Light modulating device having a silicon-containing matrix

Details Light modulating device having a silicon-containing matrix Light modulating device having a silicon-containing matrix

1993-08-06

1996-12-17

Wu, Shean C.

Compositions

Liquid crystal compositions

428 1, 2522995, 349 89, C09K 1752, G02F 113

Patent

active

055850359

ABSTRACT:
In one aspect, an optically responsive film in which liquid crystal is dispersed in a matrix that includes siloxane linkages. The film has a transmissivity at -20.degree. C. that is substantially the same as the transmissivity at 20.degree. C. and a V.sub.90 at -20.degree. C. that is less than twice the value at 20.degree. C.
In another aspect, an optically responsive film in which liquid crystal is dispersed in a matrix that includes the polymerization product of at least one mercapto-functional siloxane.
In another aspect, an optically responsive film in which liquid crystal is dispersed in a matrix that includes the polymerization product of at least one multi-functional ene and at least one multi-functional silicon hydride.
In another aspect, an optically responsive film in which liquid crystal is dispersed in a matrix that includes the reaction product of at least one multi-functional vinyl silane and at least one multi-functional thiol.

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