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Class 345/79 - Field period polarity reversal


Subclass of Class 345 - Computer graphics processing and selective visual display systems
Definition: Subject matter in which the selective electrical control
No. of patents: 93
Last issue date: 07/05/2011


1      
NumberTitleIssue Date
7973747Display and display driving method
There is provided a display device: a display unit including a plurality of scan electrodes arranged to extend in parallel to each other along a first direction, a plurality of data electrodes arranged to extend in parallel to each other along a second direction cro...
07/05/2011
7956828Organic electroluminescence display device and method for driving the same
In an organic electroluminescence display device (30) comprising an organic EL element (26) having a structure wherein an organic luminescent medium (24) is sandwiched between a top electrode (20) and a bottom electrode (22), and a...
06/07/2011
7616178Driving device and driving method for a light emitting device, and a display panel and display device having the driving device
A driving device and driving method for a light emitting device, and a display panel and display having the driving device are provided. In a display device having a light emitting diode, first and second driving parts are connected to the light emitting diode. A fi...
11/10/2009
7432886Organic electroluminescent (EL) display device and method for driving the same
An organic EL display device for compensating for a reduction of the voltage between the gate and source of a driving transistor occurring due to a voltage drop of the source voltage caused by the resistance component of a power source line, and a method for driving...
10/07/2008
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
7406021Electroluminescent multilayer optical information storage medium with integrated readout and composition of matter for use therein
An optical information storage medium has multiple information layers. On each layer, information is stored in the form of an electroluminescent material. The pits are organized into regions called pages. A specific page on a specific layer can be addressed through ...
07/29/2008
7403179Electro-optical device
An electro-optical device having a plurality of pixels including a plurality of EL elements, wherein the electro-optical device provides a gray scale display by controlling a period of time at which the plurality of the EL elements emit light in one frame period; th...
07/22/2008
7385573Display device and driving method thereof
It is provided a display device that prevents, when applying a reverse bias, an anode line and a power supply line included in a signal line driver circuit from being short-circuited, and a driving method thereof. According to the invention, a reverse bias applying ...
06/10/2008
7369124Display device and method for driving the same
A liquid crystal panel (500) is provided with a connection switching circuit (502) for connecting a video signal line driving circuit (300) to a plurality of video signal lines (Ls). The connection switching circuit (502) includes analog ...
05/06/2008
7358935Display device of digital drive type
The invention provides an organic LED display device of the digital drive type which has a display panel comprising a plurality of pixels 51. Each of the pixels 51 comprises an organic EL element 50, a drive transistor TR2 for effecting o...
04/15/2008
7339559Color electroluminescence display device
An electroluminescence display device is provided in which a plurality of pixels are arranged in row and column directions, including: a gate line extending in the row direction; a first thin film transistor whose gate is connected to the gate line; a drain line ext...
03/04/2008
7315131Color electroluminescence display device
A part of a capacitor is disposed in the horizontal direction of a luminescent region so as to secure a gap in the horizontal direction of the luminescent region. As the distance between adjoining pixels in the horizontal direction is thus secured, color mixing is u...
01/01/2008
7286102Method and apparatus for driving plasma display panel
The present invention relates to a method and apparatus for driving a plasma display panel that can be driven at a low voltage and prevent undesired discharge from being generated under high temperature environment. A method and apparatus for driving a plasma...
10/23/2007
7230614Circuit for driving display
The present invention relates to a display, and more particularly, to circuit for driving a display of a low power consumption. For the purpose, the circuit includes a light emitting display of current driven type having a plurality of column electrode lines arrange...
06/12/2007
7230590Method and apparatus for driving display panel using pulse width modulation
A method for driving a display panel is disclosed to form a desired waveform in driving a pulse width modulation (PWM) mode for adjusting a gray scale level. The method for driving a display panel includes the steps of turning off a plurality of signals respectively...
06/12/2007
7218295Driving method for active matrix OLED display
A driving method for an active matrix OLED display. In the driving method, a first current is provided to flow through an OLED of a pixel in a first period of one display period, according to a video signal on the data electrode and a scan signal on the scan electro...
05/15/2007
7215304Display apparatus in which characteristics of a plurality of transistors are made to differ from one another
A characteristic of a driving transistor which drives a diode is made to differ in terms of current driving capability from that of a switching transistor. The current driving capability of the driving transistor is made lower than that of the switching transistor.
05/08/2007
7202844Liquid crystal display controller and liquid crystal display
In a liquid crystal display controller, a digital image input signal is input to the controller for data-processing and output to a liquid crystal driver which drives a liquid crystal panel which can be normally white or normally black. The liquid crystal display co...
04/10/2007
7176912Image display apparatus with driving modes and method of driving the same
An image display apparatus includes an image display section in which a plurality of light emitting elements are arranged in a matrix at intersections of a plurality of scan lines and a plurality of data lines. A control circuit selects one of modes as an operation ...
02/13/2007
7158109Active matrix display
An active matrix display comprises an active matrix array of pixels divided into first and second sets, the pixels 35 of the first set are refreshed in the conventional active matrix way by a first refreshing arrangement M1, 6, 7. Pixels 36 for ...
01/02/2007
7151513Method of driving display device
A driving method is used for driving the voltage-driven circuit of an organic light emitting diode display device. Within a frame period, data voltage is set to a negative data voltage for a pre-defined interval within a frame period. When the scanning voltage is se...
12/19/2006
7119770Driving apparatus of electroluminescent display device and driving method thereof
A driving apparatus of an electroluminescent display device includes: a scan driving unit for receiving a voltage from a single voltage source and sequentially supplying a scan pulse of which polarity is reversed by the frame unit to scan lines; and a data driving u...
10/10/2006
7116628Electroluminescent multilayer optical information storage medium with integrated readout and composition of matter for use therein
An optical information storage medium has multiple information layers. On each layer, information is stored in the form of an electroluminescent material. The pits are organized into regions called pages. A specific page on a specific layer can be addressed through ...
10/03/2006
7109965Apparatus and method for eliminating residual image in a liquid crystal display device
A residual image eliminating apparatus and method for a liquid crystal display device is adaptive for eliminating residual images emerging on a screen after power-off due to electric charges accumulated in pixel cells. In the apparatus, upon power-on, a first voltag...
09/19/2006
7106318Low power LCD driving scheme employing two or more power supplies
Two separate power supplies are employed to generate electrical potentials for driving row and column electrodes of LCDs. One or more energy storage devices are preferably used together with the two power supplies for generating such potentials. In the first phase, ...
09/12/2006
7102597Driver device for driving capacitive light emitting elements
A device for driving capacitive light emitting elements includes a plurality of electrical charge recovery switches that send a current corresponding with an electrical charge, which has accumulated in a capacitor, individually to a plurality of drive electrodes con...
09/05/2006
7083284Method and apparatus for sequencing light emitting devices in projection systems
Embodiments of the present invention include an apparatus, method and system relating to a projection illumination source pulsing one or more light emitting devices a plurality of times per frame. ...
08/01/2006
7075528Display panel drive circuit and plasma display
A display panel drive circuit having a plurality of first and second electrodes for connecting to a display panel, a first drive circuit for driving the first electrodes, and a second drive circuit for driving the second electrodes. The second drive circuit is conne...
07/11/2006
7068265Scan structure in display device, method for driving the display device, and method for manufacturing the same
A scan structure of a display device, a method for driving the display device, and a method for manufacturing the same is disclosed, which is for physically decreasing a duty in half, maintaining uniform picture quality. In the display device having a plurality of d...
06/27/2006
7050029LCD driving system with low power requirements
Two separate power supplies are employed to generate electrical potentials for driving row and column electrodes of LCDs. One or more energy storage devices are preferably used together with the two power supplies for generating such potentials. In the first phase, ...
05/23/2006
7042429Display device and method of driving same
A display device has a matrix array of pixels, each provided with a switching element operated by a scanning signal and a pixel electrode supplied with a video signal via the switching element. A method of driving a display device includes selecting of a row of pixe...
05/09/2006
7034452Dual-type organic electroluminescence display and manufacturing method thereof
A dual-type organic EL display including: a main organic EL device including a main substrate, strip-shaped main substrate scan lines, a main substrate organic light-emitting portion, and main substrate data lines formed on the main substrate; a sub organic EL devic...
04/25/2006
7023141Light emitting device and drive method thereof
The reliability of an EL element is enhanced while the increase of the electric power consumption is suppressed. It becomes possible that in a SES drive, the reverse bias is applied to the EL element driven at a constant electric current. Moreover, the application o...
04/04/2006
7012587Matrix display device, matrix display driving method, and matrix display driver circuit
A display device comprises a plurality of first to fourth switching elements. On the basis of control signals from the drive control circuit, the common line is brought to the selected state when the common line is connected to the low-voltage portion for common lin...
03/14/2006
6922182Display device drive circuit
A display device drive circuit that enables high-precision fine-tuning of the drive currents. In this drive circuit, a plurality of current supply transistors are connected in parallel to each data line. A switching transistor is connected in series with each curren...
07/26/2005
6836265Liquid crystal display panel and associated method for driving
A method of driving a liquid crystal display panel that is adaptive for providing the entire panel with a brightness uniformity. In the method, the scanning direction of the panel is inverted at a desired period, for example, every frame, or within a frame. Accordin...
12/28/2004
6819649Electroluminescent multilayer optical information storage medium with integrated readout and compositions of matter for use therein
An optical information storage medium has multiple information layers. On each layer, information is stored in the form of an electroluminescent material. The pits are organized into regions called pages. A specific page on a specific layer can be addressed through ...
11/16/2004
6784861Liquid-crystal display device and method of signal transmission thereof
A LCD device has a decreased number of required transmission lines. The first interface circuit, which is provided in the controller circuit, receives the polarization reverse signal and the horizontal scanning signal in parallel in such a way that the polarization ...
08/31/2004
6760004Display device
A signal line driving circuit which includes a digital signal sampling circuit, a storage circuit, a time setting circuit and a constant current circuit, is fabricated of TFTs on an insulating substrate which is made of the same substance as that of a pixel portion ...
07/06/2004
6756742Driving device and method for a flat panel display
A driving method for a flat panel display. First, an image signal is transformed to frame data. Next, characteristic data for the frame data is obtained. Next, a scanning order of the first electrodes is determining according to the characteristic data. Next, scanni...
06/29/2004
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