-
公开(公告)号：US20240074312A1
公开(公告)日：2024-02-29
申请号：US18351774
申请日：2023-07-13
Inventor： Hyun-Ju KANG , Hyo-Jung LEE , Doo-Hyeon MOON , Kyoung-Jin PARK , Yea-Mi SONG , Mi-Ja LEE , DaiKyu KIM , Hyun KIM
IPC: H10K85/60 , C07D413/14 , C09K11/06
CPC classification number: H10K85/6574 , C07D413/14 , C09K11/06 , H10K85/657 , H10K85/654 , H10K50/11
Abstract: The present disclosure relates to a plurality of host materials comprising a first host material comprising at least one compound represented by formula 1 and a second host material comprising at least one compound represented by formula 2, and an organic electroluminescent device comprising the same. An organic electroluminescent device having significantly improved lifetime properties is provided by comprising a specific combination of compounds according to the present disclosure as host materials.
-
2.发明公开公开(公告)号：US20230276690A1
公开(公告)日：2023-08-31
申请号：US17896508
申请日：2022-08-26
Inventor： Hyun KIM , Kyoung-Jin Park , So-Young Jung , Kyung-Hoon Choi , Seung-Ae Kim , Jin-Ri Hong , So-Mi Park , Mi-Ja Lee , Hyun-Woo Kang
IPC: H01L51/00 , C07F15/00 , C09K11/06 , C07D409/14 , C07D495/04 , C07D403/14 , C07D209/86
CPC classification number: H01L51/0085 , C07D209/86 , C07D403/14 , C07D409/14 , C07D495/04 , C07F15/0033 , C09K11/06 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0074 , H01L51/5012
Abstract: The present disclosure relates to an organic electroluminescent device including a first electrode; a second electrode; and at least one light-emitting layer(s) positioned between the first electrode and the second electrode, and wherein the light-emitting layer includes a host comprising a compound represented by formula 1 and a compound represented by formula 2, and a dopant comprising a compound represented by formula 3, so that the present disclosure may provide an organic electroluminescent device having high efficiency and long lifespan property.
-
公开(公告)号：US20230110454A1
公开(公告)日：2023-04-13
申请号：US17872763
申请日：2022-07-25
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
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
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]
-
5.发明申请公开(公告)号：US20190312218A1
公开(公告)日：2019-10-10
申请号：US16462985
申请日：2017-12-26
Inventor： Hyun KIM , Dong-Hyung LEE
Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having low driving voltage and/or high luminous efficiency properties while exhibiting deep red color compared to a conventional organic electroluminescent device.
-
Patent Agency Ranking
公开(公告)号：US20230117909A1
公开(公告)日：2023-04-20
申请号：US17873639
申请日：2022-07-26
Inventor： Kusun CHOUNG , Hansol PARK , Yoojeong JEONG , Kyoung-Jin PARK , Hyun KIM , Jin Ri HONG , Yeon Gun LEE
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.
-
7.发明申请公开(公告)号：US20230096621A1
公开(公告)日：2023-03-30
申请号：US17848946
申请日：2022-06-24
Inventor： Hyo-Soon PARK , Mi-Ja LEE , Kyung-Hoon CHOI , Kyoung-Jin PARK , Jin-Ri HONG , So-Mi PARK , Hyun KIM
Abstract: The present disclosure relates to an organic electroluminescent compound comprising a ligand represented by formula 1, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound of the present disclosure, it is possible to provide an organic electroluminescent device having higher luminous efficiency and/or longer lifetime properties compared to a conventional organic electroluminescent device.
-
8.发明公开公开(公告)号：US20230320207A1
公开(公告)日：2023-10-05
申请号：US18075353
申请日：2022-12-05
Inventor： Hyun KIM , Hong-Se OH , Mi-Ja LEE , Ji-Won UM , Kyoung-Jin PARK , So-Mi PARK , Hyun-Woo KANG , Sang-Hee CHO
IPC: H10K85/60 , H10K85/40 , C07D405/14 , C07D405/04 , C07D405/10 , C07D407/10 , C07D409/10 , C07D311/82 , C07D409/14 , C07D311/88 , H10K50/11
CPC classification number: H01L51/0072 , C07D311/82 , C07D311/88 , C07D405/04 , C07D405/10 , C07D405/14 , C07D407/10 , C07D409/10 , C07D409/14 , H01L51/0054 , H01L51/0059 , H01L51/0061 , H01L51/0064 , H01L51/0067 , H01L51/0073 , H01L51/0074 , H01L51/0094 , H01L51/5012 , C07B2200/05
Abstract: The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds according to the present disclosure as a plurality of host materials, or by comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency and/or lifetime properties, compared to the conventional organic electroluminescent device.
-
公开(公告)号：US20220231229A1
公开(公告)日：2022-07-21
申请号：US17550562
申请日：2021-12-14
Inventor： Jeong-Eun Yang , Sang-Hee CHO , Hyo-Nim SHIN , Hyun KIM , Jeong-Hwan JEON , Jin-Ri HONG , Kyoung-Jin PARK
IPC: H01L51/00 , C07D405/04 , C07D251/24 , C07D405/08 , C07D413/10 , C07D487/04
Abstract: The present disclosure relates to an organic electroluminescent compound, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the organic electroluminescent compound according to the present disclosure as a single host material, or a specific combination of compounds according to the present disclosure as a plurality of host materials, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifetime properties.
-
10.发明公开公开(公告)号：US20240292739A1
公开(公告)日：2024-08-29
申请号：US18417102
申请日：2024-01-19
Inventor： Hyun KIM , Hyun-Woo KANG , Hong-Se OH , So-Mi PARK , Jin-Man KIM , Dong-Hyung LEE , Samuel KIM , Tae-Jin LEE
IPC: H10K85/60 , C07C211/61 , C07D307/91 , C07D333/76 , C09K11/06 , H10K50/11 , H10K50/15 , H10K50/18
CPC classification number: H10K85/633 , C07C211/61 , C07D307/91 , C07D333/76 , C09K11/06 , H10K85/636 , C07C2603/40 , C07C2603/86 , C09K2211/1003 , C09K2211/1018 , H10K50/11 , H10K50/156 , H10K50/181 , H10K85/622 , H10K85/626 , H10K85/6574 , H10K85/6576
Abstract: The present disclosure relates to an organic electroluminescent compound represented by formula 1 and an organic electroluminescent device comprising the same. By comprising an organic electroluminescent compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved current efficiency and/or lifetime properties.
-
-
-
-
-
-
-
-
-
Search Results
23
records
(took 0.02 seconds)
