Liquid crystal display using opaque flaps for reflection

Details Liquid crystal display using opaque flaps for reflection Liquid crystal display using opaque flaps for reflection

1986-05-29

1988-02-09

Miller, Stanley D.

Illumination

Supported by vehicle structure

Condition responsive

362 23, 350276R, G02F 113, G02F 1133, G02B 2700, G01D 1128

Patent

active

047238402

ABSTRACT:
A liquid crystal display device is provided comprising a liquid crystal wafer operating by transmission which is disposed in front of a sheet of transparent material having a multitude of parallel opaque flaps substantially perpendicular to the wafer. In daytime use, light rays substantially perpendicular to the wafer pass through the sheet towards the rear of the wafer. For nightime use, the sheet reflects rearwardly of the wafer a part of the light rays coming from a lamp and the flaps stop the other part of these light rays.

REFERENCES:
patent: 3838909 (1974-10-01), Fitzgibbons
patent: 4021945 (1977-05-01), Sussman
patent: 4124279 (1978-11-01), Byles
patent: 4310871 (1982-01-01), Adachi
patent: 4367923 (1983-01-01), Ishikawa
patent: 4618216 (1986-10-01), Suzawa
patent: 4621306 (1986-11-01), Sell

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