Organic light emitting device, crosslinking agent compound for organic light emitting device and manufacturing method of the organic light emitting device
US11780790B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jan 25, 2021 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Sep 16, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/171
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic light emitting device of an embodiment of the present disclosure includes a first electrode, a hole transport region, an emission layer, an electron transport region, and a second electrode, stacked one by one, wherein the hole transport region includes a hole transport material derived from a crosslinking agent compound represented by Formula 1. The organic light emitting device may be manufactured through a wet process, and the emission efficiency and driving voltage properties of the organic light emitting device may be improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.