Title:
ブラックマトリックス用着色組成物およびカラーフィルタ
Document Type and Number:
Japanese Patent JP7308700
Kind Code:
B2
Abstract:
[Problem] To provide a coloring composition which is for a black matrix, and has high dispersion performance of a coloring material and a small amount of formaldehyde generated over time. [Solution] This coloring composition for a black matrix is characterized by containing a coloring material, a dispersant, a dispersion medium, and phosphite, wherein the phosphite is a compound represented by general formula (5). [In general formula (5), R51 represents a C1-C20 alkyl group. R52 and R53 each independently represent a hydrocarbon group. R52 and R53 may be bonded to each other to form a cyclic structure. The compounds represented by general formula (5) may be bonded to each other at R52 or R53 to form a dimer or a trimer.]
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Inventors:
Tatsuhiko Shimizu
Chiaki Inoue
Yasuto Tsuji
Tomohiro Nabeta
Chiaki Inoue
Yasuto Tsuji
Tomohiro Nabeta
Application Number:
JP2019162998A
Publication Date:
July 14, 2023
Filing Date:
September 06, 2019
Export Citation:
Assignee:
Otsuka Chemical Co., Ltd.
Sakata Inx Co., Ltd.
Sakata Inx Co., Ltd.
International Classes:
G02B5/20; G03F7/004
Domestic Patent References:
| JP2019086743A | ||||
| JP2015532667A | ||||
| JP2015508405A | ||||
| JP2012083735A |
Foreign References:
| WO2009078407A1 |
Attorney, Agent or Firm:
Osamu Futakuchi
Hideyuki Haratani
Hideyuki Haratani