Drive backboard, manufacturing method thereof, display panel and display device
US11569270B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Mar 19, 2020 |
| Grant date | Jan 31, 2023 |
| Priority date | — |
| Expiry date | May 21, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/0364
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A drive backboard, a manufacturing method thereof, a display panel and a display device are provided. The drive backboard includes a plurality of pixel units and a plurality of spare electrode groups. Each pixel unit includes m subpixel units, and m is a positive integer greater than or equal to 2. Each spare electrode group includes two first spare electrodes and one second spare electrode; two adjacent ith subpixel units respectively use one first spare electrode in each spare electrode group and share one second spare electrode in each spare electrode group, where i is a positive integer from 1 to m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.