公开(公告)号：US20220352450A1

公开(公告)日：2022-11-03

申请号：US17867627

申请日：2022-07-18

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L33/62 ,  H01L33/20 ,  G09G3/32 ,  H01L33/38 ,  H01L25/16 ,  H01L27/32 ,  H01L25/075

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：US20210151499A1

公开(公告)日：2021-05-20

申请号：US17097932

申请日：2020-11-13

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/15 ,  H01L33/62 ,  H01L33/38 ,  H01L33/40

Abstract: A display device includes a substrate having an emission area and a non-emission area, a first electrode and a second electrode spaced from each other on the substrate in the emission area, a first insulating layer on the substrate in the emission area and the non-emission area and covering at least a portion of the first electrode and the second electrode, a light-emitting element between the first electrode and the second electrode, a first contact electrode on the first electrode and in contact with one end portion of the light-emitting element, and a second contact electrode on the second electrode and in contact with the other end portion of the light-emitting element, a first active material layer on the first insulating layer in the non-emission area and electrically connected to the first contact electrode, and a gate insulating layer on the first active material layer.

公开(公告)号：US20210151419A1

公开(公告)日：2021-05-20

申请号：US16991515

申请日：2020-08-12

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

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：US20240038956A1

公开(公告)日：2024-02-01

申请号：US18359758

申请日：2023-07-26

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jun Seok Min ,  Jeong Su PARK ,  Sung Jin LEE ,  Woong Hee JEONG

IPC: H01L33/62 ,  H01L25/16 ,  H01L27/12

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L27/124

Abstract: A pixel includes: a first conductive pattern, a second conductive pattern, and a third conductive pattern on a substrate and spaced apart from each other; a passivation layer on and exposing each of the first, second, and third conductive patterns; a via layer on the passivation layer and having first, second, and third via holes respectively exposing one area of the first conductive pattern, one area of the second conductive pattern, and one area of the third conductive pattern; first and second alignment electrodes on the via layer and electrically connected to the second conductive pattern and the first conductive pattern, respectively; and a light emitting element on the first and second alignment electrodes. The via layer has a first area and a second area that is thinner than the first area, and the second area is directly adjacent to at least one of the via holes.

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：US20230282684A1

公开(公告)日：2023-09-07

申请号：US18161596

申请日：2023-01-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Chan LEE ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Sung Jin LEE ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  H01L29/417 ,  H01L29/786 ,  H01L29/66

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/44 ,  H01L29/41733 ,  H01L29/78633 ,  H01L29/7869 ,  H01L29/66969

Abstract: Provided herein may be a display device and a transistor. The display device may comprise a semiconductor pattern on a substrate and defining a hole, an insulating layer on the semiconductor pattern, and defining an opening area overlapping the hole, a gate electrode, a source electrode contacting a conductive area of the semiconductor pattern through the opening area, and a drain electrode on the insulating layer, electrodes respectively on the gate electrode, the source electrode, and the drain electrode, and spaced apart from each other, and light emitting elements between the electrodes, respectively.

公开(公告)号：US20230130149A1

公开(公告)日：2023-04-27

申请号：US17972310

申请日：2022-10-24

Applicant: Samsung Display Co., LTD.

Inventor： Sung Jin LEE ,  Won Tae KIM ,  Je Won YOO ,  Yong Sik HWANG

IPC: H01L33/62 ,  H01L25/16

Abstract: According to one or more embodiments of the present disclosure, a display device including a first extension area and a second extension area, the display device including: a first electrode and a second electrode on a substrate and spaced from each other in a first direction; and a first light emitting element on the first electrode and the second electrode, wherein: the first extension area extends in the first direction and includes a separation area in which the first electrode is not located, and the second extension area extends in a second direction crossing the first direction, the second extension area being an area in which the first electrode and the second electrode are not located.

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：US20220384684A1

公开(公告)日：2022-12-01

申请号：US17692924

申请日：2022-03-11

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Hyun KIM ,  Jeong Su PARK ,  Sung Jin LEE ,  Hyun Wook LEE ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L33/38 ,  H01L33/62

Abstract: A display device includes a base layer; a via layer over the base layer, the via layer having a concave groove; a light emitting element in the groove; a first electrode over the via layer; a second electrode over the via layer and spaced from the first electrode; and an anchor over the light emitting element within the groove. A first conductor is in the groove and covers an end of the light emitting element.

公开(公告)号：US20220059609A1

公开(公告)日：2022-02-24

申请号：US17347222

申请日：2021-06-14

Applicant: Samsung Display Co., Ltd.

Inventor： Myeong Hun SONG ,  Sung Geun BAE ,  Sung Jin LEE ,  Jong Chan LEE ,  Tae Hee LEE ,  Kyung Ah CHOI

IPC: H01L27/15 ,  H01L33/38

Abstract: A pixel may include a substrate, a dummy insulating pattern on the substrate, a first electrode on the substrate and including a (1-1)th electrode and a (1-2)th electrode that are spaced from each other and aligned with each other along a first direction, a second electrode spaced from the first electrode in a second direction different from the first direction, and including a (2-1)th electrode and a (2-2)th electrode that are spaced from each other and aligned with each other along the first direction, a plurality of light emitting elements electrically connected to the first electrode and the second electrode and emitting light, and a first insulating layer on each of the light emitting elements. Here, the dummy insulating pattern may be connected to one end of at least one of the (1-1)th electrode and the (1-2)th electrode that are aligned with each other along the first direction.