Organic light emitting display apparatus
US9741957B2 · kind B2 · utility
2Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2016 |
| Grant date | Aug 22, 2017 |
| Priority date | — |
| Expiry date | Jun 29, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
Abstract
Disclosed is an organic light emitting display (OLED) apparatus which facilitates to lower a driving voltage and to improve a lifespan by optimizing a balance of electrons and holes among a plurality of stacks, wherein the OLED apparatus may include the plurality of stacks disposed between an anode and a cathode, and a plurality of charge generation layers for supplying charges to the plurality of stacks, wherein a thickness of the charge generation layer disposed relatively close to the anode is relatively larger than a thickness of the charge generation layer disposed relatively close to the cathode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.