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公开(公告)号：US20240321837A1
公开(公告)日：2024-09-26
申请号：US18613867
申请日：2024-03-22
Applicant: Samsung Display Co., Ltd.
Inventor： Heemin Park
IPC: H01L25/075 , H01L33/42
CPC classification number: H01L25/0753 , H01L33/42 , H01L2933/0016
Abstract: A display apparatus includes a first sub-pixel electrode disposed on a substrate, a conductive bank layer including a first opening overlapping the first sub-pixel electrode and including a first conductive layer and a second conductive layer disposed on the first conductive layer, a first intermediate layer overlapping the first sub-pixel electrode through the first opening of the conductive bank layer, and a first opposite electrode overlapping the first intermediate layer through the first opening of the conductive bank layer, the second conductive layer includes a first tip that protrudes towards the first opening from a first point, at which a side surface of the first conductive layer meets a bottom surface of the second conductive layer, and the first tip includes an upward curved portion with respect to a thickness direction of the substrate.
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公开(公告)号：US20230172005A1
公开(公告)日：2023-06-01
申请号：US17990448
申请日：2022-11-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Heemin Park , Arong Kim , Jungsun Park , Yeonhwa Lee , Hyejin Gwark , Jaeik Kim , Joongu Lee , Kyuhwan Hwang
IPC: H01L27/32
CPC classification number: H01L27/3246
Abstract: An organic light-emitting display device includes: a substrate; an insulating layer disposed on the substrate; a first electrode disposed on the insulating layer; a pixel defining layer disposed on the first electrode and defining an emission area by an opening that exposes at least part of the first electrode; a metal layer disposed on the pixel defining layer and in a non-emission area around the emission area; an organic light-emitting layer disposed on the first electrode in the opening; and a second electrode disposed on the organic light-emitting layer in the emission area and the non-emission area, where the metal layer is disposed between the pixel defining layer and the second electrode in the non-emission area.
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公开(公告)号：US20240324302A1
公开(公告)日：2024-09-26
申请号：US18441963
申请日：2024-02-14
Applicant: Samsung Display Co., Ltd.
Inventor： Youngmin Moon , Arong Kim , Heemin Park
IPC: H10K59/122 , H10K59/12 , H10K71/60
CPC classification number: H10K59/122 , H10K59/1201 , H10K71/60
Abstract: A display device includes a first pixel electrode and a second pixel electrode that are spaced from each other on a substrate, a pixel-defining layer including a first opening and a second opening, a first lower emission layer on the first pixel electrode, a second lower emission layer on the second pixel electrode, a first charge generation layer interposed between the first lower emission layer and a first upper emission layer, a second charge generation layer interposed between the second lower emission layer and a second upper emission layer, an opposite electrode on the first pixel electrode and the second pixel electrode, a heating metal layer on the pixel-defining layer and arranged between the first opening and second opening when seen from a direction perpendicular to the substrate, and an inorganic insulating layer covering the heating metal layer.
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公开(公告)号：US12004413B1
公开(公告)日：2024-06-04
申请号：US18479202
申请日：2023-10-02
Applicant: Samsung Display Co., Ltd.
Inventor： Jeongkuk Kim , Heemin Park , Duckjung Lee , Sungsoon Im
CPC classification number: H10K71/166 , C23C14/042
Abstract: A method of manufacturing a display device includes arranging a display substrate in a chamber, arranging a mask assembly in the chamber, and supplying a deposition material to the mask assembly by a deposition source. The arranging of the mask assembly includes disposing a stopping layer including a stopping layer opening on a first mask layer, disposing an inorganic layer on the stopping layer, forming a first mask opening in the first mask layer, and forming an inorganic opening of the inorganic layer by etching the inorganic layer corresponding to the stopping layer opening.
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5.发明授权公开(公告)号：US12022694B2
公开(公告)日：2024-06-25
申请号：US18203949
申请日：2023-05-31
Applicant: Samsung Display Co., Ltd.
Inventor： Yeonhwa Lee , Jaeik Kim , Joongu Lee , Hye Jin Gwark , Jungsun Park , Heemin Park
IPC: H10K59/122 , H10K71/00
CPC classification number: H10K59/122 , H10K71/00
Abstract: A display panel includes an emitting part including a light emitting element and a transmitting part adjacent to the emitting part and including a low adhesion part including a carbon compound. The low adhesion pattern includes fluorine (F).
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Patent Agency Ranking
公开(公告)号：US20230135268A1
公开(公告)日：2023-05-04
申请号：US17951128
申请日：2022-09-23
Applicant: Samsung Display Co., Ltd.
Inventor： Arong Kim , Jungsun Park , Hyejin Gwark , Heemin Park , Yeonhwa Lee , Kyuhwan Hwang , Jaeik Kim , Joongu Lee
Abstract: A display apparatus includes an auxiliary line that includes a main sublayer, a lower sublayer arranged under the main sublayer, and an upper sublayer arranged over the main sublayer, a partition wall adjacent to the auxiliary line and that includes an opening corresponding to a side surface of the auxiliary line, a first electrode adjacent to the auxiliary line, a second electrode arranged over the first electrode and the auxiliary line, and an intermediate layer arranged between the first electrode and the second electrode and that includes an emission layer, wherein the upper sublayer of the auxiliary line includes a tip protruding in a lateral direction from a point where a side surface and an upper surface of the main sublayer meet each other, an upper end of the partition wall is spaced apart from the tip of the auxiliary line, and the second electrode contacts the auxiliary line.
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公开(公告)号：US20220359853A1
公开(公告)日：2022-11-10
申请号：US17737893
申请日：2022-05-05
Inventor： Sungsoon Im , Jongkyu Kim , Seokho Moon , Jeonghyeon Park , Heemin Park , Seungyong Song , Duckjung Lee , Heonwoong Hwang
Abstract: An apparatus for manufacturing a display device includes: a support to mount a display substrate having a pixel area; a multi-layered film disposed above the display substrate and including a light-transmissive base layer and a source layer disposed on the base layer facing the pixel area and including an organic material; and a laser device spaced apart from the multi-layered film to radiate a laser beam toward the multi-layered film. The source layer is capable of absorbing the laser beam.
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公开(公告)号：US20240102145A1
公开(公告)日：2024-03-28
申请号：US18347104
申请日：2023-07-05
Applicant: Samsung Display Co., Ltd.
Inventor： Heemin Park , Arong Kim , Youngmin Moon , Youngho Park , Areum Lee , Sungsoon Im , Junho Jo
CPC classification number: C23C14/042 , H10K59/1201 , H10K71/166
Abstract: An apparatus for manufacturing a display device includes a mask assembly, and a deposition source that supplies a deposition material toward the mask assembly. The mask assembly includes a mask frame including a first opening, a sheet portion fixed on the mask, overlapping a portion of the first opening in a plan view, and including a plurality of second openings, a plurality of first masks corresponding to the plurality of second openings and fixed on the sheet portion, each including a plurality of third openings, and a second mask arranged on another portion of the first opening defined by an edge of the sheet portion and inner surfaces of the first opening, fixed on the mask frame, and including a plurality of fourth openings.
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公开(公告)号：US20230133603A1
公开(公告)日：2023-05-04
申请号：US17967707
申请日：2022-10-17
Applicant: Samsung Display Co., Ltd.
Inventor： Heemin Park , Joongu Lee , Hyejin Gwark , Arong Kim , Jaeik Kim , Jungsun Park , Yeonhwa Lee , Kyuhwan Hwang
Abstract: A display apparatus includes: an auxiliary line comprising a main sub-layer and an upper layer on the main sub-layer; an insulating layer comprising a first opening having a greater width than the auxiliary line, wherein the first opening overlaps the auxiliary line; a first electrode on the insulating layer; an intermediate layer overlapping the first electrode and comprising an emission layer; an auxiliary layer, at least a portion of which overlaps the auxiliary line; and a second electrode on the auxiliary layer, wherein the upper layer of the auxiliary line comprises a tip protruding, in a lateral direction, from a first point, in which a side surface and an upper surface of the main sub-layer meet each other, and being curved upwards from the first point, and the second electrode contacts the side surface of the main sub-layer through the first opening of the insulating layer.
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公开(公告)号：US11621306B2
公开(公告)日：2023-04-04
申请号：US17161734
申请日：2021-01-29
Applicant: Samsung Display Co., Ltd.
Inventor： Jaeik Kim , Yeonhwa Lee , Joongu Lee , Hye Jin Gwark , Jungsun Park , Heemin Park
Abstract: A display apparatus of an embodiment includes a first area and a second area disposed adjacent to the first area in a plan view, and includes a first electrode disposed in the first area and a second electrode disposed in the second area, a hole transport region disposed on the first electrode and the second electrode, an emission layer disposed on the hole transport region to overlap the first electrode and not to overlap the second electrode, a buffer layer disposed on the emission layer in the first area and the second area, a surface energy controlling layer disposed on the buffer layer to overlap the second electrode and not to overlap the first electrode, and a third electrode disposed on the buffer layer to overlap the first electrode and not to overlap the surface energy controlling layer. Such a display apparatus may have improved transmittance.
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