2,5-linked polyfluorenes for optoelectronic devices

Details 2,5-linked polyfluorenes for optoelectronic devices 2,5-linked polyfluorenes for optoelectronic devices

2008-10-14

2010-06-08

Gulakowski, Randy (Department: 1796)

Compositions

Organic luminescent material containing compositions

Synthetic resin containing

C528S394000, C528S396000, C528S397000, C313S504000, C428S690000, C428S917000, C257S040000

Reexamination Certificate

active

07731866

ABSTRACT:
Polyfluorene polymers and copolymers having substantial amounts (10-100%) of fluorenes coupled at the 2 and 5 positions of fluorene are useful as active layers in OLED devices where triplet energies >2.10 eV are required.

REFERENCES:
patent: 5708130 (1998-01-01), Woo et al.
Fukuda et al, Fusible Conducting Poly(9-alkylfluorene) and poly(9,9-dialkylfluorene) and their characteristics; Japanese Journal of Applied Physics, vol. 28, No. 8, 1989, pp. L 1433-L 1435.

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