Active matrix type liquid crystal display and liquid crystal material
US7826022B2 · kind B2 · utility
9Cited by
10References
4Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 20, 2009 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | Apr 20, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An active matrix liquid crystal display device is provided, in which an after image remaining after removing an application of a direct current voltage is suppressed. The active matrix liquid crystal display device has a liquid crystal layer containing a liquid crystal molecule having negative dielectric anisotropy and a dopant having a dissociative group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.