Organic electroluminescent element material, organic electroluminescent element composition, organic electroluminescent element, display device, and lighting device
US9349961B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Aug 10, 2012 |
| Grant date | May 24, 2016 |
| Priority date | — |
| Expiry date | Mar 7, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polymer comprising a repeating unit represented by the following formula (1) and a cross-linkable groupwherein Ar11 to Ar17, R11, R12 and r are as defined; and an organic electroluminescent element containing at least one organic layer containing a network polymer formed by cross-linking the polymer, the layer being a hole injection layer or a hole transporting layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.