Volume photo-aligned retarder

Details Volume photo-aligned retarder Volume photo-aligned retarder

2007-09-07

2011-11-08

Pak, Sung (Department: 2874)

Liquid crystal cells, elements and systems

Particular structure

Interconnection of plural cells in series

Reexamination Certificate

active

08054411

ABSTRACT:
This invention relates to a birefringent layer, wherein the direction of the optical axis varies along the thickness direction of the layer, comprisingI)(i) a liquid crystal monomer or pre-polymer having polymerisable groups; and(ii) a monomer or oligomer or polymer having photo-orientable groups, and/or(iii) a liquid crystal monomer or pre-polymer, oligomer or polymer having photo-orientable and polymerisable groups, and(iv) and optionally further components,orII)(v) a liquid crystal monomer or pre-polymer, oligomer or polymer having photo-orientable and polymerisable groups, and(vi) and optionally further components,in addition, this invention relates to a method for the preparation of the birefringent layer, its uses and optical components thereof.

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