Color filter substrate and liquid crystal display device including the same
US9151992B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 26, 2012 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | May 23, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13396
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color filter substrate includes a substrate in which a plurality of pixel areas are defined; a black matrix formed on the substrate, and having a plurality of openings in correspondence to the pixel areas; a color filter layer formed on the substrate, and including a red color filter, a green color filter, and a blue color filter that are sequentially arranged in a first direction in correspondence to the pixel areas; and a plurality of first column spacers and a plurality of second column spacers formed over the black matrix, and having different heights, wherein a height of each of the first column spacers is higher than a height of each of the second column spacers, and an arrangement density of the first column spacers is lower than an arrangement density of the second column spacers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.