Organic electroluminescent materials and devices
    74.
    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:US08927749B2

    公开(公告)日:2015-01-06

    申请号:US13788775

    申请日:2013-03-07

    IPC分类号: C07F7/00 H01L35/24 H01L51/00

    摘要: A compound according to a formula I and devices incorporating the same are described. The compound according to the formula I can have the structure: wherein X is Si or Ge; R1 and R2 represent mono, di, tri, tetra, or penta substitutions or no substitution; R3, R4 represent mono, di, tri, or tetra substitutions or no substitution; R1 and R2 are optionally joined to form a ring, which may be further substituted; L is a single bond or comprises an aryl or heteroaryl group having from 5-20 carbon atoms, which is optionally further substituted; and A is an aromatic group. A contains a group selected from the group consisting of indole, carbazole, benzofuran, dibenzofuran, benzothiophene, dibenzothiophene, benzoselenophene, dibenzoselenophene, triphenylene, azacarbazole, azadibenzofuran, azadibenzothiophene, azadibenzoselenophene, azatriphenylene, and combinations thereof, which are optionally further substituted. The device can include the compound according to Formula I in an organic layer.

    摘要翻译: 描述根据式I的化合物和其结合的化合物。 根据式I的化合物可以具有以下结构:其中X是Si或Ge; R1和R2表示单,二,三,四或五取代或不取代; R3,R4代表单,二,三或四取代或不取代; R1和R2任选地连接形成环,其可进一步被取代; L是单键或包含任选进一步取代的具有5-20个碳原子的芳基或杂芳基; A是芳香族基团。 A包含任选进一步取代的选自吲哚,咔唑,苯并呋喃,二苯并呋喃,苯并噻吩,二苯并噻吩,苯并硒吩,二苯并硒吩,三亚苯,azacarbazole,azadibenzofuran,azadibenzothiophene,azadibenzoselenophen,azatriphenylene及其组合的基团。 该装置可以包括有机层中根据式I的化合物。

    ALUMINUM CHELATES AS MATERIALS FOR OLEDS
    75.
    发明申请
    ALUMINUM CHELATES AS MATERIALS FOR OLEDS 有权
    铝箔作为OLED的材料

    公开(公告)号:US20140361252A1

    公开(公告)日:2014-12-11

    申请号:US13914124

    申请日:2013-06-10

    IPC分类号: H01L51/00 H01L51/50

    摘要: Aluminum chelate complex compounds with two substituted 8-hydroxyquinoline ligand and one dibenzothiophene, dibenzofuran or dibenzoselenophene ligands or aza-analogs of these molecules, attached directly or through an aromatic spacer to the oxygen atom is provided to improve lifetime, operating voltage and efficiency of an OLED. Additional substitution of dibenzothiophene or dibenzofuran ring may also provide charge delocalization, HOMO modification and higher Tg.

    摘要翻译: 提供具有两个取代的8-羟基喹啉配体和一个二苯并噻吩,二苯并呋喃或二苯并硒吩配体或这些分子的氮杂类似物直接或通过芳族间隔基连接到氧原子的铝螯合物络合物,以改善寿命,操作电压和效率 OLED。 二苯并噻吩或二苯并呋喃环的额外取代也可以提供电荷离域,HOMO修饰和更高的Tg。

    PHOSPHORESCENT EMITTERS WITH PHENYLIMIDAZOLE LIGANDS
    80.
    发明申请
    PHOSPHORESCENT EMITTERS WITH PHENYLIMIDAZOLE LIGANDS 有权
    具有苯并咪唑配位体的荧光发射体

    公开(公告)号:US20140054563A1

    公开(公告)日:2014-02-27

    申请号:US13798668

    申请日:2013-03-13

    IPC分类号: H01L51/00

    摘要: Phosphorescent materials are provided, where the materials comprise a coordination compound having at least one ligand L3 having Formula (I): wherein A and B are each independently a 5-membered or 6-membered carbocyclic or heterocyclic ring; wherein RA, RB, RC, and RD each represent mono, di, tri, tetra substitutions, or no substitution; wherein Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8 are each selected from N or C; wherein at least one of Z1, Z2, Z3, Z4, Z5, Z6, Z7, and Z8 is N; wherein one of Z1, Z2, Z3, and Z4 is C that is bonded to N of A; wherein Z is selected from the group consisting of BR, NR, PR, O, S, Se, C═O, S═O, SO2, CRR′, SiRR′, and GeRR′; wherein R, R′, RA, RB, RC, and RD are described herein; wherein L3 is coordinated to a metal M1; and wherein L3 may be linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand. Devices, such as organic light emitting devices, comprising such compounds are also provided.

    摘要翻译: 提供磷光材料,其中材料包含具有至少一个具有式(I)的配体L3的配位化合物:其中A和B各自独立地为5元或6元碳环或杂环; 其中RA,RB,RC和RD各自表示单,二,三,四取代或不取代; 其中Z 1,Z 2,Z 3,Z 4,Z 5,Z 6,Z 7和Z 8各自选自N或C; 其中Z 1,Z 2,Z 3,Z 4,Z 5,Z 6,Z 7和Z 8中的至少一个为N; 其中Z1,Z2,Z3和Z4中的一个为与N的N键合的C; 其中Z选自由BR,NR,PR,O,S,Se,C = O,S = O,SO 2,CRR',SiRR'和GeRR'组成的组。 其中R,R',RA,RB,RC和RD在本文中描述; 其中L3与金属M1配位; 并且其中L3可以与其它配体连接以包含三齿,四齿,五齿戊酸或六齿配体。 还提供了包含这些化合物的装置,例如有机发光装置。