| abstract |
Provided are a useful polymer compound excellent in hole transportability, and a composition, an organic film, an insolubilized organic film, a light-emitting device, a planar light source, and a display device including the polymer compound. The polymer compound comprises a constitutional unit represented by Formula (1) in an amount of 51% by mol or more with respect to the total amount of all constitutional units and at least one of a constitutional unit represented by Formula (2) and a constitutional unit represented by Formula (3): |