Phosphorescent article

Details Phosphorescent article Phosphorescent article

1995-09-27

1997-12-16

Yamnitzky, Marie

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428 418, 428 421, 428204, 428215, 428220, 428332, 428328, 428352, 428690, 428913, 2504844, 40542, B32B 700, F21K 200

Patent

active

056983018

ABSTRACT:
A phosphorescent article which has a phosphorescent layer and a transparent resin layer sequentially superposed on a reflective layer. It uses SrAl.sub.2 O.sub.4 as a phosphorescent pigment to be incorporated in the phosphorescent layer and a transparent resin containing no ultraviolet light absorber is used for the transparent resin layer. Further, for the convenience of use, an adhesive layer and a release layer may be sequentially superposed on the surface of the reflective layer opposite to the surface thereof contiguous to the phosphorescent layer.

REFERENCES:
patent: 3294699 (1966-12-01), Lange
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patent: 4844990 (1989-07-01), White
patent: 4913946 (1990-04-01), Sala et al.
patent: 5242725 (1993-09-01), Weissmann et al.
patent: 5415911 (1995-05-01), Zampa et al.
patent: 5432351 (1995-07-01), Pesce, et al.
"The Effect of an Ultrafine Pigment Color Filters on CRT Brightness, Contrast and Color Purity", Sony Corporation, Display Device Gp. K. Ohno, T. Kusunoki and K. Ozawa, p. 7-13, date not given.

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