COMPOSITION FOR DISPLAY SEALING MATERIAL, ORGANIC PROTECTION LAYER COMPRISING SAME, AND DISPLAY DEVICE COMPRISING SAME

WIPO Patent Application WO/2016/068416

A1

The present invention relates to a composition for a display sealing material having a photopolymerization initiator and a photocuring monomer, the photocuring monomer comprising: a monomer not having the aromatic hydrocarbon group; and a monomer having two or more substituted or unsubstituted phenyl groups. An organic protection layer obtained by curing the composition for a display sealing material has approximately 400 nm/min or less plasma etching rate being represented by formula (1) below and approximately 2 nm or less surface roughness. Formula (1): Plasma etching rate (nm/min) = (T0 - T1)/M, wherein T0 is the thickness (nm) of a sample cured and prepared by applying the composition for a display sealing material on a base material by means of spraying and then irradiating 100 mW/ cm2 of ultraviolet rays on same for 10 seconds, T1 is the thickness (nm) of the sample after plasma processing same for one minute under the condition of 2500 W ICP power, 300 W RF power, DC bias 200 V, 50 sccm argon (Ar) flow rate, and 10 mTorr pressure, and M is plasma processing time (min), wherein T0 and T1 indicate thicknesses excluding the thickness of the base material.

KIM HYE JIN (KR)
NAM SEONG RYONG (KR)
KO SUNG MIN (KR)
KIM MI SUN (KR)
LEE JI YEON (KR)

PCT/KR2015/003694

May 06, 2016

April 14, 2015

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SAMSUNG SDI CO LTD (KR)

C08F220/26; C08F2/50; C08F220/10; C08F220/30; H01L51/54

JP2014193970A	2014-10-09
KR20140046924A	2014-04-21
KR20130132639A	2013-12-04
KR101402355B1	2014-06-02
KR20140140769A	2014-12-10

AJU KIM CHANG & LEE (KR)
특허법인아주양헌 (KR)

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