公开(公告)号：US10651399B2

公开(公告)日：2020-05-12

申请号：US16148897

申请日：2018-10-01

申请人： LG Display Co., Ltd.

发明人： Joong-Hwan Yang ,  Kyung-Jin Yoon ,  Hyo-Jin Noh ,  Dae-Wi Yoon ,  In-Ae Shin ,  Jun-Yun Kim

IPC分类号： H01L51/00 ,  C07D401/14 ,  C09K11/02 ,  C07D219/02 ,  C07D409/14 ,  H01L27/32 ,  C09K11/06 ,  C07D401/10 ,  C07D471/04 ,  C07D495/04 ,  H01L51/50 ,  H01L51/52

摘要： Embodiments relate to a delayed fluorescence compound of The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.

公开(公告)号：US10135005B2

公开(公告)日：2018-11-20

申请号：US15920358

申请日：2018-03-13

申请人： LG Display Co., Ltd.

发明人： Joong-Hwan Yang ,  Kyung-Jin Yoon ,  Hyo-Jin Noh ,  Dae-Wi Yoon ,  In-Ae Shin ,  Jun-Yun Kim

IPC分类号： H01L51/46 ,  H01L51/00 ,  C07D495/04 ,  C07D401/14 ,  C07D409/14 ,  C07D471/04 ,  C07D401/10 ,  C09K11/02 ,  C09K11/06 ,  C07D219/02 ,  H01L27/32 ,  H01L51/52 ,  H01L51/50

摘要： Embodiments relate to a delayed fluorescence compound of Formula 1: or Formula 2: The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.

公开(公告)号：US09837619B2

公开(公告)日：2017-12-05

申请号：US14885785

申请日：2015-10-16

申请人： LG Display Co., Ltd.

发明人： Joong-Hwan Yang ,  Kyung-Jin Yoon ,  Hyo-Jin Noh ,  Dae-Wi Yoon ,  In-Ae Shin ,  Jun-Yun Kim

IPC分类号： H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  C07D487/04 ,  C07D487/06 ,  H01L51/52 ,  H01L51/50

CPC分类号： H01L51/0072 ,  C07D487/04 ,  C07D487/06 ,  C09K11/06 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1092 ,  H01L51/0059 ,  H01L51/0061 ,  H01L51/0074 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5237

摘要： Discussed is a delayed fluorescence compound including a first electron donor moiety of indolo-[3,2,1-j,k]carbazole; a second electron donor moiety selected from indolo-[3,2,1-j,k]carbazole, carbazole, or triphenylamine; and an electron acceptor moiety selected from dibenzothiophene sulfone or diphenyl sulfone, wherein the first and second electron donor moieties are combined to the electron acceptor moiety, and the electron acceptor moiety is combined to a third position or a sixth position of the first electron donor moiety.

公开(公告)号：US09123898B2

公开(公告)日：2015-09-01

申请号：US13945094

申请日：2013-07-18

申请人： LG Display Co., Ltd.

发明人： In-Bum Song ,  Jung-Keun Kim ,  Joong-Hwan Yang

IPC分类号： H01L35/24 ,  H01L51/00 ,  C09K11/06 ,  H01L51/50

CPC分类号： H01L51/0067 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1044 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/308

摘要： The present invention provides a phosphorescent compound of following formula: wherein each of X and Y is independently selected from an aromatic group and a heterocyclic group.

摘要翻译： 本发明提供下式的磷光化合物：其中X和Y各自独立地选自芳族基团和杂环基团。