Edgelit luminaires

Details Edgelit luminaires Edgelit luminaires

1992-02-26

1994-02-08

Britain, James R.

Card, picture, or sign exhibiting

Illuminated sign

Edge illuminated

40582, G09F 1318

Patent

active

052839680

ABSTRACT:
An edgelit luminaire 10 and a display panel 26 for same in which light generated by a light source 30 is evenly distributed throughout the panel. The panel is formed of a sheet 27 of transparent or semi-transparent plastics, one side of which bears a sign, notice or graphic symbol 32. The sign 32 has sections of different opacity. A plurality of uniformly sized and uniformly spaced dots 34 are overprinted over the sign 32 and the panel 26 to form a half-tone of a color matching, complimenting or contrasting with that of the sign 32. The dots 34 are luminous such that light impinging thereon is reflected and transmitted throughout the panel 26 ensuring an even light distribution.

REFERENCES:
patent: 2994149 (1961-03-01), Endelson
patent: 3486261 (1969-12-01), Hardesty
patent: 3510976 (1970-05-01), Pauline et al.
patent: 3591941 (1971-07-01), Jaffe, Jr.
patent: 4244130 (1981-01-01), Frois
patent: 4373282 (1983-02-01), Wragg
patent: 4715137 (1987-12-01), Scheve
patent: 4791745 (1988-12-01), Pohn

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