ORGANIC ELECTROLUMINESCENT DEVICE AND AMINE COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE

• Main Authors: PAK HANKYU, KIM DONGJUN, JO SOHEE, HAN SANG HYUN, KIM MIN JAE, JEONG EUNJAE
• Format: Patent
• Language: English; Japanese
• Published: 01.02.2022
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; ELECTRICITY; METALLURGY; ORGANIC CHEMISTRY

To provide a highly efficient organic electroluminescent device and an amine compound contained in a hole transport region of the organic electroluminescent device.SOLUTION: An organic electric field light emitting element 10 according to one embodiment includes a first electrode EL1, a hole transport region HTR arranged on the first electrode EL1, a light emitting layer EML arranged on the hole transport region HTR, an electron transport region ETR arranged on the light emitting layer EML, and a second electrode EL2 arranged on the electron transport region ETR, and the hole transport region HTR includes an amine compound having a specific structure to achieve high emission efficiency.SELECTED DRAWING: Figure 1 【課題】高効率の有機電界発光素子及び有機電界発光素子の正孔輸送領域に含まれるアミン化合物を提供することを一つの目的とする。【解決手段】一実施例の有機電界発光素子１０は、第１電極ＥＬ１、第１電極ＥＬ１の上に配置される正孔輸送領域ＨＴＲ、正孔輸送領域ＨＴＲの上に配置される発光層ＥＭＬ、発光層ＥＭＬの上に配置される電子輸送領域ＥＴＲ、及び電子輸送領域ＥＴＲの上に配置される第２電極ＥＬ２を含み、正孔輸送領域ＨＴＲは特定の構造を有アミン化合物を含むことで高い発光効率を示す。【選択図】図１