Patterned organic light emitting diode (OLED) with enhanced light extraction
US10741784B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2017 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Apr 5, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/858
Abstract
An organic light emitting diode (OLED) incorporating an enhanced light extraction apparatus in the transparent conductive oxide layer is disclosed. The apparatus for light extraction may comprise a transparent substrate, a transparent electrode comprising one or more discontinuities, and an organic light emitting material stack. The transparent electrode may be disposed on the transparent substrate and comprise a series of features or discontinuities that enhance light extraction improve energy efficiency in the OLED device. The discontinuities may be discrete or continuous and may interrupt the conductivity of the transparent conductive oxide layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.