Pigment dispersion composition, display apparatus, and method of manufacturing the apparatus
US5898263A · kind A · utility
6Cited by
5References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 13, 1997 |
| Grant date | Apr 27, 1999 |
| Priority date | — |
| Expiry date | Nov 13, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2229/8916
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The pigment dispersion composition having a good dispersibility, a good transparence and an anti-coating properties, which contains 0.5 to 50 parts by weight of an inorganic pigment, at least one type of dispersant selected from the group consisting of a sodium salt, an ammonium salt and an amine salt of an acrylic resin, an acryl copolymer resin, a polycarbonic acid, a condensation product of aromatic formalin sulfonate, and water or a solvent miscible with water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.