Lighted keyboard
US8404984B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 25, 2010 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | Sep 27, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2219/037
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighted keyboard includes transparent, rectangular keys each comprising a bottom stem; scissors shaped structures disposed under the keys, each scissors shaped structure being aligned with the stem and comprising a first frame and a second frame pivotally secured together; an OLED sheet disposed under the scissors shaped structures and comprising units each including a hole; an optically transmissive rubber plate disposed under the OLED sheet and comprising units each including a resilient dome passing through the hole of the unit of the OLED sheet, the resilient dome having a conductive shaft aligned with the stem; a membrane circuit board disposed under the rubber plate and comprising a plurality of contacts each aligned with the conductive shaft; and a rectangular aluminum plate disposed under the membrane circuit board and comprising units each including snapping grooves and a slide guide groove secured to the scissors shaped structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.