公开(公告)号：US20230110454A1

公开(公告)日：2023-04-13

申请号：US17872763

申请日：2022-07-25

Applicant: LG DISPLAY CO., LTD. ,  ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Kusun CHOUNG ,  Hansol PARK ,  Yoojeong JEONG ,  Kyoung-Jin PARK ,  Hyun KIM ,  Jin Ri HONG ,  Yeon Gun LEE

IPC: C07F15/00 ,  H01L51/00 ,  C07D209/82 ,  H01L51/50

Abstract: Disclosed is an organometallic compound represented by a following Chemical Formula 1. The organometallic compound acts as a dopant of a light-emitting layer of an organic light-emitting diode. Thus, operation voltage of the diode is lowered, and luminous efficiency and lifespan thereof are improved: Ir(LA)m(LB)n  [Chemical Formula 1] where in the Chemical Formula 1, LA represents a main ligand having an imidazole or benzimidazole group, and includes one selected from a group consisting of following Chemical Formula 2-1, Chemical Formula 2-2, Chemical Formula 2-3, Chemical Formula 2-4, Chemical Formula 2-5, Chemical Formula 2-6, Chemical Formula 2-7 and Chemical Formula 2-8, LB denotes an ancillary ligand represented by a following Chemical Formula 3, each of m and n denotes a number of the ligands bound to Ir (iridium), and m is 1, 2 or 3, and n is 0, 1 or 2, and a sum of m and n is 3

公开(公告)号：US20220209140A1

公开(公告)日：2022-06-30

申请号：US17532787

申请日：2021-11-22

Applicant: LG DISPLAY CO., LTD. ,  ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Hee-Jun PARK ,  Ku-Sun CHOUNG ,  Yoo-Jeong JEONG ,  Sung-Jin PARK ,  Jae-Min MOON ,  Hee-Ryong KANG ,  Kyoung-Jin PARK ,  Hyun KIM ,  Ga-Won LEE ,  Seung-Hyun YOON

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06

Abstract: The present disclosure relates to an organic metal compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the organic metal compound. The OLED and the organic light emitting device including the organic metal compound can improve their luminous efficiency, luminous color purity and lifespan. |r(LA)m(LB)n   [Formula 1]

公开(公告)号：US20210104692A1

公开(公告)日：2021-04-08

申请号：US17039462

申请日：2020-09-30

Applicant: LG DISPLAY CO., LTD. ,  ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Dohan KIM ,  Hyeseung KANG ,  Kyoung-Jin PARK ,  Ji-Song JUN ,  Chi-Sik KIM

IPC: H01L51/00

Abstract: Disclosed herein is an organic light emitting diode device. The organic light emitting diode device includes an anode, a cathode and a light emitting layer. The light emitting layer has a structure where a blue light emitter and a red/green simultaneous light emitter are stacked. The red/green simultaneous light emitter has a structure where a red light emitter and a green light emitter are stacked. The red light emitter includes a red host compound, and in some embodiments, the red host compound includes a spirobisfluorene-based compound where an aryl amino group is substituted. The green light emitter includes a green host compound, and the green host compound includes a mixture of a first green host compound and a second green host compound. In some embodiments, the first green host compound includes a biscarbazole-based compound and the second green host compound includes an indolocarbazole-based compound.

公开(公告)号：US20240376376A1

公开(公告)日：2024-11-14

申请号：US18657371

申请日：2024-05-07

Applicant: LG Display Co., Ltd. ,  DuPont Specialty Materials Korea Ltd.

Inventor： Kusun Choung ,  Misang Yoo ,  Hansol Park ,  Yoojeong Jeong ,  Soonjae Hwang ,  Kyoung-Jin PARK ,  Hyun Kim ,  Jin Ri HONG ,  Yeon Gun LEE

IPC: C09K11/06 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K85/30

Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.

公开(公告)号：US20230117909A1

公开(公告)日：2023-04-20

申请号：US17873639

申请日：2022-07-26

Applicant: LG DISPLAY CO., LTD. ,  ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Kusun CHOUNG ,  Hansol PARK ,  Yoojeong JEONG ,  Kyoung-Jin PARK ,  Hyun KIM ,  Jin Ri HONG ,  Yeon Gun LEE

IPC: C07F15/00 ,  H01L51/50 ,  H01L51/00

Abstract: Disclosed is an organometallic compound represented by a following Chemical Formula 1. The organometallic compound acts as a dopant of a light-emitting layer of an organic light-emitting diode. Thus, operation voltage of the diode is lowered, and luminous efficiency and lifespan thereof are improved: Ir(LA)m(LB)n  [Chemical Formula 1] where in the Chemical Formula 1, LA represents a main ligand, and is one selected from a group consisting of Chemical Formula 2-1, Chemical Formula 2-2, and Chemical Formula 2-3, LB denotes an ancillary ligand represented by a Chemical Formula 3, each of m and n denotes a number of the ligands bound to Ir (iridium), and m is 1, 2 or 3, and n is 0, 1 or 2, and a sum of m and n is 3.

公开(公告)号：US20210198298A1

公开(公告)日：2021-07-01

申请号：US17135414

申请日：2020-12-28

Applicant: LG Display Co., Ltd. ,  Rohm and Haas Electronic Materials Korea Ltd.

Inventor： HeeJun PARK ,  Jaemin MOON ,  Kusun CHOUNG ,  Hee Ryong KANG ,  Hyun KIM ,  Ga Won LEE ,  Seung Hyun YOON ,  Kyoung-Jin PARK

IPC: C07F15/00 ,  H01L51/00

Abstract: A new luminescent material and an electroluminescent display device using the same are disclosed, in which the luminescent material includes a compound expressed by the following chemical formula 1 and may be used as a dopant of a light emitting layer of a green, yellow-green or red color:

公开(公告)号：US20150001486A1

公开(公告)日：2015-01-01

申请号：US14098098

申请日：2013-12-05

Applicant: LG Display Co., Ltd.

Inventor： Kang-Hyun KIM ,  Ki-Soub YANG ,  Dae-Jung CHOI ,  Seung-Ryul CHOI ,  Han-Hee KIM ,  Kyoung-Jin PARK

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3246 ,  H01L51/5284

Abstract: An organic light emitting diode display device includes a first substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the first substrate and in each of the plurality of pixel regions; a first bank on edges of the first electrode and including an insulating material blocking penetration of light; a second bank on the first bank and including an insulating material having a hydrophobic property; an organic light emitting layer on the first electrode and a portion of the first bank; and a second electrode on the organic light emitting layer and covering an entire surface of the display region.

Abstract translation: 一种有机发光二极管显示装置，包括：第一基板，包括显示区域，其中在所述显示区域中限定多个像素区域; 所述第一电极在所述第一基板上以及所述多个像素区域中的每一个中; 第一组在第一电极的边缘上并且包括阻挡光穿透的绝缘材料; 第一银行的第二银行并且具有疏水性的绝缘材料; 第一电极上的有机发光层和第一堤岸的一部分; 和有机发光层上的第二电极，并覆盖显示区域的整个表面。

公开(公告)号：US20240381758A1

公开(公告)日：2024-11-14

申请号：US18657262

申请日：2024-05-07

Applicant: LG Display Co., Ltd. ,  DuPont Specialty Materials Korea Ltd.

Inventor： Kusun Choung ,  Misang Yoo ,  Hansol Park ,  Yoojeong Jeong ,  Soonjae Hwang ,  Kyoung-Jin PARK ,  Hyun Kim ,  Jin Ri HONG ,  Yeon Gun LEE

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06 ,  H10K50/12

Abstract: An organometallic compound represented by Chemical Formula 1, Ir(LA)m(LB)n, and an organic light-emitting diode including the same. The organometallic compound may act as a dopant of a light-emitting layer of the organic light-emitting diode. An operation voltage of the device may be lowered, and luminous efficiency and a lifespan thereof may be improved.

公开(公告)号：US20220209131A1

公开(公告)日：2022-06-30

申请号：US17538294

申请日：2021-11-30

Applicant: LG DISPLAY CO., LTD. ,  ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.

Inventor： Young-Jun YU ,  Sang-Beom KIM ,  Do-Han KIM ,  Jeong-Dae SEO ,  Chi-Sik KIM ,  Kyoung-Jin PARK ,  Soo-Yong LEE ,  Seung-Hoon YOO

IPC: H01L51/00 ,  C07C15/28 ,  C09K11/06 ,  C07D491/048 ,  C07D209/86

Abstract: An organic light emitting diode and an organic light emitting device including the same are discussed. The organic light emitting diode can include a first electrode, a second electrode facing the first electrode, and a first emitting part including a green emitting material layer and positioned between the first and second electrodes. The green emitting material layer can include a first host, a second host and a dopant, wherein at least one of the first host and the second host is deuterated.

公开(公告)号：US20170005151A1

公开(公告)日：2017-01-05

申请号：US15198808

申请日：2016-06-30

Applicant: LG Display Co., Ltd.

Inventor： Kang-Hyun KIM ,  Ki-Soub YANG ,  Seung-Ryul CHOI ,  Kyoung-Jin PARK

IPC: H01L27/32

CPC classification number: H01L27/3246 ,  H01L27/3218 ,  H01L27/3276

Abstract: An organic light emitting diode display device (100) including: a plurality of pixels (101, 102, 103) each including first (101a, 102a, 103a), second (101b, 102b, 103b) and third sub-pixels (101c, 102c, 103c), wherein the first sub-pixels (101a, 102a, 103a) of adjacent pixels (101, 102, 103), the second sub-pixels (101b, 102b, 103b) of adjacent pixels (101, 102, 103) and the third sub-pixels (101c, 102c, 103c) of adjacent pixels (101, 102, 103) constitute a plurality of sub-pixel groups (150); a first bank layer (171) dividing the plurality of sub-pixel groups (150) and dividing the first (101a, 102a, 103a), second (101b, 102b, 103b) and third sub-pixels (101c, 102c, 103c); and a second bank layer (173) on the first bank layer (171), the second bank layer (173) dividing the first (101a, 102a, 103a), second (101b, 102b, 103b) and third sub-pixels (101c, 102c, 103c).

Abstract translation: 一种有机发光二极管显示装置，包括：多个像素（101,102,103），每个像素包括第一（101a，102a，103a），第二（101b，102b，103b）和第三子像素（101c， 102c，103c），其中相邻像素（101,102,103）的第一子像素（101a，102a，103a），相邻像素（101,102,103）的第二子像素（101b，102b，103b） ）和相邻像素（101,102,103）的第三子像素（101c，102c，103c）构成多个子像素组（150）; 将所述多个子像素组（150）分割并分割所述第一（101a，102a，103a），第二（101b，102b，103b）和第三子像素（101c，102c，103b）的第一存储体层（171） ; 以及在所述第一堤层（171）上的第二堤层（173），所述第二堤层（173）将所述第一（101a，102a，103a），第二（101b，102b，103b）和第三子像素 ，102c，103c）。