Invention Grant
- Patent Title: Negative-type photosensitive coloring composition, cured film, light-shielding pattern for touch panel, and touch panel manufacturing method
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Application No.: US14758101Application Date: 2014-02-07
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Publication No.: US09651865B2Publication Date: 2017-05-16
- Inventor: Hitoshi Araki , Mitsuhito Suwa , Toru Okazawa , Yoshihiko Inoue , Akihiro Ishikawa , Akinori Saeki
- Applicant: TORAY INDUSTRIES, INC.
- Applicant Address: JP Tokyo
- Assignee: TORAY INDUSTRIES, INC.
- Current Assignee: TORAY INDUSTRIES, INC.
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2013-026242 20130214
- International Application: PCT/JP2014/052887 WO 20140207
- International Announcement: WO2014/126013 WO 20140821
- Main IPC: G03F7/075
- IPC: G03F7/075 ; G03F7/027 ; G03F7/029 ; G03F7/038 ; G03F7/105 ; G03F7/40 ; G03F7/16 ; G03F7/20 ; G03F7/32 ; G06F3/041

Abstract:
The purpose of the present invention is to provide a negative-type photosensitive coloring composition ideal for forming a white, light-blocking pattern and which not only has excellent chemical resistance, but also has extremely excellent heat resistance and does not yellow or crack even when undergoing high-temperature processing. This negative-type photosensitive coloring composition contains (A) a white pigment, (B) a polysiloxane obtained by co-hydrolyzate condensation of an alkoxysilane compound containing a compound of a specific structure, (C) polyfunctional acrylic monomers, (D) a photoradical polymerization initiator and (E) an organic solvent.
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