Input assembly with a cover containing a touch-sensitive input surface and a luminous surface
US12026343B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2023 |
| Grant date | Jul 2, 2024 |
| Priority date | — |
| Expiry date | Jun 20, 2043 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2106/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to an input assembly, including: a cover having a touch-sensitive operating surface facing an operator and a rear surface facing away from the operator, wherein the operating surface contains a luminous surface; a support arranged on the side of the cover facing away from the operator; a light source arranged on the support to couple light into the cover via an entry surface, in order to backlight the luminous surface, wherein the cover is transparent in the region between the entry surface and the luminous surface; a transparent film layer structure arranged between the cover and the light source, with a conductive coating for forming an electrode for a capacitive touch sensor system; wherein the entry surface is formed by a recess in the rear surface of the cover, and wherein a ventilated hollow volume is formed between the film layer structure and the entry surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.