Disclosed is an organic EL display device which includes: a first resin substrate 10a; a basecoat film 11a provided on the first resin substrate 10a; an organic EL element 18 provided over the basecoat film 11a, a first sealing film 19 covering the organic EL element 18; a second resin substrate 10b facing the first resin substrate 10a, and provided closer to the first sealing film 19 with an adhesive layer 21 interposed between the second resin substrate 10b and the first sealing film 19; and a second sealing film 23a provided outside the first sealing film 19 and enhancing adhesion between the basecoat film 11a and a stack including the first sealing film 19 and the adhesive layer 21.