Coloring composition, cured film, color filter, method of manufacturing color filter, solid image pickup element, and image display apparatus
US10444625B2 · kind B2 · utility
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23Claims
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Key dates
| Filing date | Feb 8, 2017 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Nov 25, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/8053
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The coloring composition includes a curable compound and a colorant represented by (D-L1-Y—X—)n—R1—(R2)m; R1 represents a (m+n)-valent linking group, X represents —C(═O)O—, Y represents an alkylene group, L1 represents a single bond or a divalent linking group, D represents a colorant structure. R2 represents a monovalent substituent, m represents an integer of 1 to 13, n represents an integer of 2 to 14, m+n represents an integer of 3 to 15, L1 (in a case where L1 represents a single bond, D) and X are separated by Y by a distance of three or more carbon atoms, and at least one of D, L1, R1, R2, X, or Y has an acid group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.