Luminous keyboard
US10332701B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2018 |
| Grant date | Jun 25, 2019 |
| Priority date | — |
| Expiry date | Jan 9, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2219/058
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a luminous keyboard, including: at least one key cap; a support plate; a support component, connected to the key cap and the support plate and capable of guiding the key cap to vertically move relative to the support plate; a thin film circuit board, disposed on the support plate; at least one light emitting component, configured to emit a light ray to the key cap; and a shield, covering the light emitting component, where there is a gap between the shield and the light emitting component, and the shield is provided with a diffraction grating at a position where the light ray passes through the shield.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.