Organic light emitting diode
US11088341B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2020 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Jun 16, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/3026
Abstract
According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 Å to about 140 Å.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.