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Class Information
Number: 349/196
Name: Liquid crystal cells, elements and systems > Liquid crystal optical element > Beam dividing switch formed from liquid crystal cell
Description: Subject matter wherein the liquid crystal itself forms an optical switch which determines the direction in which the light travels.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7551239 |
Viewing angle control element and image display based on same |
Jun. 23, 2009 |
| 7468840 |
Wavelength selective optical switch |
Dec. 23, 2008 |
| 7446848 |
Optical element, condensing backlight system and liquid crystal display |
Nov. 4, 2008 |
| 7428036 |
Liquid crystal switchable coupler for coupling at least two unpolarized light inputs |
Sep. 23, 2008 |
| 7361878 |
Image display apparatus and image pickup apparatus with two dimensional scanning |
Apr. 22, 2008 |
| 7343064 |
Optical switch and optical add/drop multiplexer |
Mar. 11, 2008 |
| 7253873 |
Dynamic gain equalizer |
Aug. 7, 2007 |
| 7212743 |
Optical switch device, and optical reception device and optical switch network in which the optical switch device is applied |
May. 1, 2007 |
| 7209212 |
Tunable optical integrated element using liquid crystal as active layer |
Apr. 24, 2007 |
| 7035501 |
Cholesteric liquid crystal cell devices and systems |
Apr. 25, 2006 |
| 7018686 |
Switchable volume hologram materials and devices |
Mar. 28, 2006 |
| 7014326 |
Wavelength blocker |
Mar. 21, 2006 |
| 7009680 |
Narrow band tunable filter with integrated detector |
Mar. 7, 2006 |
| 6999156 |
Tunable subwavelength resonant grating filter |
Feb. 14, 2006 |
| 6992749 |
Flat panel display and a method of fabrication thereof |
Jan. 31, 2006 |
| 6992748 |
Scalable and mass-manufacturable OXC using liquid crystal cells |
Jan. 31, 2006 |
| 6972826 |
Liquid crystal based optical signal processing |
Dec. 6, 2005 |
| 6954252 |
Optical switch including two integrated multiphase SLM's and a wave-plate the wave-plate providing an optical retardance of (2n+1).lambda./4 |
Oct. 11, 2005 |
| 6950171 |
Liquid crystal color switch and method of manufacture |
Sep. 27, 2005 |
| 6924850 |
Flat panel image display structures and method of manufacture |
Aug. 2, 2005 |
| 6897917 |
Liquid crystal variable optical attenuator |
May. 24, 2005 |
| 6888582 |
Optical display system |
May. 3, 2005 |
| 6859573 |
Double pass arrangement for a liquid crystal device |
Feb. 22, 2005 |
| 6834137 |
Cholesteric liquid crystal cell devices and systems |
Dec. 21, 2004 |
| 6765644 |
Broadband optical beam steering system and method |
Jul. 20, 2004 |
| 6760085 |
Wavelength selecting module and wavelength selecting apparatus |
Jul. 6, 2004 |
| 6750940 |
Liquid crystal based optical switch utilizing diffraction |
Jun. 15, 2004 |
| 6735016 |
Electro-optically controllable polarization insensitive optical device |
May. 11, 2004 |
| 6563973 |
Low-index waveguide liquid crystal cross-connect |
May. 13, 2003 |
| 6563553 |
Flat panel display and method of manufacture |
May. 13, 2003 |
| 6559921 |
Liquid crystal planar non-blocking NxN cross-connect |
May. 6, 2003 |
| 6535257 |
Liquid crystal cell for use in coherent beams |
Mar. 18, 2003 |
| 6535194 |
Image display using wobbling |
Mar. 18, 2003 |
| 6519022 |
Optical routing switch using symmetric liquid crystal cells |
Feb. 11, 2003 |
| 6329026 |
Compositions containing chiral compounds and nematic liquid crystals, and devices using them |
Dec. 11, 2001 |
| 6327019 |
Dual liquid-crystal wavelength-selective optical switch |
Dec. 4, 2001 |
| 6297907 |
Devices based on surface plasmon interference filters |
Oct. 2, 2001 |
| 6285473 |
Polarization control optical space switch |
Sep. 4, 2001 |
| 6252644 |
Wedge-shaped liquid-crystal cell having nonlinear gap |
Jun. 26, 2001 |
| 6243055 |
Optical display system and method with optical shifting of pixel position including conversion of pixel layout to form delta to stripe pattern by time base multiplexing |
Jun. 5, 2001 |
| 6208774 |
Polarization independent light switching device based on liquid crystals |
Mar. 27, 2001 |
| 6184969 |
Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement |
Feb. 6, 2001 |
| 6181846 |
Fiberoptic liquid crystal on-off switch and variable attenuator |
Jan. 30, 2001 |
| 6171665 |
Liquid-crystalline medium |
Jan. 9, 2001 |
| 6172729 |
Liquid crystal display device of delta arrangement having pixel openings with sides oblique to scan lines |
Jan. 9, 2001 |
| 6169594 |
Beam deflector and scanner |
Jan. 2, 2001 |
| 6147741 |
Digital scanner employing recorded phase information and method of fabrication |
Nov. 14, 2000 |
| 6141071 |
Switchable achromatic polarization rotator |
Oct. 31, 2000 |
| 6134031 |
Polarization control optical space switch |
Oct. 17, 2000 |
| 6130731 |
Liquid crystal devices using a linear electro-optic effect |
Oct. 10, 2000 |
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