Display device
US12154915B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2019 |
| Grant date | Nov 26, 2024 |
| Priority date | — |
| Expiry date | Mar 3, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A display device includes: a first gate insulating film; a first interlayer insulating film; a lower metal layer; an oxide semiconductor layer; a second gate insulating film; a second gate electrode; a second interlayer insulating film; and an upper metal layer being sequentially provided on a substrate, wherein the oxide semiconductor layer includes a second channel region and a second conductor region, the second gate insulating film is disposed in alignment with the second gate electrode, a first contact hole is provided in the first gate insulating film and the first interlayer insulating film, the lower metal layer includes a second conductor connection wiring line, a protection layer having an island shape is provided between the second conductor region and the second interlayer insulating film, a second contact hole exposing the second conductor connection wiring line is provided in the protection layer and the second interlayer insulating film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.