COMPOSITION FOR LIQUID CRYSTAL ALIGNMENT LAYER, PREPARATION METHOD OF LIQUID CRYSTAL ALIGNMENT LAYER USING THE SAME, AND OPTICAL FILM COMPRISING THE LIQUID CRYSTAL ALIGNMENT LAYER
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United States of America Patent
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Mar 13, 2014
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Jan 18, 2008
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Abstract
The present invention relates to a composition for liquid crystal alignment layer, a preparation method of liquid crystal alignment layer using the same, and an optical film comprising the liquid crystal alignment layer. More particularly, the composition for liquid crystal alignment layer according to the present invention includes crosslinkable functional monomers as well as a photoreactive polymer, thereby improving thermal stability and durability of the liquid crystal alignment layer that is prepared by using the composition for liquid crystal alignment layer. In addition, when the liquid crystal alignment layer is used to produce an optical film, adhesive strength between substrate and liquid crystal alignment layer and between liquid crystal alignment layer and liquid crystal film can be improved.
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