Organic electroluminescent device and process for producing...

Details Organic electroluminescent device and process for producing... Organic electroluminescent device and process for producing...

H - Electricity

05

B

H05B 33/02 (2006.01) H05B 33/10 (2006.01) H05B 33/14 (2006.01)

Patent

CA 2158192

According to the present invention, in a first aspect thereof, an organic electroluminescent device having an electroluminescent layer and/or a charge injecting/transporting layer formed out of a thin film of organic polymers of network structure which are excellent in heat resistance and durability, e.g., polyoxadiazoles is obtained by conducting a vapor deposition polymerization of a bifunctional monomer, a polyfunctional monomer of 3 or higher in functionality or a mixture of the polyfunctional monomer and bifunctional monomer and heating the resultant polymer in vacuum or an inert gas. In another aspect, an organic electroluminescent device having an electroluminescent layer and/or a charge injecting/transporting layer formed out of a thin film of polyoxadiazoles is produced without the formation of hydrogen halides (acids) as by-products by performing a vapor deposition polymerization of a monomer having two carboxylic acid halide groups and a monomer having two silylated carbohydrazide groups and heating the resultant polymer in vacuum or an inert gas.

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