Liquid crystal display device and color filter for liquid crystal display device
US8269921B2 · kind B2 · utility
3Cited by
0References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 7, 2010 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Aug 20, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/134363
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal display device which includes a backlight device provided with an LED, and a color filter having colored layers of plural colors including a green layer, wherein the green layer of the color filter contains brominated zinc phthalocyanine green pigment and a dielectric loss tangent of the green layer at a driving frequency of a liquid crystal display device is confined to not more than 0.02.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.