LUMINESCENT MATERIAL AND ORGANIC ELECTROLUMINESCENT ELEMENT BASED ON THE SAME

• Main Authors: WAKAMIYA ATSUSHI, YONEHARA KOJI, NAKAMURA TOMOYA, MORII KATSUYUKI, HASEGAWA MUNEHIRO
• Format: Patent
• Language: English; Japanese
• Published: 18.06.2020
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; HETEROCYCLIC COMPOUNDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC CHEMISTRY; PAINTS; POLISHES; SEMICONDUCTOR DEVICES

To provide a novel luminescent material that emits light in a near-infrared region of 800 nm or more.SOLUTION: A luminescent material comprises a compound represented by the formula (1) in the figure. (In the formula, Arand Arare each a benzene ring, thiophene ring, furan ring, or pyrrole ring; Rto Rare each an aromatic hydrocarbon group or aromatic heterocyclic group; X is -S-, -SO-, or a direct coupling; and Ris an aromatic hydrocarbon group, aromatic heterocyclic group, or alkyl group.)SELECTED DRAWING: None 【課題】８００ｎｍ以上の近赤外領域で発光する新規な発光材料の提供。【解決手段】下記式（１）；（式中、Ａｒ１、Ａｒ２はベンゼン環、チオフェン環、フラン環、ピロール環、Ｒ１〜Ｒ４は芳香族炭化水素基、芳香族複素環基。Ｘは−Ｓ−、−ＳＯ２−又は直接結合。Ｒ５は芳香族炭化水素基、芳香族複素環基又はアルキル基）で表される化合物を含む発光材料。【選択図】なし