Alignment and flattening material compositions, display device comprising same and process for adjusting display color
US9499746B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 17, 2013 |
| Grant date | Nov 22, 2016 |
| Priority date | — |
| Expiry date | Mar 16, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133788
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An alignment material composition, a flattening material composition, a liquid crystal display device and a process for adjusting the display color of the liquid crystal display device. The alignment material composition or the flattening material composition each includes 0.5-20 wt % of an organic additive, which is one or more of spiropyran compounds, Schiff base compounds, and heterocyclic diarylethene compounds. By way of adding the aforesaid organic additive in the orientation layer or the flat layer of the liquid crystal display device, the display color is allowed to be adjusted in a broad color range without affecting other display performances of the liquid crystal display device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.