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公开(公告)号：US11963391B2
公开(公告)日：2024-04-16
申请号：US17351061
申请日：2021-06-17
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：US10374197B2
公开(公告)日：2019-08-06
申请号：US15337517
申请日：2016-10-28
Applicant: LG DISPLAY CO., LTD.
Inventor： Jintae Kim , Sookang Kim , Soyoung Jo , Wonhoe Koo , Jihyang Jang , Hyunsoo Lim , Mingeun Choi
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：US12082440B2
公开(公告)日：2024-09-03
申请号：US17501703
申请日：2021-10-14
Applicant: LG Display Co., Ltd.
Inventor： Jintae Kim , Sookang Kim , Mingeun Choi
IPC: H10K50/858 , H10K59/122 , H10K59/124 , H10K59/126 , H10K59/38
CPC classification number: H10K50/858 , H10K59/122 , H10K59/124 , H10K59/126 , H10K59/38
Abstract: Disclosed is a display apparatus including a plurality of subpixels configured to include a light emission area, a planarization layer configured to include a plurality of light extraction patterns having a plurality of concave portions and protruding portions in each of the subpixels, a light emitting device layer at the planarization layer of each of the subpixels, and a bank layer disposed between the planarization layer and the light emitting device layer to open the light emission area in each of the plurality of subpixels, an end of the bank layer is disposed at the concave portion of the outermost light extraction pattern of at least one of the subpixels.
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公开(公告)号：US11864444B2
公开(公告)日：2024-01-02
申请号：US17122696
申请日：2020-12-15
Applicant: LG Display Co., Ltd.
Inventor： Jihyang Jang , Jintae Kim
IPC: H01L27/32 , H10K59/35 , H10K59/38 , H10K59/122 , H10K59/131
CPC classification number: H10K59/353 , H10K59/122 , H10K59/131 , H10K59/38
Abstract: A light emitting display apparatus includes a substrate including a subpixel area having a non-light emission portion, a first light emission portion and a second light emission portion; a driving transistor disposed in the non-light emission portion; an overcoat layer disposed on the substrate to overlay the driving transistor; first and second anode electrodes disposed to be spaced apart from each other on the overcoat layer of each of the first light emission portion and the second light emission portion and commonly connected to the driving transistor; a self-light emitting device on the first anode electrode and the second anode electrode; and a second electrode on the self-light emitting device. The first light emission portion and the second light emission portion can have light extraction structures different from each other.
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公开(公告)号：US11069879B2
公开(公告)日：2021-07-20
申请号：US16450174
申请日：2019-06-24
Applicant: LG DISPLAY CO., LTD.
Inventor： Jintae Kim , Sookang Kim , Soyoung Jo , Wonhoe Koo , Jihyang Jang , Hyunsoo Lim , Mingeun Choi
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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Patent Agency Ranking
公开(公告)号：US10991914B2
公开(公告)日：2021-04-27
申请号：US16453070
申请日：2019-06-26
Applicant: LG Display Co., Ltd.
Inventor： Yonghoon Choi , Jintae Kim , Dongmin Sim , KangJu Lee , Sookang Kim , Taeshick Kim
Abstract: Disclosed is a light emitting display device that can enhance light extraction efficiency of light which is emitted from a light emitting element. The light emitting display device includes an overcoating layer on a substrate and including a plurality of protruding portions, a first electrode on the plurality of protruding portions, a light emitting layer on the first electrode, and a second electrode on the light emitting layer. The first electrode has a contour which conforms to contour of the plurality of protruding portions. The light emitting layer has a contour different from the contours of the plurality of protruding portions.
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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：US10991727B2
公开(公告)日：2021-04-27
申请号：US16547224
申请日：2019-08-21
Applicant: LG Display Co., Ltd.
Inventor： Dongmin Sim , Kangju Lee , Jintae Kim
Abstract: Disclosed is a light emitting display device that can enhance light extraction efficiency of light which is emitted from a light emitting element. The light emitting display device includes: an uneven portion that is provided on a substrate and includes a plurality of concave portions separated from each other and protruding portions between the plurality of concave portions; and a light emitting element that is provided on the uneven portion. Each protruding portion includes a vertex portion that is provided between three neighboring concave portions and a connection portion that is connected to two neighboring vertex portions between two neighboring concave portions and has a height less than that of the vertex portions.
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公开(公告)号：US20200075634A1
公开(公告)日：2020-03-05
申请号：US16547224
申请日：2019-08-21
Applicant: LG Display Co., Ltd.
Inventor： Dongmin Sim , KangJu Lee , Jintae Kim
Abstract: Disclosed is a light emitting display device that can enhance light extraction efficiency of light which is emitted from a light emitting element. The light emitting display device includes: an uneven portion that is provided on a substrate and includes a plurality of concave portions separated from each other and protruding portions between the plurality of concave portions; and a light emitting element that is provided on the uneven portion. Each protruding portion includes a vertex portion that is provided between three neighboring concave portions and a connection portion that is connected to two neighboring vertex portions between two neighboring concave portions and has a height less than that of the vertex portions.
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公开(公告)号：US20220199680A1
公开(公告)日：2022-06-23
申请号：US17545336
申请日：2021-12-08
Applicant: LG DISPLAY CO., LTD.
Inventor： Dongmyung Lee , Yonghoon Choi , Sookang Kim , Jintae Kim
Abstract: A light emitting display apparatus includes a substrate including a plurality of pixels each including an emission area; a light extraction pattern including a plurality of concave portions in the emission area; and a light emitting portion over the light extraction pattern, wherein at least one of the plurality of concave portions has a curvature of 0.217 μm−1 to 0.311 μm−1.
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