- Patent Title: Photosensitive resin composition, method for producing cured film, cured film, liquid crystal display device, organic electroluminescent display device, and touch panel
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Application No.: US15442935Application Date: 2017-02-27
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Publication No.: US10254645B2Publication Date: 2019-04-09
- Inventor: Kenta Yoshida , Takuma Amemiya , Satoru Yamada , Mikio Nakagawa
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2014-180049 20140904; JP2015-132978 20150701
- Main IPC: G03F7/023
- IPC: G03F7/023 ; G03F7/40 ; C08G73/22 ; G03F7/039 ; G06F3/041 ; H05B33/10 ; H05B33/12 ; H05B33/22 ; G03F7/038 ; G03F7/16 ; G03F7/20 ; G03F7/32 ; G03F7/38 ; G06F3/044 ; G02F1/1333 ; H01L27/32 ; H01L51/56

Abstract:
There are provided a photosensitive resin composition having excellent chemical resistance, light resistance, and solubility in a solvent, a method for producing a cured film, a cured film, a liquid crystal display device, an organic electroluminescent display device, and a touch panel. The photosensitive resin composition contains a polybenzoxazole precursor, a photoacid generator which generates an acid having a pKa of 3 or less or a quinone diazide compound, and a solvent, in which the polybenzoxazole precursor contains a total of 70 mol % or more of a repeating unit represented by the following Formula (1) and a repeating unit represented by the following Formula (2) with respect to the total repeating units, and a ratio between the repeating unit represented by Formula (1) and the repeating unit represented by Formula (2) is 9:1 to 3:7 in a molar ratio. Y1 represents a cyclic aliphatic group having 3 to 15 carbon atoms, and Y2 represents a linear or branched aliphatic group having 4 to 20 carbon atoms.
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