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11.发明授权公开(公告)号：US08946722B2
公开(公告)日：2015-02-03
申请号：US14139314
申请日：2013-12-23
Applicant: LG Display Co., Ltd.
Inventor： Seung-Hyun Kim , Byung-Chul Ahn , Chang-Wook Han , Hee-Suk Pang , Hong-Seok Choi , Yoon-Heung Tak , Mi-Young Han , Tae-Shick Kim
CPC classification number: H01L27/3213 , H01L27/322 , H01L51/504 , H01L51/56
Abstract: An organic light emitting display device with enhanced luminous efficiency and color viewing angle and a method of manufacturing the same are disclosed. The method includes forming a first electrode of each of red, green, blue and white sub-pixels on a substrate, forming a white organic common layer on the first electrodes, and forming a second electrode on the white organic common layer, wherein the first electrodes each includes multiple transparent conductive layers and is formed such that a thickness of the first electrode of each of two sub-pixels among the red, green, blue and white sub-pixels is greater than a thickness of the first electrode of each of the other two sub-pixels, and at least two layers excluding the lowermost layer among the multiple transparent conductive layers of each first electrode are formed to cover opposite sides of the lowermost layer.
Abstract translation: 公开了一种具有增强的发光效率和彩色视角的有机发光显示装置及其制造方法。 该方法包括在基板上形成红色，绿色，蓝色和白色子像素中的每一个的第一电极，在第一电极上形成白色有机共同层，并在白色有机共同层上形成第二电极，其中第一 电极各自包括多个透明导电层，并且形成为使得红色，绿色，蓝色和白色子像素中的两个子像素中的每一个的第一电极的厚度大于第一电极的厚度 其他两个子像素，并且在每个第一电极的多个透明导电层中除了最下层之外的至少两个层被形成为覆盖最下层的相对侧。
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公开(公告)号：US08912534B2
公开(公告)日：2014-12-16
申请号：US13857279
申请日：2013-04-05
Applicant: LG Display Co., Ltd.
Inventor： Sung-Hoon Pieh , Chang-Wook Han , Hong-Seok Choi , Ki-Woog Song , Hyung-June Kim
CPC classification number: H01L51/5056 , H01L27/3209 , H01L51/5278 , H01L2251/5376 , H01L2251/552 , Y02T90/168 , Y04S30/12
Abstract: A tandem white organic light emitting device having high efficiency and long lifespan by adjusting characteristics of a hole transport layer adjacent to a charge generation layer consisting of p-type and n-type charge generation layer is disclosed, the p-type charge generation layer is formed of organic materials only, and at least one organic material contained in the p-type charge generation layer has a LUMO level of −6.0 eV to −4.5 eV.
Abstract translation: 公开了一种通过调节与由p型和n型电荷产生层组成的电荷产生层相邻的空穴传输层的特性而具有高效率和长寿命的串联白色有机发光器件，p型电荷产生层是 仅由有机材料形成，并且包含在p型电荷产生层中的至少一种有机材料具有-6.0eV至-4.5eV的LUMO能级。
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公开(公告)号：US11956980B2
公开(公告)日：2024-04-09
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
IPC: H10K50/12 , H10K50/11 , H10K59/121 , H10K59/38 , H10K101/10
CPC classification number: H10K50/121 , H10K50/11 , H10K59/1213 , H10K59/38 , H10K2101/10
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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公开(公告)号：US11730013B2
公开(公告)日：2023-08-15
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
IPC: G06F1/16 , G02B5/00 , H10K50/852 , G02B27/01 , H10K50/13 , H10K59/30 , H10K59/38 , H10K59/123
CPC classification number: H10K50/852 , G02B27/0172 , H10K50/131 , H10K59/123 , H10K59/30 , H10K59/38 , G02B2027/0112 , G02B2027/0178 , G06F1/163
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：US11233093B2
公开(公告)日：2022-01-25
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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Patent Agency Ranking
公开(公告)号：US11005061B2
公开(公告)日：2021-05-11
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
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.
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公开(公告)号：US10157966B2
公开(公告)日：2018-12-18
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
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.
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公开(公告)号：US09431626B2
公开(公告)日：2016-08-30
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
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：US08796676B2
公开(公告)日：2014-08-05
申请号：US13678609
申请日：2012-11-16
Applicant: LG Display Co., Ltd.
Inventor： Sung-Hoon Pieh , Chang-Wook Han , Hong-Seok Choi , Jeong-Dae Seo , Ki-Woog Song
CPC classification number: H01L51/5203 , H01L27/3209 , H01L51/0055 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0072 , H01L51/0081 , H01L51/0085 , H01L51/5044 , H01L51/5278
Abstract: A tandem white organic light emitting device with improved efficiency, voltage and lifetime includes a first electrode and a second electrode opposing each other, a charge generation layer formed between the first electrode and the second electrode, a first stack disposed between the first electrode and the charge generation layer, the first stack including a first light emitting layer emitting blue light, and a second stack disposed between the charge generation layer and the second electrode, the second stack including a second light emitting layer including one or more hosts doped with a phosphorescent dopant emitting light having a longer wavelength than blue light, wherein the charge generation layer includes an n-type charge generation layer doped with a metal and a p-type charge generation layer made of an organic material.
Abstract translation: 具有提高的效率，电压和寿命的串联白色有机发光器件包括彼此相对的第一电极和第二电极，形成在第一电极和第二电极之间的电荷产生层，设置在第一电极和第二电极之间的第一堆叠 电荷产生层，第一堆叠包括发射蓝光的第一发光层和设置在电荷产生层和第二电极之间的第二堆叠，第二堆叠包括第二发光层，第二发光层包括掺杂有磷光的一个或多个主体 掺杂剂发射具有比蓝光更长的波长的光，其中电荷产生层包括掺杂有金属的n型电荷产生层和由有机材料制成的p型电荷产生层。
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20.发明申请公开(公告)号：US20140183499A1
公开(公告)日：2014-07-03
申请号：US14139314
申请日：2013-12-23
Applicant: LG Display Co., Ltd.
Inventor： Seung-Hyun Kim , Byung-Chul Ahn , Chang-Wook Han , Hee-Suk Pang , Hong-Seok Choi , Yoon-Heung Tak , Mi-Young Han , Tae-Shick Kim
CPC classification number: H01L27/3213 , H01L27/322 , H01L51/504 , H01L51/56
Abstract: An organic light emitting display device with enhanced luminous efficiency and color viewing angle and a method of manufacturing the same are disclosed. The method includes forming a first electrode of each of red, green, blue and white sub-pixels on a substrate, forming a white organic common layer on the first electrodes, and forming a second electrode on the white organic common layer, wherein the first electrodes each includes multiple transparent conductive layers and is formed such that a thickness of the first electrode of each of two sub-pixels among the red, green, blue and white sub-pixels is greater than a thickness of the first electrode of each of the other two sub-pixels, and at least two layers excluding the lowermost layer among the multiple transparent conductive layers of each first electrode are formed to cover opposite sides of the lowermost layer.
Abstract translation: 公开了一种具有增强的发光效率和彩色视角的有机发光显示装置及其制造方法。 该方法包括在基板上形成红色，绿色，蓝色和白色子像素中的每一个的第一电极，在第一电极上形成白色有机共同层，并在白色有机共同层上形成第二电极，其中第一 电极各自包括多个透明导电层，并且形成为使得红色，绿色，蓝色和白色子像素中的两个子像素中的每一个的第一电极的厚度大于第一电极的厚度 其他两个子像素，并且在每个第一电极的多个透明导电层中除了最下层之外的至少两个层被形成为覆盖最下层的相对侧。
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