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Class Information
Number: 349/36
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.) > Including diverse driving frequencies
Description: Subject matter wherein the applied voltage has two or more frequencies.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612835 |
Bistable liquid crystal displays and the method for driving the same |
Nov. 3, 2009 |
| 7593069 |
Liquid crystal display and method for driving same |
Sep. 22, 2009 |
| 7446824 |
Liquid crystal display device having control circuit for inserting an elimination signal of 20% or less of the appied maximum voltage in a video signal |
Nov. 4, 2008 |
| 7034853 |
Server apparatus, mobile terminal, contents distribution method, contents reception method, and program product |
Apr. 25, 2006 |
| 7030941 |
Liquid crystal display device |
Apr. 18, 2006 |
| 6992329 |
Multi-domain vertical alignment liquid crystal display |
Jan. 31, 2006 |
| 6972822 |
Field sequential liquid crystal display apparatus using active matrix liquid crystal display device |
Dec. 6, 2005 |
| 6543901 |
Reflective display device |
Apr. 8, 2003 |
| 6366330 |
Cholesteric liquid crystal display that prevents image sticking |
Apr. 2, 2002 |
| 6177914 |
Plasma addressed electro-optical display |
Jan. 23, 2001 |
| 6172720 |
Low viscosity liquid crystal material |
Jan. 9, 2001 |
| 6023312 |
Optical device with memory function employing liquid crystal/orientation-sustaining material composite, and method for using same |
Feb. 8, 2000 |
| 5877826 |
Dual frequency switchable cholesteric liquid crystal light shutter and driving waveform |
Mar. 2, 1999 |
| 5559616 |
Driving method for ferroelectric liquid crystal device with partial erasure and partial writing |
Sep. 24, 1996 |
| 5327229 |
Display device |
Jul. 5, 1994 |
| 5223959 |
Red, blue and green serial encapsulated liquid crystal display and driving method |
Jun. 29, 1993 |
| 5181133 |
Drive method for twisted nematic liquid crystal shutters for stereoscopic and other applications |
Jan. 19, 1993 |
| 5047847 |
Endoscope using liquid crystal devices different in the response frequency in the image forming optical system |
Sep. 10, 1991 |
| 4946260 |
Dual-frequency, dielectric anisotropy liquid crystal optical device |
Aug. 7, 1990 |
| 4836654 |
Drive method for a dual-frequency, dielectric anisotropy liquid crystal optical device |
Jun. 6, 1989 |
| 4775224 |
Liquid crystal optical devices enabling high frequency ac excitation to be employed |
Oct. 4, 1988 |
| 4755812 |
Method of driving a recording apparatus |
Jul. 5, 1988 |
| 4745433 |
Image forming apparatus with a light shutter of the G-H type liquid crystal |
May. 17, 1988 |
| 4729639 |
Dual frequency addressable liquid crystals and methods of use |
Mar. 8, 1988 |
| 4688899 |
Dual-frequency, dielectric anisotropy liquid crystal display |
Aug. 25, 1987 |
| 4641156 |
Recording apparatus with double frequency driven liquid crystal shutter |
Feb. 3, 1987 |
| 4582396 |
Field sequential color display system using optical retardation |
Apr. 15, 1986 |
| 4581608 |
Multi-color liquid crystal display and system |
Apr. 8, 1986 |
| 4566759 |
Laterally fluorinated liquid crystal materials and frequency change devices |
Jan. 28, 1986 |
| 4519936 |
Nematic liquid crystals and method of production |
May. 28, 1985 |
| 4462027 |
System and method for improving the multiplexing capability of a liquid crystal display and providing temperature compensation therefor |
Jul. 24, 1984 |
| 4423927 |
Optical, temporal bandpass filter |
Jan. 3, 1984 |
| 4370647 |
System and method of driving a multiplexed liquid crystal display by varying the frequency of the drive voltage signal |
Jan. 25, 1983 |
| 4368963 |
Multicolor image or picture projecting system using electronically controlled slides |
Jan. 18, 1983 |
| 4328493 |
Liquid crystal color displays |
May. 4, 1982 |
| 4236155 |
Liquid crystal display device |
Nov. 25, 1980 |
| 4231035 |
Liquid crystal display for large time multiplexing factors |
Oct. 28, 1980 |
| 4119558 |
Liquid crystal materials |
Oct. 10, 1978 |
| 4106858 |
Liquid crystal display apparatus |
Aug. 15, 1978 |
| 4048628 |
Method and apparatus for erasing scattering in storage-type liquid crystals by frequency sweeping |
Sep. 13, 1977 |
| 4011008 |
Display device comprising a layer of liquid crystal |
Mar. 8, 1977 |
| 4009934 |
Electro-optic display devices and methods |
Mar. 1, 1977 |
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