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Inventor:
Ito; Akihiko
Address:
Suwa, JP
No. of patents:
20
Patents:












Patent Number Title Of Patent Date Issued
7138972 Liquid crystal element drive method, drive circuit, and display apparatus November 21, 2006
A multiplex driving method and driving apparatus are provided for a liquid crystal display device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrodes arranged on the othe
7095397 Drive method, a drive circuit and a display device for liquid crystal cells August 22, 2006
A multiplex driving method is provided for a liquid crystal cell device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrodes arranged on the other substrate. The metho
6989824 Driving method for driving electro-optical device, driving circuit, electro-optical device, and January 24, 2006
A signal applied to a data line is binarized to provide a high-quality gray scale presentation. To provide eight gray scales, for example, one field is divided into seven subfields in accordance with gray scale characteristics of an electro-optical device. Pixels are turned on or off
6806858 Electro-optical apparatus and method of driving electro-optical material, driving circuit theref October 19, 2004
In accordance with the invention, signal electrode voltages are generated based on a plurality of scanning pattern sets. A storage circuit stores a display pattern and scanning patterns belonging to a first scanning pattern set PA in association with selection data Ds. A data control uni
6611246 Liquid crystal element drive method, drive circuit, and display apparatus August 26, 2003
A multiplex driving method and driving apparatus are provided for a liquid crystal display device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrodes arranged on the othe
6496174 Method of driving display device, display device and electronic apparatus December 17, 2002
A driving method of a display device in which the number of voltage levels of scanning lines during a non-selection period is only one, and the voltage level of a data line corresponding to a display element that present no image is set to the voltage level of the scanning lines during
6483497 Matrix display with signal electrode drive having memory November 19, 2002
A matrix display apparatus is provided for displaying an image in accordance with display data. The display matrix comprises a plurality of scanning electrodes and a plurality of signal electrodes arranged in a matrix. A first driving circuit applies a plurality of selection voltages
6452578 Liquid crystal element drive method, drive circuit, and display apparatus September 17, 2002
A multiplex driving method and driving apparatus are provided for a liquid crystal display device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrodes arranged on the othe
6421040 Drive method, a drive circuit and a display device for liquid crystal cells July 16, 2002
A multiplex driving method is provided for a liquid crystal cell device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrodes arranged on the other substrate. The method
6262704 Method of driving display device, display device and electronic apparatus July 17, 2001
A driving method of a display device in which the number of voltage levels of scanning lines during a non-selection period is only one, and the voltage level of a data line corresponding to a display element that presents no image is set to the voltage level of the scanning lines during
6252573 Drive method, a drive circuit and a display device for liquid crystal cells June 26, 2001
A multiplex driving method is provided for a liquid crystal cell device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrodes arranged on the other substrate. The method
6252572 Display device, display device drive method, and electronic instrument June 26, 2001
A display device is provided having M data lines and N scanning lines arranged in a matrix and forming a plurality of display elements disposed at intersections of the M data and N scanning lines, wherein N and M are each integers greater than 1, for displaying an image. A scanning line
6208323 Drive method, a drive circuit and a display device for liquid crystal cells March 27, 2001
A multiplex driving method is provided for a liquid crystal cell device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrodes arranged on the other substrate. The method
6172662 Method of driving liquid crystal display device, a liquid crystal display, electronic equipment January 9, 2001
The present invention: (1) divides a selection period into a plurality of sub-selection periods (t11, t21, t31, t41), and distributes these sub-selection periods throughout the period in one frame; (2) further divides a sub-selection period into a plurality of divided sub-selection p
6084563 Drive method, a drive circuit and a display device for liquid crystal cells July 4, 2000
A multiplex driving method is provided for a liquid crystal cell device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrodes arranged on the other substrate. The method
5963189 Drive method, a drive circuit and a display device for liquid crystal cells October 5, 1999
A multiplex driving method is provided for a liquid crystal cell device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrodes arranged on the other substrate. The method
5959603 Liquid crystal element drive method, drive circuit, and display apparatus September 28, 1999
A multiplex driving method and driving apparatus are provided for a liquid crystal display device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrodes arranged on the othe
5900856 Matrix display apparatus, matrix display control apparatus, and matrix display drive apparatus May 4, 1999
A matrix display apparatus is provided for displaying an image in accordance with display data. The display matrix comprises a plurality of scanning electrodes and a plurality of signal electrodes arranged in a matrix. A first driving circuit applies a plurality of selection voltages
5877738 Liquid crystal element drive method, drive circuit, and display apparatus March 2, 1999
A multiplex driving method and driving apparatus are provided for a liquid crystal display device having a liquid crystal layer disposed between a pair of substrates, a plurality of row electrodes arranged on one of the substrates and a plurality of column electrodes arranged on the othe
4850676 Method for driving a liquid crystal element July 25, 1989
A method and circuits for multiplex driving of a liquid crystal element employing a ferroelectric liquid crystal therein. The method includes the step of applying a voltage pulse having an amplitude and a pulse width which exceeds a saturation voltage during a first half of a selecting t










 
 
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