Display device and portable terminal apparatus
US7197338B2 · kind B2 · utility
8Cited by
9References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 18, 2003 |
| Grant date | Mar 27, 2007 |
| Priority date | — |
| Expiry date | Jul 2, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A display device includes a main LCD, a sub LCD, and a backlight. The main LCD displays information. The sub LCD is arranged to make its rear surface oppose that of the main LCD to display information different from that of the main LCD. The backlight illuminates the main LCD and sub LCD. A portable terminal apparatus is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.