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公开(公告)号:US11164927B2
公开(公告)日:2021-11-02
申请号:US16536230
申请日:2019-08-08
申请人: LG Display Co., Ltd.
发明人: Dong-Min Sim , Won-Hoe Koo , Ji-Hyang Jang
摘要: The present disclosure is directed to an organic light emitting diode display device includes a substrate having an emitting area and a non-emitting area; an overcoating layer on a first surface of the substrate and including a plurality of convex portions and a plurality of concave portions, at least one of the plurality of convex portions including a bottom surface portion, a top surface portion and a side surface portion between the bottom and top surface portions; a light emitting diode on the overcoating layer; and a cholesteric liquid crystal layer at a transmission direction of a light emitted from the light emitting diode.
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公开(公告)号:US11108023B2
公开(公告)日:2021-08-31
申请号:US16455363
申请日:2019-06-27
申请人: LG DISPLAY CO., LTD.
发明人: Dong-Min Sim , Ji-Hyang Jang , Jin-Tae Kim
摘要: An organic light emitting diode display device includes a substrate, an overcoating layer on the substrate and including a plurality of convex portions and a plurality of concave portions, a first electrode on the overcoating layer, a light emitting layer on the first electrode and including a first emitting material layer, and a second electrode on the light emitting layer, wherein the first emitting material layer in the plurality of convex portions is separated from the second electrode by a first distance, and the first emitting material layer in the plurality of concave portions is separated from the second electrode by a second distance different from the first distance.
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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
申请人: LG Display Co., Ltd.
发明人: Ji-Hyang Jang , So-Young Jo , Won-Hoe Koo
摘要: 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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公开(公告)号:US10903455B2
公开(公告)日:2021-01-26
申请号:US16672476
申请日:2019-11-03
申请人: LG Display Co., Ltd.
发明人: Soo-Kang Kim , Won-Hoe Koo , Ji-Hyang Jang , So-Young Jo
IPC分类号: H01L27/32 , H01L51/52 , G09G3/3258 , G09G3/3266 , G09G3/3275 , G09G3/20
摘要: 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:US10651426B2
公开(公告)日:2020-05-12
申请号:US15822417
申请日:2017-11-27
申请人: LG Display Co., Ltd.
发明人: Han-Sun Park , Won-Hoe Koo , Ji-Hyang Jang
摘要: An OLED display device includes a first substrate including a plurality of sub-pixels each including an emission area and a non-emission area; organic light emitting diodes on the first substrate; a second substrate opposed to the first substrate; a black matrix and a color filter layer on one side of the second substrate; a spacer on the black matrix and overlapping or parallel to one of the plurality of the gate lines and the plurality of data lines; and a film layer on the spacer, wherein an air gap is provided between the second substrate and the film layer, and a part of the film layer is exposed by the air gap.
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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
申请人: LG Display Co., Ltd.
发明人: Soo-Kang Kim , Won-Hoe Koo , Ji-Hyang Jang , So-Young Jo
IPC分类号: H01L27/32 , H01L51/52 , G09G3/3258 , G09G3/3266 , G09G3/3275 , G09G3/20
摘要: 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
申请人: LG Display Co., Ltd.
发明人: Ji-Hyang Jang , So-Young Jo , Won-Hoe Koo
CPC分类号: H01L51/5275 , H01L27/3258 , H01L51/5012 , H01L51/5209 , H01L51/5225
摘要: 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:US11812636B2
公开(公告)日:2023-11-07
申请号:US17678973
申请日:2022-02-23
申请人: LG Display Co., Ltd.
发明人: Ji-Hyang Jang , So-Young Jo , Won-Hoe Koo
IPC分类号: H10K50/858 , H10K50/11 , H10K50/813 , H10K50/822 , H10K59/124
CPC分类号: H10K50/858 , H10K50/11 , H10K50/813 , H10K50/822 , H10K59/124
摘要: 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:US11737333B2
公开(公告)日:2023-08-22
申请号:US17111279
申请日:2020-12-03
申请人: LG Display Co., Ltd.
发明人: Ji-Hyang Jang , Tae-Shick Kim , So-Young Jo , Jin-Tae Kim
IPC分类号: H10K59/38 , H10K50/858 , H10K50/13 , H10K59/12
CPC分类号: H10K59/38 , H10K50/858 , H10K50/13 , H10K59/12
摘要: An organic light emitting diode display device includes a substrate having first, second, third and fourth subpixels; first, second and third color filter layers in the second, third and fourth subpixels, respectively, on the substrate; a first wavelength converting layer in the first subpixel on the substrate and second and third wavelength converting layers on the first and second color filter layers, respectively; and a light emitting diode in each of the first, second, third and fourth subpixels over the first, second and third wavelength converting.
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公开(公告)号:US11289683B2
公开(公告)日:2022-03-29
申请号:US16898041
申请日:2020-06-10
申请人: LG Display Co., Ltd.
发明人: Ji-Hyang Jang , So-Young Jo , Won-Hoe Koo
摘要: 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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