Title:
POSITIVE PHOTOSENSITIVE RESIN COMPOSITION AND PARTITION WALL OF ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2021/246449
Kind Code:
A1
Abstract:
Provided is a high-sensitivity photosensitive resin composition that has improved process stability and contains a black colorant. This positive photosensitive resin composition includes: a resin blend (A2) that includes a resin (a2-1) having a plurality of phenolic hydroxyl groups, X mol% (where X is a real number greater than 0) of the plurality of phenolic hydroxyl groups being protected by an acid-degradable group (4), and a resin (a2-2) having a plurality of phenolic hydroxyl groups, Y mol% (where Y is a real number greater than 0) of the plurality of phenolic hydroxyl groups being protected by the same acid-degradable group (4); at least one type of colorant (B) selected from the group consisting of black dyes and black pigments; and a photoacid generator (C), wherein Y – X ≥ 10.
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Inventors:
ARAI YOSHIKAZU (JP)
KURAMOTO HIROKI (JP)
NISHIZAWA SHOHEI (JP)
KURAMOTO HIROKI (JP)
NISHIZAWA SHOHEI (JP)
Application Number:
PCT/JP2021/021047
Publication Date:
December 09, 2021
Filing Date:
June 02, 2021
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
International Classes:
G03F7/004; G03F7/039; H01L51/50; H05B33/02; H05B33/12; H05B33/22
Foreign References:
JP2014010382A | 2014-01-20 | |||
JP2019202974A | 2019-11-28 | |||
JP2020037544A | 2020-03-12 | |||
JP2015018131A | 2015-01-29 | |||
JP2008102277A | 2008-05-01 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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