Active matrix electro-optic display device with light shielding

Details Active matrix electro-optic display device with light shielding Active matrix electro-optic display device with light shielding

1992-06-12

1993-08-17

Hille, Rolf

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 54, 359 62, G02F 113

Patent

active

052374360

ABSTRACT:
The thin film switch of a pixel of an active matrix liquid crystal light valve is shielded from light by adding a light shielding layer of amorphous germanium or germaniums nitride in the interpixel area surrounding the pixel electrodes. Such active matrix displays are advantageously employed in a color projection TV to produce the separate red, blue and green components of a full color display.

REFERENCES:
patent: 4864390 (1989-09-01), McKechnie et al.
patent: 4904056 (1990-02-01), Castleberry
patent: 4909601 (1990-03-01), Yajima et al.

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