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Class Information
Number: 345/209
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Display driving control circuitry > Waveform generator coupled to display elements > Field period polarity reversal
Description: Subject matter in which the waveforms applied to the display elements* are alternatively supplied in a positive and negative manner.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
5751266 Co-ordinate addressing of liquid crystal cells May. 12, 1998
5724057 Method and apparatus for driving a liquid crystal display Mar. 3, 1998
5719589 Organic light emitting diode array drive apparatus Feb. 17, 1998
5691739 Driving device for a liquid crystal display which uses compensating pulses to correct for irregularities in brightness due to cross talk Nov. 25, 1997
5675353 Method and apparatus for driving a liquid crystal panel Oct. 7, 1997
5666132 Liquid crystal display Sep. 9, 1997
5654733 Liquid crystal electrooptical device Aug. 5, 1997
5648793 Driving system for active matrix liquid crystal display Jul. 15, 1997
5646641 Image display apparatus Jul. 8, 1997
5642126 Driving circuit for driving a display apparatus and a method for the same Jun. 24, 1997
5640174 Method of driving an active matrix liquid crystal display panel with asymmetric signals Jun. 17, 1997
5627556 Circuit for driving alternating current thin film electroluminescence device using relative potential difference May. 6, 1997
5625387 Gray voltage generator for liquid crystal display capable of controlling a viewing angle Apr. 29, 1997
5576728 Driving method for an electrooptical device Nov. 19, 1996
5565883 Active matrix liquid crystal display unit capable of suppressing flicker and cross talk Oct. 15, 1996
5517207 Method and a system for driving a display panel of matrix type May. 14, 1996
5430460 Method and apparatus for driving liquid crystal display unit Jul. 4, 1995
5416494 Electroluminescent display May. 16, 1995
5270697 Display apparatus Dec. 14, 1993
5206631 Method and apparatus for driving a capacitive flat matrix display panel Apr. 27, 1993
5184118 Liquid crystal display apparatus and method of driving same Feb. 2, 1993
5182549 Liquid crystal apparatus Jan. 26, 1993
5151690 Method and apparatus for driving a liquid crystal display panel Sep. 29, 1992
5122790 Liquid crystal projection apparatus and driving method thereof Jun. 16, 1992
5119085 Driving method for a liquid crystal panel Jun. 2, 1992
5093655 Liquid-crystal display apparatus Mar. 3, 1992
5034735 Driving apparatus Jul. 23, 1991
5006838 Thin film EL display panel drive circuit Apr. 9, 1991
4999618 Driving method of thin film EL display unit and driving circuit thereof Mar. 12, 1991
4982183 Alternate polarity symmetric drive for scanning electrodes in a split-screen AC TFEL display device Jan. 1, 1991
4975691 Scan inversion symmetric drive Dec. 4, 1990
4962374 Thin film el display panel drive circuit Oct. 9, 1990
4945352 Active matrix display device of the nonlinear two-terminal type Jul. 31, 1990
4935671 Thin-film EL display panel drive Jun. 19, 1990
4926168 Liquid crystal display device having a randomly determined polarity reversal frequency May. 15, 1990
4914353 Thin-film EL display panel drive circuit Apr. 3, 1990
4893060 Drive circuit for a thin-film electroluminescent display panel Jan. 9, 1990
4893117 Liquid crystal driving systems Jan. 9, 1990
4888523 Driving circuit of thin membrane EL display apparatus Dec. 19, 1989
4866348 Drive system for a thin-film el panel Sep. 12, 1989
4807974 Liquid crystal display having a decoder between a driver and scan electrodes Feb. 28, 1989
4801933 Liquid crystal matrix device having separate driving circuits with diverse driving voltages Jan. 31, 1989
4783653 Low drive voltage display device Nov. 8, 1988
4734692 Driver circuit for liquid crystal display Mar. 29, 1988
4660030 Liquid crystal video display device Apr. 21, 1987
4656470 Timesharing driver for liquid crystal display device Apr. 7, 1987
4591847 Method and apparatus for gas display panel May. 27, 1986
4571585 Matrix addressing of cholesteric liquid crystal display Feb. 18, 1986
4527863 Electronic displays Jul. 9, 1985
4528562 Co-ordinate addressing of smectic display cells Jul. 9, 1985

1 2 3 4 5 6 7 8 9










 
 
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