Organic light-emitting display panel and organic light-emitting display device with electron transport layers
US10847740B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2018 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Nov 17, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/35
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An organic light-emitting display panel includes an array substrate, a plurality of driving elements in the array substrate, and an organic light-emitting component corresponding to the driving elements, where the organic light-emitting component includes an anode, a cathode, and an organic functional layer between the anode and the cathode, the organic functional layer includes a light-emitting layer and a first electron transport layer between the light-emitting layer and the cathode, the organic light-emitting device includes a first organic light-emitting part containing a first color light-emitting layer, a second organic light-emitting part containing a second color light-emitting layer, and a third organic light-emitting part containing a third color light-emitting layer, a second electron transport layer is disposed between the first color light-emitting layer and the cathode, and a first and a second hole transport layers are disposed between the anode and the second and the third color light-emitting layers, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.