Transmission type screen and method of manufacturing thereof

Details Transmission type screen and method of manufacturing thereof Transmission type screen and method of manufacturing thereof

1992-11-12

1995-07-18

Blankenship, Howard B.

Optical: systems and elements

Projection screen

Unitary sheet comprising plural refracting areas

359596, G03B 2160

Patent

active

054347068

ABSTRACT:
A lenticular lens provided on the viewer side of a transmission type screen is composed of at least two layers, that is, a surface layer and a base layer at least one of which contains a light dispersing material, and a visible light absorbing material is mingled in at least one of these two layers, or in the light dispersing material, thereby enhancing the image contrast of the transmission type screen.

REFERENCES:
patent: 4919515 (1990-04-01), Hasegawa et al.
patent: 5066099 (1991-11-01), Yoshida et al.
patent: 5196960 (1993-03-01), Matsuzuki et al.
Patent Abstracts of Japan, vol. 15, No. 180, (P-1199) 9 May 1991 & JP-A-03 039 944 (Hitachi) 10 Feb. 1991.

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