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7385575 |
Method 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...
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7385355 |
Display device having a thin film electron source array
The invention provides a display device using thin film type electron sources having a structure that can be formed in a simple manufacturing process. A lower electrode, a protective insulating...
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7372437 |
Drive circuit, display device using the drive circuit and electronic apparatus using the display device
The currents that m pieces of quasi control current output circuits formed with a polycrystalline TFT output have the dispersion. In the present invention, the averaged value of the output currents...
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7372203 |
Plasma display panel having enhanced luminous efficiency
A plasma display panel includes: a front and a rear substrate which face each other and form a discharge space; address electrodes arranged on an upper surface of the rear substrate; a first...
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7368877 |
Light emitting display device and drive control method thereof
A clock signal synchronized with a data write signal for each scan line supplied from a light emission control circuit 4 to a scan driver 6 is supplied to an oscillator 12 generating a...
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7365712 |
Plasma display panel
A plasma display panel including first and second substrates facing one another with a gap therebetween, address electrodes formed on the first substrate along a first direction, barrier ribs...
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7362290 |
Image signal correcting circuit, image processing method, electro-optical device and electronic apparatus
To provide a circuit for preventing degradation of a display quality caused by horizontal crosstalk. An image signal correcting circuit supplies a corrected image signal to a display panel to apply...
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7358940 |
Electro-optical device, circuit for driving electro-optical device, method of driving electro-optical device, and electronic apparatus
There is provided a circuit for driving an electro-optical device having a precharge voltage generating circuit. The precharge voltage generating circuit has a subtracter for obtaining a difference...
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7358936 |
Image display apparatus
An image display apparatus includes a current-controlled light emitting; a transistor which controls a first current flowing through the current-controlled light emitting diode, based on a first...
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7358934 |
Field emission display apparatus with improved white balance
In an FED (Field Emission Display), lowering of a color temperature is suppressed which is caused by that light emission luminance of respective color phosphors is different from each other so as...
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7358531 |
EL display device and electronic device
An EL display device capable of producing a vivid multi-gradation color display, and an electronic device having the EL display device. An electric current supplied to an EL element 110 is...
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7355570 |
Method of expressing gray level of high load image and plasma display panel driving apparatus using the method
In a method of expressing a gray level of a high load image and an apparatus for driving a Plasma Display Panel (PDP) using the method, a load ratio of the input image signal is calculated, and an...
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7355567 |
Plasma display panel driving method, plasma display panel driver circuit, and plasma display device
A driving method and a driver circuit for improving the definition of display image on a plasma display device. In an initial state in an addressing discharge period, a scanning electrode is...
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7348942 |
Electro-optical device, method of driving electro-optical device, and electronic apparatus
To enhance the display characteristics of moving images and enhance the display quality in an electro-optical device using electro-optical elements that emit light with the brightness in accordance...
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7348939 |
Methods and apparatus for driving plasma display panel
It is disclosed that there are a method and an apparatus of driving a plasma display panel that are adaptive for reducing an initialization period. A driving apparatus and a method of a plasma...
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7345667 |
Method 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...
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7345662 |
Apparatus for driving capacitive light emitting elements
An apparatus for driving capacitive light emitting diodes which can be reduced in size. For supplying a capacitive light emitting diode with a driving pulse which varies the voltage with a...
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7338337 |
Aging method of plasma display panel
In the aging process performed by applying a voltage having an alternating voltage component between a scan electrode and a sustain electrode, an erase discharge occurs in succession to an aging...
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7336036 |
Organic electroluminescent display device
The present invention narrows a picture frame size by deciding line widths of respective power source bus lines which supply electricity to organic EL elements of respective colors corresponding to...
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7336035 |
Light emitting device and electronic appliance
The present invention is to provide a light emitting device capable of obtaining a certain luminance without influence by the temperature change, and a driving method thereof. A current mirror...
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7336026 |
High efficiency dielectric electron emitter
An electron emitter has an emitter made of a dielectric material and an upper electrode and a lower electrode for being supplied with a drive voltage for emitting electrons. The upper electrode is...
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7327357 |
Pixel circuit and light emitting display comprising the same
A pixel circuit including a light emitting device; a driving transistor to receive first power and supply current corresponding to voltage applied to a gate electrode thereof to the light emitting...
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7327333 |
Method and apparatus for reducing flicker when displaying pictures on a plasma display panel
A method and apparatus for reducing flicker when displaying pictures on a plasma display panel, based on an input phase alternation line (PAL) video signal of 50 Hz. Video signal data include...
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7327091 |
Light-emitting element driving apparatus
A light-emitting element driving apparatus includes a constant-current circuit and a control circuit. The constant-current circuit includes a plurality of constant-current sources that are...
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7324076 |
Methods and apparatus for setting the color point of an LED light source
In one embodiment, a user-selected color point is received. RGB tristimulus values are then derived for the color point. It is also determined whether the user-selected color point is outside a...
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7324075 |
Pixel circuit and display device
When a switching TFT is switched on, a data voltage on a data line is stored in a storage capacitor as a gate voltage of a driver TFT. In this state, a voltage on a pulse drive line is caused to...
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7321206 |
LED driving apparatus
An apparatus for driving an LED is provided. The driving apparatus may have an LED unit including at least one LED, and a current controlling unit for controlling the magnitude of current flowing...
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7319443 |
Current source circuit, display device using the same and driving method thereof
In a display device having a light emitting element, an accurate setting operation needs much time, unless a current value of the signal current (video signal) is set to high value. On the...
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7319292 |
Plasma display panel and method of driving the same
A plasma display panel is disclosed. More particularly, the present invention relates to a plasma display panel, which can improve discharge stability as well as brightness and efficiency. The...
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7317441 |
Constant current circuit, drive circuit and image display device
A first amplifier circuit ( 132 ) included in a voltage generating circuit ( 114 ) includes a differential circuit formed of P-type TFT elements (P 101 , P 102 ) and N-type TFT elements (N 101 , N...
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7317432 |
Light emitting device and method of driving the same
A method of driving a display device capable of obtaining a luminance of constant level irrespective of temperature change is provided. A change in luminance of an EL element due to temperature...
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7317285 |
Electron emission device having cleaning function
An electron emission device comprising an electron emission element ( 1 ) having a lower electrode ( 2 ), an upper electrode ( 5 ) consisting of a thin film, the surface of the upper electrode ( 5...
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7315139 |
Light source having more than three LEDs in which the color points are maintained using a three channel color sensor
A light source having first, second, and third component light sources that are driven by first, second, and third primary drive circuits is disclosed. Each primary drive circuit provides an...
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7312580 |
Spacer material for flat panel displays
A spacer material is provided for a field emission display ( 10 ) with a cathode plate ( 12 ) having a plurality of electron emitters ( 44 ). An anode plate ( 14 ) is disposed to receive electrons...
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7310076 |
Display apparatus
An display apparatus arranged in a matrix having plural luminance modulation elements for modulating or do not modulating luminance depending upon application of a voltage of positive or reverse...
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7307605 |
Driving circuit of current-driven device, current-driven apparatus, and method of driving the same
A precharge circuit is provided with an N-channel transistor intended for switching. A reference potential is applied to either one of the source and drain of this N-channel transistor. The other...
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7307602 |
Plasma display addressing
There is disclosed the priming or conditioning of an AC gas discharge plasma display panel for improved selective write and selective erase which comprises addressing n number of rows in an order...
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7307383 |
Electron emitter and method of producing the same
An electron emitter includes an emitter section having a plate shape, a cathode electrode formed on a front surface of the emitter section, and an anode electrode formed on a back surface of the...
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7304440 |
Electron-emitting apparatus
An electron emitting apparatus includes a lower electrode, an emitter section made of a dielectric material, a plurality of upper electrodes having micro through holes, and a collector electrode...
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7304436 |
Generator for sustaining pulse of plasma display panel
It is disclosed that there is a sustaining pulse generator of a plasma display panel capable of simplifying a circuit configuration thereof. A sustaining pulse generator of a plasma display panel...
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7301513 |
Display element and display device
A display element is configured as follows in order to prolong the display lifetime of an electro-optical element without inserting a resistance element or lowering the numerical aperture due to a...
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7298350 |
Image forming apparatus
Image data is inputted from a data processing means 123 into storage means 124 so that light emitting elements of one line 128 a of a light-emitting element (yellow) line head 128 are...
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7298074 |
Image display device having a spacer structure for reducing current crowding
An image forming device includes a rear plate having a conductor set to a low voltage, an electron emitter disposed on the rear plate, the electron emitter including the conductor, and a face plate...
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7294970 |
LED driver device
A light emitting diode (LED) driver drives a plurality of LEDs, and includes a plurality of LED drivers with inherent addresses thereof respectively driving the plurality of LEDs; a serial bus...
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7288012 |
Method of manufacturing plasma display panel
A plasma display panel is provided that includes scan electrodes, sustain electrodes, and address electrodes. A first pulse voltage for the address electrodes or a second pulse voltage for the...
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7286259 |
Self-scanned light-emitting device array, its driving method, and driving circuit
A method for driving a self-scanning light-emitting element array is provided in which two light-emitting elements may be illuminated simultaneously in one chip. In a self-scanning light-emitting...
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7285917 |
Connection member and driving device of plasma display panel
A connection member for a flat-panel display is coupled to an electrode terminal part on one side of the panel and an integrated driving circuit on an opposing side of the panel. The connection...
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7282852 |
Electron-emitting device and image forming apparatus
Sandwiched and coupled between the rear and face plates and constituting a vacuum container together with the rear and face plates; a high voltage introducing member for introducing a high voltage...
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7280089 |
Apparatus and method for driving field emission display device
An apparatus and method for driving a field emission display (FED) device are disclosed. By applying a voltage to a specific electrode (data electrode or mesh electrode) of the FED device during a...
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7277071 |
Luminescent display, and driving method and pixel circuit thereof, and display device
In an exemplary embodiment of the present invention, there is provided a pixel circuit for a luminescent display, in which plural pixel circuits are formed in a plurality of pixels defined by a...
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