Method for correcting defect in color filter
US5531881A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1995 |
| Grant date | Jul 2, 1996 |
| Priority date | — |
| Expiry date | Mar 27, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/201
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a simple correction method of defects in color layer, which occur in production of color filter. The method does not have the problems associated with the conventional correction methods. The present invention provides a method for correcting defects in a color filter, comprising: (a) forming an electrodeposited film having certain color by means of electrodeposition method on defect portions of a color filter which comprises a transparent substrate, a transparent electrode formed on at least a portion of the transparent substrate and a color layer having a color pattern formed thereon, wherein the color layer has defect portions that formation of the color layer is incomplete, and (b) curing the electrodeposited film with heat or ultraviolet light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.