Charge erase device with flare light control

Details Charge erase device with flare light control Charge erase device with flare light control

1986-02-26

1987-12-29

Braun, Fred L.

Photocopying

Including fiber optics

355 3R, G03G 15052, G03G 2100

Patent

active

047164360

ABSTRACT:
An edge erase device is formed by joining an electroluminescent panel to a light control film to provide a sharper edge definition of the light impinging on a charged photosensitive surface. The light control film includes a plurality of micro-louvers which produce a venetian blind effect to preferentially direct the light from the lamp substantially eliminating the flare light.

REFERENCES:
patent: 3511563 (1970-05-01), Erwin
patent: 3687538 (1972-08-01), Matsumoto
patent: 3792913 (1974-02-01), Simmons
patent: 4105321 (1978-08-01), Urso
patent: 4173406 (1979-11-01), Oyama et al.
patent: 4248517 (1981-02-01), Nishikawa
patent: 4534641 (1985-08-01), Gilliland et al.
patent: 4557581 (1985-12-01), Woolley et al.
Brochure, "Light Control Film (LCF); 3M Industrial Optics; 12 pp.
"Brighter Displays With EL Lamps"; Douglas Bahniuk, Machine Design; Aug. 22, 1985; pp. 87-92.

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