Anthracene derivative host having ranges of dopants
US7252893B2 · kind B2 · utility
16Cited by
13References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2004 |
| Grant date | Aug 7, 2007 |
| Priority date | — |
| Expiry date | Feb 13, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A white light-emitting OLED device including spaced anode and cathode, and having blue light-emitting and yellow, orange, or red light-emitting layers, the blue light-emitting layer including a monoanthracene derivative of Formula (I) as a host material:wherein R1-R8 are H; R9 is not the same as R10; R9 is a naphthyl group having no fused rings with aliphatic carbon ring members; and R10 is a biphenyl group having no fused rings with aliphatic carbon ring members; provided that R9 and R10 are free of amines and sulfur compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.