Drive circuit and display device
US11361691B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 20, 2021 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | May 20, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A drive circuit and a display device are provided. A detection diode is included in a drive chip of the drive circuit. An acquisition circuit may acquire an electrical signal related to a voltage across the detection diode and a current flowing through the detection diode. A detection circuit may obtain an internal temperature of the drive chip based on the electrical signal acquired by the acquisition circuit. A control circuit may control the drive chip based on the internal temperature of the drive chip obtained by the detection circuit. When the detecting circuit detects that the internal temperature of the drive chip is greater than a maximum threshold temperature or less than a minimum threshold temperature, the acquisition circuit controls the drive chip to stop outputting a drive signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.