COMPOSITION FOR FORMING LIGHT EMITTING LAYER OF QUANTUM DOT LIGHT EMITTING ELEMENT, QUANTUM DOT LIGHT EMITTING ELEMENT, QUANTUM DOT DISPLAY DEVICE, AND QUANTUM DOT LIGHTING

• Main Authors: BANDO AKIMASA, IIDA KOICHIRO, HIROSHI DAISUKE, ABE TOMOHIRO, OKABE KAZUTAKE
• Format: Patent
• Language: English; Japanese
• Published: 26.01.2023
• Subjects: ADHESIVES; ADVERTISING; CHEMISTRY; CRYPTOGRAPHY; DISPLAY; DISPLAYING; DYES; EDUCATION; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; LABELS OR NAME-PLATES; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PAINTS; PHYSICS; POLISHES; SEALS; SIGNS

To provide a quantum dot light emitting element having a light emitting layer containing quantum dots, exhibiting excellent element characteristics, low voltage drive, high luminous efficiency, and long drive life.SOLUTION: A composition for forming the light-emitting layer of a quantum dot light-emitting element, comprising quantum dots, a compound represented by the following formula (1), and an organic solvent. (Ar21 and Ar22 are aromatic hydrocarbon groups having 6 to 30 carbons which may have substituents, aromatic heterocyclic groups having 3 to 30 carbons which may have substituents, or monovalent groups having 2 to 7 of these linked together.)SELECTED DRAWING: Figure 1 【課題】量子ドットを含有する発光層を有し、優れた素子特性を示し、低電圧駆動し、発光効率が高く、駆動寿命の長い量子ドット発光素子を提供する。【解決手段】量子ドットと、下記式（１）で表される化合物と、有機溶媒とを含む、量子ドット発光素子の発光層形成用組成物。TIFF2023012818000052.tif61140（Ａｒ２１、Ａｒ２２は、置換基を有していてもよい炭素数６～３０の芳香族炭化水素基、置換基を有していてもよい炭素数３～３０の芳香族複素環基、又は、これらが２～７個連結した１価の基。）【選択図】図１