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Class Information
Number: 345/53
Name: Computer graphics processing, operator interface processing, and selective visual display systems > Plural physical display element control system (e.g., non-crt) > Segmented display elements > Light-controlling display elements > Liquid crystal elements > Specific waveform (e.g., square waveforms, sinusoidal)
Description: Subject matter in which the selective electrical control includes means for selectively supplying particular waveforms to the display elements*.

Sub-classes under this class:

Class Number Class Name Patents
345/54 Field period polarity reversal 52

Patents under this class:
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Patent Number Title Of Patent Date Issued
8669972 Liquid crystal display panel driving method, liquid crystal display device, and liquid crystal display driver including driving and setting a counter electrode for common inversion driving Mar. 11, 2014
8629832 Electrophoretic display device, electronic device, and drive method for an electrophoretic display panel Jan. 14, 2014
8621306 Panel driving circuit that generates panel test pattern and panel test method thereof Dec. 31, 2013
8605021 Display device with charge sharing Dec. 10, 2013
8552930 Liquid crystal display apparatus Oct. 8, 2013
8482503 Liquid crystal display with sequential and reverse sequential scan direction to improve display quality by preventing stains caused by polarization and accumulation of ions, and driving method Jul. 9, 2013
8310475 Display apparatus Nov. 13, 2012
8294652 Liquid crystal display panel, common inversion driving method, liquid crystal display device, and liquid crystal display driver Oct. 23, 2012
8279153 Liquid crystal display to increase display quality by preventing DC image sticking, flicker and stains Oct. 2, 2012
8264423 Method of driving display element Sep. 11, 2012
8063896 Liquid crystal display device, source driver, and method of driving a liquid crystal display panel Nov. 22, 2011
8055968 Panel driving circuit that generates panel test pattern and panel test method thereof Nov. 8, 2011
7954961 Method for driving a high-pressure gas discharge lamp of a projector system Jun. 7, 2011
7864150 Driving method for a liquid crystal display Jan. 4, 2011
7627799 Panel driving circuit that generates panel test pattern and panel test method thereof Dec. 1, 2009
7623126 Method and apparatus for asynchronous display of graphic images Nov. 24, 2009
7359105 Spatial light modulator and a display device Apr. 15, 2008
7307599 Display apparatus Dec. 11, 2007
7298916 Image signal processing apparatus and method Nov. 20, 2007
7209133 Method and apparatus for asynchronous display of graphic images Apr. 24, 2007
7193601 Active matrix liquid crystal display Mar. 20, 2007
7173614 Power supply circuit, display driver, and voltage supply method Feb. 6, 2007
7161572 Liquid crystal display device Jan. 9, 2007
7119779 Display device refresh Oct. 10, 2006
6937212 System and method for driving LCD displays Aug. 30, 2005
6909428 Signal converter device Jun. 21, 2005
6771424 Head-mounted display device Aug. 3, 2004
6741238 Power saving circuit for display panel May. 25, 2004
6693613 Asymmetric liquid crystal actuation system and method Feb. 17, 2004
6683587 Switched mode digital logic method, system and apparatus for directly driving LCD glass Jan. 27, 2004
6661415 Liquid crystal driver and optical head for tilt correction Dec. 9, 2003
6636208 LCD drive circuit Oct. 21, 2003
6556515 Watch with liquid crystal display panel Apr. 29, 2003
6542150 Method and apparatus for asynchronous display of graphic images Apr. 1, 2003
6345174 Display apparatus for a vehicle audio system Feb. 5, 2002
6204831 Liquid crystal display driver Mar. 20, 2001
6201517 Stereoscopic image display apparatus Mar. 13, 2001
6031510 Microcontroller with LCD control over updating of RAM-stored data determines LCD pixel activation Feb. 29, 2000
5949388 Head-mounted video display Sep. 7, 1999
5754152 Drive method and drive unit for a liquid crystal display device reducing variation of applied voltage dependent upon display patterns May. 19, 1998
5726674 Phase modulation technique for driving RMS responding liquid crystal displays Mar. 10, 1998
5471255 Bias drive and noise reduction in image projectors Nov. 28, 1995
5381254 Method for driving optical modulation device Jan. 10, 1995
5043710 Key making use of the properties of a liquid crystal Aug. 27, 1991
4955696 Liquid crystal driving system Sep. 11, 1990
4547773 Character display panels and panel devices Oct. 15, 1985
4527863 Electronic displays Jul. 9, 1985
4465999 Matrix driving method for electro-optical display device Aug. 14, 1984
4385292 Segmented type liquid crystal display and driving method thereof May. 24, 1983
4286266 Display device Aug. 25, 1981

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