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| Number | Title | Issue Date |
| 8035287 | Fluorescent lighting creating white light A light emitting system (1) comprising a radiation source (2) capable of emitting a first light of at least a first wavelength spectrum; a first fluorescent material (4) capable of absorbing at least partially the first light and emitting second... | 10/11/2011 |
| 8004171 | Dielectric layer containing carbon for a plasma display panel A plasma display panel including a front panel having a first substrate, a first electrode, a first dielectric layer and a protective layer wherein the first electrode is formed on the first substrate, the first dielectric layer is formed over the first substrate so... | 08/23/2011 |
| 7990040 | Phosphor for high CRI lamps A fluorescent lamp including a phosphor layer including (Y1-x-yGdx)AlO3:EU3+y, wherein 0.4≦x≦0.7 and 0≦y≦0.1, and at least one of each of a green and blue emitting phosphor. The resulting lamp will exhib... | 08/02/2011 |
| 7923911 | Polycrystalline silicon as an electrode for a light emitting diode and method of making the same Metal induced polycrystallized silicon is used as the anode in a light emitting device, such as an OLED or AMOLED. The polycrystallized silicon is sufficiently non-absorptive, transparent and made sufficiently conductive for this purpose. A thin film transistor can ... | 04/12/2011 |
| 7781953 | Light-emitting device with open-loop control and manufacturing method thereof A light-emitting device with open-loop control including a LED capable of emitting a blue light and a mix-light adjusting portion is provided. The mix-light adjusting portion includes a first and a second fluorescent material both capable of being excited by blue li... | 08/24/2010 |
| 7768189 | White LEDs with tunable CRI A method for the manufacturing of white LEDs is proposed, which can achieve a tunable color rendering index (CRI) or luminosity through the use of at least two phosphor composition layers of essentially the same emission color coordinates, each composition including... | 08/03/2010 |
| 7598664 | Gas discharge display apparatus In a gas discharge display apparatus, a dielectric layer overlies the row electrode pairs provided between the opposing front and back glass substrates placed across the discharge space. A protective layer for the dielectric layer includes a crystalline MgO layer th... | 10/06/2009 |
| 7501749 | Vehicle lamp using emitting device for suppressing color tone difference according to illumination conditions A light-emitting device (2) including a light-emitting element (2a), a first phosphor (2b), and a second phosphor (2c). The light-emitting element (2a) emits light L1 having a wavelength range wit... | 03/10/2009 |
| 7477009 | Phosphor mixture and light emitting device To provide a phosphor mixture realizing a light emitting device having a phosphor and a light emission element, by which light emission is performed, with a small color shift due to a feeding current and having an excellent color rendering properties. CaAlSin3:Eu as... | 01/13/2009 |
| 7453195 | White lamps with enhanced color contrast A lighting apparatus for emitting white light including a semiconductor light source emitting radiation with a peak at from about 250 nm to about 500 nm; a first phosphor having a peak emission between about 450 and 550 nm; and a second phosphor having a peak emissi... | 11/18/2008 |
| 7442326 | Red garnet phosphors for use in LEDs Phosphor compositions having the formula LlMmAaGgPpQqNnZz:Ce3+, where L is at least one of Li, Na, K, Rb, and/or Cs; M is at least one of Be, Mg, Ca, Sr, Ba, Mn, Sn, P... | 10/28/2008 |
| 7432642 | Semiconductor light emitting device provided with a light conversion element using a haloborate phosphor composition A light emitting device is provided that has a semiconductor light emitting element and a phosphor which converts a part of the luminescence spectrum emitted from the semiconductor light emitting element. The luminescence spectrum of the semiconductor light emitting... | 10/07/2008 |
| 7405516 | Plasma-shell PDP with organic luminescent substance A PDP constructed out of one or more Plasma-shells with a luminescent substance(s) located in close proximity to each Plasma-shell. The luminescent substance comprises a combination of an organic luminescent substance and an inorganic luminescent substance. The comb... | 07/29/2008 |
| 7394188 | Phosphor based light source component A method of making a light source includes the steps of forming a first optical component having a phosphor material in fixed relation to a first multilayer interference reflector, providing a second optical component having an LED capable of emitting light that exc... | 07/01/2008 |
| 7388219 | Fluorescent lamp with optimized UVA/UVB transmission A low iron soda glass is combined with a UVA phosphor to provide increased uvb transmission from a florescent lamp which may be used as a tanning lamp. ... | 06/17/2008 |
| 7372212 | Lamp, method of driving the lamp, backlight assembly and liquid crystal display device having the backlight assembly A lamp, a method of driving the lamp, a backlight assembly having the lamp, and a liquid crystal display (LCD) device having the backlight assembly are disclosed. The lamp includes a tube that contains gas and first through fourth electrodes. The first and second el... | 05/13/2008 |
| 7370986 | Lamp body for a fluorescent lamp A lamp body for a fluorescent lamp has multiple sections arranged on an inner surface of the lamp body. The sections include at least one coated section coated with fluorescent powders and at least one non-coated section being naked and kept free from fluorescent po... | 05/13/2008 |
| 7365369 | Nitride semiconductor device A nitride semiconductor device used chiefly as an LD and an LED element. In order to improve the output and to decrease Vf, the device is given either a three-layer structure in which a nitride semiconductor layer doped with n-type impurities serving as an n-type co... | 04/29/2008 |
| 7361417 | Phosphor layer, image display device employing the same and method for making the phosphor layer A phosphor layer having improved contrast and brightness characteristics and a display device including the same are provided. The phosphor layer is made out of an ultra-fine pigment, a dispersant, a phosphor, a photosensitizer and a binder. The phosphor has a unifo... | 04/22/2008 |
| 7357882 | Light emitting device and illuminator using the same An object of the present invention is to provide a light emitting device having a high emission intensity, and a light emitting device having a high emission intensity and a good color rendering property. The present invention provides a light emitting device... | 04/15/2008 |
| 7345413 | Coated luminescent material and light-emitting device having such a luminescent material A coated luminescent material having a luminescent material powder formed by grains, the luminescent grains being coated, and the coating being at most 5 nm, preferably at most 2 nm. ... | 03/18/2008 |
| 7339322 | Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps Apparatus and methods are disclosed for measuring cathode fall within a fluorescent lamp that contains an electrode and a gas. A level of cathode fall associated with the electrode may be identified based on an intensity and wavelength of radiation emitted by the ga... | 03/04/2008 |
| 7334916 | Illumination device An electrical illumination device for generating saturated colors with at least two illumination units. The illumination units each have a discharge vessel with a low-pressure discharge and a phosphor coating on the inner wall of the vessel, characterized in that at... | 02/26/2008 |
| 7332106 | Light-emitting device and phosphor The present invention provides a light-emitting device having an excitation source which emits a light having a wavelength of from 420 to 500 nm and a phosphor in combination, and having a high luminance. A light-emitting device having a first illuminant whic... | 02/19/2008 |
| 7332855 | Phosphor blends for wavelength conversion and white light emitting device using the same The present invention provides a phosphor blend for wavelength conversion and a white light emitting device using the phosphor blend. Further disclosed is a white light emitting phosphor blend comprising 0.5˜18 wt % of A5(PO4)3Cl:Eu... | 02/19/2008 |
| 7327408 | Illuminator that generates linearly polarized light for microdisplay based light engine A hollow sphere with a scattering (e.g., white diffusive) interior surface directs light input from at least one input light source to an exit. In one embodiment, an internal hot mirror and phosphor are positioned to intercept the input light on which visible light ... | 02/05/2008 |
| 7323877 | Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps Apparatus and methods are disclosed for measuring cathode fall within a fluorescent lamp that contains an electrode and a gas. A level of cathode fall associated with the electrode may be identified based on an intensity and wavelength of radiation emitted by the ga... | 01/29/2008 |
| 7321191 | Phosphor blends for green traffic signals There is provided a blue-green illumination system, including a semiconductor light emitter, and a luminescent material, wherein the system has an emission with CIE color coordinates located within an area of a of a pentagon on a CIE chromaticity diagram, whose corn... | 01/22/2008 |
| 7319289 | Light emitting device A light emitting device has a light emitting element, and a phosphor layer of phosphor glass to generate fluorescence while being excited by light emitted from the light emitting element. The light emitting element emits ultraviolet light, and the phosphor glass gen... | 01/15/2008 |
| 7316790 | Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same. The powders have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention permits the continuous prod... | 01/08/2008 |
| 7300605 | Phosphor and device using the same A phosphor having a magnetoplumbite-type crystal structure and comprising at least one element selected from B, Si, P, Ge, Ti, V, Ni, Ta, Nb, Mo, W, Yb, Tm and Bi. ... | 11/27/2007 |
| 7298077 | Device for generating UV radiation A device for generating ultraviolet radiation by an excimer discharge is equipped with an at least partly UV-transparent discharge vessel whose discharge space is filled with a gas filling. The device includes electrodes for triggering and maintaining the excimer di... | 11/20/2007 |
| 7287287 | Shower device with tanning device and method for use thereof The present invention relates to a shower device which is combined with a tanning device, comprising: one or more walls; water supply means which are arranged on one of the 5 walls; and a tanning device which is arranged in a wall and comprises at least one UV lamp,... | 10/30/2007 |
| 7288889 | Ba-based blue phosphor material provided with a particle surface coating and plasma display panel using the same A phosphor in which water adsorption onto the surface of a blue phosphor is inhibited, luminance degradation and chromaticity shift of the phosphor is decreased, or discharge characteristics thereof is improved, and a plasma display device using the phosphor. In pho... | 10/30/2007 |
| 7288107 | Tanning device A tanning device is described by which the bluish light emitted by mercury vapor lamps is converted into yellow or white light. For this purpose, the mercury lamps, or the sheets of transparent plastics material covering these lamps, are doped or coated with one or ... | 10/30/2007 |
| 7282848 | Fluorescent lamp having phosphor layer that is substantially free from calcium carbonate A mercury vapor discharge fluorescent lamp is provided having a phosphor layer that has a yttria-based red emitting rare earth phosphor. The phosphor layer is prepared from an aqueous phosphor slurry that is coated onto the inner surface of the glass envelope of the... | 10/16/2007 |
| 7270793 | Process for producing a phosphate of the lanthanoids, and phosphate produced thereby A process for producing a phosphate of the lanthanoids is described. The process is based on a two-jet precipitation, starting from separate reservoirs of a rare earth salt solution and a phosphate solution which are introduced simultaneously by separate feedlines i... | 09/18/2007 |
| 7270773 | Quantum-splitting fluoride-based phosphors, method of producing, and radiation sources incorporating same A quantum-splitting fluoride-based phosphor comprises gadolinium, at least a first alkali metal, and a rare-earth metal activator. The phosphor is made in a solid-state method without using HF gas. The phosphor can be used alone or in conjunction with other phosphor... | 09/18/2007 |
| 7268370 | Phosphor, semiconductor light emitting device, and fabrication method thereof A phosphor that emits white light due to excitation by a light emitting diode capable of emitting blue or ultraviolet light includes: a substrate that allows transmission of visible light; and a semiconductor layer formed on the substrate. ... | 09/11/2007 |
| 7265488 | Light source with wavelength converting material A light emitting device in which a primary light generator, such as a light emitting diode (LED) or laser diode, is operable to emit a primary light that is received by a body of wavelength converting material. A portion of the primary light is absorbed by the body ... | 09/04/2007 |
