths. The dominant wavelengths of lights provided by the third point light sources are within a wavelength range of a third color light, and at least two of the third point light sources emit light with different dominant wavelengths.

Abstract: For general lighting applications, a semiconductor chip produces near ultraviolet (UV) electromagnetic energy in a range of 380-420 nm, e.g. 405 nm. Semiconductor nanophosphors, typically doped semiconductor nanophosphors, are remotely positioned in an optic of a light fixture. Each phosphor is of a type or configuration that when excited by energy in the 380-420 nm range, emits light of a different spectral characteristic. The nanophosphors together produce light in the fixture output that is at least substantially white and has a color rendering index (CRI) of 75 or higher. In some examples, the fixture optic includes an optical integrating cavity. In the examples using doped semiconductor nanophosphors, the visible white light output exhibits a color temperature in one of the following ranges along the black body curve: 2,725±145° Kelvin; 3,045±175° Kelvin; 3,465±245° Kelvin; and 3,985±275° Kelvin.

Abstract: A lamp that allows a user to adjust parameters to control emitted white light, specifically quality, intensity and color temperature. Under such control, the lamp can match, complement, or augment ambient or available natural or artificial light. In specific embodiments, the lamp uses high power, high CRI, white LED sources; integral thermal management that also functions as LED structural support; integral optics (secondary lenses) with accommodation for diffusing elements; and manually responsive controls.

Abstract: An illumination source includes at least one light emitting diode, e.g., in array of LEDs that produce short wavelength light. One or more wavelength converting elements, such as phosphor elements, convert at least a portion of the short wavelength light from the LED(s) to longer wavelengths, such as Red and Green. A dichroic element positioned between the LED(s) and the wavelength converting element(s) transmits the light from the LED(s) and reflects the longer wavelengths from the wavelength converting element(s). A color selection panel selects the colors of light to be produced by the illumination device and to be recycled for another opportunity to be converted by the wavelength converting element(s) or to be reflected by the dichroic element. The color selection panel may operate in one or both of the spatial domain and the temporal domain.

Abstract: An ambient lighting system for a hospital operating room environment and a method of using said system is described. An apparatus comprising the combination of a translucent sheet and a backlight LED panel or colored light source (colored lamp(s) or LED(s) in an alcove) provides a diffuse light when light from said panel, alcove, or other source is presented to the translucent sheet, is scattered, and represented as unfocused light on the exposed surface of the translucent sheet. Usage of the apparatus in an operating room provides a calming environment. The method and apparatus may be adapted to include wireless control over the intensity, color, and on/off state of the light. Further, usage of known translucent materials provides a sterile and safe surface.

Abstract: A solid state lighting apparatus includes a plurality of light emitting diodes (LEDs). Each of the LEDs includes an LED device configured to emit light having about a first dominant wavelength and a phosphor configured to receive at least some of the light emitted by the LED device and responsively emit light having about a second dominant wavelength. A combined light emitted by the LED device and the phosphor of a first one of the plurality of LEDs has a first color point and a combined light emitted by the LED device and the phosphor of a second one of the plurality of LEDs has a second color point that falls outside a seven step Macadam ellipse around the first color point.

Abstract: A calorimetric pupil light reflex testing device for diagnostic assessment of the ocular and central nervous system diseases based on melanopsin and non-melanopsin spectral light properties. The device employs blue and red light emitting diodes emitting light at wavelengths of approximately 472 nanometers and 630 respectively to elicit pupillary constriction. The light emitting diodes are each provided within a handheld light wand, allowing the light emitting diodes to be hand held. The light emitting diodes provide intense light and the predetermined wavelengths, thereby eliminating the necessity of a light meter or colored filter.

Abstract: A light emitting device having a simple structure and high decorating characteristics is provided. The light emitting device comprises an emission source for outputting lights having different colors from different emission parts; and a transmitting resin having a conically shaped reflection surface for reflecting lights output from each of the emission parts, and covering the light emitting source, wherein the emission source is provided so that one or more of the emission parts are located away from a central axis of the conical shape.

Abstract: An edge device for an elevator door includes an elongate array of infrared transmitters and/or receivers and a proximate elongate array of illuminable elements, both arrays extending for a substantial part of the length of the door. The illuminable elements are adapted to be illuminated when the door is in motion. The two arrays are disposed in a common carrier structure, being either vertically interleaved or extending vertically in parallel with each other.

Abstract: A laser system. The laser system includes a first laser device configured to emit a first laser beam, a second laser device configured to emit a second laser beam, and a third laser device configured to emit a third laser beam. The laser system also includes a laser combiner configured to receive the first, second, and third laser beams and output the first, second, and third laser beams with less separation downstream of the laser combiner than upstream of the laser combiner.

Abstract: A triangular red LED warning device comprises a compact box. A pair of oblique side red LED flashing boards, a base side red LED flashing board and a pair of supporting leg plates. The pair of oblique side red LED flashing boards are connected frictionally by a frictional tightening means at each one end to both ends of the base side red LED flashing board, and their each other ends are also connected detachably by means of an elastic connecting pin at neighborhood of the vertical angle, which is formed by the both oblique side boards. Thus, the triangular red LED flashing board can make various signal forms by frictional rotation and stoppage of the each oblique side board for a suitable degree against gravity, and can be freely folded to be received into a compact box after using.

Abstract: In order to control light emission of light emitting diodes, current dividing circuits are used to supply currents of a substantially fixed level to all lines. Light emitting diodes are arranged in groups of a predetermined number of LEDs in series, and sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are laid out on the same straight line so as to form a single row. Substrates with these formed thereon are arranged adjacent to each other in the direction of the rows, so that sets of the light emitting diodes connected to the first line and sets of the light emitting diodes connected to the second line are arranged alternately. With this configuration, it is possible to provide a backlight device with a plurality of LED arrays arranged thereon, which can uniformly illuminate the entire screen with light from the LED arrays.

Abstract: Disclosed is an illuminative module for enhancing the white balance while reducing thermal drift and color spots. The illuminative module includes a substrate and light-emitting elements provided on the substrate to emitting light of the primary colors and a fourth color, respectively, so that the light of the primary colors is mixed with the light of the fourth color to provide white light.

Abstract: A hand held UV lamp and beam generator has resistive ballast provided by a glowing wire and thermal ballast provided by heated air coming via the same hot wire. A detachable reflector housing has curved symmetric spars in a generally parabolic shape defining an axis with an elongated axially lamp at a focal line. Heated air flows through the spars heating the lamp in a start mode and cooling the lamp in a run mode. The lamp and beam generator is made from electrical components found in a household hair dryer.

Abstract: The present invention provides a light source for producing a substantially balanced output at a substantially optimised output intensity. In one embodiment, the light source comprises one or more light-emitting clusters of a first type and one or more light-emitting clusters of one or more other types, each one of which comprising one or more light-emitting elements, such that, when all light-emitting elements are driven to provide a substantially optimised output intensity, the spectral output of the one or more light-emitting clusters of the first type is substantially balanced by the spectral output of the one or more other light-emitting clusters.

Abstract: A semiconductor light source for illuminating physical spaces can include a lead frame with multiple facets. Each facet can have one or more semiconductor light emitting devices located on it.

Abstract: The invention describes a Light engine (1,2,3,4,5) comprising a chamber (6) with at least one aperture (7) and a number of LED elements (13) positioned inside this chamber, where effectively all inner surfaces of the chamber (6) are realized as high-reflective surfaces (20) which are essentially non-absorbing towards light within a desired wavelength region

Abstract: A light emitting device comprises: an LED chip mounted in a recess formed in a mounting substrate; a wavelength converting member that is disposed so as to cover the recess and the edge area around the recess and that is excited by light emitted from the LED chip to emit light of a wavelength different from an excitation wavelength; and an emission control member disposed at a light output side of the wavelength converting member so as to allow emission of light coming from an area of the wavelength converting member that corresponds to the recess and to prevent emission of light coming from an area of the wavelength converting member that corresponds to the edge area around the recess. This can prevent variations in color between light emitted from the central part of the wavelength converting member and light emitted from the part of the wavelength converting member that is located on the edge area around the recess of the mounting substrate, thereby reducing unevenness of color on the irradiation surface.

Abstract: A lamp includes a tube-shaped lamp shade with a space, a first light-emitting diode (LED) light source, a first diffuser, a second LED light source, a second diffuser, and two covers. A spacer extending along the direction of the length of the tube-shaped lamp shade is disposed in the space. The spacer has a first surface and a second surface, and the tube-shaped lamp shade has a first slot and a second slot. The first LED light source is disposed on the first surface. The first diffuser is disposed in the first slot, and a first hole is formed at the first diffuser. The second LED light source is disposed on the second surface. The second diffuser is disposed in the second slot. The two covers are disposed at two ends of the tube-shaped lamp shade respectively, and each cover has a second hole.

Abstract: The present invention relates to a clip type light emitter, and in particular to a clip type light emitter capable of enhancing a visual field at night by detachably engaging a clip type light emitter to a leisure cap (including hat) generally used for a mountain climbing or fishing or travel or various sports. The clip type light emitter comprises a casing forming a body; a plurality of lamps provided at a front side of the casing at regular intervals; a switch part provided in one side of the casing; a battery provided in the interior of the casing; and a clip provided in an upper side of the casing and having one side end integrally engaged with the casing and having a certain elastic force, wherein the clip type light emitter is detachably engaged to a leisure cap (including hat) used for a mounting climbing, a fishing or various outdoor leisure and sports.

Abstract: An LED light bulb where the LED light bulb itself is molded into various shapes. The plastic lens used to surround the diode is shaped when manufactured to resemble various items, such as stars, crosses, hearts, trees, pinecones, bulbs, flat panels with designs, or any other shape the user desires. Because the entire light bulb is the LED, uniform and consistent light can be emitted from every part of the plastic lens that makes up the shaped LED light bulb, allowing the user to view the shaped LED light bulb from any angle. The shaped LED light bulb can be used individually, or strung together to form a strand of shaped lights.