.pi.-conjugated heavy-metal polymers for organic white-light-emitting diodes
Patent
·
OSTI ID:1324461
A polymer mixture emits a broad spectrum of visible light that appears white or near-white in the aggregate. The polymer mixture comprises two (or more) components in the active layer. A heavy atom, such as platinum and/or iridium, present in the backbone of the mixture acts via a spin-orbit coupling mechanism to cause the ratio of fluorescent to phosphorescent light emission bands to be of approximately equal strength. These two broad emissions overlap, resulting in an emission spectrum that appears to the eye to be white.
- Research Organization:
- The University of Utah Research Foundation, Salt Lake City, UT (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FG02-04ER46109
- Assignee:
- The University of Utah Research Foundation (Salt Lake City, UT)
- Patent Number(s):
- 9,444,065
- Application Number:
- 12/300,416
- OSTI ID:
- 1324461
- Resource Relation:
- Patent File Date: 2007 May 14
- Country of Publication:
- United States
- Language:
- English
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