Optical filter in fluorescent liquid crystal display devices

Details Optical filter in fluorescent liquid crystal display devices Optical filter in fluorescent liquid crystal display devices

1981-03-23

1983-11-22

Corbin, John K.

350339F, 350349, G02F 113

Patent

active

044165153

ABSTRACT:
A fluorescent liquid crystal display of the type where light is permeable comprises a fluorescent material contained within a liquid crystal material for providing fluorescence, an exciting source for dispersing exciting radiation to stimulate the fluorescent material, a wavelength band of the fluorescence being apart from that of the exciting radiation to be absorbed by the fluorescent material, and filter means for controlling the propagation of the exciting radiation to enhance display contrast of the fluorescent liquid crystal display.

REFERENCES:
patent: 3844637 (1974-10-01), Masi
patent: 3960753 (1976-06-01), Larrabee
patent: 4026637 (1977-05-01), Yamazaki
patent: 4142781 (1979-03-01), Baur et al.
patent: 4176198 (1979-12-01), Labes

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