Backlight module, display panel and display device
US11094292B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 12, 2020 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Mar 12, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/06
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present application provide a backlight module, a display panel and a display device. The backlight module includes a metal backplate, a control unit, and a switch, a metal backplate is applied with a coupling voltage under an electric field coupling action, the switch includes a control terminal, a first terminal and a second terminal, the first terminal is electrically connected with the metal backplate, and a second terminal is grounded, the control unit is electrically connected with the metal backplate and the control terminal of the switch, respectively, the control unit controls whether the switch is turned on or turned off depending on a value of the coupling voltage, and the control unit controls whether the metal backplate is grounded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.