Temperature compensation power circuit for display device
US10197838B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2017 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | Aug 15, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/026
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display device includes a display panel, a plurality of pixels arranged on the display panel, a data driver and a gate driver configured to apply a driving signal to the plurality of pixels, a timing controller configured to apply a control signal to the data driver and the gate driver, and store a plurality of driving voltage predetermined values for different temperatures, a temperature sensor configured to measure an ambient temperature, and a power management integrated circuit configured to adjust a driving voltage. The power management integrated circuit includes a controller configured to receive a driving voltage predetermined value among the plurality of driving voltage predetermined values from the timing controller using the measured ambient temperature, a plurality of storage banks configured to store the driving voltage predetermined value, and a power generator configured to output the driving voltage at the driving voltage predetermined value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.