Display device having combined display-panel unit
US6621471B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2000 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Jan 9, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K2360/27
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A display device is comprised of a main display panel, a transparent display panel that is disposed to cover the first display panel, and a control unit. The main display panel indicates a first information pattern, the transparent display panel indicates a second information pattern, and the control unit controls relative visibility of the main and transparent display panels to selectively indicate the first and second information patterns according to various vehicle conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.