Organic light emitting diode display including white light emitting diodes
US11456434B2 · kind B2 · utility
0Cited by
6References
20Claims
0Family size
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Key dates
| Filing date | Mar 26, 2019 |
| Grant date | Sep 27, 2022 |
| Priority date | — |
| Expiry date | Apr 18, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/27
Abstract
An organic light emitting diode display includes: a substrate; a first electrode on the substrate; a second electrode opposed to the first electrode; a first light emitting unit and a second light emitting unit between the first electrode and the second electrode; and a charge generation layer between the first light emitting unit and the second light emitting unit. The first light emitting unit includes a blue fluorescent light emitting layer. The second light emitting unit includes a blue light emitting layer and a yellow light emitting layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.