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Class Information
Number: 349/202
Name: Liquid crystal cells, elements and systems > Liquid crystal optical element > Liquid crystal diffraction element > For beam steering
Description: Subject matter wherein the diffraction determines the direction of the output beam such that diffraction orders other than 0 are in different channels.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7583423 |
Switchable polymer-dispersed liquid crystal optical elements |
Sep. 1, 2009 |
| 7492986 |
Apparatus and method for optical switching with liquid crystals and birefringent wedges |
Feb. 17, 2009 |
| 7486350 |
Display device, viewing angle control device, electronic display device, and multiple image display device |
Feb. 3, 2009 |
| 7436471 |
Display device, viewing angle control device, electronic display device, and multiple image display device |
Oct. 14, 2008 |
| 7423719 |
Optical film using diffraction grating and display device using the same |
Sep. 9, 2008 |
| 7420733 |
Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects |
Sep. 2, 2008 |
| 7417706 |
Beam steering device |
Aug. 26, 2008 |
| 7400436 |
System for shifting at least one light spot |
Jul. 15, 2008 |
| 7362485 |
Image display medium, image writing device, and image forming apparatus |
Apr. 22, 2008 |
| 7312906 |
Switchable polymer-dispersed liquid crystal optical elements |
Dec. 25, 2007 |
| 7283291 |
High speed beam steering/field of view adjustment |
Oct. 16, 2007 |
| 7268849 |
Spatial light modulator employing voltage gradient pixels, and associated methods |
Sep. 11, 2007 |
| 7265882 |
Switchable polymer-dispersed liquid crystal optical elements |
Sep. 4, 2007 |
| 7265903 |
Switchable polymer-dispersed liquid crystal optical elements |
Sep. 4, 2007 |
| 7256915 |
Switchable polymer-dispersed liquid crystal optical elements |
Aug. 14, 2007 |
| 7227688 |
Apparatus for applying optical gradient forces |
Jun. 5, 2007 |
| 7198737 |
Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects |
Apr. 3, 2007 |
| 7167230 |
Liquid crystal variable wavelength filter unit, and driving method thereof |
Jan. 23, 2007 |
| 7133203 |
Apparatus for applying optical gradient forces |
Nov. 7, 2006 |
| 7126730 |
Electro-holographic lens |
Oct. 24, 2006 |
| 7075615 |
Light separation device, blazed grating device, diffraction grating device, and illumination optical system |
Jul. 11, 2006 |
| 7046425 |
Multi-stage optical switching device |
May. 16, 2006 |
| 7034980 |
Optical element, optical head, optical recording reproducing apparatus and optical recording/ reproducing method |
Apr. 25, 2006 |
| 7009680 |
Narrow band tunable filter with integrated detector |
Mar. 7, 2006 |
| 6894814 |
Optical filter employing holographic optical elements and image generating system incorporating the optical filter |
May. 17, 2005 |
| 6816290 |
Image display element, and image display device |
Nov. 9, 2004 |
| 6810164 |
Optical beam steering system |
Oct. 26, 2004 |
| 6738171 |
Color filter array and microlens array having holographic optical elements |
May. 18, 2004 |
| 6624940 |
Method for applying optical gradient forces and moving material |
Sep. 23, 2003 |
| 6621549 |
Fiber optic flat panel liquid crystal display |
Sep. 16, 2003 |
| 6587180 |
Adjustable liquid crystal blazed grating deflector |
Jul. 1, 2003 |
| 6587076 |
Beam scanning antenna |
Jul. 1, 2003 |
| 6577376 |
Optical device with variable numerical apertures |
Jun. 10, 2003 |
| 6567206 |
Multi-stage optical switching device |
May. 20, 2003 |
| 6469822 |
Optical phased array device and the method therefor |
Oct. 22, 2002 |
| 6456419 |
Frequency modulated liquid crystal beamsteering device |
Sep. 24, 2002 |
| 6421109 |
Method and system for display resolution multiplication |
Jul. 16, 2002 |
| 6369867 |
Riveted liquid crystal display comprising at least one plastic rivet formed by laser drilling through a pair of plastic plates |
Apr. 9, 2002 |
| 6285473 |
Polarization control optical space switch |
Sep. 4, 2001 |
| 6218655 |
Optical pickup |
Apr. 17, 2001 |
| 6211976 |
Holographic projection system |
Apr. 3, 2001 |
| 6191876 |
Light diffusion control by electrically reconfigurable holographic optical elements |
Feb. 20, 2001 |
| 6172792 |
Method and apparatus for forming optical gratings |
Jan. 9, 2001 |
| 6147741 |
Digital scanner employing recorded phase information and method of fabrication |
Nov. 14, 2000 |
| 6124954 |
Projection screen based on reconfigurable holographic optics for implementation in head-mounted displays |
Sep. 26, 2000 |
| 6101008 |
Autostereoscopic display based on electrically switchable holograms |
Aug. 8, 2000 |
| 6091521 |
Light collection from diffractive displays |
Jul. 18, 2000 |
| 6014187 |
Display device |
Jan. 11, 2000 |
| 6014197 |
Electro-optical device wherein orientation layers have grating structure and comprises birefringent material with refractive indices equal to electro-optic medium |
Jan. 11, 2000 |
| 5940159 |
Color microdisplays and methods of manufacturing same |
Aug. 17, 1999 |
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