Light emitting element and azole compound
US6962755B2 · kind B2 · utility
17Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2001 |
| Grant date | Nov 8, 2005 |
| Priority date | — |
| Expiry date | Jul 17, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
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.