Reflection screen and method for producing the same

Details Reflection screen and method for producing the same Reflection screen and method for producing the same

1997-07-15

2000-03-21

Metjahic, Safet

Optical: systems and elements

Projection screen

359449, 359614, 264 19, 264 27, G03B 2156, G02B 2700, B29D 1100

Patent

active

06040941&

ABSTRACT:
A reflection screen includes a light-reflecting substrate laminated with a light-transmitting polymer layer having light absorptive crazes of regular directionality. The reflection screen is formed by coating or laminating the light-reflecting layer on the substrate, drawing over a blade in a direction perpendicular to the blade to form the crazes and inserting a light-absorbing material into the crazes. Images projected on the reflection screen have high contrast and can be observed as sharp images even in a lighted area such as in a room lighted by fluorescent lighting.

REFERENCES:
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patent: 2928131 (1960-03-01), Mahler
patent: 3726583 (1973-04-01), Fujisaki et al.
patent: 4566756 (1986-01-01), Heijnemans
patent: 4984871 (1991-01-01), Martinez
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patent: 5675437 (1997-10-01), Hart et al.
patent: 5760955 (1998-06-01), Goldenberg et al.
patent: 5837346 (1998-11-01), Langille et al.
Textbook of Polymer Science, by Fred W. Bilmyer, Jr. (John Wiley and Sons 1966), pp. 164-171.

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