Organic electroluminescent materials and devices

    公开(公告)号:US09647218B2

    公开(公告)日:2017-05-09

    申请号:US14464430

    申请日:2014-08-20

    IPC分类号: H01L51/50 H01L51/00

    摘要: A compound having the structure of Formula 1, as well as, a first device and a formulation including the same are disclosed. In the structure of Formula 1: R5 is and (a) at least one of R1-R4 is or (b) R1 is In addition, R1, R2, R3, R4, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, B1, B2, B3, B4, B5, B6, B7, B8, B9, B10, Y1, Y2, Y3, Y4, Y5, Y6, Y7, Y8, Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8, are each independently selected from a variety of substituents, where adjacent A, B, Y, and Z groups are, optionally, joined to form a fused ring structure. Finally, X includes an acceptor group selected from —CmF2m+1, —SimF2m+1, —NCO, —NCS, —OCN, —SCN, —OCmF2m+1, and —SCmF2m+1.

    Organic electroluminescent materials and devices
    5.
    发明授权
    Organic electroluminescent materials and devices 有权
    有机电致发光材料和器件

    公开(公告)号:US09537106B2

    公开(公告)日:2017-01-03

    申请号:US13890437

    申请日:2013-05-09

    摘要: Donor-acceptor compounds with nitrogen containing polyaromatics as the acceptor with emission originated from the charge transfer (CT) state is disclosed. The donor-acceptor compound is provided that has the structure of Formula 1 shown below: wherein X1 to X12 is independently selected from the group consisting of C—R and N, wherein at least one of X1 to X12 is N, wherein each R is independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and at least one of the R comprises a donor group with at least two electron-donating nitrogens.

    摘要翻译: 公开了具有含氮多元芳族化合物作为起始于电荷转移(CT)状态的发射的受体的供体 - 受体化合物。 提供具有以下结构的供体 - 受体化合物:其中X1至X12独立地选自C-R和N,其中X 1至X 12中的至少一个为N,其中每个R为 烷基,环烷基,杂烷基,芳基烷基,烷氧基,芳氧基,氨基,甲硅烷基,烯基,环烯基,杂烯基,炔基,芳基,杂芳基,酰基,羰基,羧酸,酯, 腈,异腈,硫烷基,亚磺酰基,磺酰基,膦基及其组合; 并且R中的至少一个包含具有至少两个给电子氮的供体基团。

    Organic electroluminescent materials and devices
    6.
    发明授权
    Organic electroluminescent materials and devices 有权
    有机电致发光材料和器件

    公开(公告)号:US09190623B2

    公开(公告)日:2015-11-17

    申请号:US13682504

    申请日:2012-11-20

    IPC分类号: H01L51/50 H01L51/00

    摘要: Novel devices containing organic compounds containing electron donor and acceptor characteristics and that act as emissive dopants are provided. The energy ratio obtained by dividing the T1 energy of the emissive dopant by ΔEHOMO-LUMO for the same emissive dopant is at least 0.7 and the first emissive dopant has an energy difference calculated by subtracting the T1 energy of the first emissive dopant from ΔEHOMO-LUMO for the first emissive dopant and the energy difference is at smaller than or equal to 1.00 eV for the novel compounds. The compounds exhibit delayed fluorescence properties when incorporated into OLED devices.

    摘要翻译: 提供了含有含有电子给体和受主特性并充当发射掺杂剂的有机化合物的新型装置。 通过将发射掺杂剂的T1能量除以相同发射掺杂剂的Dgr; EHOMO-LUMO获得的能量比为至少0.7,并且第一发射掺杂剂具有通过从&Dgr中减去第一发射掺杂剂的T1能量而计算出的能量差 ;对于新型化合物,第一发射掺杂剂的EHOMO-LUMO和能量差小于或等于1.00eV。 当结合到OLED器件中时,化合物表现出延迟的荧光特性。

    Organic Electroluminescent Device With Delayed Fluorescence
    7.
    发明申请
    Organic Electroluminescent Device With Delayed Fluorescence 有权
    具有延迟荧光的有机电致发光器件

    公开(公告)号:US20140138627A1

    公开(公告)日:2014-05-22

    申请号:US13682504

    申请日:2012-11-20

    IPC分类号: H01L51/50

    摘要: Novel devices containing organic compounds containing electron donor and acceptor characteristics and that act as emissive dopants are provided. The energy ratio obtained by dividing the T1 energy of the emissive dopant by ΔEHOMO-LUMO for the same emissive dopant is at least 0.7 and the first emissive dopant has an energy difference calculated by subtracting the T1 energy of the first emissive dopant from ΔEHOMO-LUMO for the first emissive dopant and the energy difference is at smaller than or equal to 1.00 eV for the novel compounds. The compounds exhibit delayed fluorescence properties when incorporated into OLED devices.

    摘要翻译: 提供了含有含有电子给体和受主特性并充当发射掺杂剂的有机化合物的新型装置。 通过将发射掺杂剂的T1能量除以相同发射掺杂剂的Dgr; EHOMO-LUMO获得的能量比为至少0.7,并且第一发射掺杂剂具有通过从&Dgr中减去第一发射掺杂剂的T1能量而计算出的能量差 ;对于新型化合物,第一发射掺杂剂的EHOMO-LUMO和能量差小于或等于1.00eV。 当结合到OLED器件中时,化合物表现出延迟的荧光特性。

    Organic electroluminescent materials and devices

    公开(公告)号:US10033004B2

    公开(公告)日:2018-07-24

    申请号:US15147557

    申请日:2016-05-05

    摘要: A compound containing a partial structure of Formula I: is provided. In the structure of Formula I, M is a metal with an atomic number of at least 40; RA, RB, and RC are each independently 5 or 6 membered aryl or heteroaryl rings; R1, R2, R3, and A are each independently selected from a variety of substituents and combinations thereof; A is optionally bonded to RA or RC to form a fused ring; X1 is B, C, N, O, S or Se; X2-X7 are independently B, C or N; and Y1-Y2 are independently C or N. Formulations and devices, such as an OLEDs, that include the compound containing a structure of Formula I are also described.