发明申请
US20090290109A1 PHOTOALIGNMENT MATERIAL, DISPLAY SUBSTRATE HAVING AN ALIGNMENT LAYER FORMED USING THE SAME, AND TO A METHOD OF MANUFACTURING THE DISPLAY SUBSTRATE 失效
光电材料,具有使用其形成的对准层的显示基板以及制造显示基板的方法

PHOTOALIGNMENT MATERIAL, DISPLAY SUBSTRATE HAVING AN ALIGNMENT LAYER FORMED USING THE SAME, AND TO A METHOD OF MANUFACTURING THE DISPLAY SUBSTRATE
摘要:
A photoalignment material includes an alignment polymer, a photoalignment additive including a compound represented by the following Chemical Formula 1 and an organic solvent. In Chemical Formula 1, R1 represents a cyclic compound. A and B independently represent a single bond or —(CnH2n)—. “n” represents an integer in a range of 1 to 12. Each —CH2— of A and/or B may be replaced with R3 represents an alkyl group having 1 to 12 carbon atoms, and each —CH2— of A and/or B may be replaced with —O—. R4 represents In Chemical Formula 1, each hydrogen atom excluding hydrogen atoms of R4 may be replaced with chlorine (Cl) or fluorine (F).Thus, an alignment layer having an orientation may be formed without an alignment polymer having a photoreactive portion, and the density of the alignment layer may be increased.
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