Keyboard device and backlight module thereof
US11371676B2 · kind B2 · utility
11Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2021 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Feb 28, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2219/062
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A keyboard device and a backlight module of the keyboard device are provided. The keyboard device includes a casing, the backlight module, a keyboard module and an expansion module. The backlight module includes a main body region and an extension region. The main body region and the extension region are connected with each other. A first light beam is outputted from the main body region to plural keys of the keyboard device. A second light beam is outputted from the extension region to the expansion module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.