Touch display device
US11893179B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 5, 2021 |
| Grant date | Feb 6, 2024 |
| Priority date | — |
| Expiry date | Nov 5, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/04107
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch display device, relating to the technical field of display, and capable of reducing interference between signals and reducing production costs. The touch display device comprises a touch display module, a flexible printed board, and a touch chip. The flexible printed board is electrically connected to the touch display module, and comprises a first flexible substrate, a first metal pattern layer, a second metal pattern layer, and a metal shielding layer. The first metal pattern layer comprises a plurality of first touch wires. The second metal pattern layer comprises a plurality of data wires. The metal shielding layer is located between the first flexible substrate and the first metal pattern layer. A ratio of the longitudinal length of the metal shielding layer to the longitudinal length of the flexible printed board ranges from 20% to 40%. A vertical projection of the first metal pattern layer on the first flexible substrate and a vertical projection of the second metal pattern layer on the first flexible substrate have an overlapping region; and a vertical projection of the metal shielding layer on the first flexible substrate at least covers the overlapping region. The…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.