U.S. patents available from 1976 to present.
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...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!

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Class 313/499 - Semiconductor depletion layer type


Subclass of Class 313 - Electric lamp and discharge devices
Definition: Subject matter in which the solid-state luminescent material
No. of patents: 222
Last issue date: 05/08/2012


1            
NumberTitleIssue Date
8174178Semiconductor device and light-emitting device
The present invention provides a semiconductor device by which a light-emitting device that is unlikely to cause defects such as a short circuit, can be manufactured. One feature of a semiconductor device of the present invention is to include an electrode that serv...
05/08/2012
7683532Semiconductor device and light emitting device
The present invention provides a semiconductor device by which a light-emitting device that is unlikely to cause defects such as a short circuit, can be manufactured. One feature of a semiconductor device of the present invention is to include an electrode that serv...
03/23/2010
7479731Multicolor light-emitting lamp and light source
The present invention provides a technique for fabricating a multicolor light-emitting lamp by using a blue LED having a structure capable of avoiding cumbersome bonding. In particular, the present invention provides a technique for fabricating a multicolor light-em...
01/20/2009
7423372Organic electroluminescence display device having organic passivation layer
An organic electroluminescence display device comprising a wiring region, including a switching thin film transistor and a driving thin film transistor, and an emission region for emitting light. Light emitted from an organic thin film layer is emitted through the w...
09/09/2008
7372198Semiconductor light emitting devices including patternable films comprising transparent silicone and phosphor
Semiconductor light emitting devices include a semiconductor light emitting element having a light emitting surface, and a patternable film including transparent silicone and phosphor on at least a portion of the light emitting surface. The patternable film may be a...
05/13/2008
7365369Nitride 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
7361938Luminescent ceramic for a light emitting device
A semiconductor light emitting device comprising a light emitting layer disposed between an n-type region and a p-type region is combined with a ceramic layer which is disposed in a path of light emitted by the light emitting layer. The ceramic layer is composed of ...
04/22/2008
7352127LED lamp with light-emitting junction arranged in three-dimensional array
In accordance with the present invention, there is provided a lamp including a plurality of semi-conductor light emitting junctions with a common layer of fluorescent material arranged thereover, wherein the junctions are provided in a three-dimensional array. ...
04/01/2008
7347586LED light bulb
A light emitting diode (LED) light bulb including at least one LED mounted in a light bulb in electrical communication with an electrical contact adapted for connection to an electrical power source, and a refractor/reflector positioned in the light bulb to reflect ...
03/25/2008
7345416Patterned light emitting devices
Light-emitting devices, and related components, systems and methods are disclosed. A light-emitting device can include a multi-layer stack of materials including a light-generating region and a first layer supported by the light-generating region. During use of the ...
03/18/2008
7342353Display device with insulation film and conductive layers arranged in periphery of the substrate
The present invention provides a display device which includes signal lines which are formed on an upper surface side of a substrate, an insulation film which is formed such that the film covers the signal lines except for terminal portions of the signal lines, and ...
03/11/2008
7339201Light emitting diode and process for producing the same
A light emitting diode includes a casing having a concave surface, a reflecting surface formed by depositing a metallic layer on a concave surface thereof, and a lead having a light emitting element fitted thereto so as to confront the reflecting surface. A cationic...
03/04/2008
7327078LED illumination device with layered phosphor pattern
A method of applying at least two phosphors to an LED, wherein a first phosphor material having a lower absorption, shorter luminescence decay time, and/or lower thermal quenching than a second phosphor material is positioned closer to the LED than the second phosph...
02/05/2008
7323723Semiconductor light-emitting device using phosphors for performing wavelength conversion
A semiconductor light-emitting device includes substrate (3), a plurality of light-emitting-element-layers (10a, 10b, 10c, . . . ) of semiconductor material formed on the substrate (3) so as to be isolated from...
01/29/2008
7315048Method and apparatus for mixing light emitted by a plurality of solid-state light emitters
In one embodiment, light emitted by a plurality of solid-state light emitters is mixed by mounting the plurality of solid-state light emitters on a transparent to translucent substrate so that they primarily emit light away from the substrate. The light emitters are...
01/01/2008
7304418Light source apparatus with light-emitting chip which generates light and heat
A light source apparatus includes a light emitting chip which generates light and heat when energized via a first electrode and a second electrode, wherein the first electrode is a base on which the light emitting chip is directly packaged. ...
12/04/2007
7301172Sequentially charged nanocrystal light emitting device
A light emitting device including a transistor structure formed on a semiconductor substrate. The transistor structure having a source region, a drain region, a channel region between the source and drain regions, and a gate oxide on the channel region. The light em...
11/27/2007
7301272Lighting device and method for manufacturing the same
A lighting device and a method for manufacturing the same are described. First, a semiconductor layer of a first electrical property, an active layer and a semiconductor layer of a second electrical property are sequentially formed, and part of them are removed to f...
11/27/2007
7301175Light emitting apparatus and method of manufacturing the same
A light emitting apparatus comprising a light emitting device (101) disposed on a supporting body (105), and coating layers ((108, 109) that bind a fluorescent substance that absorbs light emitted by the light emitting device (101) and em...
11/27/2007
7293889LED lamp apparatus
An LED lamp apparatus includes an LED and a light diffuser located on a light emission side of the LED. The light diffuser is made of at least one light transmittable material and has a light diffusing member at a peripheral portion of a light passing area of the LE...
11/13/2007
7294965Color-conversion light-emitting device, method for manufacturing the same, and display using the same
A color-conversion light-emitting device includes a color-conversion layer for converting a wavelength distribution of light, a light-emitting unit formed on the color-conversion layer and having a pair of transparent electrodes and an organic EL light-emitting laye...
11/13/2007
7291856Sensor and methods for measuring select components in moving sheet products
A compact, long lasting sensor for measuring components such as moisture in moving sheets including paper in a papermaking apparatus employs light sources that produce radiation within defined wavelength regions of interest and the light sources are modulated at hig...
11/06/2007
7286637Optical thin film and mirror using the same
To provide an optical thin film structure capable of efficiently dissipating heat in an optical thin film which is generated upon irradiating a surface of an X-ray mirror made up of the optical thin film with an X-ray. The optical thin film having an isotope purity ...
10/23/2007
7279723LED lamp
An LED lamp has a package and a plurality of light emitting elements that are electrically connected to a plurality of electrode plates provided in the package and that are sealed with transparent material. A red light emitting element of the plurality of light emit...
10/09/2007
7255457Methods and apparatus for generating and modulating illumination conditions
Methods and apparatus for generating essentially white light. In one example, a white light generating apparatus comprises at least one first white LED characterized by a first spectrum, and at least one second white LED characterized by a second spectrum, wherein t...
08/14/2007
7244965Power surface mount light emitting die package
A light emitting die package is disclosed. The die package includes a substrate, a reflector plate, and a lens. The substrate may be made from thermally conductive but electrically insulating material or from a material that is both thermally and electrically conduc...
07/17/2007
7239082Illumination device with at least one LED as the light source
The invention relates to a luminescence conversion led based illumination deice that emits primarily radiation in the range of from 370 and 430 nm of the optical spectrum (peak wavelength). Said radiation is converted to radiation having a longer wavelength using th...
07/03/2007
7235920Display device and method of its manufacture
A display device and method for its manufacture. In a display device with a first array of individual display elements and a second array of control transistors for the display elements, control transistors are formed from a semiconductor material with a large band ...
06/26/2007
7235819Semiconductor device having group III nitride buffer layer and growth layers
An epitaxial growth system comprises a housing around an epitaxial growth chamber. A substrate support is located within the growth chamber. A gallium source introduces gallium into the growth chamber and directs the gallium towards the substrate. An activated nitro...
06/26/2007
7235817LED Lamp
According to the present invention, a substrate 11, a cluster of LED chips, which are arranged two-dimensionally on the substrate 11, and a plurality of phosphor resin portions 13a, 13b that cover the respective LED chips ar...
06/26/2007
7230280Collimating light from an LED device
A technique for collimating light from a Light Emitting Diode (LED) device involves emitting light from an LED die, collimating the light with a parabolic reflector, and further collimating the light with a lens. A device constructed according to the technique inclu...
06/12/2007
7223998White, single or multi-color light emitting diodes by recycling guided modes
A white, single or multi-color light emitting diode (LED) includes a mirror for reflecting photons within the LED; a first active region, adjacent the mirror, including one or more current-injected layers for emitting photons when electrically biased in a forward di...
05/29/2007
7224532Optical uses diamondoid-containing materials
Novel optical devices based on diamondoid-containing materials are disclosed. Materials that may be fabricated from diamondoids included diamondoid nucleated CVD films, diamondoid-containing CVD films, molecular crystals, and polymerized materials. Devices that may ...
05/29/2007
7221002Light emitting element, method of manufacturing the same, and semiconductor device having light emitting element
An InGaN active layer is formed on a sapphire substrate. A p-side electrode is formed on the InGaN active layer to supply an electric current to this InGaN active layer. The p-side electrode includes {circle around (1)} an Ni layer for forming an ohmic contact with ...
05/22/2007
7208768Electroluminescent device
A method is provided for forming an electroluminescent device. The method comprises: providing a type IV semiconductor material substrate; forming a p+/n+ junction in the substrate, typically a plurality of interleaved p+/n+ junctions are formed; and, forming an ele...
04/24/2007
7204609Light-emitting diode light source unit
A light-emitting diode light source unit has a printed circuit board mounting a light-emitting diode (LED) element on its surface. Between the LED element surface-mounted on the printed circuit board and a wiring land formed on the printed circuit board, there is su...
04/17/2007
7204050Exit device with lighted touchpad
An exit device includes an electroluminescent exit sign assembly, preferably mounted on a push rail actuator of the exit device. An electroluminescent illuminator, an opaque material and a transparent protective cover form the electroluminescent sign assembly. The p...
04/17/2007
7202598Light-emitting device with coated phosphor
The invention describes a light-emitting device (1) which comprises a light-emitting diode and a phosphor layer. To prolong the useful life of the light-emitting device (1), a phosphor (4) in the phosphor layer (2) has a water-resistant c...
04/10/2007
7196950Non-volatile semiconductor storage device performing ROM read operation upon power-on
A power-on reset circuit has a power-on level detecting circuit which detects a power voltage to output a power-on reset signal and a delay circuit which delays the power-on reset signal output by the power-on level detecting circuit. Two chip address specifying pad...
03/27/2007
7195381Vehicle interior LED lighting system
A vehicle lighting system for a vehicle includes an accessory module assembly that is adapted for attachment to an interior portion of a vehicle and configured to illuminate, for example, an area inside the vehicle. The module assembly includes a single high-intensi...
03/27/2007
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