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公开(公告)号：US12170308B2
公开(公告)日：2024-12-17
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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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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公开(公告)号：US12176382B2
公开(公告)日：2024-12-24
申请号：US17545617
申请日：2021-12-08
Applicant: LG Display Co., Ltd.
Inventor： Nayoung Lee , Yonghoon Choi , Soyoung Jo , Mingeun Choi
Abstract: A light-emitting display device includes: a substrate, a plurality of pixels on the substrate, each pixel including an opening area, a light extraction pattern disposed in each opening area, the light extraction pattern including: a plurality of concave portions spaced apart from each other, and a protruding portion surrounding each of the plurality of concave portions, and a light-emitting device layer including: a light-emitting layer over the light extraction pattern, and a non-emission area overlapping a top portion of the protruding portion between the two adjacent concave portions.
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Patent Agency Ranking
公开(公告)号：US12108639B2
公开(公告)日：2024-10-01
申请号：US17410372
申请日：2021-08-24
Applicant: LG Display Co., Ltd.
Inventor： Yonghoon Choi , KeumKyu Min , Mingeun Choi
IPC: H10K59/13 , H10K50/842 , H10K59/121 , H10K59/131
CPC classification number: H10K59/131 , H10K50/8426 , H10K59/121
Abstract: A light emitting display apparatus includes a substrate configured to include a display area with a plurality of pixel areas, and a non-display area surrounding the display area, and a planarization layer disposed at the display area and partially at the non-display area. The planarization layer is configured to include an uneven pattern portion disposed at the non-display area, and the uneven pattern portion is configured to include a plurality of concave portions.
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公开(公告)号：US10431768B2
公开(公告)日：2019-10-01
申请号：US15971798
申请日：2018-05-04
Applicant: LG DISPLAY CO., LTD.
Inventor： KangJu Lee , Sookang Kim , Wonhoe Koo , Hyunsoo Lim , Mingeun Choi , Yonghoon Choi
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：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：US11417809B2
公开(公告)日：2022-08-16
申请号：US16716388
申请日：2019-12-16
Applicant: LG Display Co., Ltd.
Inventor： Mingeun Choi , KeumKyu Min , Soyoung Jo , Yonghoon Choi
IPC: H01L33/58 , H01L33/50 , H01L25/075 , H01L33/38
Abstract: A light emitting display apparatus is disclosed, which can improve light extraction efficiency of light emitted from a light emitting diode. The light emitting display apparatus comprises a substrate including a plurality of pixel areas having an opening area, an uneven portion arranged in the opening area, and a light emitting diode arranged over the uneven portion, the uneven portion may have roughness average value of about 0.19 to about 0.29 for a unit size.
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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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