Patent · US Expired

Display device having combined display-panel unit

US6621471B1 · kind B1 · utility

35Cited by
7References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 2000
Grant dateSep 16, 2003
Priority date
Expiry dateJan 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.