Continuous silicon MOS AC light valve substrate

Details Continuous silicon MOS AC light valve substrate Continuous silicon MOS AC light valve substrate

1978-10-10

1980-03-04

Bauer, Edward S.

350332, 357 30, G02F 113

Patent

active

041914546

ABSTRACT:
There is disclosed a single crystal silicon charge storage apparatus suitable for use in an alternating current driven liquid crystal light valve. The charge storage medium is made of a high resistivity and photosensitive under AC excitation substrate on which an MOS capacitor is formed having fast photoelectric transient response and capable of operating over a wide frequency range. The AC activation provides to a liquid crystal light valve a greatly improved electrochemical stability. Electrically coupled high-reflectivity mirrors and light blocking layers can be used to couple the liquid crystal to the MOS capacitor.

REFERENCES:
patent: 3976361 (1976-08-01), Fraas et al.
patent: 4032954 (1977-06-01), Grinberg et al.
patent: 4093357 (1978-06-01), Jacobson et al.

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