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公开(公告)号：US20210066663A1
公开(公告)日：2021-03-04
申请号：US16999925
申请日：2020-08-21
Applicant: LG Display Co., Ltd.
Inventor： Seung-Ryong JOUNG , Hong-Seok CHOI , Yoon-Deok HAN , Gyeong-Woo KIM , Jun-Ho LEE , Ji-Seon JANG
Abstract: Disclosed is a display panel configured such that, in a structure in which the distance between a display surface and a viewer is short, the structure between a reflective plate and a first electrode (an anode) is changed such that light having three or more color peak properties for all subpixels is transmitted through a second electrode (a cathode), whereby white expression as well as color expression is possible, and a head mounted display device including the same.
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公开(公告)号：US20150060812A1
公开(公告)日：2015-03-05
申请号：US14465299
申请日：2014-08-21
Applicant: LG Display Co., Ltd.
Inventor： Shin-Han KIM , Hwa-Kyung KIM , Hong-Seok CHOI , Mi-Young HAN , Hye-Min OH , Tae-Shick KIM , Seung-Hyun KIM
IPC: H01L51/50
CPC classification number: H01L51/5044 , H01L27/3209
Abstract: Disclosed herein is a white organic light emitting device including various emission layers with improved luminous efficiency, an increased color viewing angle, and low power consumption. The white organic light emitting device includes at least two charge generation layers and at least three stacks between a first electrode and a second electrode. The first stack includes an emission layer having a wavelength range of about 440 to about 470 nm, the second stack includes an emission layer having a wavelength range of about 530 to about 570 nm, and the third stack includes an emission layer having a wavelength range of about 590 to about 620 nm and an emission layer having a wavelength range of about 440 to about 470 nm.
Abstract translation: 本文公开了一种白色有机发光器件，其包括具有改善的发光效率，增加的颜色视角和低功耗的各种发射层。 白色有机发光器件包括至少两个电荷产生层和在第一电极和第二电极之间的至少三个叠层。 第一堆叠包括具有约440至约470nm的波长范围的发射层，第二堆叠包括波长范围为约530至约570nm的发射层，并且第三堆叠包括具有波长范围的发射层 约590nm至约620nm的波长范围的发射层和约440至约470nm的波长范围的发射层。
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公开(公告)号：US20160307970A1
公开(公告)日：2016-10-20
申请号：US15195556
申请日：2016-06-28
Applicant: LG Display Co., Ltd.
Inventor： Youn-Seok KAM , Chang-Wook HAN , Hong-Seok CHOI , Sung-Hoon PIEH , Seok-Joon OH , Ki-Woog SONG
IPC: H01L27/32
CPC classification number: H01L27/3209 , H01L27/3213 , H01L27/322 , H01L51/002 , H01L51/0056 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0072 , H01L51/5044 , H01L51/5088 , H01L2251/5376
Abstract: An organic light emitting display device includes first and second electrodes facing each other on a substrate, a charge generation layer formed between the first and second electrodes, a first light emitting stack formed between the charge generation layer and the first electrode, and a second light emitting stack formed between the charge generation layer and the second electrode, wherein a hole injection layer of a light emitting stack to realize blue color of the first and second light emitting stacks is formed by doping a host formed of hexaazatriphenylene (HAT-CN) with 0.5% to less than 10% of a dopant formed of a hole transporting material based on a volume of the hole injection layer.
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电荷产生层，形成在电荷产生层和第一电极之间的第一发光叠层和第二光 形成在电荷产生层和第二电极之间的发光层，其中通过将由六氮杂三亚苯（HAT-CN）形成的主体掺杂到具有第一和第二发光堆的蓝色的发光层的空穴注入层， 基于空穴注入层的体积由空穴传输材料形成的掺杂剂的0.5％至小于10％。
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公开(公告)号：US20140183494A1
公开(公告)日：2014-07-03
申请号：US14134149
申请日：2013-12-19
Applicant: LG Display Co., Ltd.
Inventor： Youn-Seok KAM , Chang-Wook HAN , Hong-Seok CHOI , Sung-Hoon PIEH , Seok-Joon OH , Ki-Woog SONG
IPC: H01L51/50
CPC classification number: H01L27/3209 , H01L27/3213 , H01L27/322 , H01L51/002 , H01L51/0056 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0072 , H01L51/5044 , H01L51/5088 , H01L2251/5376
Abstract: An organic light emitting display device includes first and second electrodes facing each other on a substrate, a charge generation layer formed between the first and second electrodes, a first light emitting stack formed between the charge generation layer and the first electrode, and a second light emitting stack formed between the charge generation layer and the second electrode, wherein a hole injection layer of a light emitting stack to realize blue color of the first and second light emitting stacks is formed by doping a host formed of hexaazatriphenylene (HAT-CN) with 0.5% to less than 10% of a dopant formed of a hole transporting material based on a volume of the hole injection layer.
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电荷产生层，形成在电荷产生层和第一电极之间的第一发光叠层和第二光 形成在电荷产生层和第二电极之间的发光层，其中通过将由六氮杂三亚苯（HAT-CN）形成的主体掺杂到具有第一和第二发光堆的蓝色的发光层的空穴注入层， 基于空穴注入层的体积由空穴传输材料形成的掺杂剂的0.5％至小于10％。
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公开(公告)号：US20210202876A1
公开(公告)日：2021-07-01
申请号：US17133874
申请日：2020-12-24
Applicant: LG Display Co., Ltd.
Inventor： Gyeong-Woo KIM , Hong-Seok CHOI , Seung-Ryong JOUNG , Jun-Ho LEE , Yoon-Deok HAN , Hee-Su BYEON
Abstract: Discussed is an organic light emitting device in which a light emitting layer includes a host and different kinds of dopants, the fluorescent dopant is formed of a material having energy level properties facilitating thermally activated delayed fluorescence (TADF), and thus energy is concentratedly transferred to the fluorescent dopant so as to increase luminous efficacy of a single color.
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Patent Agency Ranking
公开(公告)号：US20210151703A1
公开(公告)日：2021-05-20
申请号：US17096616
申请日：2020-11-12
Applicant: LG Display Co., Ltd.
Inventor： Gyeong-Woo KIM , Hong-Seok CHOI , Seung-Ryong JOUNG , Yoon-Deok HAN , Jun-Ho LEE , Ji-Seon JANG
Abstract: Disclosed are an organic light emitting device and a display device using the same in which a light emitting layer includes a host and a plurality of dopants. In the light emitting layer, energy is transferred from a host and other dopants to one dopant by energy transfer system, thus it is possible to increase luminous efficacy of a single color and to increase lifetime of emission.
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公开(公告)号：US20200027932A1
公开(公告)日：2020-01-23
申请号：US16516549
申请日：2019-07-19
Applicant: LG Display Co., Ltd.
Inventor： Hong-Seok CHOI , Yoon-Deok HAN , Gyeong-Woo KIM , Jun-Ho LEE
Abstract: A head mounted display device comprises a display panel comprising first to third subpixels defined at a substrate, a reflection plate provided in the first, second and third subpixels, first electrodes vertically spaced apart from a lower surface of the reflection plate by a first distance, a second distance and a third distance at the first, second and third subpixels, respectively, a white organic stack on the first electrodes at the first, second and third subpixels, a second electrode on the white organic stack, and a first color filter on the second electrode at the third subpixel to transmit light having a long wavelength.
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公开(公告)号：US20230345748A1
公开(公告)日：2023-10-26
申请号：US18342585
申请日：2023-06-27
Applicant: LG Display Co., Ltd.
Inventor： Gyeong-Woo KIM , Hong-Seok CHOI , Seung-Ryong JOUNG , Yoon-Deok HAN , Jun-Ho LEE , Ji-Seon JANG
CPC classification number: H10K50/11 , C09K11/06 , H10K50/12 , H10K50/13 , H10K2101/10
Abstract: Disclosed are an organic light emitting device and a display device using the same in which a light emitting layer includes a host and a plurality of dopants. In the light emitting layer, energy is transferred from a host and other dopants to one dopant by energy transfer system, thus it is possible to increase luminous efficacy of a single color and to increase lifetime of emission.
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公开(公告)号：US20230217764A1
公开(公告)日：2023-07-06
申请号：US18063283
申请日：2022-12-08
Applicant: LG Display Co., Ltd.
Inventor： Nack Youn JUNG , Hong-Seok CHOI , Eun-Jung PARK , Min Soo KANG , Jang Dae YOUN
CPC classification number: H01L27/3213 , H01L27/3218 , H01L27/322 , H01L51/504
Abstract: Disclosed is a light emitting display device including a substrate having first to fourth subpixels, first to fourth anodes provided respectively on the first to fourth subpixels, an emission unit provided on the first to fourth anodes, the emission unit including two or more blue stacks and a phosphorescent stack including at least a yellowish green emission layer and a green emission layer, a cathode provided on the emission unit, a red filter and a color conversion layer provided between the substrate and the first anode, a green filter provided between the substrate and the second anode, and a blue filter provided between the substrate and the third anode, wherein the first anode has a first thickness, and at least one of the second to fourth anodes has a second thickness greater than the thickness of the first anode.
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10.发明申请ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE 有权有机电致发光器件和有机电致发光显示器件公开(公告)号：US20150188073A1
公开(公告)日：2015-07-02
申请号：US14558430
申请日：2014-12-02
Applicant: LG DISPLAY CO., LTD.
Inventor： So-Yeon AHN , Chang-Wook HAN , Hong-Seok CHOI , Seung-Ryong JOUNG , Gwi-Jeong CHO , Hee-Dong CHOI
CPC classification number: H01L51/5044 , H01L27/3209 , H01L27/3244 , H01L51/5278 , H01L2251/558
Abstract: An organic electroluminescent device and organic electroluminescent display device having enhanced efficiency are discussed. In one example, the organic electroluminescent device includes first and second electrodes facing each other on a substrate and at least two emission layers formed between the first and second electrodes and realizing blue light, wherein, among the emission layers, a first blue emission layer close to the first electrode includes a first blue dopant having a different maximum luminescence wavelength than that of a second blue dopant of a second blue emission layer close to the second electrode.
Abstract translation: 讨论了提高效率的有机电致发光器件和有机电致发光显示器件。 在一个示例中，有机电致发光器件包括在衬底上彼此面对的第一和第二电极以及形成在第一和第二电极之间并实现蓝色光的至少两个发射层，其中在发射层中，第一蓝色发射层闭合 第一电极包括具有与靠近第二电极的第二蓝色发射层的第二蓝色掺杂剂不同的最大发光波长的第一蓝色掺杂剂。
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