Color filters and methods of manufacturing the same
US5667888A · kind A · utility
13Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1996 |
| Grant date | Sep 16, 1997 |
| Priority date | — |
| Expiry date | Aug 26, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31612
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The composite layer according to the present invention comprises a substrate and a colored layer formed on the surface of this substrate. This colored layer contains a transparent layer and a coloring agent dispersed within the transparent layer, and this transparent layer is made of an inorganic gel or glass material, while the coloring agent contains dyes or pigments. The composite layers of the present invention are suitable for use in products such as construction materials with the appearance of marble, colored glass materials for decorative purposes, or color filters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.