Screen of projection display

Details Screen of projection display Screen of projection display

1993-12-21

1995-09-05

Wintercorn, Richard A.

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

359460, G03B 2160

Patent

active

054484014

ABSTRACT:
A longitudinal-stripe lenticular lens screen and a transverse-stripe lenticular lens screen are superposed, and a light diffusing agent is mixed only in the longitudinal-stripe lenticular lens screen. Therefore, the light transmittance is high although the angle of view can be three-dimensionally widened by the two lenticular lens screens. In addition, since scan lines of an image are blurred by two diffusion planes, Moire becomes inconspicuous.

REFERENCES:
patent: 3791712 (1974-02-01), Miyagi
patent: 4219253 (1980-08-01), Campion et al.
patent: 4387959 (1983-06-01), Lange et al.
patent: 4979801 (1990-12-01), Park
patent: 5076661 (1991-12-01), Bradley

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