Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1997-03-07
1998-10-20
Lorin, Francis J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
15624411, C03C 2712
Patent
active
058241744
ABSTRACT:
The present invention makes it possible to improve color shift, shading and view angles, to prevent external light absorption and reflection, to enhance external light contrast, to eliminate reflection of external images that appear on a light transmission screen's face plate, and to provide distinct pictures free of the adverse effects of dust. The light transmission screen disclosed by the present invention comprises a Fresnel lens sheet, a transparent lenticular lens sheet arranged on the Fresnel lens sheet's radiant light side and a front diffusion panel formed of a thin diffusion layer and a transparent layer and arranged on the lenticular lens sheet's light radiant side.
REFERENCES:
patent: 4083626 (1978-04-01), Miyahara et al.
patent: 5066099 (1991-11-01), Yoshida et al.
patent: 5146342 (1992-09-01), Yokoo et al.
patent: 5434706 (1995-07-01), Mitani et al.
patent: 5485308 (1996-01-01), Hirata et al.
patent: 5587816 (1996-12-01), Gunjima et al.
European Search Report 95301551.8, dated Jun. 6, 1995.
Aoki Satoshi
Mitani Katsuaki
Sakaguchi Hirokazu
Lorin Francis J.
Matsushita Electric - Industrial Co., Ltd.
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