Touch panel and manufacturing method thereof
US11360624B2 · kind B2 · utility
0Cited by
2References
17Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 8, 2018 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Feb 17, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2017/9602
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A touch panel may include a transparent substrate and a light blocking layer in a touch area and on a side of the transparent substrate. The light blocking layer may include a keyboard pattern, and the keyboard pattern may include hollow characters. The light blocking layer may be configured to display the characters of the keyboard pattern on the light blocking layer by light passing through the hollow characters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.