Photo sensor and display device having the same
US10134800B2 · kind B2 · utility
1Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2017 |
| Grant date | Nov 20, 2018 |
| Priority date | — |
| Expiry date | Nov 7, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/198
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed herein is a photo sensor comprising a first thin film transistor (TFT) configured to convert light energy to electric energy; a storage capacitor having a first electrode and a second electrode configured to face to each other, and storing the electric energy from the first TFT as charge; and a second TFT configured to output the charge stored in the storage capacitor according to a control signal, wherein a first gate electrode of the first TFT, a first electrode of the storage capacitor and a second gate electrode of the second TFT are integrally formed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.