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Patent No. 6637829

Decorative Jeweled Wheel Cover

An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.

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Class 315/169.1 - Diverse-type energizing or bias supplies to different electrodes


Subclass of Class 315 - Electric lamp and discharge devices: systems
Definition: Subject matter in which the discharge device is connected
No. of patents: 1464
Last issue date: 04/17/2012


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NumberTitleIssue Date
8159138LED driving topology, light source module based thereon, and digital camera having the same
A LED driving topology includes a LED array and a current source connected in series between two power inputs receiving a positive voltage and a negative voltage respectively. This topology increases the voltage difference across the LED array and hence has the capa...
04/17/2012
8080943Image display apparatus
An image display apparatus of a present invention has a rear plate having a plurality of electron-emitting devices, a face plate having a light-emitting member, a high-voltage power source which applies a high voltage to the light-emitting member, a current detectin...
12/20/2011
8072150Display device
A display device, comprising: an insulating substrate; a light sensor which includes a semiconductor layer disposed in a first region and a sensor input terminal and a sensor output terminal electrically connected with the semiconductor layer, and is formed on the i...
12/06/2011
8044597Drive circuit of fluorescent display
A drive circuit for a fluorescent display that can prevent generation of reactive power in a Zener diode used to generate a cutoff bias voltage. In one embodiment, the drive circuit operates as a single ended primary inductor converter (SEPIC) circuit and includes a...
10/25/2011
8044596Electron emissive element and display element
Electron-emissive drive units of electron-emissive elements capable of being arranged with a smaller pitch. FET and emitter array units exist in matrix element areas partitioned by a control wiring and data wiring. An exemplary unit is composed of four emitter array...
10/25/2011
8022633Display device using electron source elements and method of driving same
In the case where the number of pixels is increased in a display device making use of electron source elements, a period, in which one pixel is caused to continue to emit light, shortened, and so there is caused a need of applying a high voltage between upper and lo...
09/20/2011
8018168Method for driving plasma display panel
Disclosed is a method for driving a plasma display panel in which a plurality of first electrodes and second electrodes are arranged parallel to each other, a plurality of third electrodes are arranged to cross the first and second electrodes, and discharge cells de...
09/13/2011
8018167Method for driving plasma display panel
Disclosed is a method for driving a plasma display panel in which a plurality of first electrodes and second electrodes are arranged parallel to each other, a plurality of third electrodes are arranged to cross the first and second electrodes, and discharge cells de...
09/13/2011
7990068Field emission light emitting device
In accordance with the invention, there are nanoscale electron emitters, field emission light emitting devices, and methods of forming them. The nanoscale electron emitter can include a first electrode electrically connected to a first power supply and a second elec...
08/02/2011
7956545Field emission device
The field emission device includes: a front substrate and a rear substrate which are disposed at a certain distance and opposite to each other; at least one or more cathode electrodes formed on the rear substrate; at least one or more gate electrodes formed to be di...
06/07/2011
7915830Semiconductor device
A light emitting device capable of performing signal electric current write-in operations at high speed and without dispersion in the characteristics of TFTs structuring pixels influencing the brightness of light emitting elements is provided. The gate length L of a...
03/29/2011
7906914Method for driving plasma display panel
Disclosed is a method for driving a plasma display panel in which a plurality of first electrodes and second electrodes are arranged parallel to each other, a plurality of third electrodes are arranged to cross the first and second electrodes, and discharge cells de...
03/15/2011
7902760Electron emission device, and driving method thereof
Provided is a method of driving an electron emission apparatus that drives the apparatus including a plurality of electron emission devices each having an electron supply layer formed of silicon, a silicon-based mixture or a compound thereof, an insulator layer form...
03/08/2011
7888878Display device using electron source elements and method of driving same
In the case where the number of pixels is increased in a display device making use of electron source elements, a period, in which one pixel is caused to continue to emit light, shortened, and so there is caused a need of applying a high voltage between upper and lo...
02/15/2011
7863823Method of improving uniformity of brightness between pixels in electron emission panel
A method of improving uniformity of brightness between pixels in an electron emission panel includes respectively applying a scan driving voltage and a data driving voltage to a scan electrode and a data electrode of each of a plurality of pixels, wherein one of the...
01/04/2011
7863824Light emitting device and production system of the same
To provide a light emitting device without nonuniformity of luminance, a correcting circuit for correcting a video signal supplied to each pixel to a light emitting device. The correcting circuit is stored with data of a dispersion of a characteristic of a driving T...
01/04/2011
7834556Driving method for organic electroluminescence light emitting section
A driving method for an organic electroluminescence light emitting section using a driving circuit, the driving circuit includes a driving transistor, an image signal writing transistor, a light emission control transistor, and a capacitor section. The driving metho...
11/16/2010
7777420Electron emission device
An electron emission device includes a first substrate, a second substrate facing the first substrate, a scan electrode formed on the first substrate and having a width Sv, and a data electrode formed on the first substrate perpendicular to and crossing the scan ele...
08/17/2010
7719201Microdevice, microdevice array, amplifying circuit, memory device, analog switch, and current control unit
A microdevice has an electron emitter including a memory for accumulating electric charges corresponding to an input voltage, for emitting electrons corresponding to the electric charges accumulated in said memory; and an amplifier connected to a power supply and in...
05/18/2010
7710042Plasma display apparatus
A PDP apparatus comprises, in a circuit part, a ramp output device which outputs a ramp wave to electrodes of a PDP. The ramp output device has a ramp generator which generates and outputs a first ramp wave of which inclination is variable, an impedance conversion c...
05/04/2010
7638949Organic electroluminescence device, method for driving thereof, and electronic appliance
An organic electroluminescence device includes: an emissive layer between an anode and a cathode facing each other; an anode buffer layer formed of a conductive material, installed between the anode and the emissive layer; a cathode buffer layer formed of the conduc...
12/29/2009
7576495Plasma display panel
A plasma display panel is disclosed. The plasma display panel includes a front substrate including a first electrode and a second electrode, a rear substrate including a third electrode, and a barrier rib formed between the front and rear substrates. At least one of...
08/18/2009
7495397Drive device for light emitting diode element, light source device, and display
A drive device for a light emitting diode element comprises a light emitting diode element circuit part configured to be formed by connecting at least one light emitting diode element based on a predetermined connection form, a power supply unit configured to genera...
02/24/2009
7486027Organic light emitting diode display device
An organic light emitting diode display device comprising a display panel, a plurality of light emitting diodes arranged on the display panel and having an optical amount varied according to a current amount, a sample/hold unit for supplying a current to the light e...
02/03/2009
7482759Driver circuit for light emitting element
Disclosed is a display driver that includes a first current driver circuit, a second current driver circuit and a reference current source circuit. The first current driver circuit, which has plural current sources the output current values of which are determined b...
01/27/2009
7474060Light source
A light source has a light emission section comprising a two-dimensional array of electron emitters and a drive circuit for applying a drive voltage to each of the electron emitters of the light emission section. The drive circuit applies the drive voltage between u...
01/06/2009
7449838Backlight device and display unit provided with it
A backlight device is configured from a drive unit and a backlight. The backlight includes a first light source group and a second light source group. The drive unit drives one or more fluorescent lamps of the first light source group in response to a first synchron...
11/11/2008
7425801LED driving device for multiple color LED displays
Driving voltages of an LED of each color are stored in applied voltage storage register 11, 12 or 13, and the LED of each color is driven with independent driving voltage, whereby current consumption is reduced. Further, data in applied voltage storage...
09/16/2008
RE40490Method and apparatus for programmable field emission display
A method and apparatus for programmable field emission display comprising an array of cathodoluminescent elements. Each cathodoluminescent element in the array is responsive to separate select signals to cause light to be emitted from said display at a location in t...
09/09/2008
7417379Cold cathode type flat panel display
A cold cathode type flat panel display which is an image display device includes a vacuum panel container composed of a cathode substrate in which plural cold cathode type electron sources are arranged, an anode substrate, plural spacers for supporting the cathode s...
08/26/2008
7417608Organic light emitting diode display and operating method of driving the same
An organic LED (OLED) display device and an operating method of driving the same. In an OLED image display device, one switch transistor is provided in one pixel. For at least a part of an OFF period of time of the switch transistor, the OLED is in the non-light emi...
08/26/2008
7414598Apparatus and method for driving plasma display panel
Disclosed herein are an apparatus for driving a plasma display panel in which the capability to represent the gray scale can be improved, and method thereof. The apparatus includes an inverse gamma control block for performing an inverse gamma correction process on ...
08/19/2008
7408530Apparatus and method of driving a plasma display panel
The present invention relates to to an apparatus for driving a plasma display panel in which an image being full of life is represented through expansion of contrast and the gray level can be expanded, and method for driving the same. According to the present invent...
08/05/2008
7408542Method of generating an address signal in a plasma panel and device for implementing said method
The method of the invention generates an address signal for addressing columns or rows of a PDP. In the case of addressing a column, for example, the method comprises the following steps. For a phase T1, a DC voltage V1 is applied across the ter...
08/05/2008
7408304Apparatus for power circuit of light emitting diode
The invention is set for connecting L.E.D., bridging rectifier and AC/DC power transformer by using series connection method, also the main purpose is for saving energy and reducing the cost of electronic components. The first apparatus is built by first bridge rect...
08/05/2008
7408308LED drive circuit, LED lighting device, and backlight
To realize an LED drive circuit capable of feeding equal currents to parallel-connected LED circuits with a simple arrangement, there are provided a current source generating a temporally altering current and a first smoothing capacitor and a second smoothing capaci...
08/05/2008
7403175Methods and systems for compensating row-to-row brightness variations of a field emission display
Methods for compensating for brightness variations in a field emission device. In one embodiment, a method and system are described for measuring the relative brightness of rows of a field emission display (FED) device, storing information representing the measured ...
07/22/2008
7394195Organic EL display device and substrate for the same
Scanning electrode circuitous wires are disposed in an area in the vicinity of a left side of a rectangular substrate; data electrode connecting wires, which serve to supply a signal to data electrodes from outside an organic EL display device, are disposed between ...
07/01/2008
7394186Display apparatus
A display apparatus is provided. The display apparatus is an assembly of a display panel, a chassis, a circuit board and a board connection member. During operation, the display panel produces an image. The chassis includes a base supporting the display panel at the...
07/01/2008
7385575Method of driving light emitting element array
An exposure system is provided with a light emitting element array formed by a plurality of light emitting elements formed at the intersections of anodes and cathodes arranged in matrix so that a photosensitive material is exposed to an image formed on the light emi...
06/10/2008
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