Liquid crystal light valve with photoconductor including light a

Details Liquid crystal light valve with photoconductor including light a Liquid crystal light valve with photoconductor including light a

1995-02-02

1997-02-11

Gross, Anita Pellman

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Optical excitation

349 29, G02F 1135

Patent

active

056026595

ABSTRACT:
A photoconductor coupled liquid crystal light valve comprising at least a pair of transparent electrode, a liquid crystal layer and a photoconductive layer showing blocking properties both sandwiched between said transparent electrodes, wherein said photoconductive layer includes a light absorbing layer and a blocking layer having a band gap wider than said light absorbing layer, both said light absorbing layer and said blocking layer being formed of non-alloy a-Si; and a method for manufacturing said photoconductor coupled light valve wherein said photoconductive layer is prepared with electron cyclotron resonance method.

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patent: 5324549 (1994-06-01), Hayakawa et al.
N. Takahashi, et al., "High-Speed Light Valve Using an Amorphous Silicon Photosensor and Ferroelectric Liquid Crystals", Applied Physics Letters, vol. 51, No. 16, Oct. 1987, pp. 1233-1235.
M. Nesladek, et al., "Amorphous Silicon Vidicon Target", Journal of Non-crystalline Solids, vol. 90, 1987, pp. 251-254.

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