Three-phase line control in a display apparatus
US9449563B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2014 |
| Grant date | Sep 20, 2016 |
| Priority date | — |
| Expiry date | Sep 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.