Laminated beam splitting optical system with reflective medium

Details Laminated beam splitting optical system with reflective medium Laminated beam splitting optical system with reflective medium

1990-12-31

1992-03-24

Sugarman, Scott J.

Optical: systems and elements

Glare or unwanted light reduction

359900, 351 44, G02B 2700, G02C 710

Patent

active

050993607

ABSTRACT:
A method of coloring a glass optical structure comprising providing a first glass plate member having a smooth exterior surface and an interior surface, applying a transparent paint layer to said interior surface, providing a clear layer of flowable plastic over said paint layer so that said flowable plastic fills any variations in said paint layer, and prevents optical distortion in said structure, and applying a second glass member having a smooth exterior surface and an interior surface adjacent said flowable layer. In structural form, the optical system comprises a four-layered optical structure. The flowable plastic corrects any optical distortions created by variations in the paint layer.

REFERENCES:
patent: 1771451 (1930-07-01), Suzuki et al.
patent: 2409356 (1946-10-01), Hutchings
patent: 4315665 (1982-02-01), Haines
patent: 4320940 (1982-03-01), Mueller et al.
patent: 4657354 (1987-04-01), Kobayashi
patent: 4715702 (1987-12-01), Dillon

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