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公开(公告)号：US20160141555A1
公开(公告)日：2016-05-19
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.
Abstract translation: 讨论了用于减少发生在有机发光显示装置的正面或侧面的颜色缺陷或色差的有机发光显示装置。 有机发光显示装置可以包括在第一电极和第二电极之间的第一电极，第二电极和有机层，有机层包括至少一个发射部分。 有机层被配置为从至少一个发射部分发射的有机发光显示装置的电致发光（EL）光谱的峰值波长，具有比预定的峰值波长少10nm的范围 峰值波长。
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公开(公告)号：US20190288228A1
公开(公告)日：2019-09-19
申请号：US16421777
申请日：2019-05-24
Applicant: LG Display Co., Ltd.
Inventor： Sung Hoon PIEH , Chang Wook HAN , Hong Seok CHOI , Ki-Woog SONG , So Yeon AHN , Seung Hyun KIM
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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公开(公告)号：US20170263877A1
公开(公告)日：2017-09-14
申请号：US15601912
申请日：2017-05-22
Applicant: LG Display Co., Ltd.
Inventor： Ki-Woog SONG , Sung Hoon PIEH , Youn Seok KAM , Tae Shick KIM , Se Ung KIM , Hyung June KIM
IPC: H01L51/50
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5265
Abstract: Discussed is a white organic light emitting device for enhancing emission efficiency and panel efficiency. The white organic light emitting device can include a first emission part between a first electrode and a second electrode and configured to include a first emission layer (EML), a second emission part on the first emission part and configured to include a second EML, and a third emission part on the second emission part and configured to include a third EML. The first to third emission parts have an emission position of emitting layers (EPEL) structure in which the first to third emission parts have a maximum emission range in respective emission areas of the first to third EMLs.
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公开(公告)号：US20180205029A1
公开(公告)日：2018-07-19
申请号：US15922613
申请日：2018-03-15
Applicant: LG DISPLAY CO., LTD.
Inventor： Ki-Woog SONG , Sung Hoon PIEH , Youn Seok KAM , Tae Shick KIM , Se Ung KIM , Hyung June KIM
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5265
Abstract: A white organic light emitting device includes a first emission part between a first electrode and a second electrode, and configured to include a first emission layer, the first electrode being a reflective electrode, a second emission part on the first emission part, and configured to include a second emission layer, and a third emission part on the second emission part, and configured to include a third emission layer.
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公开(公告)号：US20170084856A1
公开(公告)日：2017-03-23
申请号：US15221434
申请日：2016-07-27
Applicant: LG Display Co., Ltd.
Inventor： TaeIl KUM , Ki-Woog SONG , SoYeon AHN , Yongjoong CHOI , Mingyu LEE
CPC classification number: H01L51/504 , H01L51/5218 , H01L51/5234 , H01L51/5265 , H01L51/5278 , H01L2251/5315 , H01L2251/558
Abstract: An OLED apparatus that may include a reflection-anode, a transparent-cathode, and a plurality of stacks between the reflection-anode and the transparent-cathode, wherein, among the plurality of stacks, a thickness of the stack disposed relatively close to the transparent-cathode is larger than a thickness of the stack disposed relatively close to the reflection-anode so that it is possible to optimize a micro-cavity of light emitted from the plurality of stacks, thereby improving a light-emission efficiency and a color reproduction ratio and reducing a color change rate in accordance with a viewing angle.
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Patent Agency Ranking
公开(公告)号：US20160181562A1
公开(公告)日：2016-06-23
申请号：US14873414
申请日：2015-10-02
Applicant: LG Display Co., Ltd.
Inventor： Sung Hoon PIEH , Chang Wook HAN , Hong Seok CHOI , Ki-Woog SONG , So Yeon AHN , Seung Hyun KIM
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5218 , H01L51/5221 , H01L51/5265 , H01L2251/558
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
Abstract translation: 有机发光显示装置包括第一和第二电极之间的两个发射部分，其中两个发射部分中的至少一个包括两个发射层，从而可提高效率和色彩再现比。
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公开(公告)号：US20190097153A1
公开(公告)日：2019-03-28
申请号：US16205025
申请日：2018-11-29
Applicant: LG Display Co., Ltd.
Inventor： Sung Hoon PIEH , Chang Wook HAN , Hong Seok CHOI , Ki-Woog SONG , So Yeon AHN , Seung Hyun KIM
CPC classification number: H01L51/504 , H01L51/5044 , H01L51/5218 , H01L51/5221 , H01L51/5265 , H01L2251/558
Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
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公开(公告)号：US20170288161A1
公开(公告)日：2017-10-05
申请号：US15465975
申请日：2017-03-22
Applicant: LG Display Co., Ltd.
Inventor： Taeshick KIM , Younseok KAM , Ki-Woog SONG
IPC: H01L51/50
CPC classification number: H01L51/504 , H01L51/5024 , H01L51/5044 , H01L51/5056 , H01L51/5072 , H01L2251/5384 , H01L2251/55
Abstract: An organic light emitting device includes a first emitting part on an anode, the first emitting part including a first emission layer and a first hole transport layer a second emitting part on the first emitting part, the second emitting part including a second emission layer and a second hole transport layer; a third emitting part on the second emitting part including a third emission layer and a third hole transport layer; and a cathode on the third emitting part. The third emitting part further includes a fourth emission layer to emit light having a same color as the third emission layer and includes a dopant and a mixed host of at least two hosts, and a fourth hole transport layer provided on the third hole transport layer while in contact with the third emission layer, and has a hole mobility lower than that of the third hole transport layer.
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公开(公告)号：US20150188076A1
公开(公告)日：2015-07-02
申请号：US14572510
申请日：2014-12-16
Applicant: LG Display Co., Ltd.
Inventor： Tae-Il KUM , Do-Han KIM , Young-Kwan JUNG , Ki-Woog SONG , Hye-Seung KANG , Hyung-June KIM
CPC classification number: H01L51/5076 , C09B1/00 , C09B57/00 , C09B57/001 , C09B57/008 , C09B57/10 , H01L27/3209 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0067 , H01L51/0072 , H01L51/0085 , H01L51/5004 , H01L51/5016 , H01L51/5024 , H01L51/504 , H01L51/5044 , H01L51/5278 , H01L2251/552
Abstract: A white organic light emitting device including an anode and a cathode opposite to each other, a plurality of stacks disposed between the anode and the cathode, each of the stacks including a hole transport layer, a light emitting layer and an electron transport layer, and an n-type charge generation layer and a p-type charge generation layer disposed between different adjacent stacks, wherein the n-type charge generation layer includes a first organic host, and the p-type charge generation layer includes a second organic host having a LUMO energy level smaller than or equal to a LUMO energy level of the first organic host, and an inorganic dopant containing 1% to 20% by volume of a metal.
Abstract translation: 一种白色有机发光器件，包括彼此相对的阳极和阴极，设置在阳极和阴极之间的多个堆叠，每个堆叠包括空穴传输层，发光层和电子传输层，以及 n型电荷产生层和设置在不同相邻叠层之间的p型电荷产生层，其中n型电荷产生层包括第一有机主体，p型电荷产生层包括第二有机主体，其具有 LUMO能级小于或等于第一有机主体的LUMO能级，以及含有1体积％至20体积％的金属的无机掺杂剂。
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公开(公告)号：US20140124766A1
公开(公告)日：2014-05-08
申请号：US14073709
申请日：2013-11-06
Applicant: LG DISPLAY CO., LTD.
Inventor： Ki-Woog SONG , Sung-Hoon PIEH , Seok-Joon OH , Youn-Seok KAM , Dong-Hyuk KIM , Seon-Keun YOO , Tae-Shick KIM
IPC: H01L51/50
CPC classification number: H01L51/5024 , H01L27/3209 , H01L51/5004 , H01L51/5016 , H01L51/504 , H01L2251/5376 , H01L2251/5384
Abstract: An organic light emitting display device includes first and second electrodes facing each other on a substrate, at least one emission layer formed between the first and second electrodes, a hole transport layer formed between the first electrode and the emission layer, and an electron transport layer formed between the second electrode and the emission layer, wherein the emission layer includes a first emission mixed layer formed on the hole transport layer, the first emission mixed layer including a first hole-type host and a first phosphorescent dopant, and a second emission mixed layer formed between the first emission mixed layer and the electron transport layer, the second emission mixed layer including a first electron-type host and a second phosphorescent dopant.
Abstract translation: 有机发光显示装置包括在基板上彼此面对的第一和第二电极，形成在第一和第二电极之间的至少一个发射层，形成在第一电极和发射层之间的空穴传输层，以及电子传输层 形成在第二电极和发射层之间，其中发射层包括形成在空穴传输层上的第一发射混合层，第一发射混合层包括第一孔型主体和第一磷光掺杂剂，第二发射混合层 形成在第一发射混合层和电子传输层之间的第二发射混合层，第二发射混合层包括第一电子型主体和第二磷光掺杂剂。
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