Illuminated keyboard structures
US10347443B1 · kind B1 · utility
13Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 2017 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | May 25, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2227/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Embodiments are directed to a backlight integrated membrane for a keyboard. In one aspect, an embodiment includes a keyboard having a key cap. A feature plate may be positioned below the key cap and a membrane may be positioned below the feature plate. The membrane may include a transparent substrate optically coupled to a light emitting element. The membrane may also include electrical traces for a key switch disposed on the transparent substrate. The embodiment may further include a domed structure positioned on the membrane and configured to actuate the key switch when depressed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.