Color filter and light-emitting display element
US8541935B2 · kind B2 · utility
1Cited by
0References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 6, 2010 |
| Grant date | Sep 24, 2013 |
| Priority date | — |
| Expiry date | Sep 6, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/346
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color filter for use in a light-emitting display element which emits at least white light, the color filter including a circularly polarizing layer which includes a polarizing layer, the polarizing layer having an orientation layer and a liquid crystal compound layer, wherein the circularly polarizing layer is formed only in an optical path of the white light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.