Spatially combined waveforms for electrophoretic displays
US8576164B2 · kind B2 · utility
105Cited by
38References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2010 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Jan 15, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0252
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention is directed to a driving method for compensating the response speed change of an electrophoretic display due to temperature variation, photo-degradation or aging of the display device, without a complex structure (e.g., use of sensors). This is accomplished by combining two waveforms, one of which causes the grey level to become dimmer and the other waveform causes the grey level to become brighter, as the response speed degrades.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.