Host material and organic light emitting display device using the same
US9123900B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Nov 29, 2012 |
| Grant date | Sep 1, 2015 |
| Priority date | — |
| Expiry date | Nov 14, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A host material is disclosed. The host material, as a compound which is represented by the following formula 1, has a chemical structure in which nitrogen and silicon atoms are chemically and directly bonded to each other.Wherein the “a” is one selected from a material group which includes N, S, O, SO2 and NSiG1G2G3, and the “G1, G2 and G3” each become one of a hydrogen, and aromatic, heterocyclic and aliphatic groups which are or not substituted, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.