Method and apparatus for compensating data voltages for liquid crystal display panel
US10884270B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 29, 2018 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Sep 13, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0693
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method for determining compensating data voltages for a liquid crystal display panel. The liquid crystal display panel includes a liquid crystal cell defined by a first substrate and a second substrate arranged opposite to each other. The liquid crystal cell has non-uniform cell gaps across the cell. The method includes: measuring a capacitance distribution across the liquid crystal cell; determining a cell gap distribution across the cell based on the capacitance distribution; and deriving, from the cell gap distribution, respective compensation voltages for different data voltages for each of different regions of the liquid crystal cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.