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Polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display device, organic EL lighting, and manufacturing method for organic electroluminescent element

專利號(hào)
US12133453B2
公開日期
2024-10-29
申請(qǐng)人
Mitsubishi Chemical Corporation（JP Tokyo）
發(fā)明人
Yanjun Li; Tomokazu Umemoto; Hideki Gorohmaru; Koichiro Iida; Kouji Adachi
IPC分類
H01L51/50; C08G73/02; C09K11/06; H10K85/10; H10K50/11; H10K50/15; H10K50/17; H10K71/00; H10K71/12; H10K85/60
技術(shù)領(lǐng)域
group,ring,polymer,aromatic,preferably,formula,layer,or,compound,in
地域： Tokyo

摘要

Provided are: a highly durable polymer having a high hole-injection/transport capacity; and a composition for an organic electroluminescent element, which contains the polymer. The polymer contains a repeating unit represented by the following Formula (1) or a repeating unit represented by the following Formula (2) (wherein, Ar1 and Ar2 each represent an aromatic hydrocarbon group optionally having a substituent, or an aromatic heterocyclic group optionally having a substituent; X represents —C(R7)(R8)—, —N(R9)—, or —C(R11)(R12)—C(R13)(R14)—; R1 and R2 as well as R3 and R6 each independently represent an alkyl group optionally having a substituent; R4 and R5 each independently represent an alkyl group optionally having a substituent, an alkoxy group optionally having a substituent, or an aralkyl group optionally having a substituent; and R7 to R9 and R11 to R14 each independently represent hydrogen, an alkyl group optionally having a substituent, an aralkyl group optionally having a substituent, or an aromatic hydrocarbon group optionally having a substituent).

說明書

  • arylsilyl groups, preferably arylsilyl groups whose aryl groups have 6 to 20 carbon atoms, more preferably arylsilyl groups whose alkyl groups have 6 to 14 carbon atoms
  • alkylcarbonyl groups, preferably alkylcarbonyl groups having 2 to 20 carbon atoms
  • arylcarbonyl groups, preferably arylcarbonyl groups having 7 to 20 carbon atoms

    • In the above-described groups, one or more hydrogen atoms are optionally substituted with fluorine atoms or deuterium atoms.

    Unless otherwise specified, “aryl” is an aromatic hydrocarbon, and “heteroaryl” is an aromatic heterocycle.

      • a hydrogen atom, a deuterium atom, a fluorine atom, a cyano group, and —SF5.
        (Preferred Groups in Substituents Z′)

    Among these substituents Z′,

    alkyl groups, alkoxy group, an aryloxy group, an arylamino group, an aralkyl group, an alkenyl group, an aryl group, a heteroaryl group, an alkylsilyl group, an arylsilyl group, an and these groups in which one or more hydrogen atoms are substituted with fluorine atom(s), as well as a fluorine atom, a cyano group, and —SF5 are preferred;

    an alkyl group, an arylamino group, an aralkyl group, an alkenyl group, an aryl group, a heteroaryl group, an and these groups in which one or more hydrogen atoms are substituted with fluorine atom(s), as well as a fluorine atom, a cyano group, and —SF5 are more preferred;

    權(quán)利要求

    1
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