公开(公告)号：US20230411568A1

公开(公告)日：2023-12-21

申请号：US18304608

申请日：2023-04-21

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Hyun LEE ,  Jin Woo LEE ,  Zu Seok OH ,  Seung Jin CHU

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

CPC classification number: H01L33/505 ,  H01L33/62 ,  H01L25/0753

Abstract: A display device in accordance with an embodiment may include light emitting elements on a base layer; a bank on the base layer and protruding in a thickness direction of the base layer; and a color conversion layer on the light emitting elements in an area adjacent to the bank, the color conversion layer including quantum dots that convert a color of a light. The bank may include a main body and protrusions protruding from the main body toward the light emitting elements.

公开(公告)号：US20220077121A1

公开(公告)日：2022-03-10

申请号：US17313490

申请日：2021-05-06

Applicant: Samsung Display Co., LTD.

Inventor： Sung Geun BAE ,  Jeong Nyun KIM ,  Zu Seok OH ,  Jeong Hyun LEE ,  Jong Chan LEE ,  Da Sol JEONG

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/50 ,  H01L33/58 ,  H01L33/60

Abstract: A display device includes a base layer including a display area, a first pixel, a second pixel, and a third pixel disposed in the display area and including light-emitting elements disposed in light-emitting areas, a first light conversion layer, a second light conversion layer, and a third light conversion layer on the light-emitting areas of the first pixel, the second pixel, and the third pixel, respectively, a light blocking layer between the first, second and third light conversion layers, and having a height lower than the first, second, and third light conversion layers, the light blocking layer surrounding a portion of side surfaces of the first, second and third light conversion layers, and a first reflective layer disposed on the light blocking layer and surrounding the first, second and third light conversion layers.

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：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：US20230335575A1

公开(公告)日：2023-10-19

申请号：US17975712

申请日：2022-10-28

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo LEE ,  Cheon Jae MAENG ,  Zu Seok OH ,  Jae Hyoung YOUN ,  Jeong Hyun LEE ,  Seung Jin CHU

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  H01L33/50

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/44 ,  H01L33/50 ,  H01L2933/0041

Abstract: A display device including a display area and a non-display area includes: a light emitting element on a base layer in the display area; a dam member on the base layer in the non-display area; a color filter layer disposed in the display area and the non-display area and including an outer color filter layer disposed in the non-display area; and a cover layer on the color filter layer. The cover layer may cover at least a portion of the outer color filter layer.

公开(公告)号：US20230317887A1

公开(公告)日：2023-10-05

申请号：US17973756

申请日：2022-10-26

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo LEE ,  Jeong Nyun KIM ,  Zu Seok OH ,  Jeong Hyun LEE

IPC: H01L25/16 ,  H01L33/00 ,  H01L33/44

CPC classification number: H01L33/44 ,  H01L25/167 ,  H01L33/007 ,  H01L33/32

Abstract: Embodiments provide a display device and a method for manufacturing the same. The display device includes a first electrode and a second electrode disposed on a substrate, spaced apart from each other, and extending in a direction, light-emitting elements disposed on the first electrode and the second electrode, an organic ligand having a polarity that is bonded to a portion of each of the light-emitting elements, a first connection electrode electrically connected to an end of each of the plurality of light-emitting elements, and a second connection electrode electrically connected to another end of each of the plurality of light-emitting elements. The end of each of the plurality of light-emitting elements electrically contacts the first electrode, and the another end of each of the plurality of light-emitting elements electrically contacts the second electrode.

公开(公告)号：US20230163247A1

公开(公告)日：2023-05-25

申请号：US17879566

申请日：2022-08-02

Applicant: Samsung Display Co., LTD.

Inventor： Hyun KIM ,  Jeong Nyun KIM ,  Jeong Su PARK ,  Zu Seok OH ,  Jong Chan LEE

IPC: H01L33/46 ,  H01L27/15 ,  H01L33/24 ,  H01L33/38

CPC classification number: H01L33/46 ,  H01L27/156 ,  H01L33/24 ,  H01L33/38

Abstract: A display device includes a first electrode on a substrate and a second electrode spaced from the first electrode, a first insulating layer on the first electrode and the second electrode, a plurality of light emitting elements on the first insulating layer and on the first electrode and the second electrode, a first connection electrode on the first electrode and contacting a first end of each of the plurality of light emitting elements, and a second connection electrode on the second electrode and contacting a second end of each of the plurality of light emitting elements, wherein each of the plurality of light emitting elements includes a first semiconductor layer doped with an n-type dopant, a second semiconductor layer doped with a p-type dopant, a light emitting layer between the first semiconductor layer and the second semiconductor layer, and an insulating film surrounding at least the light emitting layer.