Liquid crystal cells – elements and systems – Nominal manufacturing methods or post manufacturing... – Aligning liquid crystal with means other than alignment layer
Patent
1996-10-04
1998-07-21
Sikes, William L.
Liquid crystal cells, elements and systems
Nominal manufacturing methods or post manufacturing...
Aligning liquid crystal with means other than alignment layer
349163, 349202, G02F 1139
Patent
active
057841411
ABSTRACT:
A phase spatial light modulator composed of a liquid crystal cell having molecular orientation recorded during the fabrication process as a direct result of a photochemical reaction exerted upon the liquid crystal material, a mechanically-induced change of a liquid crystal alignment layer, or by varying a plurality of polymer materials that compose the liquid crystal alignment layer, thereby affecting the liquid crystal material contained within the cell. The modulator, or scanner, thereby capable of altering the phase, thus steering light passing therethrough. During operation, the liquid crystal molecules deflect the light beam passing therethrough based on their orientation as recorded during fabrication when the applied voltage is "OFF" or in an altered state when the applied voltage is "ON".
REFERENCES:
patent: 4878742 (1989-11-01), Ohkubo et al.
patent: 5528401 (1996-06-01), Narutaki et al.
patent: 5576870 (1996-11-01), Ohmae
patent: 5638201 (1997-06-01), Bos et al.
Chen Diana
Wei Cheng-Ping
Wright Phil
Duong Tai V.
Motorola Inc.
Parsons Eugene A.
Sikes William L.
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