Patent ID: 9515277
Filing Date: 2016-12-06
CPC Classification: C08G,C08L,C09K,H01L,H05B

Claim Text:
1. An organic electroluminescent element, comprising: an anode; a cathode; and an organic layer disposed between the anode and the cathode; wherein: the organic layer comprises a first layer and a second layer adjacent to the first layer; the first layer comprises in a single, mixed layer: (i) at least one of a light-emitting low molecular weight compound and a charge-transporting low molecular weight compound, and (ii) an insolubilized polymer; the second layer comprises in a single, mixed layer: (i) a light-emitting low molecular weight compound, and (ii) a charge-transporting low molecular weight compound; the insolubilized polymer is obtained by insolubilizing an insolubilizing polymer; the insolubilizing polymer comprises a charge transporting moiety; and the second layer is free of insolubilized polymers.