Backlight keyboard and structure thereof
US9176272B2 · kind B2 · utility
2Cited by
4References
13Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Feb 5, 2014 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | Jul 17, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2219/062
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight keyboard structure includes a light guide plate, a base plate and a keyboard frame. The keyboard frame comprising a fixing portion. The base plate is adjacent to one side of the light guide plate and disposed between the keyboard frame and the light guide plate. The base plate has a through hole corresponding to the fixing portion. The base plate has an indentation portion surrounding the through hole and disposed between the light guide plate and the through hole for shielding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.