Display device and operation method of back light module
US11501723B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2021 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Mar 16, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2340/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An operation method of a backlight module is disclosed. The operation method includes: determining whether a first video synchronization signal is received; in response to a determination that the first video synchronization signal is received, activating a counter, and controlling the backlight module to emit light a specific number of times at a first brightness for a first time period; determining whether the counter is timeout and a second video synchronization signal is not received; and in response to a determination that the counter is timeout and the second video synchronization signal is not received, controlling the backlight module to switch between lighting and not lighting multiple times within a second time period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.