2,5-linked polyfluorenes for optoelectronic devices

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

2011-06-28

2011-06-28

Gulakowski, Randy (Department: 1766)

Compositions

Organic luminescent material containing compositions

Synthetic resin containing

C528S394000, C528S396000, C528S397000, C313S504000, C313S506000, C428S917000, C257S040000, C252S301360

Reexamination Certificate

active

07968004

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.
patent: 6255449 (2001-07-01), Woo et al.
patent: W02005049546 (2005-06-01), None
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.
PCT International Search Report dated Apr. 22, 2010.
Bertram, “2-(9H0Fluoren-9-yl)-2-Propanamin und seine Kernsubstituierten Derivate”, Arch. Pharm., vol. 314, pp. 310-314, 1981, XP002572103.
Database Beilstein (Online) Beilstein Institute for Organic Chemistry, Frankfurt-Main, DE, vol. 217, 2 pages, 1943, XP0025272104.
“Products Catalog 2009”, pp. 1-39, Quebec, Canada, American Dye Source, Inc., Retrieved from the Internet: URL: http://www.adsdyes.com/products/catalog 2009.pdf, XP002572105.

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