Contrast enhancement filter
First Claim
1. A contrast enhancement filter having antistatic and antireflection properties, said filter comprising a transparent plastic sheet carrying on one side thereof, a layer of indium tin oxide, and superposed upon said indium tin oxide layer, an antireflection layer, said filter having affixed to the opposed side of said plastic sheet, a light-polarizing element.
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Accused Products
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.
48 Citations
20 Claims
- 1. A contrast enhancement filter having antistatic and antireflection properties, said filter comprising a transparent plastic sheet carrying on one side thereof, a layer of indium tin oxide, and superposed upon said indium tin oxide layer, an antireflection layer, said filter having affixed to the opposed side of said plastic sheet, a light-polarizing element.
Specification