Display device and method for manufacturing display device
US9099359B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2012 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Jul 31, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10D86/451
Abstract
A display device includes an electrode layer formed at a predetermined position on a substrate, an insulating film having a through-hole formed on the top of the electrode layer, and a wiring film connected to the electrode layer via the through-hole formed in the insulating film. Based on a surface of the substrate, the through-hole includes a first taper portion having a first taper angle, a second taper portion formed higher than the first taper portion and having a second taper angle different from the first taper angle, and a third taper portion formed higher than the second taper portion and having a third taper angle different from the second taper angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.