公开(公告)号：US20240251673A1

公开(公告)日：2024-07-25

申请号：US18400405

申请日：2023-12-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Ji Cheol SHIN ,  Seon Keun YOO ,  Su Bin AHN

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/17 ,  H10K50/19

CPC classification number: H10K85/6572 ,  H10K50/11 ,  H10K50/171 ,  H10K85/615 ,  H10K85/654 ,  H10K50/19

Abstract: Embodiments of the disclosure relate to an organic light emitting element and a display device. Specifically, there may be provided an organic light emitting element including a first compound represented by chemical formula 1 and a second compound represented by chemical formula 2 to provide excellent efficiency, long lifespan or low driving voltage and a display device including the organic light emitting element.

公开(公告)号：US20220416176A1

公开(公告)日：2022-12-29

申请号：US17636216

申请日：2021-08-02

Applicant: LG DISPLAY CO., LTD.

Inventor： Dae Wi YOON ,  Seon Keun YOO ,  Seong Su JEON

IPC: H01L51/00 ,  C07D471/04 ,  C09K11/06

Abstract: The present disclosure relates to an organic compound of Formula, and an organic light emitting diode and an organic light emitting display device including the organic compound. In Formula, X is oxygen (O) or sulfur (S), and each of R1 to R4 is independently selected from the group consisting of deuterium, halogen, cyano, C1 to C10 alkyl group, C1 to C10 alkoxy group, C3 to C30 cycloalkyl group, C6 to C30 aryl group, C6 to C30 arylamino group, and C5 to C30 heteroaryl group, wherein each of L1 and L2 is independently selected from the group consisting of C6 to C30 arylene group and C5 to C30 heteroarylene group, and wherein each of a and b is independently 0 or 1, each of c and f is independently an integer of 0 to 3, and each of d and e is independently an integer of 0 to 2.

公开(公告)号：US20220231236A1

公开(公告)日：2022-07-21

申请号：US17617905

申请日：2021-06-15

Applicant: LG DISPLAY CO., LTD

Inventor： Dae Wi YOON ,  Seon Keun YOO ,  Shin Han KIM ,  Min Gi HONG ,  Seong Su JEON ,  Ji Cheol SHIN

IPC: H01L51/00 ,  C07D471/04 ,  C09K11/06

Abstract: The present disclosure relates to an organic compound having the following structure of Formula 1, an organic light emitting diode (OLED) where an electron transport layer and/or a charge generation layer includes the organic compound and an organic light emitting device including the organic light emitting diode. While only the specific moiety in the organic compound is deuterated, the organic compound can implement excellent luminous efficiency and luminous lifespan as a compound where all the carbon atoms are deuterated. The OLED can maximize its luminous efficiency and luminous lifespan with minimizing utilization of expensive deuterium.

公开(公告)号：US20210408395A1

公开(公告)日：2021-12-30

申请号：US17288784

申请日：2020-08-31

Applicant: LG DISPLAY CO., LTD.

Inventor： Seon Keun YOO ,  Ji Cheol SHIN ,  Jeong Dae SEO

IPC: H01L51/00 ,  C07D471/04 ,  C09K11/06

Abstract: The present disclosure relates to an organic compound including a substituted or non-substituted phenanthroline moiety and a substituted or non-substituted anthracene moiety and being partially deuterated and an organic light emitting diode includes the organic compound. The organic compound has improved electron transporting property and/or the charge generation property. According, the emitting efficiency and the lifespan of the OLED and the organic light emitting display device including the organic compound in the ETL and/or the CGL are improved.