Title:
LIGHT-SHIELDING PIGMENT COMPOSITION, AND LIGHT-SHIELDING MEMBER FOR DISPLAY
Document Type and Number:
WIPO Patent Application WO/2018/186181
Kind Code:
A1
Abstract:
A purpose of the present invention is to provide a light-shielding pigment composition having high optical density and high light exposure sensitivity. In addition, another purpose of the present invention is to provide a light-shielding member which is for a display and comprises said light-shielding pigment composition. The purposes above are achieved by providing a light-shielding pigment composition containing two or more organic pigments, the light-shielding pigment composition being characterized by containing, as an organic pigment, at least an organic pigment (A) represented by general formula (1) (in general formula (1), R1-R6 are each independently a hydrogen atom, a halogen atom, a nitro group, an alkoxy group which may have a substituent, an amino group which may have a substituent, a sulfonyl group which may have a substituent, a carboxyl group which may have a substituent, or a monovalent hydrocarbon group which may have a substituent).
Inventors:
SUZUKI KAZUSHI (JP)
OGIHARA TAKAO (JP)
OGIHARA TAKAO (JP)
Application Number:
PCT/JP2018/011310
Publication Date:
October 11, 2018
Filing Date:
March 22, 2018
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C09D17/00; C09B67/20; C09B67/22; G02B5/20; G02F1/1335
Domestic Patent References:
| WO2015015961A1 | 2015-02-05 | |||
| WO2018051877A1 | 2018-03-22 |
Foreign References:
| JP2006160981A | 2006-06-22 | |||
| JPS5197633A | 1976-08-27 | |||
| JPS62157041A | 1987-07-13 | |||
| JP2001513119A | 2001-08-28 | |||
| JP2011214010A | 2011-10-27 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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