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公开(公告)号：US20180102503A1
公开(公告)日：2018-04-12
申请号：US15828945
申请日：2017-12-01
Applicant: LG DISPLAY CO., LTD.
Inventor： Ki-Woog Song , JeongHaeng Heo , Taeil Kum , Seung Kim , Heedong Choi , HyungJune Kim
CPC classification number: H01L51/5278 , H01L27/3209 , H01L51/504 , H01L51/5265 , H01L2251/558
Abstract: An organic light emitting display device includes a first electrode and a second electrode on a substrate, the first electrode being opposite to the second electrode; and at least one emission part between the first electrode and the second electrode, the at least one emission part including at least one organic layer, wherein the at least one organic layer comprises a peak wavelength of electroluminescence (EL) spectrum (PWES) structure where a moving range of a peak wavelength of an EL spectrum emitted from the at least one emission part is set.
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公开(公告)号：US10050238B2
公开(公告)日：2018-08-14
申请号：US15814194
申请日：2017-11-15
Applicant: LG DISPLAY CO., LTD.
Inventor： Gwijeong Cho , ChangWook Han , Taeil Kum , Taeshick Kim , Heedong Choi , JiYoung Kim , Mingyu Lee , Taeseok Lim
Abstract: An organic light emitting display device can include a first electrode on a substrate; a first emission part on the first electrode, the first emission part including a first emission layer; a second emission part on the first emission part, the second emission part including a second emission layer; a third emission part on the second emission part, the third emission part including a third emission layer; and a second electrode on the third emission part, in which a first thickness between the substrate and the first emission layer, a second thickness between the first emission layer and the second emission layer, a third thickness between the second emission layer and the third emission layer, and a fourth thickness between the third emission layer and the second electrode are different from each other, and the first, second emission, and third emission parts include at least one organic layer.
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公开(公告)号：US09847513B2
公开(公告)日：2017-12-19
申请号：US14960918
申请日：2015-12-07
Applicant: LG DISPLAY CO., LTD.
Inventor： Gwijeong Cho , ChangWook Han , Taeil Kum , Taeshick Kim , Heedong Choi , JiYoung Kim , Mingyu Lee , TaeSeok Lim
CPC classification number: H01L51/5278 , H01L27/3206 , H01L27/3209 , H01L27/3244 , H01L51/5044 , H01L2251/558
Abstract: Discussed is an organic light emitting display device. The organic light emitting display device according to an embodiment includes a first electrode and a second electrode on a substrate to be opposite to each other and at least three emission parts between the first electrode and the second electrode. A first distance between the substrate and the first emission layer, a second distance between the first emission layer and the second emission layer, a third distance between the second emission layer and the third emission layer, and a fourth distance between the third emission layer and the second electrode are different from each other.
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公开(公告)号：US10249849B2
公开(公告)日：2019-04-02
申请号：US15828945
申请日：2017-12-01
Applicant: LG DISPLAY CO., LTD.
Inventor： Ki-Woog Song , JeongHaeng Heo , Taeil Kum , Seung Kim , Heedong Choi , HyungJune Kim
Abstract: An organic light emitting display device includes a first electrode and a second electrode on a substrate, the first electrode being opposite to the second electrode; and at least one emission part between the first electrode and the second electrode, the at least one emission part including at least one organic layer, wherein the at least one organic layer comprises a peak wavelength of electroluminescence (EL) spectrum (PWES) structure where a moving range of a peak wavelength of an EL spectrum emitted from the at least one emission part is set.
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公开(公告)号：US09570696B2
公开(公告)日：2017-02-14
申请号：US14710154
申请日：2015-05-12
Applicant: LG DISPLAY CO., LTD.
Inventor： Taeil Kum , Gwijeong Cho , KiWoog Song , Taeshick Kim
CPC classification number: H01L51/5044 , H01L51/002 , H01L51/504 , H01L51/5278 , H01L2251/558
Abstract: Provided is a white organic light emitting device which can improve abnormal light emission and efficiency and reliability of the device.A white organic light emitting device according to an exemplary embodiment of the present invention includes: a first light emitting unit including a first emitting layer between a first electrode and a second electrode; a second light emitting unit including a second emitting layer on the first light emitting unit; and a charge generation layer between the first light emitting unit and the second light emitting unit, and a volume of a metal in the charge generation layer is 1.0% or less of the total volume of the charge generation layer.
Abstract translation: 根据本发明的示例性实施例的白色有机发光器件包括：第一发光单元，包括在第一电极和第二电极之间的第一发光层; 第二发光单元，包括在第一发光单元上的第二发光层; 以及第一发光单元和第二发光单元之间的电荷产生层，电荷产生层中的金属体积为电荷产生层总体积的1.0％以下。
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Patent Agency Ranking
公开(公告)号：US10270063B2
公开(公告)日：2019-04-23
申请号：US15680402
申请日：2017-08-18
Applicant: LG DISPLAY CO., LTD.
Inventor： Taeil Kum , Ki-Woog Song , Seung Kim , Jaeseung Jang
Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a first emission part between a first electrode and a second electrode, a second emission part on the first emission part, and a first charge generation layer and a second charge generation layer between the first emission part and the second emission part. The first emission part includes a first organic layer, and the second emission part includes a second organic layer. A first thickness includes the first emission part and the first charge generation layer, and a second thickness includes the second emission part and the second charge generation layer. The first thickness is equal to or greater than the second thickness.
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公开(公告)号：US09859529B2
公开(公告)日：2018-01-02
申请号：US14939579
申请日：2015-11-12
Applicant: LG DISPLAY CO., LTD.
Inventor： Ki-Woog Song , JeongHaeng Heo , Taeil Kum , Seung Kim , Heedong Choi , HyungJune Kim
CPC classification number: H01L51/5278 , H01L27/3209 , H01L51/504 , H01L51/5265 , H01L2251/558
Abstract: Discussed is an organic light emitting display device for reducing a color defect or a color difference which occurs in the front or side of the organic light emitting display device. The organic light emitting display device can include a first electrode, a second electrode and an organic layer between the first electrode and the second electrode, the organic layer including at least one emission part. The organic layer is configured for a peak wavelength of an electroluminescence (EL) spectrum of the organic light emitting display device emitted from the at least one emission part to have a range from 10 nm less a predetermined peak wavelength to 10 nm more than the predetermined peak wavelength.
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公开(公告)号：US20160104844A1
公开(公告)日：2016-04-14
申请号：US14731289
申请日：2015-06-04
Applicant: LG Display Co., Ltd.
Inventor： Hyeseung Kang , Taeil Kum , Youngkwan Jung , Hyungjune Kim , Jungsoo Park
CPC classification number: H01L51/0067 , H01L51/0054 , H01L51/0058 , H01L51/006 , H01L51/0061 , H01L51/0072 , H01L51/0073 , H01L51/5008 , H01L51/504 , H01L51/5044 , H01L51/5072 , H01L2251/5384 , H01L2251/558
Abstract: An organic light emitting diode device is disclosed. There is an organic light emitting diode device that comprises a first light emitting part between an anode and a cathode, the first light emitting part including a first light emitting layer, a second light emitting part comprising a second light emitting layer on the first light emitting part, and a first charge generation layer between the first light emitting part and the second light emitting part, wherein the first charge generation layer comprises at least two hosts, and at least one of the at least two hosts includes a pyrene compound.
Abstract translation: 公开了一种有机发光二极管装置。 有一种有机发光二极管器件，其包括在阳极和阴极之间的第一发光部分，第一发光部分包括第一发光层，第二发光部分包括第一发光层上的第二发光层 第一发光部和第二发光部之间的第一电荷产生层，其中，所述第一电荷产生层包含至少两个主体，所述至少两个主体中的至少一个主体包含芘化合物。
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公开(公告)号：US09786863B2
公开(公告)日：2017-10-10
申请号：US15409029
申请日：2017-01-18
Applicant: LG DISPLAY CO., LTD.
Inventor： Taeil Kum , Gwijeong Cho , KiWoog Song , Taeshick Kim
IPC: H01L51/50
CPC classification number: H01L51/5044 , H01L51/002 , H01L51/504 , H01L51/5278 , H01L2251/558
Abstract: Provided is a white organic light emitting device which can improve abnormal light emission and efficiency and reliability of the device.A white organic light emitting device according to an exemplary embodiment of the present invention includes: a first light emitting unit including a first emitting layer between a first electrode and a second electrode; a second light emitting unit including a second emitting layer on the first light emitting unit; and a charge generation layer between the first light emitting unit and the second light emitting unit, and a volume of a metal in the charge generation layer is 1.0% or less of the total volume of the charge generation layer.
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公开(公告)号：US09774013B2
公开(公告)日：2017-09-26
申请号：US15099847
申请日：2016-04-15
Applicant: LG DISPLAY CO., LTD.
Inventor： Taeil Kum , Ki-Woog Song , Seung Kim , Jaeseung Jang
CPC classification number: H01L51/5278 , H01L27/3244 , H01L51/504 , H01L51/5206 , H01L51/5221 , H01L51/5265 , H01L2251/558
Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a first emission part between a first electrode and a second electrode, a second emission part on the first emission part, and a first charge generation layer and a second charge generation layer between the first emission part and the second emission part. The first emission part includes a first organic layer, and the second emission part includes a second organic layer. A first thickness includes the first emission part and the first charge generation layer, and a second thickness includes the second emission part and the second charge generation layer. The first thickness is equal to or greater than the second thickness.
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