LIGHT-EMITTING COMPOUND
    1.
    发明申请

    公开(公告)号:US20190002488A1

    公开(公告)日:2019-01-03

    申请号:US16062232

    申请日:2016-12-14

    摘要: A compound of formula (I): wherein M is a transition metal; Ar1 is a 5 or 6 membered heteroaryl ring or a polycyclic heteroaromatic group; Ar2 is a polycyclic group comprising two or more rings selected from aromatic and heteroaromatic rings; Ar1 and Ar2 may be linked by a direct bond or divalent linking group; L is a ligand; x is at least 1; a, b and y are each 0 or a positive integer; R1, R2 and R3 are each independently a substituent; and (i) Ar1 is a polycyclic heteroaromatic group; or (ii) Ar1 is a 5 or 6 membered heteroaryl ring and Ar2 is a polycyclic group comprising at least 3 rings selected from aromatic and heteroaromatic rings. The compound may be used as an infra-red emitting material of an organic light-emitting device.

    Electroluminescence from a plurality of electroluminescent zones in a laterally separated arrangement
    4.
    发明授权
    Electroluminescence from a plurality of electroluminescent zones in a laterally separated arrangement 有权
    来自多个电致发光区域的电致发光以横向分离的布置

    公开(公告)号:US09299938B2

    公开(公告)日:2016-03-29

    申请号:US14373144

    申请日:2013-01-18

    IPC分类号: H01L51/56 H01L51/00 H01L51/50

    摘要: A white light emitting device having an anode and a cathode and therebetween an organic electroluminescent layer which emits white light on the provision of a current between the anode and the cathode, said organic electroluminescent layer including a plurality of electroluminescent zones in laterally separated arrangement, the first of said electroluminescent zones including a first polymer and the second of said electroluminescent zones including a second polymer, wherein the first polymer includes a fluorescent blue light emitting species and the second polymer includes a fluorescent green light emitting species, said first and/or second zones further including a phosphorescent red light emitting species, such that together with the blue emitting species results in the emission of white light, said first and second polymers being physically incompatible so that separation of the zones pertains.

    摘要翻译: 一种具有阳极和阴极的白色发光器件,在其间具有在阳极和阴极之间提供电流时发出白光的有机电致发光层,所述有机电致发光层包括横向分离的多个电致发光区域, 第一个所述电致发光区包括第一聚合物,第二个所述电致发光区包括第二聚合物,其中第一聚合物包括荧光蓝色发光物质,第二聚合物包括荧光绿色发光物质,所述第一和/或第二 区域还包括磷光红色发光物质,使得与蓝色发射物质一起导致白光的发射,所述第一和第二聚合物物理上不相容,使得区域的分离。

    Polymer and organic light emitting device

    公开(公告)号:US10403823B2

    公开(公告)日:2019-09-03

    申请号:US15024986

    申请日:2014-09-23

    摘要: Polymer and Organic Light Emitting Device A polymer comprising a repeat unit of formula (I a), (I b) or (Ic): (Formulae (Ia), (Ib), (Ic)) wherein M is a metal; R is a backbone repeat group; n is 1 or 2; Sp is a spacer group; w is 0 or 1; L1 and L2 are mono- or bidentate co-coordinating groups; ---- represents a second metal to ligand bond in the case where L1 or L2 is a bidentate ligand and at least one of L1 and L2 is substituted with group of formula (II) (Formula (II)) wherein m is 0 or 1; each Ar1, Ar2 and Ar3 is aryl or heteroaryl. The polymer may be used as an emissive material in an organic light-emitting device.

    LIGHT-EMITTING COMPOSITION
    8.
    发明申请

    公开(公告)号:US20190002629A1

    公开(公告)日:2019-01-03

    申请号:US16062855

    申请日:2016-12-14

    摘要: Light-Emitting Compound A composition comprising a light-emitting compound having a peak wavelength of at least 650 nm and a material comprising a group of formula (I): wherein Ar1, Ar2 and Ar3 in each occurrence are independently selected from a C6-20 aromatic group and a 6-20 membered heteroaromatic group of C and N ring atoms and at least one of Ar1, Ar2 and Ar3 is a 6-20 membered heteroaromatic group of C and N ring atoms; x, y and z are each independently at least 1; n, m and p are each independently 0 or a positive integer; and R1, R2 and R3 in each occurrence is independently a substituent or a single bond to a polymer chain, wherein the group of formula (I) has no more than 3 single bonds to a polymer chain. The composition may be used in the light-emitting layer of an infrared organic light-emitting device.