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公开(公告)号：US10381601B2
公开(公告)日：2019-08-13
申请号：US15846812
申请日：2017-12-19
Applicant: LG Display Co., Ltd.
Inventor： Ji-Hyang Jang , So-Young Jo , Won-Hoe Koo
Abstract: Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency.
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2.发明授权公开(公告)号：US08686633B2
公开(公告)日：2014-04-01
申请号：US13719320
申请日：2012-12-19
Applicant: LG Display Co., Ltd.
Inventor： Jung-Sik Jo , So-Young Jo
CPC classification number: H05B33/06 , H01L51/5215 , H01L51/5268 , H05B33/10
Abstract: An organic light emitting display device (OLED) includes: a substrate; a first anode layer disposed on the substrate and including a plurality of first projections; a second anode layer formed on the first anode layer and including a plurality of second projections; an organic emission layer formed on the second anode layer; and a cathode layer formed on the organic emission layer. As a result, the anodes are formed to have a double projection structure to enhance light extraction efficiency.
Abstract translation: 有机发光显示装置（OLED）包括：基板; 第一阳极层，设置在所述基板上并且包括多个第一突起; 形成在所述第一阳极层上并包括多个第二突起的第二阳极层; 形成在所述第二阳极层上的有机发光层; 以及形成在有机发光层上的阴极层。 结果，阳极形成为具有双凸起结构以提高光提取效率。
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公开(公告)号：US10522789B2
公开(公告)日：2019-12-31
申请号：US16023106
申请日：2018-06-29
Applicant: LG Display Co., Ltd.
Inventor： Soo-Kang Kim , Won-Hoe Koo , Ji-Hyang Jang , So-Young Jo
IPC: H01L27/32 , H01L51/52 , G09G3/3258 , G09G3/3266 , G09G3/3275 , G09G3/20
Abstract: Disclosed is a light emitting display device which facilitates to improve light-extraction efficiency of pixels, and to maximize light-extraction efficiency of each pixel, wherein the light emitting display device includes a substrate having a first area and a second area, a planarization coating layer prepared on the substrate and configured to have a first curve pattern prepared on the first area, and a second curve pattern prepared on the second area, and an emission device prepared on the first curve pattern and the second curve pattern, wherein a thickness of the planarization coating layer overlapping the first curve pattern is different from a thickness of the planarization coating layer overlapping the second curve pattern, and each of the first curve pattern and the second curve pattern includes a plurality of protruding portions having an aspect ratio of 0.4˜0.6.
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公开(公告)号：US20180175327A1
公开(公告)日：2018-06-21
申请号：US15846812
申请日：2017-12-19
Applicant: LG Display Co., Ltd.
Inventor： Ji-Hyang Jang , So-Young Jo , Won-Hoe Koo
CPC classification number: H01L51/5275 , H01L27/3258 , H01L51/5012 , H01L51/5209 , H01L51/5225
Abstract: Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency.
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公开(公告)号：US11063244B2
公开(公告)日：2021-07-13
申请号：US16197059
申请日：2018-11-20
Applicant: LG Display Co., Ltd.
Inventor： So-Young Jo , Ji-Hyang Jang , Min-Geun Choi , Woo-Ram Youn
Abstract: An electroluminescent display device comprises a substrate; a thin film transistor disposed on the substrate; an overcoat layer disposed on the thin film transistor; and a light-emitting diode electrically connected to the thin film transistor through the overcoat layer, wherein the light-emitting diode includes a first electrode, a light-emitting layer on the first electrode and a second electrode on the light-emitting layer, and an emissive area is an area in which the light-emitting layer emits light by the first electrode or the second electrode, wherein the overcoat layer includes a micro lens at a position corresponding to the emissive area, and the light-emitting diode conforms to a morphology of the micro lens, and wherein the first electrode includes a first region and a second region, the first region comprises an electrode layer, and the second region includes the electrode layer and an electrode pattern disposed under the electrode layer.
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Patent Agency Ranking
公开(公告)号：US10886432B2
公开(公告)日：2021-01-05
申请号：US16533548
申请日：2019-08-06
Applicant: LG Display Co., Ltd.
Inventor： Soo-Kang Kim , Won-Hoe Koo , Ji-Hyang Jang , So-Young Jo
Abstract: A light emitting display device includes: a light emitting element that includes a light emitting layer between a first electrode and a second electrode; a wavelength conversion layer overlapping the light emitting element; and an uneven layer that includes a plurality of furrows between the light emitting element and the wavelength conversion layer, wherein a shortest distance between a bottom surface of the plurality of furrows and the wavelength conversion layer is 0.1 um or greater.
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公开(公告)号：US10714709B2
公开(公告)日：2020-07-14
申请号：US16505489
申请日：2019-07-08
Applicant: LG Display Co., Ltd.
Inventor： Ji-Hyang Jang , So-Young Jo , Won-Hoe Koo
Abstract: Provided are an organic light-emitting diode (OLED) and an organic light-emitting device including the same. The OLED includes a first electrode, an organic emissive layer which includes a plurality of convex curves or a plurality of concave curves in a light-emitting region and of which a slope of an inclined plane of an upper region with respect to a horizontal line dividing a height of the plurality of convex curves into halves is greater than a slope of an inclined plane of a lower region thereof, and a second electrode provided on the organic emissive layer. Accordingly, the OLED and the organic light-emitting device including the same are capable of improving current efficiency.
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公开(公告)号：US10957877B2
公开(公告)日：2021-03-23
申请号：US16212484
申请日：2018-12-06
Applicant: LG Display Co., Ltd.
Inventor： Ji-Hyang Jang , So-Young Jo , Won-Hoe Koo
Abstract: An organic light emitting diode display device includes: a substrate including a plurality of pixel regions which each include an emission region and a non-emission region around the emission region; a plurality of scattering portions disposed on the substrate, corresponding to the emission region, and spaced apart from each other; a first overcoat layer disposed on the substrate having the plurality of scattering portions and including a plurality of concave portions which respectively correspond to the plurality of scattering portions; a first electrode disposed on the first overcoat layer in each of the plurality of pixel regions; and an organic light emitting layer and a second electrode sequentially disposed on the first electrode.
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9.发明授权公开(公告)号：US10903455B2
公开(公告)日：2021-01-26
申请号：US16672476
申请日：2019-11-03
Applicant: LG Display Co., Ltd.
Inventor： Soo-Kang Kim , Won-Hoe Koo , Ji-Hyang Jang , So-Young Jo
IPC: H01L27/32 , H01L51/52 , G09G3/3258 , G09G3/3266 , G09G3/3275 , G09G3/20
Abstract: Disclosed is a light emitting display device which facilitates to improve light-extraction efficiency of pixels, and to maximize light-extraction efficiency of each pixel, wherein the light emitting display device includes a substrate having a first area and a second area, a planarization coating layer prepared on the substrate and configured to have a first curve pattern prepared on the first area, and a second curve pattern prepared on the second area, and an emission device prepared on the first curve pattern and the second curve pattern, wherein a thickness of the planarization coating layer overlapping the first curve pattern is different from a thickness of the planarization coating layer overlapping the second curve pattern, and each of the first curve pattern and the second curve pattern includes a plurality of protruding portions having an aspect ratio of 0.4˜0.6.
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公开(公告)号：US10903282B2
公开(公告)日：2021-01-26
申请号：US16139810
申请日：2018-09-24
Applicant: LG DISPLAY CO., LTD.
Inventor： Yong-Hoon Choi , So-Young Jo , Min-Geun Choi , Hee-Jung Yang , Soo-Kang Kim
Abstract: An organic light emitting display device includes a substrate including a white pixel region, a blue color filter pattern in a first region of the white pixel region, an overcoat layer covering the blue color filer pattern and including a micro-lens, a first electrode on the overcoat layer, an organic emitting layer covering the first electrode, and a second electrode covering the organic emitting layer.
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