PHOTOALIGNMENT MATERIAL, DISPLAY SUBSTRATE HAVING AN ALIGNMENT LAYER FORMED USING THE SAME, AND METHOD OF MANUFACTURING THE DISPLAY SUBSTRATE

• Main Authors: TAKESHITA FUSAYUKI, LEE JUN-WOO
• Format: Patent
• Language: English
• Published: 24.09.2009
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS; ELECTRICITY; FREQUENCY-CHANGING; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; THEIR PREPARATION OR CHEMICAL WORKING-UP

A photoalignment material includes a photoalignment polymer having a photosensitive portion represented by the following Chemical Formula 1, R1 represents a cyclic compound, each of R2 and R3 represents a single bond, -(CnH2n)-, -(CxH2x)O(CyH2y)-, or -(CaH2a)O(CbH2b)O(CdH2d)-, "n" represents an integer in the range of 1 to 6, each of "x", "y", "a", "b", and "d" represents 0 or an integer in the range of 1 to 6, x+y is an integer in the range of 1 to 5, and a+b+d is an integer in the range of 1 to 6. Each hydrogen atom is replaceable with -CH3, -CH2-CH3, -OCH3, -OCH2CH3, -OCH2OCH3, F, or Cl, and each hydrogen atom of -CH3, -CH2-CH3, -OCH3, -OCH2CH3, or -OCH2OCH3 is replaceable with F or Cl.