Liquid crystal display device having fluorescent tube illuminato

Details Liquid crystal display device having fluorescent tube illuminato Liquid crystal display device having fluorescent tube illuminato

1986-08-07

1987-05-12

Corbin, John K.

350339R, G02F 113

Patent

active

046644814

ABSTRACT:
A reflecting plate is disposed in such a manner as to surround a fluorescent tube in a U shape in its axial direction. A light diffusion-transmission plate is disposed in such a manner as to bridge over the open end portions of the U-shaped reflecting plate and to extend in the axial direction of the fluorescent tube. A liquid crystal display element is disposed on this light diffusion-transmission plate. In the liquid crystal display device having the construction described above, the present invention disposes shading means for increasing the quantity of light near the filament portions and limiting the quantity of light on the light emission surface inside the fluorescent tube.

REFERENCES:
patent: 4618216 (1986-10-01), Suzawa

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