A light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a LUMO level of greater than or equal to −3.5 eV and less than or equal to −2.5 eV, and the second compound is an organic compound having a pyrimidine skeleton. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a diazine skeleton, and the second compound is an organic compound having a pyrimidine skeleton.
发光元件包括一对电极之间的 EL 层。EL 层包含第一种化合物和第二种化合物。第一种化合物是磷光铱金属复合物,其 LUMO 电平大于或等于 -3.5 eV,小于或等于 -2.5 eV,第二种化合物是具有嘧啶骨架的有机化合物。发光元件包括一对电极之间的 EL 层。EL 层包含第一种化合物和第二种化合物。第一种化合物是具有重氮骨架的磷光铱金属复合物,第二种化合物是具有嘧啶骨架的有机化合物。
US9663711B2
申请人:——
公开号:US9663711B2
公开(公告)日:2017-05-30
[EN] LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC DEVICE, LIGHTING DEVICE, AND NOVEL ORGANIC COMPOUND<br/>[FR] ÉLÉMENT ÉLECTROLUMINESCENT, DISPOSITIF ÉLECTROLUMINESCENT, DISPOSITIF ÉLECTRONIQUE, DISPOSITIF D'ÉCLAIRAGE ET NOUVEAU COMPOSÉ ORGANIQUE
申请人:SEMICONDUCTOR ENERGY LAB
公开号:WO2013027846A1
公开(公告)日:2013-02-28
A light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a LUMO level of greater than or equal to -3.5 eV and less than or equal to -2.5 eV, and the second compound is an organic compound having a pyrimidine skeleton. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a diazine skeleton, and the second compound is an organic compound having a pyrimidine skeleton.
[EN] LIGHT-EMITTING ELEMENT, DISPLAY DEVICE, ELECTRONIC DEVICE, AND LIGHTING DEVICE<br/>[FR] ÉLÉMENT ÉLECTROLUMINESCENT, DISPOSITIF D'AFFICHAGE, DISPOSITIF ÉLECTRONIQUE ET DISPOSITIF D'ÉCLAIRAGE
申请人:SEMICONDUCTOR ENERGY LAB
公开号:WO2017158475A1
公开(公告)日:2017-09-21
To provide a light-emitting element including an exciplex that efficiently emits light. The light-emitting element includes a first organic compound and a second organic compound. A combination of the first organic compound and the second organic compound forms an exciplex. The energy difference between the LUMO level of the first organic compound and the HOMO level of the second organic compound is greater than the emission energy of the exciplex by -0.1 eV or more and 0.4 eV or less. The lower of the lowest triplet excitation energy level of the first organic compound and the lowest triplet excitation energy level of the second organic compound has energy that is larger than the emission energy of the exciplex by -0.2 eV or more and 0.4 eV or less.
A light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a LUMO level of greater than or equal to −3.5 eV and less than or equal to −2.5 eV, and the second compound is an organic compound having a pyrimidine skeleton. The light-emitting element includes an EL layer between a pair of electrodes. The EL layer contains a first compound and a second compound. The first compound is a phosphorescent iridium metal complex having a diazine skeleton, and the second compound is an organic compound having a pyrimidine skeleton.