Pyrimidine spirobifluorene oligomer for organic...

Details Pyrimidine spirobifluorene oligomer for organic... Pyrimidine spirobifluorene oligomer for organic...

2005-03-29

2005-03-29

Rao, Deepak (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C313S506000

Reexamination Certificate

active

06872824

ABSTRACT:
A fluorene-based pyrimidine-containing conjugated oligomer applied in six different layers in an OLED, respectively, used as an electron-transport emitting layer, an emitting layer, a host in the emitting layer, the ETL, a host in the electron-transport emitting layer, and a hole-blocking layer to upgrade light-emitting efficiency and regulate emitting color of the OLED.

REFERENCES:
Wu et al., Highly bright blue organic light-emitting devices using spirofluorene-cored conjugated compounds, Applied Physics Letters, vol. 81, No. 4, pp. 577-579, Jul. 2002.

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