Electrophoretic display device using photo sensor
US8564567B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 2, 2009 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Nov 3, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/16757
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure relates to a touch-type electrophoretic display device using a photo sensor, and the construction thereof may be configured by including a display substrate including a switching element connected to a gate line and a data line intersected with the gate line, a pixel electrode electrically connected to the switching element, and a first and a second photo sensor elements having a different channel width and length, the first and the second photo sensor elements being connected to the gate line and the data line for sensing an amount of light; and an electrophoretic film including charged particles, the electrophoretic film being coupled to the display substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.