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公开(公告)号：US20250072173A1
公开(公告)日：2025-02-27
申请号：US18942371
申请日：2024-11-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyung Il JEON , Min Woo KIM , Sung Kook PARK , Dae Ho SONG , Byung Choon YANG , Jin Woo CHOI
IPC: H01L33/42 , H01L25/075 , H01L33/40 , H01L33/58
Abstract: A display device includes: a substrate; a transparent electrode on one surface of the substrate; a reflective electrode on the transparent electrode; a transistor on the reflective electrode; and a light emitting element between the transparent electrode and the reflective electrode. The transistor overlaps the light emitting element.
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公开(公告)号：US20250072171A1
公开(公告)日：2025-02-27
申请号：US18949120
申请日：2024-11-15
Applicant: Samsung Display Co., Ltd.
Inventor： Jin Woo CHOI , Sung Kook PARK , Sung Eun BAEK , Byung Choon YANG , So Yeon YOON
Abstract: A display device includes a pixel electrode disposed on a substrate and including a reflective electrode layer and an upper electrode layer, a contact electrode disposed on the pixel electrode, light-emitting elements disposed on the contact electrode and disposed perpendicular to the pixel electrode, a planarization layer disposed on the pixel electrode, the planarization layer filling a space between the light-emitting elements, and a common electrode disposed on the planarization layer and the light-emitting elements, and a size of the contact electrode is equal to a size of each of the light-emitting elements in a plan view, and the upper electrode layer is disposed on the reflective electrode layer and is in a polycrystalline phase.
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公开(公告)号：US20240194653A1
公开(公告)日：2024-06-13
申请号：US18230065
申请日：2023-08-03
Applicant: Samsung Display Co., LTD.
Inventor： Sung Kook PARK , Sang Hyun LEE , Sung Eun BAEK , Tae Hee LEE
IPC: H01L25/075 , H01L25/16
CPC classification number: H01L25/0753 , H01L25/167
Abstract: An apparatus for fabricating a display panel includes: a fixing frame for fixing an outer circumference of a transfer film on which a plurality of light-emitting elements is arranged; an optical inspection member including a light source for irradiating light toward the transfer film and a light-receiving sensor in an optical path of the light source; and an elongation processing member for elongating a width of the transfer film toward an outer circumference thereof and for controlling a degree of elongation based on detection results by the optical inspection member. The light-emitting elements include first light-emitting elements and second light-emitting elements, and the second light-emitting elements include alignment keys on one side.
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54.发明公开公开(公告)号：US20240120323A1
公开(公告)日：2024-04-11
申请号：US18461972
申请日：2023-09-06
Applicant: Samsung Display Co., LTD.
Inventor： Tae Hee LEE , Sung Kook PARK , Kyung Ho KIM , Young Seok SEO , Jae Gwang UM , Sang Hyun LEE , Hyung Suk HWANG
IPC: H01L25/075
CPC classification number: H01L25/0753
Abstract: The present disclosure relates to an apparatus for fabricating a display panel including: an attachment member having a fixing portion in a pressurization direction to which a pressurization header is fixed, an attachment driving member configured to move the attachment member and the pressurization header in the pressurization direction or a detachment direction through a fixing frame of the attachment member, a first pressure sensing module between the pressurization header and the attachment member and configured to generate first pressure detection signals according to pressure applied to the pressurization header, a gradient setting module configured to set a gradient of the pressurization header based on magnitudes of the first pressure detection signals, and a gradient control module configured to adjust gradients of the pressurization header, the attachment member, and the fixing frame according to control of the gradient setting module.
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公开(公告)号：US20230118849A1
公开(公告)日：2023-04-20
申请号：US17856445
申请日：2022-07-01
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo CHOI , Sung Kook PARK , Sung Eun BAEK , Ki Seong SEO , So Yeon YOON , Hyung Il JEON
Abstract: A display device includes anode electrodes spaced apart from each other on a substrate, light emitting elements on the anode electrodes, mask layers on some of the light emitting elements, an insulating layer on the substrate and the anode electrodes and surrounding the light emitting elements, and a cathode electrode on the insulating layer and contacting some of the light emitting elements and the mask layers, the light emitting elements include first light emitting elements on a first anode electrode and emitting light of a first color, and second light emitting elements on the first anode electrode and emitting light of a second color, and third light emitting elements on the first anode electrode and emitting light of a third color, and the mask layer includes a first mask layer on the second light emitting elements, and a second mask layer on the third light emitting elements.
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Patent Agency Ranking
公开(公告)号：US20230048385A1
公开(公告)日：2023-02-16
申请号：US17745577
申请日：2022-05-16
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo CHOI , Min Woo KIM , Sung Kook PARK , Sung Eun BAEK , Hae Yun CHOI
Abstract: A display device and method for fabrication thereof are provided. The display device includes a first substrate, pixel electrodes on the first substrate, light emitting elements respectively on the pixel electrodes, and including first semiconductor layers, second semiconductor layers, active layers respectively between the first semiconductor layers and the second semiconductor layers, a first light emitting element including a first active layer of the active layers, a second light emitting element including a second active layer of the active layers that is different from the first active layer, a third light emitting element including a third active layer of the active layers that is different from the first and second active layers, and a fourth light emitting element including a fourth active layer of the active layers that is different from the first to third active layers, and a common electrode layer on the light emitting elements.
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公开(公告)号：US20230047445A1
公开(公告)日：2023-02-16
申请号：US17751449
申请日：2022-05-23
Applicant: Samsung Display Co., LTD.
Inventor： Hae Yun CHOI , Min Woo KIM , Sung Kook PARK
Abstract: A display device includes a partition wall on a substrate, a plurality of light emitting elements respectively located on a plurality of emission areas defined by the partition wall, the plurality of light emitting elements extend in a thickness direction of the substrate, a base resin located in the plurality of emission areas, and a plurality of optical patterns located on at least one of the plurality of emission areas, wherein the plurality of emission areas are arranged in a RGBG matrix pattern by the partition wall.
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公开(公告)号：US20230042855A1
公开(公告)日：2023-02-09
申请号：US17751169
申请日：2022-05-23
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo CHOI , Sung Kook PARK , Sung Eun BAEK , Dae Ho SONG
Abstract: A display device includes light-emitting elements arranged on a circuit substrate, extending in a thickness direction of the circuit substrate, and including a first light-emitting element configured to emit a first light, and a second light-emitting element configured to emit a second light, and having a width that is less than a width of the first light-emitting element, a common electrode layer above the light-emitting elements, and a connection electrode layer between the first light-emitting element and the common electrode layer.
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公开(公告)号：US20220352424A1
公开(公告)日：2022-11-03
申请号：US17655325
申请日：2022-03-17
Applicant: Samsung Display Co., LTD.
Inventor： Jin Woo CHOI , Min Woo KIM , Sung Kook PARK , Jin Taek PARK , Sung Eun BAEK , Dae Ho SONG , Hyung Il JEON
Abstract: A display device includes a substrate, a partition wall on the substrate, a pixel electrode located at each of a plurality of light emitting areas partitioned by the partition wall on the substrate, a light emitting element on the pixel electrode in each of the plurality of light emitting areas and extending in a thickness direction of the substrate, a common electrode on the light emitting element and the partition wall, and a common connection electrode located between the substrate and the partition wall. The common electrode may be in contact with an upper surface of the common connection electrode that is not covered by the partition wall.
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公开(公告)号：US20220352421A1
公开(公告)日：2022-11-03
申请号：US17571296
申请日：2022-01-07
Applicant: Samsung Display Co., LTD.
Inventor： Hyung Il JEON , Sung Kook PARK , Ki Seong SEO , So Yeon YOON , Joo Woan CHO , Jin Woo CHOI
Abstract: There is provided a display device including a base substrate, a conductive connection layer on the base substrate, a partitioning wall on the conductive connection layer, and a light emitting element on the conductive connection layer and in a space surrounded by the partitioning wall in a plan view, wherein the conductive connection layer includes a first portion overlapping the partitioning wall and the light emitting element, and a second portion not overlapping the partitioning wall and the light emitting element, an electrical conductivity of the first portion being greater than an electrical conductivity of the second portion.
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