LCD having stacked color filter spacers in which some spacers are continuous with a color filter layer and others are not
US6147729A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1997 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Oct 28, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133514
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color filter substrate and a liquid crystal display device having high opening ratio and capable of preventing unsatisfactory display as far as possible are provided. The color filter substrate used for the liquid crystal display device comprises a substrate portion, a color filter portion composed of colored layers of plural colors disposed on the substrate portion, a first spacer portion caused to be of a structure such that colored layers of at least two different colors of the colored layers of the plural colors are stacked on the substrate portion and one colored layer of the stacked colored layers and the colored layer of the same color as that of the one colored layer of the color filter portion are continuous with each other, and a second spacer portion caused to be of a structure such that the colored layers of at least two different colors of the colored layers of the plural colors are stacked on the substrate portion and all of the stacked colored layers are discontinuous with respect to any one of the colored layers constituting the color filter portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.