Spectrally tuned multiple bandpass filters for video displays

Details Spectrally tuned multiple bandpass filters for video displays Spectrally tuned multiple bandpass filters for video displays

1998-07-07

2000-12-26

Parker, Fred J.

Coating processes

Optical element produced

Polarizer, windshield, optical fiber, projection screen, or...

427164, B05D 506, C03C 1700, G02B 110

Patent

active

061655465

ABSTRACT:
Disclosed in this invention is an optical filter to enhance the contrast and brightness of images from a color display. The filter comprises suitable dyes and a polymer matrix, applied in a suitable form on the display unit. Such filters have utility in devices based on CRTs, plasmas and the like.

REFERENCES:
patent: 4191725 (1980-03-01), Armstrong et al.
patent: 4808501 (1989-02-01), Chiulli
patent: 4987338 (1991-01-01), Itou et al.
patent: 4989953 (1991-02-01), Kirschner
patent: 5200667 (1993-04-01), Iwasaki et al.
patent: 5291097 (1994-03-01), Kawamura et al.
patent: 5523114 (1996-06-01), Tong et al.

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