Active matrix substrate and liquid crystal display device with touch sensor
US11079643B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2020 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Jun 3, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0443
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An active matrix substrate includes: a source metal layer including a plurality of source bus lines; a lower insulating layer covering the source metal layer; a oxide semiconductor TFT including an oxide semiconductor layer provided on the lower insulating layer; an inter-layer insulating layer covering the oxide semiconductor TFT; a pixel electrode provided on the inter-layer insulating layer; a common electrode including a plurality of sub common electrodes each of which is capable of functioning as a touch sensor electrode; a gate metal layer including a plurality of gate bus lines and a gate electrode; a drain metal layer including the drain electrode; and a plurality of touch sensor lines included in the drain metal layer and each electrically connected to any one of the sub common electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.