Illumination – Revolving
Patent
1988-12-07
1990-05-08
Lazarus, Ira S.
Illumination
Revolving
362293, 362308, 362327, 362223, 362268, 40444, 40546, F21V 800
Patent
active
049243560
ABSTRACT:
An illumination system for a display device includes a plurality of lenslets which provide partially collimated light with respect to at least one axis of the display. A light box provides uncollimated light to the lenslets. The light box includes a reflector having apertures which transmit light from the light box to the lenslets. The internal surfaces of the light box and the reflector are highly and diffusely reflective and a high percentage of the light reaches the lenslets.
REFERENCES:
patent: 3840695 (1974-10-01), Fischer
patent: 4263594 (1981-04-01), Masucci
patent: 4330813 (1982-05-01), Deutsch
patent: 4668049 (1987-05-01), Canter et al.
patent: 4686519 (1987-08-01), Yoshida et al.
patent: 4798448 (1989-01-01), van Raalte
IBM Technical Disclosure Bulletin, vol. 29, No. 11, Apr. 1987 p. 4838.
French Park
Stewart Wilbur C.
Cox D. M.
General Electric Company
Hallacher L. L.
Irlbeck D. H.
Lazarus Ira S.
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