Display device having a charge generation layer
US11227905B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2019 |
| Grant date | Jan 18, 2022 |
| Priority date | — |
| Expiry date | Dec 2, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/38
Abstract
A display device is disclosed, which is capable of preventing a leakage current between neighboring pixels. The display device includes a substrate including a first sub pixel and a second sub pixel, first electrodes patterned in the respective first and second sub pixel on the substrate, a bankwall provided between the first electrodes, a bank provided to cover an end of the first electrode and configured to expose some portions of the first electrode, an emission layer provided on the bankwall and the bank, and configured to include a first stack, a second stack, and a charge generation layer disposed between the first stack and the second stack, and a second electrode provided on the emission layer, wherein the emission layer includes a disconnected area in which the charge generation layer is disconnectedly provided by the bankwall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.