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Class Information
Number: 349/199
Name: Liquid crystal cells, elements and systems > Liquid crystal optical element > Liquid crystal sensors (e.g., voltmeters, pressure sensors, temperature sensors)
Description: Subject matter wherein the liquid crystal cell is used as a measuring device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609360 |
Image display device |
Oct. 27, 2009 |
| 7564504 |
Phase plate and an optical data recording/reproducing device |
Jul. 21, 2009 |
| 7554627 |
Liquid crystal display device |
Jun. 30, 2009 |
| 7525615 |
Integral-type liquid crystal panel with image sensor function and pixel electrode overlapping photoelectric conversion element |
Apr. 28, 2009 |
| 7508483 |
Liquid crystal display device with temperature sensor for controlling heating voltage to conductive black matrix of panel through conductive sealant |
Mar. 24, 2009 |
| 7495714 |
Flat panel display having an isolated EMI layer and integral heater and thermal sensors |
Feb. 24, 2009 |
| 7459124 |
Detecting interactions at biomimetic interfaces with liquid crystals |
Dec. 2, 2008 |
| 7425749 |
MEMS pixel sensor |
Sep. 16, 2008 |
| 7423705 |
Color correction of LCD lighting for ambient illumination |
Sep. 9, 2008 |
| 7345669 |
Photometric device of liquid crystal display and liquid crystal display |
Mar. 18, 2008 |
| 7336338 |
Liquid-crystal indicator of voltage presence |
Feb. 26, 2008 |
| 7333159 |
Liquid crystal display device having function of temperature maintenance |
Feb. 19, 2008 |
| 7265811 |
Integral-type liquid crystal panel with image sensor function |
Sep. 4, 2007 |
| 7229177 |
Restraining temperature rise in light exiting-side polarizer constituting liquid crystal light valve |
Jun. 12, 2007 |
| 7135143 |
Detecting compounds with liquid crystals |
Nov. 14, 2006 |
| 7130013 |
Method of forming a display |
Oct. 31, 2006 |
| 7042548 |
Image sensor having thin film transistor and photoelectric conversion element |
May. 9, 2006 |
| 7012584 |
Organic EL panel drive circuit |
Mar. 14, 2006 |
| 6977712 |
Methods and apparatus for implementing transmissive display devices |
Dec. 20, 2005 |
| 6921892 |
Electrostatic imager |
Jul. 26, 2005 |
| 6897906 |
Rewritable label for recording time information |
May. 24, 2005 |
| 6891194 |
Active matrix substrate, electromagnetic detector, and liquid crystal display apparatus |
May. 10, 2005 |
| 6885412 |
Liquid crystal display device, image shifting device, and image display apparatus |
Apr. 26, 2005 |
| 6864950 |
Electronic device with active matrix type display panel and image sensor function |
Mar. 8, 2005 |
| 6795156 |
Orientation inspector for liquid crystal display (LCD) cell |
Sep. 21, 2004 |
| 6750923 |
Display device |
Jun. 15, 2004 |
| 6726106 |
Power management and device illumination mechanisms for a personal digital assistant |
Apr. 27, 2004 |
| 6690449 |
LCD power loss indication |
Feb. 10, 2004 |
| 6603107 |
Image pickup device and portable telephone |
Aug. 5, 2003 |
| 6570707 |
Touch panel with high operability in low temperature environments |
May. 27, 2003 |
| 6535266 |
Closed loop LCD heater system |
Mar. 18, 2003 |
| 6490020 |
TFTLCD for recycling electrical power |
Dec. 3, 2002 |
| 6466299 |
Mobile station and cover for mobile station having thermochromic liquid crystals |
Oct. 15, 2002 |
| 6462806 |
Electronic device having an active matrix display panel |
Oct. 8, 2002 |
| 6424403 |
Touch sensor display |
Jul. 23, 2002 |
| 6304736 |
LCD with a diffusing sheet having diffusing and absorbing areas |
Oct. 16, 2001 |
| 6243155 |
Electronic display device having an active matrix display panel |
Jun. 5, 2001 |
| 6198523 |
Ferroelectric liquid crystal light doubler with temperature and voltage controlled tilt angle |
Mar. 6, 2001 |
| 6118419 |
Random electrostatic discharge event indicator |
Sep. 12, 2000 |
| 6107998 |
Photovoltaic module with display indicator |
Aug. 22, 2000 |
| 5986629 |
Electrostatic discharge indicator |
Nov. 16, 1999 |
| 5963292 |
Thermal tuft fluid flow investigation apparatus with a color alterable thermally responsive liquid crystal layer |
Oct. 5, 1999 |
| 5936696 |
Projection type display apparatus |
Aug. 10, 1999 |
| 5859680 |
Electrical addressing of ferroelectric liquid-crystal displays |
Jan. 12, 1999 |
| 5829878 |
Digital fever thermometer having an illuminated display |
Nov. 3, 1998 |
| 5750981 |
Non-contact electro-optic detection of photovoltages created in a semiconductor by a probe beam |
May. 12, 1998 |
| 5717478 |
Photovoltaic module with liquid crystal display indicator |
Feb. 10, 1998 |
| 5557208 |
Battery tester with stacked thermochromic elements |
Sep. 17, 1996 |
| 5543246 |
Battery tester adhesive system |
Aug. 6, 1996 |
| 5491420 |
Battery tester with stacked thermochromic elements |
Feb. 13, 1996 |
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