Light emitting element and azole compound
US7838131B2 · kind B2 · utility
5Cited by
10References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2009 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Oct 28, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a light emitting element comprising at least a light emitting layer containing a light emitting material and a host material and having a light emission maximum wavelength of 500 nm or less wherein the minimum excitation triplet energy level of the host material is higher than the minimum excitation triplet energy level of the light emitting material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.