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Class Information
Number: 349/173
Name: Liquid crystal cells, elements and systems > With specified nonchemical characteristic of liquid crystal material > Within smectic phase > Within chiral smectic phase (includes ferroelectric) > Greyscale resulting from liquid crystal property other than solely smectic a
Description: Subject matter wherein the liquid crystal molecules have more than two positions which can be used to modulate light at different intensities.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7561246 |
Liquid-crystal electro-optical apparatus and method of manufacturing the same |
Jul. 14, 2009 |
| 7259804 |
Method for fabricating touch panel integrated liquid crystal display device |
Aug. 21, 2007 |
| 7123330 |
Liquid crystal panel substrate having alignment film and method for forming alignment film by varied evaporation angle |
Oct. 17, 2006 |
| 6958791 |
Liquid crystal display |
Oct. 25, 2005 |
| 6895163 |
Spread illuminating apparatus with cover provided over transparent substrate |
May. 17, 2005 |
| 6671028 |
Distorted helix ferroelectric liquid crystal cell |
Dec. 30, 2003 |
| 6573879 |
Plasma-addressed liquid crystal display device |
Jun. 3, 2003 |
| 6456357 |
Liquid crystal display device having spontaneous polarization and evaluation method therefor |
Sep. 24, 2002 |
| 6262789 |
Liquid display and method of making same |
Jul. 17, 2001 |
| 6175401 |
Liquid crystal display device having a liquid crystal layer which contains liquid crystal molecules in a plurality of alignment state and method for driving the same |
Jan. 16, 2001 |
| 6147792 |
Light modulating devices |
Nov. 14, 2000 |
| 6128064 |
Liquid crystal device and liquid crystal display apparatus |
Oct. 3, 2000 |
| 6118512 |
Manufacturing method of a liquid crystal display element |
Sep. 12, 2000 |
| 6091478 |
Liquid Crystal Display device using liquid crystal having ferrielectric phase between substrates and method for driving the same |
Jul. 18, 2000 |
| 5943112 |
Liquid crystal display device and its fabricating method |
Aug. 24, 1999 |
| 5895108 |
Antiferroelectric liquid crystal display element and device, and method of driving the same |
Apr. 20, 1999 |
| 5844538 |
Active matrix-type image display apparatus controlling writing of display data with respect to picture elements |
Dec. 1, 1998 |
| 5764328 |
Liquid crystal device with plural ferroelectric or antiferroelectric layer tilt angles per pixel |
Jun. 9, 1998 |
| 5671032 |
Ferroelectric liquid crystal device for gray scale display, gray scale display apparatus and method adopting the same |
Sep. 23, 1997 |
| 5646755 |
Method and apparatus for ferroelectric liquid crystal display having gradational display |
Jul. 8, 1997 |
| 5631752 |
Antiferroelectric liquid crystal display element exhibiting a precursor tilt phenomenon |
May. 20, 1997 |
| 5396352 |
Liquid crystal apparatus with gradation information signals and DC bias |
Mar. 7, 1995 |
| 5379138 |
Bi-stable liquid crystal device and driving method which allows for time variable threshold voltages |
Jan. 3, 1995 |
| 5353140 |
Liquid crystal display |
Oct. 4, 1994 |
| 5353136 |
Ferroelectric liquid crystal with positive dielectric anisotropy, chevron structure and grey scale |
Oct. 4, 1994 |
| 5327272 |
Optical modulation element |
Jul. 5, 1994 |
| 5305127 |
Ferroelectric liquid crystal device with an AC electric field producing a helical structure and/or color control |
Apr. 19, 1994 |
| 5260817 |
Liquid crystal optical device comprising a liquid crystal pixel and a parallel circuit for providing a gradation of display |
Nov. 9, 1993 |
| 5257122 |
Ferroelectric liquid crystal display having gray steps or a continuous gray scale |
Oct. 26, 1993 |
| 5227905 |
Surface stabilized ferroelectric liquid crystal devices |
Jul. 13, 1993 |
| 5221980 |
Method for driving ferroelectric liquid crystal light valve of light writing type |
Jun. 22, 1993 |
| 5214523 |
Ferroelectric liquid crystal display device having monostabilized state as an initial state and continuous gray-scale |
May. 25, 1993 |
| 5196954 |
Liquid crystal display |
Mar. 23, 1993 |
| 5172257 |
Twisted ferroelectric liquid crystal modulator for providing gray scale |
Dec. 15, 1992 |
| 5168381 |
Smectic liquid crystal devices using SSFLC and electroclinic effect based cells |
Dec. 1, 1992 |
| 5151804 |
Ferroelectric liquid crystal display having a spread of angles for grayscale and method of manufacture |
Sep. 29, 1992 |
| 5151803 |
Pixel-gap controlled ferroelectric liquid crystal display device and its driving method |
Sep. 29, 1992 |
| 5126864 |
Ferroelectric liquid crystal panel having a ferroelectric optical compensating liquid crystal cell |
Jun. 30, 1992 |
| 5062691 |
Liquid crystal device with grey scale |
Nov. 5, 1991 |
| 4976515 |
Method of driving a ferroelectric to display device to achieve gray scales |
Dec. 11, 1990 |
| 4941736 |
Ferroelectric liquid crystal device and driving method therefor |
Jul. 17, 1990 |
| 4840462 |
Method of driving a ferroelectric liquid crystal display device and associated display device to achieve gray scale |
Jun. 20, 1989 |
| 4765720 |
Method and apparatus for driving ferroelectric liquid crystal, optical modulation device to achieve gradation |
Aug. 23, 1988 |
| 4655561 |
Method of driving optical modulation device using ferroelectric liquid crystal |
Apr. 7, 1987 |
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