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US 2010/0144992 A1Published application
Functionalized polyfluorenes for use in optoelectronic devices
AssigneeGeneral Electric Company
InventorsKelly Scott Chichak, Larry Neil Lewis, James Anthony Cella, Joseph John Shiang
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Abstract
The present invention relates to process comprising reacting a polyfluorenes comprising at least one structural group of formula I with an iridium (III) compound of formula II The invention also relates to the polyfluorenes, which are products of the reaction, and the use of the polyfluorenes in optoelectronic devices.
Claims22
A polyfluorene comprising at least one structural group of formula V
- wherein
- R6 is a group of formula VI
- R3, R4 and R7 are independently hydrogen, alkyl, substituted alkyl, aryl substituted aryl, and combinations thereof;
- and
- R11 and R12 taken together form a substituted or unsubstituted monocyclic or bicyclic heteroaromatic ring;
- R13 is independently at each occurrence halo, nitro, hydroxy, amino, alkyl, aryl, arylalkyl, alkoxy, substituted alkoxy, substituted alkyl, substituted aryl, or substituted arylalkyl;
- Ar is aryl, heteroaryl, substituted aryl, substituted heteroaryl, or a combination thereof;
- W is —X′—NH—Y′—, —X′—N═Y″—, —X″═N—Y′—, or a combination thereof;
- X′ is selected from a direct bond, alkylene, substituted alkylene, or combinations thereof;
- Y′ is alkylene, substituted alkylene, arylene, substituted arylene, oxaalkylene, substituted oxaalkylene, or a combination thereof;
- X″ is alkylidene, substituted alkylidene, or a combination thereof;
- Y″ is alkylidene, substituted alkylidene, arylidene, substituted arylidene, or a combination thereof, and
- p is 0, 1 or 2.
10 more elements
An organic optoelectronic device comprising a polymer having at least one structural group of formula V
- wherein
- R6 is a group of formula VI
- R3, R4 and R7 are independently hydrogen, alkyl, substituted alkyl, aryl substituted aryl, and combinations thereof;
- and
- R11 and R12 taken together form a substituted or unsubstituted monocyclic or bicyclic heteroaromatic ring;
- R13 is independently at each occurrence halo, nitro, hydroxy, amino, alkyl, aryl, arylalkyl, alkoxy, substituted alkoxy, substituted alkyl, substituted aryl, or substituted arylalkyl;
- Ar is aryl, heteroaryl, substituted aryl, substituted heteroaryl, or a combination thereof;
- W is —X′—NH—Y′—, —X′—N═Y″—, —X″═N—Y′—, or a combination thereof;
- X′ is selected from a direct bond, alkylene, substituted alkylene, or combinations thereof;
- Y′ is alkylene, substituted alkylene, arylene, substituted arylene, oxaalkylene, substituted oxaalkylene, or a combination thereof;
- X″ is alkylidene, substituted alkylidene, or a combination thereof;
- Y″ is alkylidene, substituted alkylidene, arylidene, substituted arylidene, or a combination thereof, and
- p is 0, 1 or 2.
10 more elements
Dependencies are inferred from the claim text.