公开(公告)号：US20230189541A1

公开(公告)日：2023-06-15

申请号：US18072257

申请日：2022-11-30

Applicant: LG Display Co., Ltd.

Inventor： In-Ae SHIN ,  Hye-Li MIN ,  Young-Ju RYU ,  Ji-Ae LEE ,  Gi-Hwan LIM ,  Jun-Yun KIM

IPC: H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/18 ,  H10K50/818 ,  H10K50/828 ,  H10K59/35 ,  H10K85/60 ,  H10K85/30

CPC classification number: H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/181 ,  H10K50/818 ,  H10K50/828 ,  H10K59/35 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/652 ,  H10K85/658 ,  H10K85/342 ,  H10K2102/101

Abstract: An organic light emitting display device includes a substrate including first to third pixel regions; and an organic light emitting diode including a transparent electrode, a reflective electrode and a light emitting layer between the transparent electrode and the reflective electrode. The light emitting layer in the organic light emitting diode in the first pixel region includes a first emitting part including a first emitting material layer and a second emitting part including a second emitting material layer. The light emitting layer in the organic light emitting diode in the second pixel region includes a third emitting part including a third emitting material layer and fourth emitting part including a fourth emitting material layer. Each of the first and fourth emitting material layers is a fluorescent emitting layer, and each of the second and third emitting material layers is a phosphorescent emitting layer.

公开(公告)号：US20210163504A1

公开(公告)日：2021-06-03

申请号：US17103097

申请日：2020-11-24

Applicant: LG DISPLAY CO., LTD.

Inventor： In-Ae SHIN ,  Kyung-Jin YOON ,  Dae-Wi YOON ,  Suk-Young BAE ,  Mi-Sang YOO

IPC: C07F5/02 ,  H01L51/00 ,  H01L51/50

Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound includes an electron donor moiety separated from an electron acceptor moiety, thus has delayed fluorescent properties. Applying the organic compound into an emissive layer makes the OLED and the organic light emitting device can allows the OLED and the organic light emitting device to improve their luminous efficiency.

公开(公告)号：US20210155566A1

公开(公告)日：2021-05-27

申请号：US17100047

申请日：2020-11-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Suk-Young BAE ,  Kyung-Jin YOON ,  Dae-Wi YOON ,  In-Ae SHIN ,  Mi-Sang YOO

IPC: C07C13/62 ,  H01L51/00 ,  C07D407/10 ,  C07C211/54

Abstract: The present disclosure provides an organic compound of following formula and an organic light emitting diode and an OLED device including the organic compound.

公开(公告)号：US20210070740A1

公开(公告)日：2021-03-11

申请号：US17012363

申请日：2020-09-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Mi-Sang YOO ,  Kyung-Jin YOON ,  Dae-Wi YOON ,  In-Ae SHIN ,  Suk-Young BAE

IPC: C07D407/10 ,  C07C13/62 ,  C07C211/61 ,  C07D401/12 ,  C07D403/10 ,  C07D307/91 ,  H01L51/00 ,  H01L51/50

Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. Applying the organic compound into an emissive layer makes the OLED and the organic light emitting device lower their driving voltage, improves their luminous efficiency and color purity.

公开(公告)号：US20160133856A1

公开(公告)日：2016-05-12

申请号：US14938723

申请日：2015-11-11

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 ,  C07D219/02 ,  C09K11/06 ,  C07D495/04 ,  C07D401/10 ,  C07D471/04 ,  C07D409/14 ,  C07D401/14 ,  H01L27/32 ,  C09K11/02

CPC classification number: H01L51/0072 ,  C07D219/02 ,  C07D401/10 ,  C07D401/14 ,  C07D409/14 ,  C07D471/04 ,  C07D495/04 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/1092 ,  H01L27/3244 ,  H01L51/005 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0074 ,  H01L51/0094 ,  H01L51/0097 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5253 ,  H01L2251/301 ,  H01L2251/308 ,  H01L2251/552

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.

Abstract translation: 实施方案涉及式1的延迟荧光化合物或式2：三重态的激子被引入发射，使得延迟的荧光化合物的发射效率增加。 实施例还涉及具有包括延迟荧光化合物的有机发光二极管（OLED）的显示装置。

公开(公告)号：US20240188416A1

公开(公告)日：2024-06-06

申请号：US18376407

申请日：2023-10-03

Applicant: LG DISPLAY CO., LTD.

Inventor： In-Ae SHIN ,  Kyung-Jin YOON ,  Hye-Li MIN ,  Gi-Hwan LIM ,  Jong-Uk KIM ,  Jun-Yun KIM ,  Joon-Beom IM

IPC: H10K85/20 ,  C09K11/02 ,  H10K50/12 ,  H10K50/13 ,  H10K50/19 ,  H10K59/122 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60

CPC classification number: H10K85/20 ,  C09K11/02 ,  H10K50/12 ,  H10K50/13 ,  H10K50/19 ,  H10K59/122 ,  H10K85/346 ,  H10K85/40 ,  H10K85/622 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  H10K85/658 ,  H10K2101/20

Abstract: An organic light emitting device including: a substrate defining a first pixel region and a second pixel region; and an organic light emitting diode over the substrate. The organic light emitting diode includes a transmissive electrode, a reflective electrode facing the transmissive electrode and an emissive layer disposed between the transmissive electrode and the reflective electrode. The emissive layer includes a first emissive layer and a second emissive layer. The first emissive layer is in the first pixel region and includes: a first blue emitting material layer including a first blue fluorescent compound, and a second blue emitting material layer including a second blue fluorescent compound and a blue phosphorescent compound. The second emissive layer is in the second pixel region and includes: a first green emitting material layer including a first green delayed fluorescent compound, and a second green emitting material layer including a second green delayed fluorescent compound.

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：US20210066612A1

公开(公告)日：2021-03-04

申请号：US17011748

申请日：2020-09-03

Applicant: LG DISPLAY CO., LTD.

Inventor： In-Ae SHIN ,  Suk-Young BAE ,  Kyung-Jin YOON

IPC: H01L51/00 ,  C07D401/14

Abstract: The present disclosure relates to an organic compound having improved luminescent properties, an organic light emitting diode and organic light emitting device including the organic compound, the organic compound having the following structure. The organic compound is a bipolar compound having both a p-type moiety and an n-type moiety and has high energy level, large energy bandgap and improved thermal stability. Applying the organic compound into an emissive layer of the OLED allows holes and electrons to be recombined at whole area of an emitting material layer, and thereby enhancing the luminous efficiency and the luminous lifetime of the OLED.

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.