Patent ID: 9644048
Date: 2017-05-09
CPC Classifications: B32B,C08F,C09D,H01L,H05B

Claim:
1. A composition for an anode buffer layer comprising: an electron-accepting compound; a high-molecular weight compound having a structural unit represented by the following formula (1) or the following formula (2) and having a weight average molecular weight of 20,000 to 1,000,000 as measured by GPC: wherein in each of the formulae (1) and (2); plural R in a benzene ring having R plural R plural R X is a single bond, —O—, —S—, —SO—, —SO Y—X— is a group represented by: wherein R an organic solvent, the organic solvent being an aromatic solvent comprising toluene, xylene, and/or anisole or a halogenated alkyl solvent comprising chloroform and/or dichloroethane, or a combination thereof.