Contrast enhancement filter

Details Contrast enhancement filter Contrast enhancement filter

1987-03-30

1988-05-31

Arnold, Bruce Y.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

350166, 361220, G02B 530, G02B 2728, H05F 102

Patent

active

047476745

ABSTRACT:
A contrast enhancement filter having antistatic and antireflection properties is disclosed. The article comprises a plastic support sheet carrying on one side thereof a layer of indium tin oxide, and superposed upon said layer, an antireflection layer. A light-polarizing element is affixed to the opposed side thereof. The contrast enhancement filter can be used for the reduction of specular glare from the surface of cathode ray tubes, computer display screens and the like.

REFERENCES:
patent: 3518373 (1970-06-01), Cushera et al.
patent: 3576356 (1971-04-01), Hyman
patent: 3962488 (1976-06-01), Gillery
patent: 4168986 (1979-09-01), Venis, Jr.
patent: 4278736 (1981-07-01), Kamerling
patent: 4389452 (1983-06-01), Chahroudi et al.
patent: 4526818 (1985-07-01), Hoshikawa et al.
Pulker, H. K., "Characterization of Optical Thin Films", Applied Optics, vol. 18, No. 12, pp. 1969-1972; Jun. 15, 1979.
Ebert, J., 1982, "Activated Reactive Evaporation" in Optical Thin Films, SPIE, vol. 325, pp. 29-38, 1982.

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