Driving backplate and display device
US11670222B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 29, 2021 |
| Grant date | Jun 6, 2023 |
| Priority date | — |
| Expiry date | Sep 29, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/028
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The disclosure provides a driving backplate and a display device. The driving backplate includes a substrate having a plurality of light source regions where light sources are disposed, the plurality of light source regions being arranged in an array; and a plurality of control chips arranged in an array on the substrate, the plurality of control chips being in one-to-one correspondence with the plurality of light source regions and each configured to provide a driving signal to the light source in a corresponding light source region, wherein each column of control chips is divided into at least two groups, each group of control chips are coupled in series through a same signal line, and the at least two groups of control chips are coupled in parallel with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.