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公开(公告)号：US10079365B2
公开(公告)日：2018-09-18
申请号：US15252030
申请日：2016-08-30
Applicant: LG DISPLAY CO., LTD.
Inventor： Sookang Kim , Soyoung Jo , Wonhoe Koo , Jihyang Jang , Hyunsoo Lim
CPC classification number: H01L51/5275 , H01L27/3246 , H01L27/3248 , H01L27/3258 , H01L27/326 , H01L51/5203
Abstract: An organic light emitting diode display device is provided. The organic light emitting diode display device includes a first insulating layer disposed on a substrate and having a first refractive index, a refraction inducing layer disposed on the first insulating layer having a second refractive index, a second insulating layer disposed on the refraction inducing layer and having a third refractive index, a first electrode disposed on the second insulating layer and having a fourth refractive index, and an organic light emitting layer and a second electrode disposed on the first electrode. The second insulating layer, the first electrode, the organic light emitting layer, and the second electrode include a plurality of convex parts and a plurality of concave parts.
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公开(公告)号：US09991464B2
公开(公告)日：2018-06-05
申请号：US15638765
申请日：2017-06-30
Applicant: LG DISPLAY CO., LTD.
Inventor： KangJu Lee , Sookang Kim , Wonhoe Koo , Hyunsoo Lim , Mingeun Choi , Yonghoon Choi
CPC classification number: H01L51/5212 , H01L27/3246 , H01L27/3279 , H01L27/3288 , H01L51/0014 , H01L51/5008 , H01L51/5032 , H01L2227/323
Abstract: An organic light-emitting display device includes a substrate defining an emission area and a non-emission area; an insulating layer on the substrate and having at least two grooves being defined at a portion of the insulating layer corresponding to the non-emission area; a first electrode on the insulating layer at a portion of the insulating layer corresponding to the emission area; an auxiliary electrode on the insulating layer and spaced apart from the first electrode, the auxiliary electrode being on at least a portion of the insulating layer having the at least two grooves; a bank pattern on portions of the first and auxiliary electrodes; a barrier on the auxiliary electrode and separated from the bank pattern, the barrier being formed of a same material as the bank pattern; an organic light-emitting layer on the first electrode; and a second electrode on the organic light-emitting layer.
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公开(公告)号：US20240224583A1
公开(公告)日：2024-07-04
申请号：US18610551
申请日：2024-03-20
Applicant: LG Display Co., Ltd.
Inventor： Jintae Kim , Sookang Kim , Soyoung Jo , Wonhoe Koo , Jihyang Jang , Hyunsoo Lim , Mingeun Choi
IPC: H10K50/854 , H10K50/813 , H10K50/822 , H10K50/856 , H10K50/858 , H10K59/122
CPC classification number: H10K50/854 , H10K50/822 , H10K50/856 , H10K50/858 , H10K50/813 , H10K59/122
Abstract: Disclosed is an organic light emitting diode display device. The disclosed organic light emitting diode display device includes an overcoat layer disposed on a substrate that is divided into an emissive area and a non-emissive area, and has multiple micro lenses in the emissive area and at least one depression in the non-emissive area. The organic light emitting diode display device further includes: a first electrode disposed on the overcoat layer, wherein the first electrode is disposed in the entire emissive area and in a part of the non-emissive area; a bank pattern disposed in the non-emissive area so as to be superposed on the depression; an organic light emitting layer disposed on the substrate; and a second electrode disposed on the organic light emitting layer. Accordingly, the organic light emitting diode display device may prevent light leakage.
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公开(公告)号：US11973089B2
公开(公告)日：2024-04-30
申请号：US18076980
申请日：2022-12-07
Applicant: LG Display Co., Ltd.
Inventor： Hyunsoo Lim
IPC: H01L27/12 , H10K59/121 , H10K59/122
CPC classification number: H01L27/1255 , H01L27/1225 , H10K59/1213 , H10K59/122
Abstract: The present disclosure provides a display device comprising: a first thin film transistor including a first semiconductor pattern disposed on a substrate and comprising poly-silicon, and a first gate electrode; a middle layer on the first gate electrode; a second thin film transistor including a second semiconductor pattern disposed on the middle layer and comprising an oxide semiconductor, and a second gate electrode; and a storage capacitor including first to fourth storage electrodes overlapping with each other.
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公开(公告)号：US10978676B2
公开(公告)日：2021-04-13
申请号：US16563363
申请日：2019-09-06
Applicant: LG DISPLAY CO., LTD.
Inventor： Sookang Kim , KangJu Lee , Wonhoe Koo , Hyunsoo Lim , Mingeun Choi
Abstract: An organic light-emitting display device can include a substrate including a display area and a non-display area; a thin film transistor disposed on the substrate in the non-display area; an electroluminescent device disposed in the display area; and an overcoat layer disposed on the substrate and including two or more concave portions and two or more convex portions in the display area, in which the two or more concave portions and the two or more convex portions form a honeycomb pattern in a plan view, and the electroluminescent device includes: a first electrode disposed on the overcoat layer and connecting the electroluminescent device to the thin film transistor; an organic light-emitting layer disposed on the first electrode and configured to emit light; and a second electrode disposed on the organic light-emitting layer.
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Patent Agency Ranking
公开(公告)号：US10608063B2
公开(公告)日：2020-03-31
申请号：US16408259
申请日：2019-05-09
Applicant: LG Display Co., Ltd.
Inventor： Jihyang Jang , Sookang Kim , Soyoung Jo , Wonhoe Koo , Hyunsoo Lim , Mingeun Choi
Abstract: An organic light emitting display device includes an overcoating layer on a substrate; a first electrode on the overcoating layer; a bank layer on the overcoating layer and the first electrode, the bank layer including an opening through which the first electrode is exposed; a pattern layer having an island shape on the exposed portion of the first electrode; an organic emission layer on the first electrode and the pattern layer; and a second electrode on the organic emission layer.
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公开(公告)号：US10418583B2
公开(公告)日：2019-09-17
申请号：US15444198
申请日：2017-02-27
Applicant: LG Display Co., Ltd.
Inventor： Jihyang Jang , Sookang Kim , Soyoung Jo , Wonhoe Koo , Hyunsoo Lim
Abstract: Provided is an organic light emitting device including an overcoat layer on a substrate, a first electrode disposed on the overcoat layer, an organic light emitting layer disposed on the first electrode and including a convex or concave curve; and a second electrode disposed on the organic light emitting layer.
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公开(公告)号：US20190267439A1
公开(公告)日：2019-08-29
申请号：US16408259
申请日：2019-05-09
Applicant: LG Display Co., Ltd.
Inventor： Jihyang Jang , Sookang Kim , Soyoung Jo , Wonhoe Koo , Hyunsoo Lim , Mingeun Choi
Abstract: An organic light emitting display device includes an overcoating layer on a substrate; a first electrode on the overcoating layer; a bank layer on the overcoating layer and the first electrode, the bank layer including an opening through which the first electrode is exposed; a pattern layer having an island shape on the exposed portion of the first electrode; an organic emission layer on the first electrode and the pattern layer; and a second electrode on the organic emission layer.
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公开(公告)号：US10396129B2
公开(公告)日：2019-08-27
申请号：US15965705
申请日：2018-04-27
Applicant: LG DISPLAY CO., LTD.
Inventor： Jihyang Jang , KangJu Lee , SeungRyong Joung , Hansun Park , Sookang Kim , Soyoung Jo , Seongsu Jeon , Wonhoe Koo , Hyunsoo Lim , JeaHo Park , Mingeun Choi , Hyunjoo Kim , Wooram Youn
Abstract: An organic light-emitting display device. A substrate is divided into a plurality of subpixels generating different colors of light. A light leakage prevention layer is disposed on a portion of the substrate corresponding to a light-emitting area of at least one subpixel of the plurality of subpixels. An overcoat layer is disposed on a portion of the substrate corresponding to at least one subpixel of the plurality of subpixels, and includes microlenses having a plurality of concave portions or a plurality of convex portions. An organic electroluminescent device is disposed on the overcoat layer.
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公开(公告)号：US10199607B2
公开(公告)日：2019-02-05
申请号：US15639299
申请日：2017-06-30
Applicant: LG DISPLAY CO., LTD.
Inventor： Sookang Kim , KangJu Lee , Wonhoe Koo , Hyunsoo Lim , Mingeun Choi
Abstract: An organic light-emitting display device including a substrate including a display area and a non-display area; a thin film transistor disposed on the substrate in the non-display area; an electroluminescent device disposed in the display area; and an overcoat layer disposed on the substrate and including two or more concave portions and two or more convex portions in the display area. Further, the two or more concave portions and the two or more convex portions form a linear pattern in a plan view. In addition, the electroluminescent device includes a first electrode disposed on the overcoat layer and connecting the electroluminescent device to the thin film transistor; an organic light-emitting layer disposed on the first electrode and configured to emit light; and a second electrode disposed on the organic light-emitting layer. Also, the linear pattern of the two or more concave portions and the two or more convex portions comprise one of a zigzag pattern, a streamlined pattern, and combinations thereof.
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