High efficiency polarized display

Details High efficiency polarized display High efficiency polarized display

1995-04-07

1998-05-12

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349 87, 359494, G02F 11335

Patent

active

057513880

ABSTRACT:
An image display apparatus which employs a polarization-sensitive scattering element (PSSE). In the display, a light source is used to illuminate a panel which modulates light in order to form an image. Positioned between the light source and the panel is the PSSE which acts to effectively separate light of different polarizations. The PSSE provides a means for recapturing light energy which would otherwise be lost in the display, while reducing degradation and heat build-up due to light absorption.

REFERENCES:
patent: 3522985 (1970-08-01), Rogers
patent: 3566099 (1971-02-01), Makas
patent: 3653138 (1972-04-01), Cooper
patent: 5157526 (1992-10-01), Kondo et al.
patent: 5485354 (1996-01-01), Ciupke et al.
Schadt et al., "New Liquid Crystal Polarized Color Projection Principle" Oct. 1990 pp. 1974-1984.

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