Backlight brightness adjustment method and device for adjusting brightness at backlight splicing positions
US12300187B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Jan 10, 2023 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Jan 10, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A backlight brightness adjustment method, device, and system, and a storage medium. The adjustment method comprises: calculating a light mixing distance of a backlight module and a horizontal spacing and a vertical spacing between a plurality of lamp panels; calculating a first brightness value according to the horizontal spacing and the light mixing distance, and calculating a second brightness value according to the vertical spacing and the light mixing distance; and adjusting the brightness at splicing positions of the plurality of lamp panels according to the first brightness value and/or the second brightness value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.