ORGANIC ELECTROLUMINESCENT MATERIAL AND ITS DEVICE

To provide an organic electroluminescent material and its device, enabling the electroluminescent device to maintain a low voltage level or further reduce the voltage, achieving higher device efficiency and/or longer device lifespan, and offering better overall device performance.SOLUTION: An organi...

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Hauptverfasser:	CHAI XINGXING, CAO YUSHUAI, DING HUALONG, ZHENG RENJIE, XIA CHUANJUN, RAYMOND KWONG CHI YUEN, CUI ZHIHAO, MA GUANGHONG
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ADHESIVES CHEMISTRY DYES ELECTRICITY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY PAINTS POLISHES
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Zusammenfassung:	To provide an organic electroluminescent material and its device, enabling the electroluminescent device to maintain a low voltage level or further reduce the voltage, achieving higher device efficiency and/or longer device lifespan, and offering better overall device performance.SOLUTION: An organic electroluminescent material is a compound with a structure represented by formula 1 (where Ar1 has a condensed-ring structure, Ar2 is a C6-30 aryl group or a C3-30 heteroaryl group, X is CR1 or N, and R1 is hydrogen, a halogen, an alkyl group or the like).SELECTED DRAWING: Figure 1 【課題】有機エレクトロルミネッセンス素子が低い電圧レベルを維持するか、電圧をさらに低下させることができ、より高い素子の効率および／またはより長い素子の耐用年数を有し、より良好な素子の総合性能を提供することができる、有機エレクトロルミネッセンス材料およびその素子を提供する。【解決手段】有機エレクトロルミネッセンス材料は、式１で表される構造を有する化合物である。（式中、Ａｒ１は、縮合環構造を有し、Ａｒ２は、Ｃ６～３０のアリール基、Ｃ３～３０のヘテロアリール基、Ｘは、ＣＲ１またはＮ、Ｒ１は、水素、ハロゲン、アルキル基等。）JPEG2024079657000172.jpg56166【選択図】図１