Light-insensitive matrix addressed liquid crystal display system

Details Light-insensitive matrix addressed liquid crystal display system Light-insensitive matrix addressed liquid crystal display system

1976-12-20

1978-07-25

Curtis, Marshall M.

Communications: electrical

Systems

Portable self-contained

350333, 357 41, 357 52, G06F 314

Patent

active

041032977

ABSTRACT:
A liquid crystal display addressable by a backplate semiconductor MOSFET switching matrix is made light insensitive by ion implanting the backplate around the MOSFETs to prevent the formation of photon generated inversion layers and by extending the reflective back electrodes over the MOSFETs to prevent incident light from striking those areas of the backplate which are not protected by ion implantation.

REFERENCES:
patent: 3824003 (1974-07-01), Koda et al.
patent: 3862360 (1975-01-01), Dill et al.
patent: 3882531 (1975-05-01), Michon et al.
patent: 3931633 (1976-01-01), Shannon et al.
patent: 4011581 (1977-03-01), Kubo et al.
patent: 4011653 (1977-03-01), Kato et al.
patent: 4024626 (1977-05-01), Leupp et al.

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