COLORING COMPOSITION FOR BLACK MATRIX, AND COLOR FILTER

Title:

COLORING COMPOSITION FOR BLACK MATRIX, AND COLOR FILTER

Document Type and Number:

WIPO Patent Application WO/2021/044860

Kind Code:

A1

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.]

More Like This:

JP3791953	NEW PHENOLSULFONIC ESTER AND ITS USE
JPWO2018179259	A photosensitive resin composition, a dry film using the same, a printed wiring board, and a method for manufacturing the printed wiring board.
JPH06180505	WIRING STRUCTURE AND ITS PRODUCTION

Inventors:

SHIMIZU TATSUHIKO (JP)
INOUE TOMOAKI (JP)
TSUJI YASUHITO (JP)
NABETA TOMOHIRO (JP)

Application Number:

PCT/JP2020/031448

Publication Date:

March 11, 2021

Filing Date:

August 20, 2020

Export Citation:

Click for automatic bibliography generation Help

Assignee:

OTSUKA CHEMICAL CO LTD (JP)
SAKATA INX CORP (JP)

International Classes:

G03F7/004; G02B5/20; G02F1/1335

Domestic Patent References:

WO2009078407A1

2009-06-25

Foreign References:

JP2019086743A	2019-06-06
JP2015532667A	2015-11-12
JP2015508405A	2015-03-19
JP2019171371A	2019-10-10

Attorney, Agent or Firm:

FUTAKUCHI Osamu (JP)

Download PDF:

View/Download PDF PDF Help

Previous Patent: ELECTROLYTE SOLUTION FOR SECONDARY BATTERIES, AND SECONDARY BATTERY

Next Patent: SYNCHRONIZATION-SIGNAL CONVERTING DEVICE