Driving method and driving device for improving contrast of OLED image
US10497314B2 · kind B2 · utility
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5References
10Claims
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Key dates
| Filing date | Dec 21, 2016 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Jul 6, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are a driving method and a driving device for improving a contrast of an OLED image. The driving method includes steps of dividing an OLED display panel into a plurality of partitions, calculating an average pixel level of one frame of image to be displayed corresponding to each partition, determining, based on the average pixel level, a preset value of a discharge reference voltage, and regulating the discharge reference voltage applied to pixel driving circuits in the partition to the preset value. The driving method can significantly improve the contrast of the OLED image during display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.