Digital control driving method and driving display device
US10607550B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2018 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Sep 14, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/045
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital control driving method and a driving display device are disclosed. In the method, dividing an image frame into K sub-frames by a hit using a digital control method is adopted. Wherein in one frame period of the image frame, an occupied time of each K sub-frame is the same, and driving times of the K sub-frames are different. The K sub-frames are driven to display on the display panel in a special transmission mode within one frame time of the image frame. The transmission voltage value has only two values, corresponding to the light emission and non-emission of the pixel points on the display panel. The source driver IC only output two grayscale voltages so as to effectively avoid a drift of the Vth of the driving TFT such that an entire brightness of the AMOLED panel is even to improve the display quality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.