Coloring material, coloring material for color filter, display device and liquid crystal display device
US6444376B1 · kind B1 · utility
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15Claims
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Key dates
| Filing date | Mar 24, 2000 |
| Grant date | Sep 3, 2002 |
| Priority date | — |
| Expiry date | Mar 24, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B1/585
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a coloring material, comprising a plurality of organic basic skeletons each performing an acceptor function, and a donor substituent serving to connect two organic basic skeletons, wherein color is developed by the intramolecular electron migration between the substituent and the basic skeleton.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.