Indolocarbazole electroluminescent devices
US5942340A · kind A · utility
110Cited by
10References
22Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 2, 1997 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Oct 2, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24975
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An organic electroluminescent device member comprised of a charge transport component of an indolocarbazole represented by Formulas (I), (II), (III), (IV), (V), or (VI); or optionally mixtures thereof ##STR1## wherein R and R' are independently selected from the group consisting of a hydrogen atom, halogen atom, alkyl, alkoxyl, and aryl; m and n are numbers of 0 to 4; R.sup.1 and R.sup.2 are independently selected from the group consisting of alkyl, aryl, and vinyl; R.sup.3 and R.sup.4 are independently selected from the group consisting of a hydrogen atom, halogen atom, alkyl, alkoxy, and aryl, and p is a number from 1 to 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.