Curable composition for liquid crystal sealant and liquid crystal display element

• Main Authors: MIYAO, HIROSHI, SUZUKI, YASUNOBU, SHINOHARA, NORIYASU
• Format: Patent
• Language: Chinese; English
• Published: 16.01.2010
• Subjects: 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; FREQUENCY-CHANGING; METALLURGY; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The object of the present invention is to provide a curable composition capable of corresponding to narrow edge which decreases contamination to liquid crystal and has sufficient hardness and adhesiveness even at the shaded region caused by wiring. The solution is to provide a curable composition comprising the following component (A) to (E), a liquid crystal sealant and a liquid crystal display element, (A) compound having ethylenic unsaturated group; (B) epoxy compound having 3 or more epoxy group in 1 molecule and having a molecular weight of 500 or less; (C) epoxy compound having 3 or more epoxy group in 1 molecule and having a molecular weight of 500 or more; (D) epoxy curable agent; (E) photo radical polymerizing initiator.