公开(公告)号：US20250143158A1

公开(公告)日：2025-05-01

申请号：US18928831

申请日：2024-10-28

Applicant: Samsung Display Co., LTD.

Inventor： Jin Yeong KIM ,  Hye In JEONG ,  Sung Jin LEE ,  Jae Jin LEE ,  Jong Kuk JU

IPC: H10K59/88 ,  H10K59/122 ,  H10K59/80

Abstract: A light emitting element layer of a display device is disposed on a base layer. A first light emitting part of the light emitting element layer includes first organic patterns emitting light, a charge generation layer is disposed on the first light emitting part, and a second light emitting part is disposed on the charge generation layer. The second light emitting part covers the charge generation layer in a plan view. The second light emitting part includes second organic patterns disposed in a display area and emitting light and dummy patterns disposed in a non-display area.

公开(公告)号：US20240006386A1

公开(公告)日：2024-01-04

申请号：US18466436

申请日：2023-09-13

Applicant: Samsung Display Co., LTD.

Inventor： Seung Min LEE ,  Jin Yeong KIM ,  Sang Ho PARK ,  Tae Hoon YANG ,  Sung Jin LEE ,  Jin Woo LEE

IPC: H01L25/075 ,  H01L27/15

CPC classification number: H01L25/0753 ,  H01L27/156

Abstract: A display device includes a substrate, a display element layer disposed on a first surface of the substrate and including a light emitting element that emits light, and a pixel circuit layer disposed on the display element layer and including a transistor electrically connected to the light emitting element. The display element layer includes a first contact electrode electrically connected to a first end of the light emitting element, and a second contact electrode electrically connected to a second end of the light emitting element. The pixel circuit layer includes a reflective layer disposed on the display element layer and overlapping the light emitting element. One of the first contact electrode and the second contact electrode is electrically connected to the transistor. The reflective layer reflects the light emitted from the light emitting element toward a second surface of the substrate.

公开(公告)号：US20230253442A1

公开(公告)日：2023-08-10

申请号：US18186917

申请日：2023-03-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Taek KIM ,  Jin Yeong KIM ,  Soo Hyun MOON ,  Sang Ho PARK ,  Seung Min LEE ,  Jin Woo LEE ,  Tae Hoon YANG

IPC: H01L27/15 ,  H01L33/62 ,  H01L33/06 ,  G09G3/32 ,  H01L33/38

CPC classification number: H01L27/156 ,  H01L33/62 ,  H01L33/06 ,  G09G3/32 ,  H01L33/387 ,  G09G2310/0278

Abstract: A display panel includes a base layer having a display area and a non-display area including a pad area; a plurality of transistors on the base layer; a first protective layer covering the plurality of transistors; a conductive layer on the first protective layer; a second protective layer over the conductive layer; a first electrode and a second electrode on the second protective layer, the first and second electrodes being spaced from each other; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode being in contact with one end portion of the light emitting element, and a second contact electrode on the second electrode, the second contact electrode being in contact with the other end portion of the at least one light emitting element; and a first pad in the pad area.

公开(公告)号：US20220415864A1

公开(公告)日：2022-12-29

申请号：US17903551

申请日：2022-09-06

Applicant: Samsung Display Co., LTD.

Inventor： Sung Jin LEE ,  Jin Yeong KIM ,  Jin Taek KIM ,  Mi Jin PARK ,  Jin Woo LEE ,  Kwang Taek HONG

IPC: H01L25/075 ,  H01L33/38 ,  H01L25/16 ,  H01L33/24 ,  H01L33/44

Abstract: A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.

公开(公告)号：US20220344316A1

公开(公告)日：2022-10-27

申请号：US17862320

申请日：2022-07-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Min Kyu WOO ,  Kyung Bae KIM ,  Jin Yeong KIM ,  Chong Chul CHAI

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

Abstract: A display device includes a substrate. A first electrode, a second electrode, and a third electrode are on the substrate, and are sequentially arranged along a first direction. A first light emitting element is located between the first electrode and the second electrode. A second light emitting element is located between the second electrode and the third electrode. A first contact electrode overlaps the first electrode and one end of the first light emitting element, and is in contact with the first electrode and the one end of the first light emitting element. A second contact electrode overlaps and is in contact with the other end of the first light emitting element. A third contact electrode overlaps and is in contact with the second electrode and the other end of the second light emitting element. The second contact electrode extends while detouring the third contact electrode.

公开(公告)号：US20210111323A1

公开(公告)日：2021-04-15

申请号：US16927758

申请日：2020-07-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Yeong KIM ,  Mi Jin PARK ,  Sang Ho PARK ,  Tae Hoon YANG ,  Sung Jin LEE

IPC: H01L33/62 ,  H01L33/20 ,  H01L33/38 ,  G09G3/32

Abstract: A display device includes a substrate including a display area and a non-display area, a pixel located in the display area, a pad unit on one side of the non-display area, and a driver connected to the pixel. The pixel includes a first insulating layer, a first light emitting element on the first insulating layer, a second insulating layer on the first light emitting element and exposing one end portion and another end portion of the first light emitting element, a first contact electrode on the second insulating layer and connected to the one end portion of the first light emitting element, and a second contact electrode on the second insulating layer and connected to the other end portion of the first light emitting element. The pad unit includes a pad metal layer, a first pad insulating layer, a second pad insulating layer, and a pad electrode.

公开(公告)号：US20250089426A1

公开(公告)日：2025-03-13

申请号：US18956923

申请日：2024-11-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Yeong KIM ,  Mi Jin PARK ,  Sang Ho PARK ,  Tae Hoon YANG ,  Sung Jin LEE

IPC: H01L33/62 ,  G09G3/20 ,  G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L33/20 ,  H01L33/38 ,  H10K59/12 ,  H10K59/122 ,  H10K59/131 ,  H10K59/179

Abstract: A display device includes a substrate including a display area and a non-display area, a pixel located in the display area, a pad unit on one side of the non-display area, and a driver connected to the pixel. The pixel includes a first insulating layer, a first light emitting element on the first insulating layer, a second insulating layer on the first light emitting element and exposing one end portion and another end portion of the first light emitting element, a first contact electrode on the second insulating layer and connected to the one end portion of the first light emitting element, and a second contact electrode on the second insulating layer and connected to the other end portion of the first light emitting element. The pad unit includes a pad metal layer, a first pad insulating layer, a second pad insulating layer, and a pad electrode.

公开(公告)号：US20240215364A1

公开(公告)日：2024-06-27

申请号：US18434180

申请日：2024-02-06

Applicant: Samsung Display Co., LTD.

Inventor： Woong Hee JEONG ,  Ki Bum KIM ,  Jin Yeong KIM ,  Hyang A PARK ,  Tae Hoon YANG ,  Jong Chan LEE

IPC: H10K59/30 ,  G02F1/1335 ,  G02F1/1362 ,  H10K50/844 ,  H10K59/122 ,  H10K59/127 ,  H10K102/00

CPC classification number: H10K59/30 ,  H10K50/844 ,  H10K59/122 ,  G02F1/133512 ,  G02F1/136209 ,  H10K59/1275 ,  H10K2102/00

Abstract: A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.

公开(公告)号：US20240120454A1

公开(公告)日：2024-04-11

申请号：US18544371

申请日：2023-12-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Yeong KIM ,  Mi Jin PARK ,  Sang Ho PARK ,  Tae Hoon YANG ,  Sung Jin LEE

IPC: H01L33/62 ,  G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L33/20 ,  H01L33/38 ,  H10K59/12 ,  H10K59/122 ,  H10K59/131 ,  H10K59/179

CPC classification number: H01L33/62 ,  G09G3/32 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/20 ,  H01L33/38 ,  H10K59/12 ,  H10K59/122 ,  H10K59/131 ,  H10K59/179 ,  G09G3/2003 ,  G09G2300/0426 ,  G09G2300/0439

Abstract: A display device includes a substrate including a display area and a non-display area, a pixel located in the display area, a pad unit on one side of the non-display area, and a driver connected to the pixel. The pixel includes a first insulating layer, a first light emitting element on the first insulating layer, a second insulating layer on the first light emitting element and exposing one end portion and another end portion of the first light emitting element, a first contact electrode on the second insulating layer and connected to the one end portion of the first light emitting element, and a second contact electrode on the second insulating layer and connected to the other end portion of the first light emitting element. The pad unit includes a pad metal layer, a first pad insulating layer, a second pad insulating layer, and a pad electrode.

公开(公告)号：US20230395755A1

公开(公告)日：2023-12-07

申请号：US18452520

申请日：2023-08-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Min LEE ,  Jin Taek KIM ,  Baek Hyeon LIM ,  Jin Yeong KIM ,  Kyung Tae CHAE ,  Jung Hwan YI ,  Hee Keun LEE

IPC: H01L33/38 ,  H01L33/00 ,  H01L33/54

CPC classification number: H01L33/382 ,  H01L33/0095 ,  H01L2933/005 ,  H01L2933/0016 ,  H01L33/54

Abstract: A display device includes: a substrate having a display area and a non-display area; and a pixel in each of a pixel area in the display area. Each of the pixels includes: an insulating layer on the substrate and having an opening; first and second electrodes on the insulating layer and spaced apart from each other; a plurality of light emitting elements in the opening; a first contact electrode electrically connecting one end of the light emitting elements and the first electrode to each other; a second contact electrode electrically connecting another end of the light emitting elements and the second electrode to each other; a first insulating pattern on the first contact electrode; and a second insulating pattern on the second contact electrode. The first insulating pattern and the second insulating pattern are on the same layer and spaced apart from each other.