Three dimensional projection display reflecting divided polarize

Details Three dimensional projection display reflecting divided polarize Three dimensional projection display reflecting divided polarize

1993-03-11

1996-09-03

Metjahic, Safet

Television

Video display

Projection device

348 58, 348742, 348790, 354112, 359465, H04N 574

Patent

active

055528406

ABSTRACT:
The present invention relates to a projection type liquid crystal display. In a preferred aspect, the projection type liquid crystal display of the invention includes an optical source for generating light, a light dividing unit which divides the light into a first light having a first polarization direction and a second polarization direction and allows the first and second lights to come out in different directions from each other, a pair of reflective liquid crystal display elements formed of a first reflective liquid crystal display element and a second reflective liquid crystal display element with synchronization, a light synthesizing unit for receiving the first light which comes out of the first reflective liquid crystal display element and the second light which comes out of the second reflective liquid crystal display element and synthesizing the first and second lights into image light, and a screen.

REFERENCES:
patent: 4647966 (1987-03-01), Phillips et al.
patent: 4786146 (1988-11-01), Ledebuhr
patent: 4995718 (1991-02-01), Jachimowicz et al.
patent: 5028121 (1991-07-01), Bauer et al.
patent: 5239372 (1993-08-01), Lipton
patent: 5357277 (1994-10-01), Nakayoshi et al.
S. Yano et al., Japan Display 89, pp. 48-51 4-3 "A Study of Picture Quality for Stereoscopic Pictures and Two-dimensional Pictures".

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