公开(公告)号：US11864462B2

公开(公告)日：2024-01-02

申请号：US17060494

申请日：2020-10-01

Applicant: LG DISPLAY CO., LTD.

Inventor： Tae-Ryang Hong ,  Hyong-Jong Choi ,  Bo-Min Seo ,  Jun-Yun Kim

IPC: C09K11/06 ,  H10K85/60 ,  H10K50/11

CPC classification number: H10K85/6572 ,  C09K11/06 ,  H10K85/624 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1018 ,  H10K50/11

Abstract: An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and an emitting material layer including a first compound and a second compound and positioned between the first and second electrodes. An energy level of the first compound and an energy level of the second compound satisfy a pre-determined condition. An organic light emitting device may include the organic light emitting diode.

公开(公告)号：US11417853B2

公开(公告)日：2022-08-16

申请号：US16573696

申请日：2019-09-17

Applicant: LG Display Co., Ltd

Inventor： Tae-Ryang Hong ,  Hyong-Jong Choi ,  Jun-Yun Kim

IPC: H01L51/50

Abstract: Disclosed is an organic light-emitting diode and an organic light-emitting device including the organic light-emitting diode. The organic light-emitting diode includes a cathode electrode; an anode electrode; a first emitting material layer including a first host and a first delayed fluorescent material, which is between the cathode electrode and the anode electrode; and a second emitting material layer having a second delayed fluorescent material and a first fluorescent or phosphorescent material, between the cathode electrode and the anode electrode. The organic light-emitting diode has enhanced luminous efficiency and color continuity.

公开(公告)号：US10651399B2

公开(公告)日：2020-05-12

申请号：US16148897

申请日：2018-10-01

Applicant: LG Display Co., Ltd.

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

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

Abstract: 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：US10141515B2

公开(公告)日：2018-11-27

申请号：US14885707

申请日：2015-10-16

Applicant: LG Display Co., Ltd.

Inventor： Hyo-Jin Noh ,  Kyung-Jin Yoon ,  Dae-Wi Yoon ,  In-Ae Shin ,  Jun-Yun Kim

IPC: H01L51/00 ,  C09K11/06 ,  H01L51/50 ,  C07D213/38 ,  C07D235/18 ,  C07D401/10 ,  C07D403/10 ,  C09K11/02 ,  H01L27/32

Abstract: Discussed is a space-through charge transfer compound including a naphthalene core; an electron donor moiety selected from carbazole and phenylcarbazole; and an electron acceptor moiety selected from pyridine, diazine, triazole, and phenyl benzodiazole, wherein the electron donor moiety and the electron acceptor moiety are combined to first and eighth positions of the naphthalene core with a benzene linker, respectively.

公开(公告)号：US10135005B2

公开(公告)日：2018-11-20

申请号：US15920358

申请日：2018-03-13

Applicant: LG Display Co., Ltd.

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

IPC: 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

Abstract: 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

Applicant: LG Display Co., Ltd.

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

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

CPC classification number: 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

Abstract: 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.