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.

公开(公告)号：US20220328465A1

公开(公告)日：2022-10-13

申请号：US17544149

申请日：2021-12-07

Applicant: Samsung Display Co., LTD.

Inventor： Sung Geun BAE ,  Jeong Hyun LEE ,  Jong Chan LEE ,  Jin Woo LEE ,  Da Sol JEONG ,  Kyung Ah CHOI

IPC: H01L25/16 ,  H01L33/54

Abstract: A display device includes first and second electrodes disposed on a substrate, the first and second electrodes extending in a direction and being parallel to each other, a first insulating layer disposed on the first and second electrodes, light-emitting elements disposed on the first insulating layer, the light-emitting elements having first end portions disposed on the first electrode and second end portions disposed on the second electrode, and a partition disposed on the first insulating layer and being parallel to the first electrode, the partition including a first part that overlaps the light-emitting elements, and second parts that do not overlap the light-emitting elements, wherein a vertical distance from a top surface of the first electrode to a top surface of the first part is equal to a vertical distance from the top surface of the first electrode to top surfaces of the second parts.

公开(公告)号：US20220140194A1

公开(公告)日：2022-05-05

申请号：US17397448

申请日：2021-08-09

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Jong Hwan CHA ,  Ki Nyeng KANG ,  Hee Jung YOON ,  Sung Jin LEE ,  Jong Chan LEE ,  Tae Hee LEE ,  Kyung Ah CHOI ,  Seung Jin CHU

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

Abstract: A display device includes a first electrode group including a plurality of electrodes, a second electrode group spaced apart from the first electrode group in the first direction and including a plurality of electrodes, light-emitting elements disposed on the electrodes spaced apart from one another in the second direction and having a shape extended in the second direction, and connection electrodes. The connection electrodes includes a first connection electrode, a second connection electrode, a third connection electrode, a fourth connection electrode, and the fifth connection electrode, the first connection electrode is spaced apart from a part of the fourth connection electrode disposed on the second electrode group in the first direction, and the second connection electrode is spaced apart from another part of the fourth connection electrode disposed on the first electrode group in the first direction.

公开(公告)号：US20230282785A1

公开(公告)日：2023-09-07

申请号：US17985661

申请日：2022-11-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Woo LEE ,  Zu Seok OH ,  Jeong Hyun LEE ,  Kyung Ah CHOI

IPC: H01L33/52 ,  H01L25/16

CPC classification number: H01L33/52 ,  H01L25/167 ,  H01L33/483

Abstract: A display device is provided. The display device includes a substrate including a display area and a non-display area, an insulating layer above the substrate, and in the display area and the non-display area, and at least one dam in the non-display area, surrounding the display area, and including a lower dam layer above the substrate, an intermediate dam layer above the lower dam layer, and an upper dam layer covering the lower dam layer and the intermediate dam layer, wherein the insulating layer is between the intermediate dam layer and the upper dam layer.

公开(公告)号：US20220108979A1

公开(公告)日：2022-04-07

申请号：US17356323

申请日：2021-06-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Woo LEE ,  Zu Seok OH ,  Da Sol JEONG ,  Kyung Ah CHOI ,  Kyu Ri HWANG

IPC: H01L25/16 ,  H01L33/62 ,  H01L33/60 ,  H01L27/12

Abstract: A display device is provided. The display device includes: a substrate; a first electrode located on the substrate; a second electrode located between the substrate and the first electrode; a first light emitting element located on the same layer as the first electrode; and a contact electrode located on the first light emitting element, wherein one end of the first light emitting element contacts the first electrode, and the other end of the first light emitting element contacts the contact electrode.

公开(公告)号：US20210391503A1

公开(公告)日：2021-12-16

申请号：US17150499

申请日：2021-01-15

Applicant: Samsung Display Co., LTD.

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

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

Abstract: A display device includes a pixel, which includes at least one first light emitting element disposed between a first electrode and a second electrode; at least one second light emitting element disposed between a second electrode and a third electrode; at least one third light emitting element disposed between a third electrode and a fourth electrode; a first intermediate electrode disposed on the second electrode and electrically connected to the at least one first light emitting element and the at least one second light emitting element; and a second intermediate electrode disposed on the third electrode and electrically connected to the third light emitting elements. The first intermediate electrode and the second intermediate electrode are electrically connected to each other.

公开(公告)号：US20240014351A1

公开(公告)日：2024-01-11

申请号：US18334251

申请日：2023-06-13

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo LEE ,  Zu Seok OH ,  Jeong Hyun LEE ,  Kyung Ah CHOI ,  Kook Hyun CHOI

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/58 ,  H01L25/075 ,  H01L25/16 ,  H01L33/50

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L33/58 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/505 ,  H01L2933/0041 ,  H01L2933/0016

Abstract: A display device may include: a substrate; and a pixel on the substrate, and including an emission area and a non-emission area. The pixel may include: a light emitting element in the emission area, the light emitting element including a first end and a second end; a first pixel electrode electrically connected to the first end of the light emitting element; a second pixel electrode electrically connected to the second end of the light emitting element; an organic transmission layer covering the first end and the second end of the light emitting element, organic transmission layer including a light diffusion particle; and a color conversion layer on the organic transmission layer, the color conversion layer including a color conversion particle to convert a first color of light emitted from the light emitting element to a second color of light.

公开(公告)号：US20230178583A1

公开(公告)日：2023-06-08

申请号：US18056628

申请日：2022-11-17

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Hyun LEE ,  Jin Woo LEE ,  Zu Seok OH ,  Kyung Ah CHOI

IPC: H01L27/15 ,  G02B5/02 ,  H01L33/00 ,  H01L33/24 ,  H01L33/44 ,  H01L33/50

CPC classification number: H01L27/156 ,  G02B5/0242 ,  G02B5/0278 ,  H01L33/005 ,  H01L33/24 ,  H01L33/44 ,  H01L33/50 ,  H01L2933/0091 ,  H01L2933/0041

Abstract: A display device includes a pixel including a first sub-pixel configured to emit a first color light and a second sub-pixel configured to emit a second color light that is different from the first color light. The display includes a substrate including an emission area and a non-emission area surrounding the emission area, a bank in the non-emission area on the substrate, a first electrode and a second electrode in each of the first sub-pixel and the second sub-pixel on the substrate, a light emitting element between the first electrode and the second electrode in the emission area, a wavelength conversion layer on the light emitting element in the emission area, and a protection layer on the substrate. The protection layer includes a first area in the emission area and located between the wavelength conversion layer and the light emitting element, and a second area in the non-emission area.

公开(公告)号：US20230114254A1

公开(公告)日：2023-04-13

申请号：US17833121

申请日：2022-06-06

Applicant: Samsung Display Co., LTd.

Inventor： Kyung Ah CHOI ,  Jin Woo LEE

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/50

Abstract: A display device includes pixels including a light emitting area and a non-light emitting area; light emitting elements disposed in the light emitting area; and a bank disposed in the non-light emitting area. The bank includes an opening overlapping the light emitting area in a plan view; a first area spaced apart from the opening; and a second area surrounding the opening and the first area, and a thickness of the second area is greater than a thickness of the first area.