Patent ID: 9698353
Date: 2017-07-04
CPC Classifications: H01L

Claim:
1. A light-emitting element comprising: an anode; a cathode; and a light emission layer arranged between the anode and the cathode and configured to emit light by energization between the anode and the cathode, the light emission layer including a compound represented by a general formula NIR-D as a light emission material and a compound represented by a formula IRH-1 as a host material of the light emission material, the general formula NIR-D being wherein each R independently indicates group comprising a phenyl group, a thiophenyl group, a furyl group, or at least one species of derivatives thereof, the formula IRH-1 being wherein n indicates a natural number 1 to 12, and each R independently indicates a hydrogen atom, an alkyl group, an optionally substituted aryl group, or an arylamino group.