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.

公开(公告)号：US20240365589A1

公开(公告)日：2024-10-31

申请号：US18767072

申请日：2024-07-09

Applicant: Samsung Display Co., LTD.

Inventor： Soo Chul KIM ,  Dae Ho SONG ,  Jin Taek PARK ,  So Young YEO ,  Ok Yi LEE

IPC: H10K59/121 ,  H10K50/86 ,  H10K59/12 ,  H10K59/122 ,  H10K59/38 ,  H10K71/00

CPC classification number: H10K59/1213 ,  H10K50/865 ,  H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K59/1201

Abstract: A display device includes pixels disposed on a substrate. Each of the pixels include a pixel circuit layer disposed on the substrate and includes at least one transistor, a first electrode disposed on the pixel circuit layer and electrically connected to the at least one transistor, a bank disposed on the first electrode, the bank including an opening exposing the first electrode, a conductive pattern disposed on a side surface of the bank surrounding the opening of the bank and the exposed first electrode, a light-emitting element disposed on the conductive pattern in the opening of the bank and electrically connected to the first electrode, and a second electrode disposed on the light-emitting element. The conductive pattern is a guide member that guides light emitted from the light-emitting element to an upper portion of the second electrode.

公开(公告)号：US20240030398A1

公开(公告)日：2024-01-25

申请号：US18299269

申请日：2023-04-12

Applicant: Samsung Display Co., LTD.

Inventor： Eok Yi LEE ,  Soo Chul KIM ,  Dae Ho SONG ,  So Young YEO ,  Ki Beom LEE ,  Sung Won CHO

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L33/40 ,  H01L33/50 ,  H01L33/46 ,  H01L27/12

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/40 ,  H01L33/505 ,  H01L33/46 ,  H01L27/1288 ,  H01L27/124 ,  H01L2933/0016 ,  H01L2933/0066 ,  H01L2933/0041

Abstract: The disclosure provides a display device and a method of manufacturing the same. The display device includes a plurality of pixel circuit parts disposed on a substrate, a plurality of pixel electrodes, each disposed on the pixel circuit parts, a first insulating layer filling a space between the pixel electrodes, a plurality of light emitting elements, each disposed on the pixel electrodes, and connection electrodes disposed between the light emitting elements and the pixel electrodes. Each of the pixel electrodes includes a protrusion protruding toward a corresponding one of the connection electrodes.

公开(公告)号：US20230187581A1

公开(公告)日：2023-06-15

申请号：US17883181

申请日：2022-08-08

Applicant: Samsung Display Co., LTD.

Inventor： So Young YEO ,  Ok Yi LEE ,  Soo Chul KIM ,  Jin Taek PARK ,  Dae Ho SONG ,  Ki Beom LEE

IPC: H01L33/38 ,  H01L27/15

CPC classification number: H01L33/382 ,  H01L27/156

Abstract: A display device is provided. The display device comprises a substrate, contact electrodes and a common contact electrode on the substrate, light-emitting elements on the contact electrodes, and a common connecting electrode on the common contact electrode and connected to the light-emitting elements, wherein the common connecting electrode includes first conductive patterns, which are in contact with the common contact electrode.

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

IPC: H01L27/15 ,  H01L33/38

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.

公开(公告)号：US20220352433A1

公开(公告)日：2022-11-03

申请号：US17563698

申请日：2021-12-28

Applicant: Samsung Display Co., LTD.

Inventor： Joo Woan CHO ,  Dae Ho SONG ,  Byung Choon YANG ,  Tae Hee LEE ,  Hyung Il JEON

IPC: H01L33/50 ,  H01L27/15 ,  H01L33/60 ,  H01L33/62 ,  H01L33/00

Abstract: A display device comprises a first substrate including a plurality of pixel circuit units, a plurality of light emitting elements in a display area on the first substrate and electrically connected to a corresponding one of the plurality of pixel circuit units, respectively, a plurality of grooves corresponding to partially recessed top surfaces of the plurality of light emitting elements, respectively, and a plurality of light output patterns corresponding to the plurality of light emitting elements, the light output pattern being partially in a corresponding groove of the plurality of grooves, wherein the light output pattern includes a first surface in contact with the light emitting element in the groove, a second surface opposite to the first surface, and a third surface that is a side surface connecting the first surface and the second surface, and the second surface is a curved outer surface.

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

IPC: H01L33/38 ,  H01L33/00

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.

公开(公告)号：US20220352422A1

公开(公告)日：2022-11-03

申请号：US17583800

申请日：2022-01-25

Applicant: Samsung Display Co., LTD.

Inventor： Byung Ju LEE ,  Dae Ho SONG ,  Jin Woo CHOI ,  Jin wan KIM ,  Seung Geun LEE

IPC: H01L33/38 ,  H01L33/50 ,  H01L33/00

Abstract: A display device includes a base substrate, a partitioning wall on the base substrate, wherein the partitioning wall includes a first partitioning wall, and a second partitioning wall on the first partitioning wall, and a light emitting element spaced from the partitioning wall and located in a space surrounded by the partitioning wall in a plan view. The first partitioning wall and the light emitting element include a same material. The second partitioning wall includes a transparent conductive oxide.

公开(公告)号：US20220352419A1

公开(公告)日：2022-11-03

申请号：US17559443

申请日：2021-12-22

Applicant: Samsung Display Co., LTD.

Inventor： Byung Choon YANG ,  Sung Kook PARK ,  Dae Ho SONG ,  Hyung Il JEON ,  Joo Woan CHO ,  Jin Woo CHOI

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/54 ,  H01L33/62 ,  H01L27/15

Abstract: A display device includes a first electrode disposed on a substrate; a light emitting element disposed on the first electrode, the light emitting element being electrically connected to the first electrode; a second electrode disposed on the light emitting element, the second electrode being electrically connected to the light emitting element; a meta structure disposed on the second electrode, the meta structure overlapping the light emitting element; and a bank pattern disposed on the substrate, the bank pattern being spaced apart from the light emitting element.

公开(公告)号：US20220352249A1

公开(公告)日：2022-11-03

申请号：US17692823

申请日：2022-03-11

Applicant: Samsung Display Co., LTD.

Inventor： Sung Kook PARK ,  Dae Ho SONG ,  Min Woo KIM ,  Byung Choon YANG ,  So Yeon YOON ,  Hyung Il JEON ,  Joo Woan CHO ,  Jin Woo CHOI

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/50 ,  H01L33/60

Abstract: A display device includes: a base layer; and light-emitting elements on a first surface of the base layer. The base layer includes groove patterns that are recessed from a second surface of the base layer, and the groove patterns overlap with the light-emitting elements, respectively.