Color filter and color display device using same
US8934184B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 29, 2012 |
| Grant date | Jan 13, 2015 |
| Priority date | — |
| Expiry date | Jul 19, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2201/52
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color filter includes a substrate and a plurality of pixel units. The substrate defines a plurality of pixel areas. Each pixel area has a plurality of first sub-pixel areas, and each first sub-pixel area has a first area and a second area. The pixel units are formed on the substrate corresponding to the pixel areas. Each pixel unit is disposed in a corresponding pixel area and includes a plurality of color subtractive filter films and a plurality of color additive filter films. The color subtractive filter films are disposed in the first areas of the first sub-pixel areas of the corresponding pixel area, and the color additive filter films are disposed in the second areas of the first sub-pixel areas of the corresponding pixel area. A color display device with the color filter is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.