Organic light emitting diode display device
US10297644B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2017 |
| Grant date | May 21, 2019 |
| Priority date | — |
| Expiry date | Sep 11, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An OLED display device includes a substrate including red, green, and blue pixel areas, a first electrode at each of the red pixel area, the green pixel area, and the blue pixel area on the substrate, a hole transport layer on the first electrode, a light emission portion on the hole transport layer, the light emission portion including a red light emitting layer at the red pixel area, a green light emitting layer at the green pixel area, and a blue light emitting layer at the blue pixel area, a first charge generation layer and a first resonance auxiliary layer between the hole transport layer and the blue light emitting layer, a second resonance auxiliary layer between the hole transport layer and the red light emitting layer, an electron transport layer on the light emission portion, and a second electrode on the electron transport layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.