公开(公告)号：US20240079527A1

公开(公告)日：2024-03-07

申请号：US18240224

申请日：2023-08-30

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Sung Geun BAE ,  Jang Soon PARK ,  Myeong Hun SONG ,  Tae Hee LEE

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/50 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L25/0753 ,  H01L33/505 ,  H01L33/62 ,  H01L2933/0016

Abstract: A display device may include pixels on a substrate. Each of the pixels may include: a first alignment electrode and a second alignment electrode located on the substrate and spaced from each other; a first insulating layer on the first alignment electrode and the second alignment electrode; a light emitting element located on the first insulating layer between the first and second alignment electrodes; a dummy pattern located between the first insulating layer and the light emitting element; a second insulating layer located on the light emitting element and exposing first and second ends of the light emitting element; a first electrode electrically connected to the first end of the light emitting element; and a second electrode spaced from the first electrode, and electrically connected to the second end of the light emitting element. The dummy pattern may include a same material as the second insulating layer.

公开(公告)号：US20220393084A1

公开(公告)日：2022-12-08

申请号：US17719149

申请日：2022-04-12

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Hyun LEE ,  Jang Soon PARK ,  Sung Geun BAE ,  Da Sol JEONG ,  Won Hyeong HEO

IPC: H01L33/62 ,  H01L33/38

Abstract: Provided is a display device comprising a substrate, a first active layer on the substrate and extending along a first direction, and a first conductive layer between the substrate and the first active layer, and including a first conductive pattern and a second conductive pattern spaced apart from each other in the first direction, wherein the first active layer conformally reflects a step difference of the first conductive layer, and includes a branched structure in a space between the first conductive pattern and the second conductive pattern.

公开(公告)号：US20220271021A1

公开(公告)日：2022-08-25

申请号：US17494312

申请日：2021-10-05

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jeong Hyun LEE ,  Hyun KIM ,  Jung Gun NAM ,  Jang Soon PARK ,  Jeong Su PARK ,  Sung Geun BAE ,  Myeong Hun SONG ,  Da Sol JEONG ,  Won Hyeong HEO

IPC: H01L25/16 ,  H01L33/38 ,  H01L33/62

Abstract: A display device and a method of fabricating a display device. The display device includes a substrate including an emission area and a subarea adjacent to the emission area, a bank disposed in the emission area of the substrate, a height difference compensation pattern disposed in the subarea of the substrate, a first electrode and a second electrode that are disposed on the bank, the first electrode and the second electrode being spaced apart from each other, and a light-emitting element disposed in the emission area, between the first electrode and the second electrode.

公开(公告)号：US20240203966A1

公开(公告)日：2024-06-20

申请号：US18364551

申请日：2023-08-03

Applicant: Samsung Display Co., LTD.

Inventor： Sung Geun BAE ,  Jang Soon PARK ,  Tae Hee LEE ,  Hyun Wook LEE ,  Da Sol JEONG

IPC: H01L25/16 ,  H01L27/12

CPC classification number: H01L25/167 ,  H01L27/1259

Abstract: A display device includes sub-alignment areas including a pathway area defined by a first adjacent electrode and a second adjacent electrode spaced apart from each other in a first direction. A pathway area includes a first pathway area and a second pathway area spaced apart from each other along a second direction different from the first direction. The first adjacent electrode of the first pathway area and the first adjacent electrode of the second pathway area are spaced apart from each other with an open area therebetween. The second adjacent electrode of the first pathway area and the second adjacent electrode of the second pathway area are spaced apart from each other with the open area therebetween.

公开(公告)号：US20240120453A1

公开(公告)日：2024-04-11

申请号：US18362628

申请日：2023-07-31

Applicant: Samsung Display Co., LTD.

Inventor： Jang Soon PARK ,  Hyun Wook LEE ,  Sung Geun BAE

IPC: H01L33/62 ,  H01L33/20

CPC classification number: H01L33/62 ,  H01L33/20 ,  H01L25/167

Abstract: A display device includes a substrate, a via layer above the substrate, and including a protrusion, an insulating pattern above the protrusion, and having a width that is greater than a width of the protrusion, first and second electrodes above the via layer, and spaced apart from each other with the protrusion and the insulating pattern therebetween, a first insulating layer above the protrusion, the insulating pattern, the first electrode, and the second electrode, a light-emitting element above the first insulating layer, and between the first electrode and the second electrode, a first connection electrode connected to a first end of the light-emitting element, and a second connection electrode connected to a second end of the light-emitting element.

公开(公告)号：US20240097074A1

公开(公告)日：2024-03-21

申请号：US18468468

申请日：2023-09-15

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Jang Soon PARK ,  Sung Geun BAE ,  Tae Hee LEE ,  Hyun Wook LEE ,  Kwang Taek HONG

IPC: H01L33/38 ,  H01L25/16

CPC classification number: H01L33/38 ,  H01L25/167

Abstract: A display device includes a substrate including an emission area and a non-emission area, alignment electrodes arranged to be spaced from each other in a first direction on the substrate and extending in a second direction crossing the first direction, and pixels arranged along the second direction. Pixels adjacent to each other in the second direction from among the pixels may be configured to emit light of different colors. Each of the pixels may include first light emitting elements on the alignment electrodes and arranged along the second direction, second light emitting elements on the alignment electrodes, spaced from the first light emitting elements in the first direction, and arranged along the second direction, a first pixel electrode electrically connected to a first driving power and first ends of the first light emitting elements, a second pixel electrode spaced from the first pixel electrode in the first direction.

公开(公告)号：US20240072229A1

公开(公告)日：2024-02-29

申请号：US18453181

申请日：2023-08-21

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Jang Soon PARK ,  Sung Geun BAE ,  Tae Hee LEE ,  Hyun Wook LEE

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L33/38

Abstract: A display device includes: light emitting elements, each of the light emitting elements including a first end having a first polarity and a second end having a second polarity different from the first polarity; and a first type connection electrode contacting the first ends and/or the second ends of the light emitting elements, wherein a first type connection electrode includes: a middle portion extending in a first direction; a first electrode portion extending from the middle portion toward a first side in a second direction intersecting the first direction; a second electrode portion extending from the middle portion toward the first side in the second direction and spaced from the first electrode portion by a first width in the first direction; a third electrode portion extending from the middle portion toward a second side in the second direction; and a fourth electrode portion.

公开(公告)号：US20230299239A1

公开(公告)日：2023-09-21

申请号：US18095098

申请日：2023-01-10

Applicant: Samsung Display Co., LTD.

Inventor： Sung Geun BAE ,  Jang Soon PARK ,  Hyun Wook LEE ,  Da Sol JEONG ,  Su Min CHOI ,  Won Hyeong HEO

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/00 ,  H01L25/075

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L33/005 ,  H01L25/0753 ,  H01L2933/0016

Abstract: A display device and method for fabrication thereof are provided. The display device includes a first electrode and a second electrode spaced apart from the first electrode in a second direction, light emitting elements disposed on the first electrode and the second electrode, a first insulating layer disposed on the light emitting elements, a first connection electrode disposed on the first electrode and electrically contacting each of the light emitting elements, and a second connection electrode disposed on the second electrode and electrically contacting each of the light emitting elements, and the first insulating layer includes a first portion and a second portion having a thickness larger than a thickness of the first portion of the first insulating layer.

公开(公告)号：US20220344540A1

公开(公告)日：2022-10-27

申请号：US17454419

申请日：2021-11-10

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Geun BAE ,  Jang Soon PARK ,  Jeong Hyun LEE ,  Da Sol JEONG ,  Won Hyeong HEO

IPC: H01L33/38 ,  H01L21/68 ,  H01L33/40 ,  H01L25/075 ,  H01L33/00

Abstract: A display device includes: a first light emitting element located between the first and second patterns; a first alignment electrode located on the first pattern, the first alignment electrode having a first inclined surface opposing the first light emitting element; a first connection electrode at a same layer as the first alignment electrode; and first and second electrodes electrically connected to respective end portions of the first light emitting element. Each of the first alignment electrode and the first connection electrode includes first and second electrode layers that are sequentially stacked. A contact hole exposing the first electrode layer of the first connection electrode is formed in the second electrode layer of the first connection electrode. The first electrode is in contact with the first electrode layer of the first connection electrode and a side surface of the second electrode layer of the first connection electrode through the contact hole.