Crosslinking aromatic diamines for polyimide optical alignment layers
申请人:——
公开号:US06313348B1
公开(公告)日:2001-11-06
The invention provides novel crosslinking aromatic diamines useful in preparing polyamic acids and polyimides for optical alignment layers. The novel compositions comprise crosslinking diamines containing a C3-C20 linear or branched hydrocarbon chains containing 1 to 4 carbon-carbon double bonds.
Materials for inducing alignment of liquid crystals and liquid crystal
申请人:Elsicon Inc.
公开号:US06103322A1
公开(公告)日:2000-08-15
The present invention provides novel polyamic acids and polyimide optical alignment layers for inducing alignment of a liquid crystal medium. The novel compositions comprise crosslinking diamines containing a C.sub.3 -C.sub.20 linear or branched hydrocarbon chains containing 1 to 4 carbon-carbon double bonds. The invention further describes liquid crystal displays comprising the novel polyimide optical alignment layers.
Process and materials for inducing alignment of liquid crystals and liquid crystal optical elements
申请人:Elsicon, Inc.
公开号:US06491988B1
公开(公告)日:2002-12-10
The present invention provides novel polyamic acids and polyimide optical alignment layers for inducing alignment of a liquid crystal medium. The novel compositions comprise crosslinking diamines containing a C3-C22 linear or branched hydrocarbon chains containing 1 to 4 carbon-carbon double bonds. The invention further describes liquid crystal displays comprising the novel polyimide optical alignment layers.