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公开(公告)号：US11107868B2
公开(公告)日：2021-08-31
申请号：US16716368
申请日：2019-12-16
Applicant: LG Display Co., Ltd.
Inventor： Hongmyeong Jeon , Kanghyun Kim , Taeyong Kim
IPC: H01L27/32
Abstract: An organic light emitting display device comprises a substrate on which a plurality of sub-pixels is arranged in a column direction and a row direction; a plurality of first electrodes allocated to the plurality of sub-pixels; a first bank disposed on the first electrodes and having a plurality of first openings that exposes the plurality of first electrodes; and a second bank disposed on the first bank and having a plurality of second openings that exposes the plurality of first electrodes and a part of the first bank, wherein the plurality of first electrodes include a plurality of (1-1)-th electrodes arranged in a (3n-2)-th column, a plurality of (1-2)-th electrodes arranged in a (3n-1)-th column and a plurality of (1-3)-th electrodes arranged in a 3n-th column, where n is a natural number equal to or greater than 1, wherein the first bank is disposed between the plurality of first electrodes neighboring in the column direction and disposed between the (1-3)-th electrodes and the (1-1)-th electrodes neighboring in the row direction, wherein the second bank is disposed between the plurality of (1-1)-th electrodes arranged in the (3n-2)-th column and the plurality of (1-2)-th electrodes neighboring the plurality of (1-1)-th electrodes and arranged in the (3n-1)-th column and disposed between the plurality of (1-2)-th electrodes arranged in the (3n-1)-th column and the plurality of (1-3)-th electrodes neighboring the plurality of (1-2)-th electrodes and arranged in the 3n-th column, and wherein the second bank is not disposed between the plurality of (1-3)-th electrodes arranged in the 3n-th column and the plurality of (1-1)-th electrodes neighboring the plurality of (1-3)-th electrodes in the row direction and arranged in the (3n-2)-th column.
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公开(公告)号：US12225776B2
公开(公告)日：2025-02-11
申请号：US17547359
申请日：2021-12-10
Applicant: LG DISPLAY CO., LTD.
Inventor： Kanghyun Kim
IPC: H10K59/122 , H10K59/35 , H10K59/12
Abstract: A display panel includes: a substrate on which pixels are disposed; a bank which defines a light emitting area of the pixels; a light emitting layer formed in the light emitting area, the bank includes: a hydrophilic bank which extends in a row direction and separates pixel rows; a first hydrophobic bank which is formed on the hydrophilic bank; and a second hydrophobic bank which extends in a column direction and separates pixel columns, and the first hydrophobic bank has a lower hydrophobic property than that of the second hydrophobic bank.
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公开(公告)号：US10243029B2
公开(公告)日：2019-03-26
申请号：US15681778
申请日：2017-08-21
Applicant: LG DISPLAY CO., LTD.
Inventor： Kanghyun Kim
Abstract: Discussed is an electroluminescent display device that may include a first emission layer provided to correspond to at least two among a plurality of sub pixels, a second emission layer provided to correspond to at least two among the plurality of sub pixels, wherein the second emission layer is spaced apart from the first emission layer, and a bank layer provided along the boundary between the first emission layer and the second emission layer.
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公开(公告)号：US11456344B2
公开(公告)日：2022-09-27
申请号：US17085347
申请日：2020-10-30
Applicant: LG Display Co., Ltd.
Inventor： Kanghyun Kim
IPC: H01L27/32
Abstract: Provided is an organic light emitting display device, which includes a substrate including a display area including a plurality of sub-pixels and a non-display area other than the display area; an overcoat layer on the substrate; a plurality of first electrodes disposed on the overcoat layer in the plurality of sub-pixels; a first bank disposed in the display area and the non-display area and including a plurality of first openings exposing the plurality of first electrodes; a second bank disposed on the first bank in the display area and the non-display area and including a plurality of second openings exposing the plurality of first electrodes arranged in one direction; and a plurality of organic light emitting layers disposed in the plurality of second openings, respectively, wherein at least one among the plurality of second openings is split into at least two branch lines in the non-display area.
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公开(公告)号：US20190393276A1
公开(公告)日：2019-12-26
申请号：US16562061
申请日：2019-09-05
Applicant: LG Display Co., Ltd.
Inventor： Kanghyun Kim
Abstract: Disclosed is an electroluminescent display device that may include a plurality of pixels arranged in first and second directions, first, second, and third sub pixels provided in each of the plurality of pixels and arranged in the first direction, a first emission layer provided to correspond to at least two of the first sub pixels arranged in the second direction, a second emission layer provided to correspond to at least two of the second sub pixels arranged in the second direction, and a third emission layer provided to correspond to at least two of the third sub pixels arranged in the second direction, wherein the first emission layer, the second emission layer, and the third emission layer are spaced from one another and provided to emit different types of light.
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Patent Agency Ranking
公开(公告)号：US10446619B2
公开(公告)日：2019-10-15
申请号：US15816398
申请日：2017-11-17
Applicant: LG Display Co., Ltd.
Inventor： Kanghyun Kim
Abstract: Disclosed is an electroluminescent display device that may include a plurality of pixels arranged in first and second directions, first, second, and third sub pixels provided in each of the plurality of pixels and arranged in the first direction, a first emission layer provided to correspond to at least two of the first sub pixels arranged in the second direction, a second emission layer provided to correspond to at least two of the second sub pixels arranged in the second direction, and a third emission layer provided to correspond to at least two of the third sub pixels arranged in the second direction, wherein the first emission layer, the second emission layer, and the third emission layer are spaced from one another and provided to emit different types of light.
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公开(公告)号：US09305983B2
公开(公告)日：2016-04-05
申请号：US14582912
申请日：2014-12-24
Applicant: LG DISPLAY CO., LTD.
Inventor： Kanghyun Kim , KiSoub Yang , SeungRyul Choi , KyoungJin Park
CPC classification number: H01L27/3246 , H01L51/0004 , H01L51/56 , H01L2227/323
Abstract: An organic light emitting display panel according to an aspect of the present invention includes a planarization layer positioned on a substrate including a plurality of pixels, and a first opening portion formed in a non-emission area of the pixel, a first electrode formed on a portion exposed through the first opening portion and the planarization layer, a bank including a portion overlapping an edge of the first electrode, and exposing a portion corresponding to an emission area of the pixel on the first electrode, an organic layer formed on the portion corresponding to the emission area of the pixel on the first electrode, and a second electrode formed on the bank and the organic layer.
Abstract translation: 根据本发明的一个方面的有机发光显示面板包括：位于包括多个像素的基板上的平坦化层，以及形成在所述像素的非发光区域中的第一开口部分， 通过所述第一开口部分和所述平坦化层露出的部分，包括与所述第一电极的边缘重叠的部分的堤岸，以及暴露与所述第一电极上的所述像素的发射区域相对应的部分， 到第一电极上的像素的发射区域，以及形成在堤岸和有机层上的第二电极。
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公开(公告)号：US20240413267A1
公开(公告)日：2024-12-12
申请号：US18734881
申请日：2024-06-05
Applicant: LG Display Co., Ltd.
Inventor： Kanghyun Kim , Yuseok Jung
Abstract: A display device includes a substrate in which a plurality of sub pixels are defined; a pair of low potential power lines are in a sub pixel of the plurality of sub pixels; and a plurality of light emitting diodes that overlap an area between the pair of low potential power lines. Each of the plurality of light emitting diodes includes a first semiconductor layer; an emission layer; a second semiconductor layer; a first insulating film that encloses side surfaces of the first semiconductor layer, the emission layer, and the second semiconductor layer; a side electrode on the first insulating film; and a first electrode that is in contact with a bottom surface of the first semiconductor layer and a lower part of the side electrode.
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公开(公告)号：US11049909B2
公开(公告)日：2021-06-29
申请号：US16583720
申请日：2019-09-26
Applicant: LG Display Co., Ltd.
Inventor： Kanghyun Kim
Abstract: The present disclosure provides an organic light-emitting display device that includes a substrate. A plurality of sub-pixels are arranged on the substrate, and each of the sub-pixels includes an organic light-emitting diode having a first electrode. A first bank has a plurality of first openings, and each of the first openings at least partially exposes a respective first electrode. A second bank has a plurality of second openings, and each of the second openings at least partially exposes one or more of the first electrodes. Each of a first set of the second openings exposes n first electrodes (n is a natural number equal to or greater than 1), and each of a second set of the second openings exposes m first electrodes (m is a natural number equal to or greater than 1), wherein n and m are different values.
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公开(公告)号：US10861913B2
公开(公告)日：2020-12-08
申请号：US16809074
申请日：2020-03-04
Applicant: LG DISPLAY CO., LTD.
Inventor： Kanghyun Kim
Abstract: A display device can include a plurality of pixels on a substrate; a plurality of sub pixels in each of the plurality of pixels; a first electrode at each of the sub pixels on the substrate; a first bank layer along a boundary of each of the first electrode on the substrate; a second bank layer along a boundary between the pixels on the first bank; a first emission layer extending across at least two first sub pixels among the plurality of sub pixels; and a second emission layer extending across at least two second sub pixels among the plurality of sub pixels, the second emission layer being adjacent to the first emission layer in a first direction, in which the first and second emission layers are configured to emit a light of a same color.
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