Patent · US Active

Backlight, control method for backlight, and display device

US11109462B2 · kind B2 · utility

0Cited by
1References
13Claims
0Family size

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Inventors

Key dates

Filing dateMay 13, 2019
Grant dateAug 31, 2021
Priority date
Expiry dateMay 13, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2330/021
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A backlight, a control method of the backlight, and a display device are provided. The backlight includes a plurality of light-emitting modules arranged in an array. Each of the light-emitting modules includes a light-emitting unit and a control circuit. The control circuit includes n branches, a controller, and a current module. Each branch of the n branches is connected in series with the light-emitting unit and the current module. Each branch is provided with a switch, and the controller is separately connected to the switch on each branch.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.