Illumination – Light modifier – Refractor
Patent
1988-04-14
1991-01-08
Lazarus, Ira S.
Illumination
Light modifier
Refractor
362 31, 362329, 362309, 350167, 350286, F21V 502
Patent
active
049841440
ABSTRACT:
A high aspect ratio light fixture has an optical window with a light extraction film therein. The light extraction film has a plurality of linear prisms facing the interior of the light fixture. In one embodiment of the invention the prisms are triangular in shape while in another they are four sided.
REFERENCES:
patent: 1245836 (1917-11-01), Waggoner
patent: 2050429 (1936-08-01), Dorey et al.
patent: 2818500 (1957-12-01), Franck
patent: 3049616 (1962-08-01), Davis
patent: 3179796 (1965-04-01), Rolph
patent: 3539799 (1970-11-01), Dangauthie
patent: 3716710 (1973-02-01), Clostermann et al.
patent: 3740119 (1973-06-01), Sakurai
patent: 3764800 (1973-10-01), Clostermann
patent: 4118763 (1978-10-01), Osteen
patent: 4177505 (1979-12-01), Carel
patent: 4411493 (1983-10-01), Miller
patent: 4497860 (1985-02-01), Brady
patent: 4530041 (1985-07-01), Yamai et al.
patent: 4805984 (1989-02-01), Cobb, Jr.
Cobb, Jr. Sanford
Dreyer, Jr. John F.
Buckingham Stephen W.
Cox D. M.
Kirn Walter N.
Lazarus Ira S.
Minnesota Mining and Manufacturing Company
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