Display apparatus and image pickup apparatus
US8816337B2 · kind B2 · utility
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14Claims
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Assignee
Inventor
Key dates
| Filing date | Aug 27, 2012 |
| Grant date | Aug 26, 2014 |
| Priority date | — |
| Expiry date | Nov 6, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/30
Abstract
A first light-emitting layer of a first organic electroluminescent element is disposed in common to a second organic electroluminescent element, a second light-emitting layer of the second organic electroluminescent element is disposed in contact with the first light-emitting layer and in the cathode side, and the first light-emitting layer contains a host material and an assist dopant material to transport holes to the second light-emitting layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.