Hole or electron injection polymers and prepolymers, hole or...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...

Reexamination Certificate

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Details

C528S422000, C528S423000, C428S411100, C428S423100, C428S690000, C428S917000, C427S372200

Reexamination Certificate

active

07615603

ABSTRACT:
The present invention discloses hole or electron injection polymers and prepolymers, hole or electron transport polymers and prepolymers, which comprises a plurality of conjugated or non-conjugated structures with electronic function and a plurality of connecting structures, wherein the connecting structure is used to connect different conjugated or non-conjugated structures with electronic function, and the connecting structure comprises any one or any combination of the following group: ether based group, ester based group, urethane based group, urea based group, carbonate based group, nitrogen atom based group, amide based group, and imide based group. Moreover, this invention also discloses a method for forming the mentioned charge injection or transport polymers and prepolymers. Additionally, this invention provides hole injection layer or hole transport layer or electron injection layer or electron transport layer comprising copolymers with a first structure unit with hole injecting/transporting property and a second structure unit with electron injecting/transporting property.

REFERENCES:
patent: 6703780 (2004-03-01), Shiang et al.
patent: 6777871 (2004-08-01), Duggal et al.
Chao-Hui Kuo, Kang-Chun Peng, Li-Chung Kuo, Kuei-Hui Yang Jiun-Haw Lee, Man-Kit Leung, and Kuo-Kuang Hsieh; High-Performance Hole-Transport Polyurethanes for Light-Emitting Diodes Applications; Chem. Mater. 2006, vol. 18, No. 17, pp. 4121-4129; 2006 American Chemical Society; Published on Web Jul. 15, 2006.
Kun-Rung Lin, Chao-Hui Kuo, Li-Chung Kuo, Kuei-Hui Yang, Man-Kit Leung, and Kuo-Huang Hsieh; New hole-transport polyurethanes applied to polymer light-emitting diodes; Elsevier, Science Direct, European Polymer Journal 43 (2007), pp. 4279-4288; www.elsevier.com/locate/europolj.

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