White organic light emitting device
US8963127B2 · kind B2 · utility
162Cited by
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9Claims
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Key dates
| Filing date | Oct 22, 2010 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | May 15, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
Abstract
A white organic light emitting device having a dual stack structure is disclosed, in which an electron transport layer adjacent to a blue light emitting layer includes an electron transport catalyst layer including metal to improve blue light emitting efficiency, and a greenish yellow dopant is used to improve white display efficiency, increase lifespan, and reduce power consumption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.