Color correction methods for electronic displays
US6243059A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 1996 |
| Grant date | Jun 5, 2001 |
| Priority date | — |
| Expiry date | May 14, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S345/903
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention features methods and apparatus for the correction of spatial non-uniformities in color only, and color and brightness combined, that arise from materials, manufacturing, and operational variations in tiled, color flat-panel displays. Such uniformities can introduce gradual or abrupt color and brightness variations in monolithic and tiled displays. Correction methods are based on control of the manufacturing and assembly process, and/or remapping of the colors of the display to match uniformity requirements of the average human observer. Correction methods can be implemented using serial and parallel versions using electronic circuits commonly used in video signal processing. Apparatus for a self-calibration method are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.