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公开(公告)号:US11524947B2
公开(公告)日:2022-12-13
申请号:US16719467
申请日:2019-12-18
Applicant: LG Display Co., Ltd.
Inventor: So-Young Jang , Hee-Jun Park , Jeong-Dae Seo , Seon-Keun Yoo , Ji-Cheol Shin , Sang-Beom Kim
IPC: H01L51/00 , C07D307/91 , C07D333/76 , C07D407/12 , C07D409/12 , H01L51/50
Abstract: An organic compound having a tetraphenyl moiety and at least one fused hetero aryl moiety having at least one oxygen and/or sulfur on a ring and bonded to the tetraphenyl moiety directly or indirectly, and a light emitting diode and a light emitting device having the organic compound are disclosed. The organic compound has excellent thermal resistance property and hole mobility property. The organic compound can be incorporated into a hole transfer layer, an electron blocking layer and/or a charge generation layer of the light emitting diode. Therefore, the light emitting diode and light emitting device according to the present invention have decreased driving voltage and enhanced luminous efficiency.
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公开(公告)号:US20220216408A1
公开(公告)日:2022-07-07
申请号:US17519507
申请日:2021-11-04
Applicant: LG Display Co., Ltd.
Inventor: Su-Na Choi , In-Bum Song , Jeong-Dae Seo
IPC: H01L51/00 , C07F5/02 , C09K11/06 , C07C15/28 , C07D307/91 , C07D307/77
Abstract: The present disclosure relates to an organic light emitting device that includes a substrate, and an organic light emitting diode positioned on the substrate and including a first electrode, a second electrode facing the first electrode, and a first emitting material layer including a first dopant of a boron derivative and a first host of an anthracene derivative and positioned between the first and second electrodes, wherein the first host is deuterated.
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公开(公告)号:US09831291B2
公开(公告)日:2017-11-28
申请号:US15649550
申请日:2017-07-13
Applicant: LG Display Co., Ltd.
Inventor: Jeong-Haeng Heo , Jeong-Dae Seo
CPC classification number: H01L27/3209 , H01L27/322 , H01L51/504 , H01L51/5056 , H01L2251/558
Abstract: An organic light emitting display device includes first and second electrodes facing each other on a substrate, a charge generation layer formed between first and second electrodes, a first light emitting unit including a first emission layer formed between the first electrode and the charge generation layer, a hole transport layer supplying holes from the first electrode to the first emission layer, and a second light emitting unit including a second emission layer formed between the second electrode and the charge generation layer, a hole transport layer supplying holes from the charge generation layer to the second emission layer, wherein a total thickness of the hole transport layer of the first light emitting unit is greater than that of the hole transport layer of the second light emitting unit.
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公开(公告)号:US10862044B2
公开(公告)日:2020-12-08
申请号:US15606679
申请日:2017-05-26
Applicant: LG DISPLAY CO., LTD.
Inventor: Ki-Dong Koo , Jung-Keun Kim , Do-Han Kim , Jeong-Dae Seo , Seon-Keun Yoo , Seung-Hee Yoon , Ji-Cheol Shin
IPC: H01L51/50 , H01L51/54 , H01L51/00 , C07C211/61 , C07D495/10 , C07D491/107 , C07D471/10 , C07D333/78 , C07D307/94 , C07D491/20 , C07F7/08 , C07D209/96 , C07D405/14 , C07D491/22 , C07D521/00 , H01L27/32
Abstract: The present disclosure relates to an organic compound, a light emitting diode and an organic light emitting diode display device using the same. The organic compound is represented by a following chemical formula 1. This organic compound has the advantages in the thermal stability, the emission property, the color purity, the hole transport property and the hole movement property, and thus the lifetime, the emission efficiency and the emission property of the LED using the same are improved.
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公开(公告)号:US09431614B2
公开(公告)日:2016-08-30
申请号:US13683471
申请日:2012-11-21
Applicant: LG DISPLAY CO., LTD.
Inventor: Jeong-Dae Seo , Chang-Wook Han , Yoon-Heung Tak , Hyo-Seok Kim , Eun-Ju Jeon , Hye-Seung Kang
CPC classification number: H01L51/0054 , H01L51/006 , H01L51/0067 , H01L51/0081 , H01L51/0085 , H01L51/5048 , H01L51/5278
Abstract: Discussed is an organic light emitting device that exhibits improved efficiency and driving voltage by applying a novel material facilitating charge generation to a charge generation layer. The charge generation layer contains a compound represented by the following formulae: wherein R1, R2, R3, R4, R5, R6, R7 and R8 are optionally substituted and are independently selected from an aromatic group having 6 to 20 carbon atoms, and R9 and R10 are independently selected from hydrogen, an optionally substituted aromatic ring having 6 to 20 carbon atoms and an optionally substituted heterocyclic compound having 3 to 17 carbon atoms and one or more elements of N, S and P.
Abstract translation: 讨论了通过应用促进电荷产生层的电荷产生的新型材料,显示出提高的效率和驱动电压的有机发光器件。 电荷产生层含有由下式表示的化合物:其中R1,R2,R3,R4,R5,R6,R7和R8任选被取代,并且独立地选自具有6至20个碳原子的芳族基团,R 9和 R 10独立地选自氢,任选取代的具有6至20个碳原子的芳环和具有3至17个碳原子的任选取代的杂环化合物和N,S和P的一种或多种元素。
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公开(公告)号:US20140183475A1
公开(公告)日:2014-07-03
申请号:US14097675
申请日:2013-12-05
Applicant: LG DISPLAY CO., LTD.
Inventor: Ki-Woog Song , Chang-Wook Han , Hong-Seok Choi , Sung-Hoon Pieh , Jeong-Dae Seo , Seok-Joon Oh , Youn-Seok Kam
IPC: H01L51/50
CPC classification number: H01L51/5044 , H01L27/3213 , H01L51/5004 , H01L51/5278 , H01L2251/552
Abstract: An organic light emitting display device includes a first electrode and a second electrode disposed on a substrate opposite to each other, a first stack including a hole injection layer, a first hole transport layer, a first light emitting layer, and a first electron transport layer sequentially stacked on the first electrode, a second stack including a second hole transport layer, a second light emitting layer, and a second electron transport layer sequentially stacked between the first stack and the second electrode, and a charge generation layer disposed between the first stack and the second stack and including an N-type charge generation layer and a P-type charge generation layer to control charge balance between the first and second stacks. The P-type charge generation layer is doped with 1% to 20% of a hole transport material based on a volume of the P-type charge generation layer.
Abstract translation: 有机发光显示装置包括第一电极和设置在彼此相对的基板上的第二电极,第一堆叠包括空穴注入层,第一空穴传输层,第一发光层和第一电子传输层 依次堆叠在第一电极上,第二堆叠包括依次堆叠在第一堆叠和第二电极之间的第二空穴传输层,第二发光层和第二电子传输层,以及电荷产生层,设置在第一堆叠 和第二堆叠,并且包括N型电荷产生层和P型电荷产生层,以控制第一和第二堆叠之间的电荷平衡。 基于P型电荷产生层的体积,P型电荷产生层掺杂1%至20%的空穴传输材料。
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公开(公告)号:US11469378B2
公开(公告)日:2022-10-11
申请号:US16436603
申请日:2019-06-10
Applicant: LG Display Co., Ltd. , PnH Tech
Inventor: Seon-Keun Yoo , Hee-Jun Park , Jeong-Dae Seo , Seo-Yong Hyun , Ha-Yeon Kim , Seok-Keun Yoon , Sun-Gi Kim , In-Ho Lee
IPC: H01L51/00 , C09K11/06 , C07D307/91 , C07C211/61 , C07D213/22 , C07C211/54 , H01L51/50
Abstract: The present invention provides an electroluminescent compound of one of following formulas Formula 1 and Formula 2. Another aspect of the invention is an electroluminescent device including a first electrode; a second electrode facing the first electrode; and at least one organic material layer between the first and second electrodes, wherein one or more of the at least one organic material layer includes the electroluminescent compound.
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公开(公告)号:US20220216409A1
公开(公告)日:2022-07-07
申请号:US17520606
申请日:2021-11-05
Applicant: LG Display Co., Ltd.
Inventor: Su-Na Choi , In-Bum Song , Jeong-Dae Seo
IPC: H01L51/00 , C07F5/02 , C09K11/06 , C07C15/28 , C07D307/91 , C07D307/77 , C07C211/61 , C07D209/86 , C07D333/76 , C07D403/14 , C07D403/10 , C07D401/14 , C07D401/10 , C07D471/10 , C07D251/24
Abstract: The present disclosure relates to an organic light emitting device that includes a substrate, and an organic light emitting diode positioned on the substrate and including a first electrode, a second electrode facing the first electrode, a first emitting material layer including a first dopant of a boron derivative and a first host of an anthracene derivative and positioned between the first and second electrodes, a first electron blocking layer including an electron blocking material and positioned between the first electrode and the first emitting material layer, and a first hole blocking layer including a hole blocking material and positioned between the second electrode and the first emitting material layer, wherein the first host is deuterated.
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公开(公告)号:US20220209119A1
公开(公告)日:2022-06-30
申请号:US17523374
申请日:2021-11-10
Applicant: LG DISPLAY CO., LTD.
Inventor: Su-Na Choi , In-Bum Song , Jeong-Dae Seo
IPC: H01L51/00
Abstract: The present disclosure relates to an organic light emitting device. In particular, the present disclosure relates to an organic light emitting diode and an organic light emitting device each of which includes at least one emitting material layer including a boron-based dopant and an anthracene-based host substituted with at least one deuterium, at least one electron blocking layer including an amine-based compound substituted with at least one polycyclic aryl, and optionally at least one hole blocking layer including an azine-based or a benzimidazole-based compound. The organic light emitting diode and the organic light emitting device has improved luminous efficiency and enhanced luminous lifespan.
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10.
公开(公告)号:US20220209118A1
公开(公告)日:2022-06-30
申请号:US17470859
申请日:2021-09-09
Applicant: LG Display Co., Ltd.
Inventor: Su-Na Choi , In-Bum Song , Jeong-Dae Seo
Abstract: The present disclosure relates to a luminescent compound having the following structure of Formula 1, an organic light emitting diode (OLED) and an organic light emitting device that includes the luminescent compound. The OLED and the organic light emitting device including the luminescent compound can improve their luminous efficiency and luminous lifespan.
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