Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8172415 | Color-tunable illumination system The invention relates to a color-tunable illumination system (10; 12; 14) and a luminaire. The color-tunable illumination system comprises a first light source comprising a first set of light emitting diodes (21, 24), and a second light source comprisi... | 05/08/2012 |
| 8162498 | Solid state lighting using nanophosphor bearing material that is color-neutral when not excited by a solid state source A solid state lighting device, such as a lamp or light fixture, includes a solid state source and one or more semiconductor nanophosphors dispersed in a light transmissive material in the element. The material is of a type and the nanophosphor(s) are dispersed there... | 04/24/2012 |
| 8157398 | Light source unit utilizing laser for light source and projector A projector including a light source unit, a display device and a projector control means, wherein the light source unit includes a fluorescent plate 130 including fluorescent material layers 131 disposed adjacent for emitting light in predetermined wa... | 04/17/2012 |
| 8152318 | Optical system for a light emitting diode with collection, conduction, phosphor directing, and output means An optical system with an LED light source utilizes a base with an inverted conical shape to conduct light to a phosphor layer. The phosphor layer emits light from both upper and lower surfaces. The base and a substantially mirror image cap element facilitate effici... | 04/10/2012 |
| 8147082 | Versatile safety reflectors A Safety reflector suitable as a road stud or hazard reflecting ornament able to utilize ambient light without solar panels batteries or diodes, in order to reflect light multi-dimensionally. ... | 04/03/2012 |
| 8147081 | Directional linear light source An illumination apparatus includes a linear array of light emitting diode (LED) chips disposed on a support. A linear reflector assembly has a light coupling reflector portion and a one dimensional light collimation or focusing portion. The linear reflector assembly... | 04/03/2012 |
| 8128249 | Apparatus for selectively backlighting a material A backlighting device (300, 400, 500, 600) emitting light having a first wavelength includes a first radiation emission device (302), e.g., an electroluminescent lamp, for emitting radiation having a second wavelength. A layer (306) of a plurali... | 03/06/2012 |
| 8118441 | Color-variable LED light, particularly for lighting the interior of vehicles The invention relates to an LED light, particularly a reading or seat lamp for vehicles such as travel coaches or airplanes, said light being equipped with a housing (36), a plurality of LEDs comprising first LEDs (16) that transmit electromagnetic rad... | 02/21/2012 |
| 8113675 | Arrangement for emitting mixed light An arrangement for emitting mixed light (5) comprising primary and secondary radiation (51, 52, 53) in a mean direction of emission (5), comprising at least one first electroluminescent light-source (21) for emitting first primary radiati... | 02/14/2012 |
| 8104907 | Remote wavelength converting material configuration for lighting A device includes a reflector and a wavelength converting material disposed on the reflector. A backlight is disposed between the reflector and a surface to be illuminated, such as a liquid crystal display panel. The backlight includes a light source and a waveguide... | 01/31/2012 |
| 8104908 | Efficient LED-based illumination module with high color rendering index An illumination module includes a light mixing cavity with an interior surface area and window that are physically separated from an LED. A portion of the window is coated with a first wavelength converting material and a portion of the interior surface area is coat... | 01/31/2012 |
| 8096668 | Illumination systems utilizing wavelength conversion materials A wavelength conversion material with an omni-directional reflector is utilized to enhance the optical efficiency of an illumination system. Light guides with restricted output apertures, micro-element plates and optical elements are utilized to enhance the brightne... | 01/17/2012 |
| 8083364 | Remote phosphor LED illumination system An illuminator is disclosed, in which an LED module emits short-wavelength light toward a phosphor module, which absorbs it and emits wavelength-conditioned light. The emission is generally longitudinal, with a generally Lambertian distribution about the longitudina... | 12/27/2011 |
| 8075148 | Illumination apparatus, color conversion device, and display apparatus An illumination apparatus includes a transparent substrate, a phosphor layer, an optical wavelength selection filter layer, and a light-emitting device. The transparent substrate includes a first surface and a second surface opposing each other. The phosphor layer i... | 12/13/2011 |
| 8075147 | Optical device for LED-based lamp An optical device for coupling the luminous output of a light-emitting diode (LED) to a predominantly spherical pattern comprises a transfer section that receives the LED's light within it and an ejector positioned adjacent the transfer section to receive light from... | 12/13/2011 |
| 8061861 | Method for illuminating colors in a backlit driver airbag emblem An airbag emblem may be backlit or illuminated to provide the emblem with greater visual appeal. In order to accomplish this illumination, an illumination source is used. This illumination source may be electroluminescent foil. The emblem includes colors that are ad... | 11/22/2011 |
| 8052293 | Omnidirectionally illuminated sport board An illuminated sport board/skateboard emits light from both the top and bottom of the board to yield a significant quantum of light for optimal visibility and safety. A base panel is provided having an underside surface with at least one transparent segment aligned ... | 11/08/2011 |
| 8038308 | Luminous body A luminous body is described, in particular in the form of a planar illumination device for general lighting or for backlighting of displays, wherein the luminous body comprises a plurality of light sources arranged in a housing (1) such as, for example, LED ... | 10/18/2011 |
| 8033675 | Light emitting device and electronic device A light emitting device has a plurality of light emitting elements each having a first electrode layer, a second electrode layer, and a light emitting layer disposed between the first and the second electrode layers, a reflective layer being disposed between a subst... | 10/11/2011 |
| 8029152 | Package for light-emitting device, light-emitting apparatus, and illuminating apparatus A package includes a base body having a mounting portion for mounting a light-emitting device, a frame-shaped first reflection member attached to the upper surface of the base body, an inner peripheral surface of which is shaped into a first light reflecting surface... | 10/04/2011 |
| 8021008 | Solid state lighting using quantum dots in a liquid A lighting apparatus includes a source of light of a first spectral characteristic, a reflector or a diffusely reflective chamber or cavity having a transmissive optical passage, and a liquid containing quantum dots. The quantum dots provide a wavelength shift of at... | 09/20/2011 |
| 8016443 | Remote-phosphor LED downlight An embodiment of a collimating downlight has front-mounted blue LED chips facing upwards, having a heat sink on the back of the LED chips exposed in ambient air. The LED chips are mounted in a collimator that sends their blue light to a remote phosphor situated near... | 09/13/2011 |
| 8007120 | Safety flag A safety flag includes reflective material, a light source and a controller. The safety flag meets legal requirements when used for extended loads in vehicles in day and night use. ... | 08/30/2011 |
| 7997745 | Lighting device and lighting method A lighting device, comprising a first group of solid state light emitters and a first group of lumiphors, wherein at least some of the first group of solid state light emitters are contained in a first group of packages, each of which also comprises at least one of ... | 08/16/2011 |
| 7997746 | Arrangement for generating dual images An arrangement and method for displaying at least a first and a second image. The arrangement comprises at least one light source (120, 121, 220, 221, 320, 321) adapted to generate light having at least a first and a second light characteristic; and at least ... | 08/16/2011 |
| 7988311 | Light emitting device having a phosphor layer A light emitting device and method of producing the same is disclosed. The light emitting device includes a light emitting semiconductor, an encapsulation layer, wherein the light emitting semiconductor is disposed within the encapsulation layer, a phosphor layer pr... | 08/02/2011 |
| 7972023 | Lamp-cover structure containing luminescent material An LED lamp cover structure containing luminescent material and its fabrication methods are described. The LED lamp cover is comprised of a first lens cap providing the outer surface of the lamp cover, a second lens cap providing the inner surface of the lamp cover,... | 07/05/2011 |
| 7972030 | Light emitting diode (LED) based lighting systems A lighting system comprises at least one excitation source (5), preferably an LED, operable to generate and radiate excitation radiation of a first wavelength (λ1); a shade (4) configured to at least in part surround the at least one source... | 07/05/2011 |
| 7959312 | White light emitting device and white light source module using the same A white light emitting device including: a blue light emitting diode chip having a dominant wavelength of 443 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red phosphor excited by the blue light emitting diode chip to emit red lig... | 06/14/2011 |
| 7942540 | Color tunable light source A lighting module includes a light output window, at least one side wall that defines a cavity and a mounting plate, and at least one light source, and at least one reflector that is within the cavity. The light output window may be one of the side walls in a side-e... | 05/17/2011 |
| 7938551 | Luminescent glass The present invention provides a process for producing a luminescent glass, comprising the steps of adsorbing, to a porous high silica glass, at least one metal component selected from the group consisting of elements of Groups IIIA, IVA, VA, VIA, VIIA, VIII, IB, II... | 05/10/2011 |
| 7931387 | Light-emitting diode light source An LED light source comprises a lower substrate having an upper surface which is formed with a groove and covered with an insulating layer in an area outside the groove, wherein the insulating layer is partially covered with a metal layer; an upper substrate dispose... | 04/26/2011 |
| 7909476 | Light source module of light emitting diode A light source module of light emitting diode includes a substrate having circuits, a light-converted component, and several of light emitting diodes. The light-converted component includes a transparent substrate and a fluorescence material layer positioned on the ... | 03/22/2011 |
| 7887206 | Optical unit, backlight assembly with the optical unit, and display device with the backlight assembly An optical includes an optical body including a plurality of side faces where one of the plurality of side faces defines a light entrance face onto which a blue light is incident. A light exit face is connected to at least one of the side faces, and a yellow fluores... | 02/15/2011 |
| 7883226 | LED signal lamp An LED signal lamp (100) comprises: a housing (102), at least one LED excitation source (108) operable to emit excitation radiation of a first wavelength range (blue light), at least one phosphor material (114) for converting at least a p... | 02/08/2011 |
| 7878670 | Illumination apparatus and liquid crystal display apparatus Provided is an illumination apparatus for a liquid crystal display apparatus having a plurality of transmission parts arranged two-dimensionally, having a plurality of aspherical lenses, which is installed in response to each of a plurality of the transmission parts... | 02/01/2011 |
| 7857472 | Backlight source having first and second electroluminescence devices A backlight source has different luminescence types of electroluminescence devices and coordinates at least one of the arrangement positions and the arrangement spacing of the electroluminescence devices to improve the brightness uniformity of the backlight source a... | 12/28/2010 |
| 7850321 | Wavelength converting system An embodiment of the invention discloses a wavelength converting system capable of emitting a second electromagnetic radiation having a second wavelength in response to a first electromagnetic radiation having a first wavelength, wherein an energy level of the first... | 12/14/2010 |
| 7837343 | Illuminating device and display device An illuminating device includes a light-condensing sheet, a light-emitting portion, and a control unit. The light-condensing sheet includes a plurality of lenses each with a light-condensing function ranged on a light transmittance substrate. The light-emitting port... | 11/23/2010 |
| 7832885 | Patterned wavelength converting structure The present invention provides a patterned wavelength converting structure comprising a frame, a light source, a substrate, a film, a wavelength converting layer and a pattern disposed on the film. The pattern and the wavelength converting layer can be one piece. Th... | 11/16/2010 |
