Portable display device
US10477716B2 · kind B2 · utility
1Cited by
12References
3Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 20, 2014 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Jun 20, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/16
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A portable display device includes a display element provided with a main screen thereon, the portable display device further includes a secondary screen capable of being incorporated with the main screen. By providing a secondary screen, a display region of the portable display device can be extended as required, thereby allowing to run more applications to satisfy user's demands. And at the same time, the drawing structure can extend the display region in a convenient and steady manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.