发明授权
US4142781A Electro-optical display device with electro-optical light valves 失效
带光电光阀的电光显示装置

Electro-optical display device with electro-optical light valves
摘要:
Electro-optical display device which may operate either in a one or multi-color mode and utilizes electro-optical light valves for controlling transmittance of a passive light through the device characterized by passively amplifying the brightness of the display device with the addition of a light trap which includes a fluorescent plate having mirrored edge surfaces. While the invention or improvement may be utilized with any passive optical display device, it is particularly useful with a liquid crystal display device.
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