Method of manufacturing black column spacer, black column spacer, and color filter
US9170486B2 · kind B2 · utility
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2References
20Claims
0Family size
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Key dates
| Filing date | Jun 16, 2014 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | Jun 16, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed are a method of manufacturing a black column spacer that includes preparing a substrate; forming a first organic layer on the substrate; forming a second organic layer on the first organic layer; performing exposure on the substrate on which the first organic layer and the second organic layer are formed using a half-tone mask; and developing the substrate and curing the resultant product, a black column spacer manufactured using the manufacturing method, and a color filter including the black column spacer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.