公开(公告)号：US20220415850A1

公开(公告)日：2022-12-29

申请号：US17819300

申请日：2022-08-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung Jin LEE ,  Jin Yeong KIM ,  Jin Taek KIM ,  Soo Hyun MOON ,  Tae Hoon YANG ,  Seung Min LEE

IPC: H01L23/00 ,  H01L25/16 ,  H01L27/12

Abstract: Provided is a display device including a substrate including a display area including a plurality of pixel areas, and a non-display area outside the display area, a pixel circuit layer including a plurality of circuit elements in the display area, a display element layer including a plurality of light-emitting elements in the display area on the pixel circuit layer, and first and second alignment lines on the substrate, and each including a main line at the same layer as at least one electrode on the display element layer, and a sub line electrically connected to the main line and at the same layer as at least one electrode on the pixel circuit layer, wherein the first alignment line and the second alignment line do not include the main line in the non-display area, and include the sub line to be spaced apart from one edge of the substrate.

公开(公告)号：US20210242381A1

公开(公告)日：2021-08-05

申请号：US17153694

申请日：2021-01-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Wook LEE ,  Sung Jin LEE ,  Jong Chan LEE ,  Tae Hee LEE

IPC: H01L33/62 ,  H01L23/00 ,  H01L25/075

Abstract: A display device includes a substrate; a first electrode and a second electrode on the substrate and spaced from each other at a first distance along a first direction; a third electrode and a fourth electrode on the first electrode and the second electrode, respectively, and spaced from each other at a second distance along the first direction; a first insulating layer on the third electrode and the fourth electrode; and a light emitting element located on the first insulating layer and between the third electrode and the fourth electrode in a plan view, and the second distance is greater than the first distance.

公开(公告)号：US20210111303A1

公开(公告)日：2021-04-15

申请号：US16937255

申请日：2020-07-23

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L33/00 ,  H01L25/075 ,  H01L33/40 ,  H01L33/42

Abstract: A method of manufacturing a display device includes: forming a first electrode on a substrate; forming an insulating layer on the substrate and on the first electrode;
providing light emitting elements in the insulating layer, each of the light emitting elements having a long axis and a short axis crossing the long axis and being configured to emit light; aligning the light emitting elements such that one end of each of the light emitting elements faces the substrate and the long axis of each of the light emitting elements is arranged in a direction from the substrate toward the insulating layer; patterning the insulating layer to form an insulating pattern exposing another end of each of the light emitting elements; and forming a second electrode electrically connected to the exposed other end of each of the light emitting elements.

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：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.