Organic electroluminescent element and organic electroluminescent display panel which emits light from the cathode side
US10109814B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Aug 10, 2017 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Aug 10, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
Abstract
The organic electroluminescent element of the present invention includes, in the given order: an anode; a light-emitting layer; and a cathode, the light-emitting layer including a luminescent dopant layer and a luminescent host layer, the luminescent dopant layer containing a luminescent dopant material and substantially no luminescent host material, the luminescent host layer containing a luminescent host material and substantially no luminescent dopant material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.