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    • 7. 发明申请
    • Electroluminescent stability
    • 电致发光稳定性
    • US20050164030A1
    • 2005-07-28
    • US10765295
    • 2004-01-26
    • David KnowlesRaymond Kwong
    • David KnowlesRaymond Kwong
    • C07F15/00C09K11/06H01L51/00H01L51/30H01L51/50H05B33/14
    • H01L51/0085C07F15/0033H01L51/0059H01L51/0062H01L51/0081H01L51/5016Y10S428/917
    • An organic light emitting device is provided. The device has an anode, a cathode, and an emissive layer disposed between the anode and the cathode. The emissive layer further comprises an emissive material having the structure: wherein M is a metal having an atomic weight greater than 40; ring A is an aromatic heterocyclic or a fused aromatic heterocyclic ring with at least one nitrogen atom that is coordinated to the metal M, wherein the ring A can be optionally substituted; (X—Y) is an ancillary ligand; m is a value from 1 to the maximum number of ligands that may be attached to the metal; and m+n is the maximum number of ligands that may be attached to the metal. The emissive material itself is also provided. The emissive material may have improved efficiency and stability when incorporated into a light emitting device.
    • 提供有机发光装置。 该器件具有阳极,阴极和布置在阳极和阴极之间的发射层。 发射层还包括具有以下结构的发射材料:其中M是原子量大于40的金属; 环A是具有与金属M配位的至少一个氮原子的芳族杂环或稠合芳族杂环,其中环A可以任选被取代; (X-Y)是辅助配体; m是可以附着到金属上的配体的最大数量的1至1的值; 并且m + n是可以连接到金属的配体的最大数目。 还提供了发射材料本身。 当结合到发光器件中时,发射材料可以具有改进的效率和稳定性。