Display for multi-function key pad and electronic device having the same
US8169408B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2008 |
| Grant date | May 1, 2012 |
| Priority date | — |
| Expiry date | Feb 18, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/23
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a display for a multi-function key pad and an electronic device having the display that have both input and output functions. The display for the multi-function key pad includes an electrophoretic display panel provided with a plurality of display regions arranged in a matrix form with having a non-display region as a boundary, a circuit board provided on the display panel and including a plurality of openings formed on regions corresponding to the display regions and a plurality of keys formed on regions that are outer circumference edges of the openings and correspond to the non-display region, and a pad provided on the circuit board and including a plurality of transparent windows formed on regions corresponding to the openings and a plurality of pressing units formed on regions that are outer circumference edges of the transparent windows and correspond to the keys.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.