Photorecording element and liquid crystal cell comprising the sa

Details Photorecording element and liquid crystal cell comprising the sa Photorecording element and liquid crystal cell comprising the sa

1988-08-31

1990-10-16

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Liquid crystal process, composition, or product

430 19, 430945, 430962, 428 1, G03C 1685, G03C 173, G02F 11337, C09K 952

Patent

active

049634488

ABSTRACT:
A photorecording element is disclosed which consists of a transparent substrate, a molecular layer of an organic compound with an ability to change structure reversibly by virtue of light and disposed in direct contact with the transparent substrate, and a layer of liquid crystals disposed in direct contact with the molecular layer. A liquid crystal cell comprising the photorecording element is also disclosed. A modification having fine deformations on the surface of the transparent substrate and a modification having a dichroic dye contained in the layer of liquid crystals are embraced by the present invention.

REFERENCES:
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patent: 4737311 (1988-04-01), Scheuble et al.
Journal of the American Chemical Society/93:25/, Dec. 15, 1971, pp. 7088-7090, E. Sackmann, "Photochemically Induced . . . ".
Journal De Chimie Physique, vol. 73, 1976, pp. 795-798, B. Schnuriger, et al., "Photoisomerisation Dans Le Milieux . . . ".
J. Electrochem. Soc., vol. 121, No. 12, Dec., 1974, pp. 1666-1669, W. E. Haas, et al., "U.V. Imaging with Nematic Chlorostilbenes".
Collected Paper of the Electrical Communications Association, vol. J-62-C, No. 3, 1979, pp. 179-184, S. Sato, et al.
Japanese Journal of Applied Physics, vol. 21, No. 7, Jul., 1982, pp. 969-973, K. Ogura, et al., "Smectic Liquid Crystal . . . ".
Glossary of Lectures for the 52nd Spring Meeting of Japan Chemical Society, 1986, p. 787.
Chemistry Letters, 1987, pp. 911-914, The Chemical Society of Japan, S. Tazuke, et al., "Amplified Image Recording in Liquid . . . ".

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