Liquid crystal display assembly with phosphorescent backlighting

Details Liquid crystal display assembly with phosphorescent backlighting Liquid crystal display assembly with phosphorescent backlighting

1986-03-20

1987-02-10

Corbin, John K.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

2504581, G02F 113, F21V 916, G01J 158, G01T 110

Patent

active

046419250

ABSTRACT:
A backlighted liquid crystal display (LCD) assembly has a thin phosphorescent layer positioned between the display and the light source to provide an even distribution of light intensity across the viewing surface of the display. The phosphorescent layer includes a phosphor powder mixed into a resin. The mixture is molded into a thin sheet and then cut to size. The phosphorescent layer and an optional disiccant layer may be encapsulated between sheets of acrylic film. The phosphorescent layer may also include a phosphorescent coating that is applied to the rear surface of the LCD or to the front surface of the light source.

REFERENCES:
patent: 4221112 (1980-09-01), Enomoto et al.
patent: 4229783 (1980-10-01), Eberhardt
patent: 4236791 (1980-12-01), Krueger et al.
patent: 4240711 (1980-12-01), Baur et al.
patent: 4276633 (1981-06-01), Takami et al.
patent: 4470666 (1984-09-01), Eick

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