LCD including a diffusing screen in a plane where emerging light

Details LCD including a diffusing screen in a plane where emerging light LCD including a diffusing screen in a plane where emerging light

1993-10-08

1996-04-02

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 40, 359 41, G02F 11335

Patent

active

055046029

ABSTRACT:
A projection apparatus for holographic stereogram recording has a transmissive liquid crystal device and a diffusion screen. The transmissive liquid crystal device has a microlens array on its incident side and a polarizing sheet on its transmitting side. The microlenses are in one to one correspondence with the pixels of the liquid crystal device. The position of the diffusion screen is chosen such that the image transmitted to it from the liquid crystal device appears continuous.

REFERENCES:
patent: 5151801 (1992-04-01), Hiroshima
patent: 5161042 (1992-11-01), Hamada
patent: 5187599 (1993-02-01), Nakanishi et al.
Patent abstracts of Japan; vol. 14, No. 150 (P-1025) Mar. 22, 1990 and JP-A-02 010 317 (Hitachi) Jan. 16, 1990.
Patent abstracts of Japan; vol. 15, No. 327 (P-1240) Aug. 20, 1991 and JP-A-03 120 517 (Seiko) May 22, 1991.

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