Lightguide plate and electronic device
US7932890B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2008 |
| Grant date | Apr 26, 2011 |
| Priority date | — |
| Expiry date | Aug 6, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0088
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electronic device includes a casing having a display part (2) provided with an image display panel (1), a operation part (4) provided with operation keys (3), and a joint part (5) that connects together the display part and the operation part, and a lightguide plate (6) disposed in the casing. The lightguide plate is an edge-light type lightguide plate having a display illuminating part (6a) illuminating the image display panel, a key illuminating part (6b) illuminating the operation keys, and a connecting part (6c) that connects together the display illuminating part and the key illuminating part and that guides light therebetween. The lightguide plate is deformable in accordance with the deformation of the casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.