Liquid crystal panel display device

Details Liquid crystal panel display device Liquid crystal panel display device

1984-10-25

1987-03-10

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340760, 340718, 350345, G09G 336

Patent

active

046493816

ABSTRACT:
A liquid crystal panel device comprises a liquid crystal panel having a relatively large area particularly while in use with an automobile dashboard and having a plurality of display sections, a diffusion plate disposed opposing the rear face of the liquid crystal panel for diffusing receiving light rays, a printed circuit board disposed opposing the rear face of the diffusion plate, and a plurality of light emitting members disposed in equally spaced relation to each other on the printed circuit board over the whole region of the liquid crystal panel. A reflection plate is provided between the diffusion plate and the board, and a partition plate corresponding to the display section of the liquid crystal panel is provided. Within a space defined by the diffusion plate, board, reflection plate, and partition plate, the light emitting members consisting of three or four incandescent lamps are disposed.

REFERENCES:
patent: 4139272 (1979-02-01), Laesser et al.
patent: 4238793 (1980-12-01), Hochstrate
patent: 4330813 (1982-05-01), Deutsch
patent: 4519679 (1985-05-01), Horikiri et al.
patent: 4573766 (1986-03-01), Bournay, Jr. et al.

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