Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – With charge transferring layer of specified composition
Patent
1991-12-23
1993-09-21
Ryan, Patrick J.
Stock material or miscellaneous articles
Liquid crystal optical display having layer of specified...
With charge transferring layer of specified composition
428913, 252582, 252583, 25229901, 359 75, 359328, C09K 1900
Patent
active
052467481
ABSTRACT:
This invention provides novel self-assembled multilayer organic thin films including an azo-benzene chromophore which initially appear substantially amorphous when viewed perpendicular to the film surface, but are subsequently treated with a laser in selected areas so that such portions exhibit photo-induced birefringence.
REFERENCES:
patent: 5072234 (1991-12-01), Crystal
Shimomura et al, Polymer Journal, vol. 16, pp. 187-190 Feb. 1984.
Penner et al, Macromolecules vol. 24, pp. 1041-1049 Mar. 1991.
Bonsall Bettina E.
Gillberg-LaForce Gunilla E.
McKenzie Leroy
Nikles David E.
Evans Elizabeth
Ferrell Michael W.
Hoechst Celanese Corp.
Ryan Patrick J.
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