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Class Information
Number: 349/37
Name: Liquid crystal cells, elements and systems > Particular excitation of liquid crystal > Electrical excitation of liquid crystal (i.e., particular voltage pulses, ac vs. dc, threshold voltages, etc.) > Polarity based driving
Description: Subject matter wherein the liquid crystal state is determined by the polarity of the voltage applied to the liquid crystal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623107 |
Display devices and driving method therefor |
Nov. 24, 2009 |
| 7593069 |
Liquid crystal display and method for driving same |
Sep. 22, 2009 |
| 7564510 |
Liquid crystal display device and method for driving the same |
Jul. 21, 2009 |
| 7554616 |
Electro-optical device and method of driving the same |
Jun. 30, 2009 |
| 7499115 |
Display and its driving method |
Mar. 3, 2009 |
| 7440039 |
Active element substrate with simplified signal line arrangement having active elements and pixel electrodes and liquid crystal display device using the same |
Oct. 21, 2008 |
| 7417215 |
Fabrication method and test method for light emitting display |
Aug. 26, 2008 |
| 7333098 |
Active matrix display apparatus and method for improved uniformity |
Feb. 19, 2008 |
| 7264851 |
Bistable nematic liquid crystal display device |
Sep. 4, 2007 |
| 7075593 |
Electron-beam-addressed active-matrix spatial light modulator |
Jul. 11, 2006 |
| 6975297 |
Liquid-crystal display driving method using asymmetric driving voltage |
Dec. 13, 2005 |
| 6933916 |
Liquid crystal display and its driving method |
Aug. 23, 2005 |
| 6853436 |
Method and apparatus for driving ferroelectric LCD and aligning method under electric field applied thereto |
Feb. 8, 2005 |
| 6819310 |
Active matrix addressed bistable reflective cholesteric displays |
Nov. 16, 2004 |
| 6801264 |
Liquid crystal display device |
Oct. 5, 2004 |
| 6781655 |
Active-matrix liquid crystal display with line/column inversion drives, and associated electronic device |
Aug. 24, 2004 |
| 6777973 |
Liquid crystal display device and its testing method |
Aug. 17, 2004 |
| 6741297 |
Control signal part and liquid crystal display including the control signal |
May. 25, 2004 |
| 6717628 |
Liquid crystal display device |
Apr. 6, 2004 |
| 6707524 |
Fringe field switching mode liquid crystal display, and fabrication method therefor |
Mar. 16, 2004 |
| 6636193 |
Liquid crystal device |
Oct. 21, 2003 |
| 6614491 |
Liquid crystal display and method for producing the same |
Sep. 2, 2003 |
| 6396468 |
Liquid crystal display device |
May. 28, 2002 |
| 6344889 |
Liquid crystal display and method of manufacturing the same |
Feb. 5, 2002 |
| 6327014 |
Liquid crystal screen with enlarged viewing angle |
Dec. 4, 2001 |
| 6327008 |
Color liquid crystal display unit |
Dec. 4, 2001 |
| 6323850 |
Driving method for liquid crystal device |
Nov. 27, 2001 |
| RE37333 |
Ferroelectric liquid crystal display device having an A.C. holding voltage |
Aug. 21, 2001 |
| 6246452 |
Liquid crystal, liquid crystal mixture having Tau-V min mode driving with negative or zero temperature dependency |
Jun. 12, 2001 |
| 6215533 |
Ferroelectric liquid crystal driving using square wave and non-square wave signals |
Apr. 10, 2001 |
| 6195137 |
Liquid crystal apparatus |
Feb. 27, 2001 |
| 6163360 |
Liquid crystal display apparatus |
Dec. 19, 2000 |
| 6160535 |
Liquid crystal display devices capable of improved dot-inversion driving and methods of operation thereof |
Dec. 12, 2000 |
| 6067130 |
Ferroelectric liquid crystal composition and liquid crystal display device |
May. 23, 2000 |
| 5999242 |
Addressable matrix array containing electrodes with a variety of resistances for ferroelectric liquid crystal device |
Dec. 7, 1999 |
| 5995181 |
Antiferroelectric liquid crystal with polarizing axes oriented between a molecular axis direction in rightward-tilted antiferroelectric state and a molecular axis direction in leftward-tilted |
Nov. 30, 1999 |
| 5936689 |
Liquid crystal display device |
Aug. 10, 1999 |
| 5936686 |
Active matrix type liquid crystal display |
Aug. 10, 1999 |
| 5886365 |
Liquid crystal display device having a capacitator in the peripheral driving circuit |
Mar. 23, 1999 |
| 5886755 |
Liquid crystal display device |
Mar. 23, 1999 |
| 5847778 |
Video display device |
Dec. 8, 1998 |
| 5781267 |
Anti-ferroelectric liquid crystal with black display in one frame, white in other and ratio giving grey scale |
Jul. 14, 1998 |
| 5734453 |
Electro-optical device and method of driving the same |
Mar. 31, 1998 |
| 5729307 |
Antiferroelectric LCD in which a normal to an antiferroelectric liquid crystal layer is orthogonal to a normal to a second antiferroelectric liquid crystal layer |
Mar. 17, 1998 |
| 5694182 |
Optically addressed spatial light modulating system and method for driving the system |
Dec. 2, 1997 |
| 5691783 |
Liquid crystal display device and method for driving the same |
Nov. 25, 1997 |
| 5648830 |
Liquid crystal device having composition of at least two smectic compounds and one cholesteric compound |
Jul. 15, 1997 |
| 5638195 |
Liquid crystal display device for improved halftone display |
Jun. 10, 1997 |
| 5638196 |
Driving method for optical modulation device |
Jun. 10, 1997 |
| 5604614 |
Liquid crystal device with one liquid crystal showing a cholesteric phase and one showing a chiral smectic phase |
Feb. 18, 1997 |
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