Liquid crystal light polarizer and method

Details Liquid crystal light polarizer and method Liquid crystal light polarizer and method

1995-05-23

1996-01-23

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 37, G02F 11333, G02F 113

Patent

active

054869404

ABSTRACT:
A polarizer including liquid crystal material and a surface or surfaces for cooperating with the liquid crystal material to control polarization of light which is incident in a direction normal to the polarizer by at least one of refraction and total internal reflection of one polarization component of the light while transmitting the other polarization component substantially in the direction without refraction or total internal reflection, the surface or surfaces including plural grooves in cooperative relationship with the liquid crystal material.

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patent: 4582396 (1986-04-01), Bos et al.
patent: 4685771 (1987-08-01), West et al.
patent: 4688900 (1987-08-01), Doane et al.
patent: 4729640 (1988-03-01), Sakata
patent: 4822146 (1989-04-01), Yamanobe et al.
patent: 5235443 (1993-08-01), Barnik et al.
patent: 5299037 (1994-03-01), Sakata
patent: 5301049 (1994-04-01), Katagiri et al.
Sid 93 Digest, pp. 669-672, "P-61: Retroreflecting Sheet Polarizer", Weber.
Sid 93 Digest, pp. 957-960, "44.2: Control of the LC Alignment Using A Stamped Morphology Method and its Application to LCDs", Lee et al.

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