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    • 2. 发明申请
    • ORGANIC ELECTROLUMINESCENT ELEMENT AND DISPLAY DEVICE INCLUDING THE SAME
    • 有机电致发光元件和显示装置,包括它们
    • US20090243469A1
    • 2009-10-01
    • US12248125
    • 2008-10-09
    • Koji HoribaHidekazu HiroseTakeshi AgataKatsuhiro Sato
    • Koji HoribaHidekazu HiroseTakeshi AgataKatsuhiro Sato
    • H01J1/63
    • H01L51/0035H01L51/5048Y10S428/917
    • An organic electroluminescent element which has a long lifetime and excellent manufacturability includes a charge-transporting polymer material having high mobility and solubility in solvents, and further includes a pair of electrodes and an organic compound layer sandwiched between the pair of electrodes, at least one of the electrodes being transparent, the organic compound layer being formed of one or more layers, and at least one of the one or more layers containing at least one charge-transporting polyester represented by Formula (I-1) or (I-2). In Formulae (I-1) and (I-2), A1 represents at least one structure selected from the structures represented by Formulae (II-1) and (II-2), Y1 represents a divalent alcohol residue, Z1 represents a divalent carboxylic acid residue, each B independently represents the terminal group, m represents an integer of 1 to 5, and p represents an integer of 5 to 5000. In Formulae (II-1) and (II-2), Ar represents an aryl group, i and j each represent 0 or 1, T represents a divalent hydrocarbon group, and X represents a group represented by Formula (III). In Formula (III), R represents a hydrogen atom or a monovalent hydrocarbon group.
    • 具有长寿命和优异可制造性的有机电致发光元件包括在溶剂中具有高迁移率和溶解度的电荷传输性聚合物材料,还包括一对电极和夹在该对电极之间的有机化合物层,至少一个 所述电极是透明的,所述有机化合物层由一层或多层形成,所述一层或多层中的至少一层含有至少一种由式(I-1)或(I-2)表示的电荷传输聚酯。 在式(I-1)和(I-2)中,A1表示选自式(II-1)和(II-2)表示的结构中的至少一种结构,Y1表示二价醇残基,Z1表示二价 羧酸残基,各B独立地表示末端基,m表示1〜5的整数,p表示5〜5000的整数。在式(II-1)和(II-2)中,Ar表示芳基 ,i和j各自表示0或1,T表示二价烃基,X表示由式(III)表示的基团。 式(III)中,R表示氢原子或一价烃基。