Electrophoresis display device
US8243046B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2009 |
| Grant date | Aug 14, 2012 |
| Priority date | — |
| Expiry date | Nov 5, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13338
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electrophoresis display device adapted to prevent sensing errors and to reduce electric power consumption is disclosed. The electrophoresis display device includes a thin film transistor array substrate and an ink film. The thin film transistor array substrate includes a sensor configured to generate a sensing signal, and an output transistor configured to be connected to the sensor and to control the output of the sensing signal. The ink film includes a common electrode and an ink layer, which are formed on one side surface of a base film, and a floating electrode formed on the other side surface of the base film. The output transistor outputs the sensing signal when a touch current is generated on the floating electrode. The electrophoresis display device only outputs the sensing signal when a substantial touch occurs. Therefore, the electrophoresis display device can prevent sensing errors and reduce electric power consumption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.