One embodiment of this invention has a first electrode, a first light emitting layer, and a second electrode, in which the first light emitting layer has a first host material and a first dopant material, a lowest triplet excitation energy of the first host material is higher than a lowest triplet excitation energy of the first dopant material, and, when a weight of the first light emitting layer is set to 100 wt %, a concentration of the first dopant material is 0.3 wt % or less.
[EN] ORGANIC EL ELEMENT AND DISPLAY DEVICE, IMAGE PICKUP DEVICE, COMMUNICATION EQUIPMENT, ILLUMINATION DEVICE, LAMP FITTING, AND MOBILE BODY USING SAID ORGANIC EL ELEMENT<br/>[FR] ÉLÉMENT EL ORGANIQUE ET DISPOSITIF D'AFFICHAGE, DISPOSITIF DE CAPTURE D'IMAGE, ÉQUIPEMENT DE COMMUNICATION, DISPOSITIF D'ÉCLAIRAGE, ACCESSOIRE DE LAMPE ET CORPS MOBILE UTILISANT LEDIT ÉLÉMENT EL ORGANIQUE<br/>[JA] 有機EL素子及びこれを用いた表示装置、撮像装置、通信機器、照明装置、灯具、移動体