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Class Information
Number: 349/24
Name: Liquid crystal cells, elements and systems > Particular excitation of liquid crystal > Optical excitation
Description: Subject matter wherein the liquid crystal material exhibits an optical property change across the liquid crystal in response to the nonthermal application of light to corresponding areas of the liquid crystal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7564508 |
Light path shift device and image display device |
Jul. 21, 2009 |
| 7550181 |
Information recording medium |
Jun. 23, 2009 |
| 7508468 |
Method of manufacturing liquid crystal display device and the liquid crystal display device |
Mar. 24, 2009 |
| 7385655 |
Electronic circuit device with optical sensors and optical shutters at specific locations |
Jun. 10, 2008 |
| 7298429 |
Photoinduced switching liquid crystal device utilizing photoisomerization |
Nov. 20, 2007 |
| 7279730 |
Light sensing element, array substrate having the same and liquid crystal display apparatus having the same |
Oct. 9, 2007 |
| 7274427 |
Method of producing optical element by patterning liquid crystal films |
Sep. 25, 2007 |
| 7253847 |
Light adjuster and laminated glass |
Aug. 7, 2007 |
| 7131584 |
Apparatus and means for updating a memory display |
Nov. 7, 2006 |
| 7072108 |
Enhanced contrast projection screen |
Jul. 4, 2006 |
| 7053967 |
Light sensitive display |
May. 30, 2006 |
| 7009663 |
Integrated optical light sensitive active matrix liquid crystal display |
Mar. 7, 2006 |
| 7006165 |
Bistable liquid crystal devices |
Feb. 28, 2006 |
| 6902687 |
OPTICALLY ACTIVE ISOSORBIDE DERIVATIVE AND OPTICALLY ACTIVE ISOMANNIDE DERIVATIVE, PRODUCTION METHODS THEREOF, PHOTO-REACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FIL |
Jun. 7, 2005 |
| 6760135 |
Holographic displays |
Jul. 6, 2004 |
| 6753990 |
Holographic displays |
Jun. 22, 2004 |
| 6721019 |
Screen input type display device |
Apr. 13, 2004 |
| 6525879 |
Optical filtering apparatus and method |
Feb. 25, 2003 |
| 6496239 |
Optical component for producing linearly polarized light |
Dec. 17, 2002 |
| 6310665 |
Liquid crystal display apparatus and optical addressing device |
Oct. 30, 2001 |
| 6023307 |
Liquid crystal display with photo conversion elements on a black matrix between color filter plates |
Feb. 8, 2000 |
| 5990853 |
Projection type image displaying apparatus |
Nov. 23, 1999 |
| 5953082 |
Electro-optical active masking filter using see through liquid crystal driven by voltage divider photosensor |
Sep. 14, 1999 |
| 5612798 |
Optically addressed liquid crystal display device having a matrix array of photocells |
Mar. 18, 1997 |
| 5510665 |
Optoelectronic active circuit element |
Apr. 23, 1996 |
| 5483263 |
Electro-optic device |
Jan. 9, 1996 |
| 5477350 |
Interferometric spatial switch for polarized or unpolarized light using liquid crystal |
Dec. 19, 1995 |
| 5430462 |
Image input device-integrated type display device |
Jul. 4, 1995 |
| 5398082 |
Scanned illumination for light valve video projectors |
Mar. 14, 1995 |
| 5381251 |
Optical switch element and a liquid crystal light directional coupler used in the optical switch element |
Jan. 10, 1995 |
| 5307186 |
Liquid crystal light valve having capability of providing high-contrast image |
Apr. 26, 1994 |
| 5301048 |
Active matrix display device with Schottky contact switching elements |
Apr. 5, 1994 |
| 5237314 |
Addressing a matrix device using electro-optical switching |
Aug. 17, 1993 |
| 5209955 |
Photoconductive polymer based spatial light modulator |
May. 11, 1993 |
| 5168382 |
Optically addressed liquid crystal light valve and optical logic device using the same |
Dec. 1, 1992 |
| 5151688 |
Input/output display panel with light pen |
Sep. 29, 1992 |
| 5073294 |
Process of preparing compositions having multiple oriented mesogens |
Dec. 17, 1991 |
| 5064275 |
Liquid crystal display device having optically activatable switch means |
Nov. 12, 1991 |
| 5057827 |
Means and method for producing an optical illusion |
Oct. 15, 1991 |
| 5051570 |
Liquid crystal light valve showing an improved display contrast |
Sep. 24, 1991 |
| 5020881 |
Light modulating device with optical switching unit of laminated insulating and conductive layers |
Jun. 4, 1991 |
| 4974941 |
Process of aligning and realigning liquid crystal media |
Dec. 4, 1990 |
| 4974942 |
Active flat-design video screen |
Dec. 4, 1990 |
| 4952031 |
Liquid crystal display device |
Aug. 28, 1990 |
| 4943143 |
Display panel |
Jul. 24, 1990 |
| 4934782 |
Optical thresholding apparatus and method |
Jun. 19, 1990 |
| 4915486 |
Display panel for image presentation and/or recording |
Apr. 10, 1990 |
| 4908876 |
Apparatus and method for enhancement of image viewing by modulated illumination of a transparency |
Mar. 13, 1990 |
| 4884875 |
Liquid crystal light valve showing an improved display contrast |
Dec. 5, 1989 |
| 4850682 |
Diffraction grating structures |
Jul. 25, 1989 |
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