公开(公告)号：US20110318692A1

公开(公告)日：2011-12-29

申请号：US13147342

申请日：2010-02-12

Applicant: Chang Ho Cho ,  Sung Hyun Kim ,  Raisa Kharbash ,  Keon Woo Lee ,  Dong Kung Oh ,  Won Jin Cung ,  Sang Kyu Kwak ,  Chang Soon Lee

Inventor： Chang Ho Cho ,  Sung Hyun Kim ,  Raisa Kharbash ,  Keon Woo Lee ,  Dong Kung Oh ,  Won Jin Cung ,  Sang Kyu Kwak ,  Chang Soon Lee

IPC: G03F7/031 ,  C07F9/40 ,  C07D209/86 ,  G03F7/032

CPC classification number: C07F9/5728 ,  C07D209/88 ,  C08F2/50 ,  G03F7/031 ,  Y10S430/106 ,  Y10S430/127

Abstract: The present invention relates to a photoactive compound of a novel structure represented by Chemical Formula 1 below In Chemical Formula 1, R1 and R2, R3, and A are as defined in the specification, and a photosensitive resin composition comprising the same. The photoactive compound of the present invention comprises a nitro group and a phosphonate structure and thus exhibits excellent sensitivity through efficient absorption for UV light, excellent compatibility between the photoactive compound and the alkali-soluble binder resin, and an improved solubility of the photosensitive resin composition. Furthermore, the photosensitive resin composition of the present invention has excellent residual film thickness and mechanical strength characteristics and heat-resistant, chemical-resistant, and development-resistant properties. Accordingly, the photosensitive resin composition of the present invention is advantageous in hardening the column spacers of liquid crystal displays, an overcoat, and passivation materials and also advantageous in a high-temperature process characteristic.

Abstract translation: 本发明涉及由化学式1化学式1表示的新结构的光敏化合物，其中R1，R2，R3，A如说明书中所定义，和含有该化合物的感光性树脂组合物。 本发明的光活性化合物包括硝基和膦酸酯结构，因此通过有效吸收UV光，光活性化合物和碱溶性粘合剂树脂之间的相容性优异，并且改善了感光性树脂组合物的溶解性而显示出极好的灵敏度 。 此外，本发明的感光性树脂组合物具有优异的残留膜厚度和机械强度特性以及耐热，耐化学腐蚀和耐开发性能。 因此，本发明的感光性树脂组合物有利于硬化液晶显示器的列间隔物，外涂层和钝化材料，并且在高温工艺特性中也是有利的。

公开(公告)号：US20100145068A1

公开(公告)日：2010-06-10

申请号：US12452690

申请日：2008-07-15

Applicant: Keon-Woo Lee ,  Chang-Ho Cho ,  Kyoung-Hoon Min ,  Raisa Kharbash ,  Chang-Soon Lee ,  Sung-Hyun Kim

Inventor： Keon-Woo Lee ,  Chang-Ho Cho ,  Kyoung-Hoon Min ,  Raisa Kharbash ,  Chang-Soon Lee ,  Sung-Hyun Kim

IPC: C07D209/82 ,  C07C69/34

CPC classification number: C07C259/06 ,  C07C323/47 ,  G03F7/031

Abstract: The present invention relates to a dendritic photoactive compound that comprises oxime ester and a method for producing the same. Since the compound according to the present invention comprises two or more oxime ester groups and chromophores in one molecule at the same time, the solubility in respects to the organic solvent and the efficiency for producing a radical by absorbing ultraviolet rays are excellent. In addition, it can act as an effective initiator in respects to the photopolymerization of the unsaturated group, in particular, the acryl compound

Abstract translation: 本发明涉及包含肟酯的树枝状光敏化合物及其制造方法。 由于根据本发明的化合物同时在一个分子中包含两个或更多个肟酯基和发色团，因此通过吸收紫外线而言，有机溶剂的溶解度和生成自由基的效率优异。 此外，它可以作为不饱和基团，特别是丙烯酸化合物的光聚合的有效引发剂