Display driving circuit comprising protection circuit
US11205362B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2019 |
| Grant date | Dec 21, 2021 |
| Priority date | — |
| Expiry date | Feb 22, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D89/811
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is disclosed an electronic device including a display panel including one or more pixels, one or more gate drivers receiving electric power from a first power supply, and a display driver integrated circuit configured to drive the display panel. Any one of the one or more gate drivers is connected to a first pixel of the one or more pixels, the display driver integrated circuit includes one or more source drivers including a first source driver and at least one protection circuit connected to the first source driver, the first source driver includes one or more amplifier circuits receiving electric power from a second power supply different from the first power supply and connected to the first pixel, the at least one protection circuit is connected to a power input terminal of the one or more amplifier circuits, and at least a portion of the at least one protection circuit is branched between the second power supply and the power input terminal to be connected to a ground of the display driver integrated circuit. In addition to the above, various embodiments identified through the specification are possible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.