Organic photoelectric conversion element, image pickup element, and image pickup apparatus
US11557727B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Dec 13, 2019 |
| Grant date | Jan 17, 2023 |
| Priority date | — |
| Expiry date | May 16, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides an organic compound represented by general formula [1] below.In formula [1], Ar1 and Ar2 each represent an alkyl group having 1 to 8 carbon atoms, an aromatic hydrocarbon group having 6 to 18 carbon atoms, or a heteroaromatic group having 3 to 17 carbon atoms. Ar1 and Ar2 may be the same or different. Ar3 and Ar4 are each a substituent having a carbazolyl group. Ar3 and Ar4 may be the same or different. Ar1 to Ar4 may be substituted. At least one of Ar1 to Ar4 has a tert-butyl group. The total number of tert-butyl groups in one molecule of the organic compound is 2 or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.