公开(公告)号：US20220173323A1

公开(公告)日：2022-06-02

申请号：US17539410

申请日：2021-12-01

Applicant: LG Display Co., Ltd.

Inventor： Young-Jun YU ,  Sang-Beom KIM ,  Hyun-Chul CHOI ,  Ji-Ho BAEK ,  In-Bum SONG ,  Jeong-Dae SEO ,  Sun-Kap KWON

IPC: H01L51/00 ,  C09K11/06 ,  H01L51/56 ,  H01L51/50

Abstract: An organic light emitting diode and an organic light emitting device containing the same are provided. The organic light emitting diode includes at least two emitting parts each of which includes independently an emitting material layer. Each of the emitting material layers includes independently an anthracene-based host having different deuterium substitution rates. The organic light emitting device includes the organic light emitting diode. Hosts with different deuterium substitution rates are introduced into each organic emitting material layer to improve luminous efficiency and luminous lifespan of the organic light emitting diode and the organic light emitting device.

公开(公告)号：US20240246996A1

公开(公告)日：2024-07-25

申请号：US18480435

申请日：2023-10-03

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

Inventor： Seon-Keun YOO ,  Young-Jun YU ,  Seong-Su JEON ,  Sang-Beom KIM ,  Gi-Baek LEE ,  Dae-Hyuk CHOI ,  Dong-Jun KIM ,  Jun-Tae MO

IPC: C07D498/14 ,  C07D513/14 ,  H10K50/11 ,  H10K85/30 ,  H10K85/60

CPC classification number: C07D498/14 ,  C07D513/14 ,  H10K50/11 ,  H10K85/342 ,  H10K85/656 ,  H10K85/6572

Abstract: The present disclosure relates to an organic compound and an organic light emitting diode and an organic light emitting device each including the same, and more specifically, relates to an emitting compound of following and an organic light emitting diode and an organic light emitting device each including the organometallic compound.

公开(公告)号：US20240244970A1

公开(公告)日：2024-07-18

申请号：US18369546

申请日：2023-09-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Sang-Beom KIM ,  Young-Jun YU ,  Seon-Keun YOO ,  Dae-Wi YOON ,  Su-Na CHOI ,  Seong-Su JEON ,  Ji-Yun KIM ,  Yong-Hwan KIM ,  Jin-Hwan PARK

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06

CPC classification number: H10K85/658 ,  C09K11/02 ,  C09K11/06 ,  H10K85/615 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/12

Abstract: The present invention relates to an organic light emitting diode including first and second electrodes facing each other; and a first emitting part including a first blue emitting layer, a second blue emitting layer, an electron transporting layer and positioned between the first and second electrode, wherein the first blue emitting layer includes a first host and a first dopant, and the second blue emitting layer includes a second host and a second dopant, wherein the first host is an anthracene derivative having a first deuteration ratio, and the second host is an anthracene derivative having a second deuteration ratio smaller than the first deuteration ratio, wherein the first dopant is a first compound represented by Formula 3, and wherein the first electron transporting layer includes at least one of a first electron transporting material represented by Formula 9 and a second electron transporting material represented by Formula 10.

公开(公告)号：US20230217818A1

公开(公告)日：2023-07-06

申请号：US17969924

申请日：2022-10-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Sang-Beom KIM ,  Young-Jun YU ,  Seon-Keun YOO

IPC: H01L51/00 ,  C07D495/16

CPC classification number: H01L51/0071 ,  C07D495/16 ,  H01L51/0072 ,  H01L51/006 ,  H01L51/0073 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/5044

Abstract: An organic compound including a first moiety having a hetero-ring fused acridine moiety and a second moiety having a quinazoline ring linked to the first moiety directly or via a bivalent linking group is disclosed. In the organic compound, at least one hydrogen atom may be substituted with deuterium or a deuterium-substituted group. An organic light emitting diode (OLED) and an organic light emitting device including the organic compound are also disclosed. The driving voltage of the OLED can be lowered and the luminous efficiency and the luminous lifespan of the OLED can be maximized or increased by adding the organic compound into an emissive layer of the OLED.

公开(公告)号：US20220209115A1

公开(公告)日：2022-06-30

申请号：US17522620

申请日：2021-11-09

Applicant: LG DISPLAY CO., LTD.

Inventor： Young-Jun YU ,  Sang-Beom KIM ,  Jung-Keun KIM ,  Jeong-Dae SEO ,  Sung-Hoon KIM ,  Kwang-Seok DO ,  Dong-Hun LEE ,  Won-Bin KIM

IPC: H01L51/00 ,  C09K11/06

Abstract: An organic light emitting diode and an organic light emitting device including the same are described. The organic light emitting diode can include a first electrode, a second electrode facing the first electrode, and a first emitting part including a red emitting material layer and a first hole transporting layer and positioned between the first and second electrodes. The red emitting material layer can include a first red host and a red dopant, and the first hole transporting layer can include a hole transporting material and is positioned between the first electrode and the red emitting material layer. At least one of the first red host and the hole transporting material is a compound of the following Formula:

公开(公告)号：US20200052240A1

公开(公告)日：2020-02-13

申请号：US16656434

申请日：2019-10-17

Applicant: LG Display Co., Ltd.

Inventor： Hak-Min LEE ,  Young-Jun YU ,  Hee-Jin KIM ,  Sung-Soo PARK

IPC: H01L51/52 ,  G09G3/3258

Abstract: Provided are an electroluminescent device and an electroluminescent display device. The electroluminescent device includes an anode and a cathode facing each other, a light compensation layer located between the anode and the cathode and having a first refractive index, and an emitting material layer located between the light compensation layer and the cathode, and having a second refractive index higher than the first refractive index.