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.

公开(公告)号：US20250022862A1

公开(公告)日：2025-01-16

申请号：US18588306

申请日：2024-02-27

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Rock SON ,  Hui Won YANG

IPC: H01L25/16 ,  H01L25/075 ,  H01L33/40 ,  H01L33/62

Abstract: A method of fabricating a display device includes forming a transistor above a substrate, and a pixel electrode at a same layer as one of electrodes of the transistor, forming an adhesive layer on the pixel electrode, placing a light-emitting element on the adhesive layer, forming an insulting layer to cover the transistor, the pixel electrode, and the light-emitting element, and forming a first bridge pattern electrically connecting the transistor to a first end of the light-emitting element, and a second bridge pattern electrically connected to a second end of the light-emitting element, wherein the light-emitting element is primarily fixed by the adhesive layer, and wherein the light-emitting element is secondarily fixed by the insulating layer.

公开(公告)号：US20240429219A1

公开(公告)日：2024-12-26

申请号：US18657654

申请日：2024-05-07

Applicant: Samsung Display Co., LTD.

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

IPC: H01L25/16 ,  H01L27/12

Abstract: A tiled display device includes a display device. The display device including a substrate, a plurality of transistors on one surface of the substrate, a plurality of light emitting elements on the plurality of transistors, a plurality of bottom wirings on a rear surface of the substrate, and a first selective reflective film between the substrate and the plurality of bottom wirings. The first selective reflective film includes M pairs of first layers and second layers, where M is an integer greater than or equal to 2. A refractive index of the first layer is higher than a refractive index of the second layer.

公开(公告)号：US20250169255A1

公开(公告)日：2025-05-22

申请号：US18922092

申请日：2024-10-21

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Rock SON ,  Sun PARK ,  Hui Won YANG ,  Jae Bok YOO ,  Jae Phil LEE

IPC: H01L33/62 ,  H01L33/00 ,  H01L33/60

Abstract: A display device includes a substrate including first and second pad electrodes, a bank defining a first opening, and exposing portions of the first and second pad electrodes through the first opening, an inter-electrode planarization layer between the first and second pad electrodes, a first reflective electrode extending from the bank to the inter-electrode planarization layer along the first pad electrode, a second reflective electrode extending from the bank to the inter-electrode planarization layer along the second pad electrode, an organic pattern layer in the first opening, a light-emitting element having a first contact electrode and a second contact electrode on a top surface thereof, a via layer covering the light-emitting element and defining contact holes, and first and second lead lines above the via layer and electrically connecting the first contact electrode and the first reflective electrode, and electrically connecting the second contact electrode and the second reflective electrode.

公开(公告)号：US20250160083A1

公开(公告)日：2025-05-15

申请号：US18917889

申请日：2024-10-16

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Rock SON ,  Jae Phil LEE ,  Hui Won YANG

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

Abstract: The present disclosure provides a display device and a method of manufacturing the same. A display device includes a common electrode and a pixel electrode spaced from each other on a substrate, a bank having an opening exposing a portion of the pixel electrode and the common electrode, a first reflective electrode on a top surface of the bank along the opening on a top surface of the pixel electrode, and a second reflective electrode on a top surface of the bank along the opening on a top surface of the common electrode, an organic pattern layer on the pixel electrode and the common electrode in the opening, a light emitting element on the organic pattern layer and including a first contact electrode and a second contact electrode on a top surface, and a first via layer having a height that is less than that of the light emitting element.

公开(公告)号：US20250143027A1

公开(公告)日：2025-05-01

申请号：US18676017

申请日：2024-05-28

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Rock SON ,  Sun PARK ,  Hui Won YANG ,  Jae Bok YOO ,  Jae Phil LEE

IPC: H01L33/38 ,  H01L25/16 ,  H01L33/40

Abstract: A display device includes a substrate, first and second electrodes above the substrate, an organic pattern layer between the first and second electrodes, a light-emitting element above the organic pattern layer, first and second contact electrodes above the light-emitting element, a first reflective electrode on the first electrode and a second reflective electrode on the second electrode extending along a side of the light-emitting element, a via layer covering a portion of the first and second reflective electrodes, and defining first and second connection holes, a first connection electrode above the via layer, connecting the first reflective and contact electrodes through the first connection hole, and contacting the first reflective electrode on a side of the light-emitting element, and a second connection electrode connecting the second reflective and contact electrodes through the second connection hole, and contacting the second reflective electrode on a side of the light-emitting element.

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.