Converging reflector and liquid crystal display device

Details Converging reflector and liquid crystal display device Converging reflector and liquid crystal display device

1992-05-29

1993-03-09

Cuchlinski, Jr., William A.

Optics: image projectors

Reflector

353102, 359 49, 362347, G03B 2114, F21V 712

Patent

active

051929627

ABSTRACT:
A converging reflector comprises a linear light source having two end points located with a predetermined spacing therebetween, a first reflection surface having a curvature so as to have a focal point at one of the two end points, and a second reflection surface having another curvature so as to have a focal point at the other of the two end points. Accordingly, a light from the linear light source is incident onto the first and second reflection surfaces. Thus, this reflector can project a light as an ideal plane of projection, resulting in improved projection efficiency.

REFERENCES:
patent: 4566056 (1986-01-01), Kouchi
patent: 4612608 (1986-09-01), Peitz
patent: 4735495 (1988-04-01), Henks
patent: 4765718 (1988-08-01), Henkes
patent: 4882617 (1989-11-01), Vriens
patent: 4912614 (1990-03-01), Goldenberg
patent: 4915479 (1990-04-01), Clarke

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