Organic light emitting display device
US10937838B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2019 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Aug 2, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/87
Abstract
An OLED display device includes a substrate including a display region and a pad region, a display structure in the display region on the substrate, and a pad electrode structure in the pad region on the substrate, the pad electrode structure having a first pad electrode on the substrate, a first insulation layer covering opposite lateral portions of the first pad electrode and exposing a portion of an upper surface of the first pad electrode, a second pad electrode on the first pad electrode and on the first insulation layer, the second pad electrode having a step portion where the first pad electrode and the first insulation layer are overlapped, and a third pad electrode on the second pad electrode and on the first insulation layer, the third electrode covering the second pad electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.