Lighting keyboard, backlight module and lighting substrate
US11977250B2 · kind B2 · utility
1Cited by
26References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2023 |
| Grant date | May 7, 2024 |
| Priority date | — |
| Expiry date | Mar 30, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2219/062
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting keyboard includes a backlight module and at least one keyswitch. The backlight module includes a lighting substrate and a protruding structure. The lighting substrate includes two non-intersecting traces and a light emitting unit. The light emitting unit is connected between the two non-intersecting traces. A position of the protruding structure corresponds to a position of the light emitting unit and the protruding structure is located between the two non-intersecting traces. The at least one keyswitch is disposed on the backlight module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.