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All-Optically Prepared and Controlled Nematic Liquid Crystal Light Valve

技術優勢: Main Advantages of this InventionΓÇóDisplay manufacturing without contact to window surfacesΓÇóDoesnΓÇÖt rely on contact-rubbing methodsΓÇóSimple, reliable and low cost.

技術應用: Potential Areas of Application ΓÇóHigh-resolution microdisplaysΓÇóOptical memoryΓÇóOptical switching for optical beam controlΓÇóMain element in all-optical computer

*Abstract: This device acts as an optical switch that controls the intensity of a light beam through the action of a second control beam. This behavior is achieved through photo-induced anisotropy that develops in a monomolecular layer coating the inside surfaces of a liquid crystal cell. One of these surfaces is permanently aligned prior to assembly, while the other surface retains reversible behavior , adopting anisotropy according to the orientation of the polarization of the control beam. The device is the first of its kind, in which both control surfaces contain the same molecule. The different behaviors on these surfaces are achieved according to the processing conditions.

*Principal Investigation: Name: Tom Furtak
Department:

Name: Youngwoo Yi
Department:

附加資料: Patent Number: US7182982B2
Application Number: US2005225918A
Inventor: Furtak, Thomas E. | Yi, Youngwoo
Priority Date: 13 Sep 2004
Priority Number: US7182982B2
Application Date: 13 Sep 2005
Publication Date: 27 Feb 2007
IPC Current: G02F0001135
US Class: 4280012 | 349135 | 362627 | 4280011
Assignee Applicant: Colorado School of Mines,Golden
Title: All-optically prepared and controlled nematic liquid crystal light valve
Usefulness: All-optically prepared and controlled nematic liquid crystal light valve
Summary: For optically controlled liquid crystal light valve (claimed).
Novelty: Manufacturing method for optically controlled liquid crystal light valve, involves illuminating methyl red self-assembled monolayer on substrate with polarized light in presence of oxygen

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