Organic light emitting display device
US10043985B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 5, 2016 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Jul 28, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/19
Abstract
An organic light emitting display device is discussed. The organic light emitting display device can include at least two or more light emitting parts each including a light emitting layer and an electron transport layer; and a charge generation layer between the two or more light emitting parts and including an N-type charge generation layer, wherein the electron transport layer includes an electron transport compound including a functional group with high electron mobility, and the N-type charge generation layer includes a charge generation compound including a functional group for matching the energy level of the electron transport compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.