Optically non-linear polymeric coatings

Details Optically non-linear polymeric coatings Optically non-linear polymeric coatings

1991-12-18

1995-09-05

Tucker, Philip

Compositions

Light transmission modifying compositions

25229901, 430495, 430945, F21V 900, C09K 1952, G03C 100

Patent

active

054476623

ABSTRACT:
Polymeric coatings having optically non-linear or optically anisotropic properties in selected areas and of any arbitrary shape including a pattern. These zones are sharply defined from surfaces having centro-symmetrical or isotropic configurations or from surfaces with different optically non-linear or anisotropic properties. The polymeric coating has optically non-linear and/or mesogenic side chains, selected surface areas of which are cross-linked by the action of light, the zones which have optically non-linear or anisotropic properties being subjected to the influence or orienting fields or forces during the cross-linking process. The distances between optically different zones are limited to typically about 1 .mu.m.

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