Backlight module, control method therefor and display device, driving method therefor
US11341926B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Apr 25, 2018 |
| Grant date | May 24, 2022 |
| Priority date | — |
| Expiry date | Jan 24, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0626
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are a backlight module, a control method therefor and a display device, a driving method therefor. A backlight source is divided into light-emitting areas, and a current control circuit for driving the light-emitting area to emit light is configured for each light-emitting area. The light-emitting areas in the backlight module are arranged in one-to-one correspondence to the current control circuits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.