Organic light emitting diode display
US8575598B2 · kind B2 · utility
1Cited by
4References
13Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 21, 2010 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Apr 8, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/3026
Abstract
An organic light emitting diode display that includes a first electrode arranged on a substrate, an organic emission layer arranged on the first electrode and a second electrode arranged on the organic emission layer, the first electrode includes a first layer, a second layer and a third layer stacked sequentially on the organic emission layer, the second layer has a lower work function than the third. Here, the second layer has a higher work function than that of the third layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.