Organic light emitting display apparatus
US11716868B2 · kind B2 · utility
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2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2020 |
| Grant date | Aug 1, 2023 |
| Priority date | — |
| Expiry date | Jun 21, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/80518
Abstract
An organic light emitting display apparatus can include an insulating film disposed on a substrate, a first electrode disposed on the insulating film, an organic light emitting layer disposed on the first electrode, and a second electrode disposed on the organic light emitting layer, wherein the first electrode can be provided with a contact area that covers a contact hole passing through the insulating film, and a protrusion vertically protruded from an upper surface of the first electrode on a boundary surface of the contact hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.