Patent · US Active

Three-phase line control in a display apparatus

US9449563B2 · kind B2 · utility

1Cited by
1References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 2014
Grant dateSep 20, 2016
Priority date
Expiry dateSep 3, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/066
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A display apparatus includes an electrowetting display device having at least one picture element with a display area. The display area has an active area and a different, inactive area and a display controller controls a display effect of the picture element in a range between a dark state and a light state, with a three-phase line between a first fluid, a second fluid and a first support plate of the picture element being completely in the inactive area for a first applied voltage corresponding to the dark state.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.