Class 349/105 - Interference filter

Subclass of Class 349 - Liquid crystal cells, elements and systems
Definition: Subject matter wherein two light waves, as a result of their
No. of patents: 84
Last issue date: 01/29/2013

Number	Title	Issue Date
4470669	Liquid crystal display device A thermally addressable liquid crystal display device is disclosed herein. The device comprises twin transparent plates with a liquid crystal element disposed between them. A transparent electrode film is provided onto the inside surface of the first tran...	09/11/1984
4464019	Two-color liquid crystal light valve image projection system with color selective prepolarizers in single optical tank This invention provides a unitary oil coupled optical arrangement for color selective prepolarization of the light incident upon two light valves. The optical arrangement is immersed within a single tank. It includes dichroic filters which act on polarize...	08/07/1984
4425029	Fluorescent liquid crystal display devices A fluorescent liquid crystal display of the type for reflecting radiation comprises a fluorescent material contained within a liquid crystal material for providing fluorescence in response to absorbance, and a filter element for reflecting at least one of...	01/10/1984
4006968	Liquid crystal dot color display A solid state dot sequential color display device is disclosed. A color image is formed in a liquid crystal display panel by breaking each picture element up into its three primary color components and presenting them in an adjacent manner. The space occu...	02/08/1977

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