Patent ID: 9172043
Filing Date: 2015-10-27
Classification: C09D,H01B,H01L,Y10T

Abstract:
1. A charge transporting varnish for spray or ink jet application, comprising a charge transporting organic material made of a charge transporting monomer or a charge transporting oligomer having a number average molecular weight of 200 to 5000, or said transporting organic material and an electron accepting dopant material or a hole accepting dopant material, and a solvent which is a combination of 1,3-dimethyl-2-imidazolidinone, cyclohexanol, and isobutanol, N-methylpyrrolidone, cyclohexanol, and isobutanol, N,N-dimethylacetamide, cyclohexanol, and isobutanol, 1,3-dimethyl-2-imidazolidinone, 2,3-butanediol, and isobutanol, N-methylpyrrolidone, 2,3-butanediol, and isobutanol, N,N-dimethylacetamide, 2,3-butanediol, and isobutanol, 1,3-dimethyl-2-imidazolidinone, dipropylene glycol, and isobutanol, N-methylpyrrolidone, dipropylene glycol, and isobutanol, or N,N-dimethylacetamide, dipropylene glycol, and isobutanol.