Reflective four-in-one light-emitting key core module
US11966073B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2022 |
| Grant date | Apr 23, 2024 |
| Priority date | — |
| Expiry date | Dec 15, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2219/062
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A reflective four-in-one light-emitting key core module, wherein an insulating layer is arranged on a support structure, a circuit layer is arranged on the insulating layer, a spacer layer is arranged above the insulating layer, a first through hole is opened in the spacer layer at a position corresponding to the keycap, an elastic conducting member is arranged at the position corresponding to the first through hole, a light-guiding film is arranged above the spacer layer, a conductive sheet is fixedly arranged at a position corresponding to the elastic conducting member, light-guiding mesh points are provided on the light-guiding film, a LED light is arranged on the circuit layer and corresponding to the keycap, a second through hole is opened on the spacer layer corresponding to a position of the LED light, a third through hole is opened on the light-guiding film at a position corresponding to the LED light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.