Blue Electroluminescent Copolymers with High Color Purity And Organic Electroluminescent Device Manufactured By Using The Same

摘要

The present invention relates to a blue light emitting polymer and an organic light emitting device using the same , and more particularly it relates to a blue electroluminescent polymer represented by the formula (1) , a naphthalene derivative of the present invention, a biphenyl derivative , anthracene derivative , and a high luminance by applying an electric field to the blue light-emitting polymer and the light-emitting layer that contains all the elements in the low-voltage and high color purity expression can be provided as the driving the organic EL device : ; [ formula 1] ; wherein , ; R is hydrogen, an alkyl group having 1 to 12 carbon atoms , an alkoxy group or an amine group are from, x is an integer and can be up to 3 ; and l + m + n = 1, l or m, or n is a real number between each of 0.01 ~ 0.99.