QUANTUM DOT ELECTROLUMINESCENT ELEMENT AND DISPLAY DEVICE USING THE SAME

• Main Authors: FUJIYAMA TAKAHIRO, MOTOYAMA TAKAO, KONISHI YUSAKU, TSUTSUMI KIYOHIKO, KATO FUMIAKI, TSUJI MASASHI
• Format: Patent
• Language: English; Japanese
• Published: 09.07.2020
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOSITIONS BASED THEREON; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; SEMICONDUCTOR DEVICES; THEIR PREPARATION OR CHEMICAL WORKING-UP

To provide a quantum dot electroluminescent element which is excellent in element properties such as luminous efficacy and durability (emission lifetime) and has a low drive voltage.SOLUTION: A quantum dot electroluminescent element 100 comprises: at least one or more organic layers disposed between a first electrode 120 and a second electrode 180 and containing a vinylaminoarylene polymer; and a luminous layer 150 comprising quantum dots.SELECTED DRAWING: Figure 1 【課題】耐久性（発光寿命）および発光効率等の素子特性に優れ、低駆動電圧を有する量子ドットエレクトロルミネッセンス素子を提供する。【解決手段】第１電極１２０と第２電極１８０の間に配置され、ビニルアミノアリーレンポリマーを含む少なくとも１層以上の有機層と、量子ドットを含む発光層１５０と、を有する、量子ドットエレクトロルミネッセンス素子１００。【選択図】図１