公开(公告)号：US20250079411A1

公开(公告)日：2025-03-06

申请号：US18809867

申请日：2024-08-20

Applicant: Samsung Display Co., LTD.

Inventor： Yu Jin LEE ,  Gwang Geun LEE ,  Ki Seong SEO ,  Ki Chang EOM ,  Jung An LEE

IPC: H01L25/075 ,  H01L33/10 ,  H01L33/50 ,  H01L33/62

Abstract: A display device includes a planarization layer including a first planarization unit on a substrate and a second planarization unit on the first planarization unit, a pixel electrode on the second planarization unit, an organic pattern layer on the pixel electrode, a light emitting element on the organic pattern layer and having a downwardly convex recess on a top surface thereof, a first partition wall on one surface of the first planarization unit and forming a space around the light emitting element, a via layer in the space around the light emitting element, a first reflective layer around a side of the first partition wall in the space around the light emitting element, on the first planarization unit, and around a side of the light emitting element, a side of the organic pattern layer, and a side of the pixel electrode.

公开(公告)号：US20250089418A1

公开(公告)日：2025-03-13

申请号：US18817101

申请日：2024-08-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki Chang EOM ,  Gwang Geun LEE ,  Ki Seong SEO ,  Yu Jin LEE ,  Jung An LEE

IPC: H01L33/60 ,  H01L25/16 ,  H01L33/62

Abstract: A display device and a method of manufacturing a display device are disclosed. A display device includes a planarization layer including a first planarization part on a substrate, and a second planarization part and a third planarization part on the first planarization part, a first pad electrode on the second planarization part, and a second pad electrode on the third planarization part, an organic pattern layer on the first pad electrode and the second pad electrode, a light emitting element on the organic pattern layer, a partition wall, a reflective layer on a side of the partition wall and the first planarization part, a first auxiliary connection electrode connecting the second semiconductor layer and the first pad electrode, and a second auxiliary connection electrode connecting the first semiconductor layer and the second pad electrode, and the planarization layer has an undercut shape.

公开(公告)号：US20240274646A1

公开(公告)日：2024-08-15

申请号：US18486959

申请日：2023-10-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jung An LEE ,  Hui Won YANG ,  Kyung Rock SON ,  Gwang Geun LEE

IPC: H01L27/15 ,  G09G3/3233 ,  H01L33/24 ,  H01L33/44

CPC classification number: H01L27/156 ,  G09G3/3233 ,  H01L33/24 ,  H01L33/44 ,  G09G2300/0819 ,  G09G2300/0842

Abstract: Provided are display device and tiled display device including a plurality of display devices. A display device includes a substrate, a first electrode above one surface of the substrate, a contact electrode above the first electrode, and contacting the first electrode, a buffer layer above the contact electrode, an active layer of a thin film transistor above the buffer layer, a gate-insulating layer above the active layer, a gate electrode of the thin film transistor above the gate-insulating layer, and a light-emitting element above the first electrode, and in an element contact hole penetrating the contact electrode, the buffer layer, and the gate-insulating layer.

公开(公告)号：US20220208930A1

公开(公告)日：2022-06-30

申请号：US17505020

申请日：2021-10-19

Applicant: Samsung Display Co., LTD.

Inventor： Yu Jin LEE ,  Tae Hui KIM ,  Yul Kyu LEE ,  Jung An LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes a substrate, a first conductive layer disposed on the substrate, a first insulating layer disposed on the first conductive layer, a semiconductor layer disposed on the first insulating layer, a second insulating layer disposed on the semiconductor layer, a second conductive layer disposed on the second insulating layer and overlapping the semiconductor layer, and a third insulating layer disposed on the second conductive layer, wherein the first conductive layer includes two end portions separated by cutting a region of the first conductive layer, and the two end portions of the first conductive layer are electrically connected by a first connecting part.

公开(公告)号：US20250089408A1

公开(公告)日：2025-03-13

申请号：US18819927

申请日：2024-08-29

Applicant: Samsung Display Co., LTD.

Inventor： Jung An LEE ,  Gwang Geun LEE ,  Ki Seong SEO ,  Ki Chang EOM ,  Yu Jin LEE

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/00 ,  H01L33/60 ,  H01L33/62

Abstract: The present disclosure may provide a display device and a method for manufacturing the same. According to one or more embodiments, a display device includes a pixel electrode above a substrate, a light-emitting element above the pixel electrode, and including a first semiconductor layer, an active layer, a second semiconductor layer, and a third semiconductor layer in sequence, the third semiconductor layer defining a recess exposing a portion of the second semiconductor layer, a via layer above the substrate, and surrounding at least a portion of the light-emitting element, and a common electrode above the light-emitting element and the via layer, and directly contacting the second semiconductor layer through the recess.

公开(公告)号：US20250081681A1

公开(公告)日：2025-03-06

申请号：US18812766

申请日：2024-08-22

Applicant: Samsung Display Co., LTD.

Inventor： Ki Seong SEO ,  Min Chul SHIN ,  Ki Chang EOM ,  So Yeon YOON ,  Gwang Geun LEE ,  Yu Jin LEE ,  Jung An LEE

IPC: H01L33/46 ,  H01L23/48 ,  H01L33/10 ,  H01L33/50

Abstract: A display device includes a pixel electrode on a substrate, a bank layer on the substrate and the pixel electrode and dividing a light emitting area and a light non-emitting area, light emitting elements on the pixel electrode and including a first semiconductor layer, a second semiconductor layer, and an active layer between the first and second semiconductor layers, a first via layer on the pixel electrode and around sides of the light emitting elements, a common electrode on the first via layer, a side of a light emitting element protruding from the first via layer, and a top surface of the light emitting element, a first insulating layer on the common electrode, a partition wall unit on the first insulating layer and overlapping the bank layer, a second insulating layer on the partition wall unit, and a reflective layer around a side of the partition wall unit.

公开(公告)号：US20240421252A1

公开(公告)日：2024-12-19

申请号：US18633422

申请日：2024-04-11

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Rock SON ,  Gwang Geun LEE ,  Jung An LEE

IPC: H01L33/20 ,  G09G3/3233 ,  H01L27/15

Abstract: A display device includes: a substrate; a connection electrode on the substrate; a light emitting element on the connection electrode and including a first semiconductor layer, an active layer, and a second semiconductor layer sequentially arranged in a third direction; and an insulating layer covering the connection electrode and the light emitting element. The insulating layer has openings spaced apart from each other and exposing the second semiconductor layer of the light emitting element, and the second semiconductor layer has a plurality of grooves corresponding to the openings in the insulating layer.