公开(公告)号：US20240180028A1

公开(公告)日：2024-05-30

申请号：US18481835

申请日：2023-10-05

Applicant: LG Display Co., Ltd

Inventor： Gi-Hwan LIM ,  Jong-Uk KIM ,  In-Ae SHIN ,  Jun-Yun KIM

IPC: H10K85/60

CPC classification number: H10K85/654 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/658 ,  H10K50/12

Abstract: An organic light emitting diode includes at least one emitting material layer disposed between two electrodes includes a first compound having an azine moiety substituted two cyano groups and a carbazole moiety linked to the azine moiety through a phenylene group, and a second compound of a boron-based fluorescent material and an organic light emitting device including the organic light emitting diode. The excitons generated at the first compound are transferred efficiently to the second compound so that the luminous properties of the organic light emitting diode and/or the organic light emitting device can be improved.

公开(公告)号：US20230200235A1

公开(公告)日：2023-06-22

申请号：US18074059

申请日：2022-12-02

Applicant: LG DISPLAY CO., LTD.

Inventor： In-Ae SHIN ,  Hye-Li MIN ,  Gi-Hwan LIM ,  Jun-Yun KIM

IPC: H10K85/60 ,  H10K59/35 ,  H10K85/30

CPC classification number: H01L51/0072 ,  H01L27/3211 ,  H01L51/008 ,  H01L51/0087 ,  H01L51/5012

Abstract: An organic light emitting diode (OLED) and an organic light emitting device (such as a display device or a lighting device) comprising the OLED are described. The OLED includes a reflective electrode; a transparent electrode facing the reflective electrode; and an organic light emitting layer comprising a first emitting part and a second emitting part, positioned between the reflective electrode and the transparent electrode. The first emitting part comprises a first emitting layer and a second emitting layer, while the second emitting part comprises a third emitting layer and a fourth emitting layer. The first emitting layer is a first phosphorescent emitting layer, and the second emitting layer is a first fluorescent emitting layer. The third emitting layer can be a second phosphorescent emitting layer. The first fluorescent emitting layer is closer to the transparent electrode than the first phosphorescent emitting layer.

公开(公告)号：US20230189628A1

公开(公告)日：2023-06-15

申请号：US18072309

申请日：2022-11-30

Applicant: LG Display Co., Ltd.

Inventor： Ji-Ae LEE ,  Young-Ju RYU ,  Gi-Hwan LIM ,  Jun-Yun KIM

IPC: H10K85/30 ,  C07F5/02 ,  C09K11/06

CPC classification number: H01L51/008 ,  C07F5/027 ,  C09K11/06 ,  H01L51/5016

Abstract: An organic light emitting diode is described, which includes a reflective electrode, a transparent electrode facing the reflective electrode, and an organic light emitting layer. The organic light emitting layer includes a first emitting part and a second emitting part, and is positioned between the reflective electrode and the transparent electrode. The first emitting part includes a phosphorescent emitting layer and a fluorescent emitting layer, and the second emitting part includes a phosphorescent emitting layer and a fluorescent emitting layer. In at least one of the first and second emitting parts, the fluorescent emitting layer is positioned to be closer to the transparent electrode than the phosphorescent emitting layer. An organic light emitting device can include the organic light emitting diode, and may be a display device or a lighting device.

公开(公告)号：US20220077402A1

公开(公告)日：2022-03-10

申请号：US17387006

申请日：2021-07-28

Applicant: LG Display Co., Ltd. ,  LT Materials Co., Ltd

Inventor： Tae-Ryang HONG ,  Young-Ju RYU ,  Gi-Hwan LIM ,  Jun-Yun KIM ,  Yong-Woo KIM ,  Yong-Geun JUNG ,  Jin-Hwan SHIN ,  Yeon-Jun SHIM

IPC: H01L51/00 ,  C07D487/04 ,  C09K11/06 ,  C07D495/04

Abstract: The present disclosure relates to an organic compound including an electron acceptor moiety of a hetero aromatic ring having at least one nitrogen as a nuclear atom and an electron donor moiety of a fused aromatic or a fused hetero aromatic ring linked to the electron acceptor moiety directly or via a linker moiety, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound includes both the electron acceptor and donor moieties, thus charges can be transported easily within the molecule. The OLED and the organic light emitting device including the organic compound, which may comprise at least one substituent having strong electron withdrawing property at specific position, in an emissive layer can implement excellent luminous efficiency and luminous lifespan.

公开(公告)号：US20220006023A1

公开(公告)日：2022-01-06

申请号：US17363744

申请日：2021-06-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Tae-Ryang HONG ,  Gi-Hwan LIM ,  Jun-Yun KIM

IPC: H01L51/00 ,  C07D487/04 ,  C09K11/06

Abstract: An organic light emitting diode (OLED) including at least one emitting material layer (EML) disposed between two electrodes and comprising a first compound and a second compound and an organic light emitting device having the OLED are disclosed. The first compound of delayed fluorescent material and the second compound of fluorescent material have predetermined energy levels so that the OLED can improve its stability and luminous lifespan.

公开(公告)号：US20210167289A1

公开(公告)日：2021-06-03

申请号：US17100611

申请日：2020-11-20

Applicant: LG Display Co., Ltd.

Inventor： Ik-Rang CHOE ,  Hye-Gun RYU ,  Jun-Yun KIM ,  Seong-Keun KIM ,  Ju-Young LEE

IPC: H01L51/00 ,  C09K11/06

Abstract: The present disclosure provides an organic light emitting diode including a first electrode; a second electrode facing the first electrode; and an emitting material layer including a first compound and a second compound positioned between the first and second electrodes, wherein the first compound includes a hexagonal-ring moiety including one boron atom, one oxygen atom and four carbon atoms, and the second compound includes a hexagonal-ring moiety including one boron atom, one nitrogen atom and four carbon atoms, and an organic light emitting device including the organic light emitting diode.

公开(公告)号：US20200207778A1

公开(公告)日：2020-07-02

申请号：US16712159

申请日：2019-12-12

Applicant: LG Display Co., Ltd. ,  Soulbrain Co., Ltd.

Inventor： Suk-Young BAE ,  Tae-Ryang HONG ,  Jun-Yun KIM ,  Jin-Hee KIM ,  Ah-Rang LEE

IPC: C07D491/107 ,  C07D495/10 ,  H01L51/00

Abstract: The disclosure provides a delayed fluorescent compound of the Formula and an organic light emitting diode including a first electrode, a second electrode and an organic emitting layer between the first and second electrodes, where the delayed fluorescent compound is included in the organic emitting layer, and an organic light emitting display device including the organic emitting layer.

公开(公告)号：US20190081244A1

公开(公告)日：2019-03-14

申请号：US16158087

申请日：2018-10-11

Applicant: LG Display Co., Ltd.

Inventor： Hyo-Jin NOH ,  Kyung-Jin YOON ,  Dae-Wi YOON ,  In-Ae SHIN ,  Jun-Yun KIM

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

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：US20190036035A1

公开(公告)日：2019-01-31

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

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：US20160111659A1

公开(公告)日：2016-04-21

申请号：US14885761

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: H01L51/00 ,  H01L27/32 ,  C09K11/02 ,  C09K11/06 ,  C07D487/06

CPC classification number: H01L51/0072 ,  C07D487/06 ,  C09K11/02 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1092 ,  H01L27/3258 ,  H01L51/005 ,  H01L51/0067 ,  H01L51/0074 ,  H01L51/5004 ,  H01L51/5012 ,  H01L51/5016 ,  H01L2251/552

Abstract: Discussed is a delayed fluorescence compound of Formula 1: wherein n is 1 or 0, and A is selected from Formula 2: wherein D is selected from Formula 3: and each of “L1” and “L2” is independently selected from Formula 4: wherein R1 in the Formula 2 is selected from hydrogen or phenyl, and each of X, Y, and Z is independently selected from carbon and nitrogen, and wherein at least two selected from X, Y, and Z are nitrogen, and R2 in the Formula 4 is selected from one of hydrogen and C1 alkyl through C10 alkyl.

Abstract translation: 讨论了式1的延迟荧光化合物：其中n为1或0，A选自式2：其中D选自式3：“L1”和“L2”各自独立地选自式4： 其中式2中的R 1选自氢或苯基，X，Y和Z各自独立地选自碳和氮，并且其中选自X，Y和Z中的至少两个是氮，R 2在 式4选自氢和C 1烷基中的一个通过C 10烷基。