公开(公告)号：US20240363607A1

公开(公告)日：2024-10-31

申请号：US18438099

申请日：2024-02-09

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Jang Soon PARK ,  Sung Geun BAE ,  Jun Ho BAE ,  Tae Hee LEE

IPC: H01L25/16 ,  H01L25/075 ,  H01L27/12 ,  H01L33/10 ,  H01L33/62

CPC classification number: H01L25/167 ,  H01L25/0753 ,  H01L27/124 ,  H01L33/10 ,  H01L33/62

Abstract: According to one or more embodiments of the disclosure, a display device comprises a pixel-circuit layer above a base layer and comprising a pixel circuit comprising a transistor comprising an active layer and a trench structure adjacent to the active layer and having reflexibility, and a light-emitting element on the pixel-circuit layer.

公开(公告)号：US20230016834A1

公开(公告)日：2023-01-19

申请号：US17663931

申请日：2022-05-18

Applicant: Samsung Display Co., LTD.

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

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

Abstract: A display device includes a first electrode extending in a first direction, and a second electrode spaced from the first electrode in a second direction, a plurality of light emitting elements on the first electrode and the second electrode, a light emitting element of the plurality of light emitting elements comprising a first end on the first electrode and a second end on the second electrode, a first connection electrode extending in the first direction and on the first electrode, a second connection electrode extending in the first direction and on the second electrode, a third connection electrode on the first electrode and spaced from the first connection electrode in the first direction, and a fourth connection electrode on the second electrode and spaced from the second connection electrode in the second direction, wherein the plurality of light emitting elements comprises first light emitting elements and second light emitting elements.

公开(公告)号：US20250140761A1

公开(公告)日：2025-05-01

申请号：US18930486

申请日：2024-10-29

Applicant: Samsung Display Co., LTD.

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

IPC: H01L25/075 ,  H01L33/36

Abstract: A display device includes an emission area and a non-emission area, first to third alignment electrodes sequentially arranged in a first direction, a plurality of first light-emitting elements disposed between the first alignment electrode and the second alignment electrode and a plurality of second light-emitting elements disposed between the second alignment electrode and the third alignment electrode, a first electrode electrically connected to a first end portion of each of the first and second plurality of light-emitting elements, and a second electrode electrically connected to a second end portion of each of the first and second plurality of light-emitting elements. The emission area may include a first area, a second area, and a third area divided in a second direction. The first electrode may be positioned in the first area and the second area and may be electrically disconnected in the third area.

公开(公告)号：US20240213275A1

公开(公告)日：2024-06-27

申请号：US18366877

申请日：2023-08-08

Applicant: Samsung Display Co., LTD.

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

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/1248 ,  H01L25/167 ,  H01L27/1259 ,  H01L27/124

Abstract: A display device may include pixel areas each including a first area and a second area; and a pixel in each pixel area. The pixel may include first to fifth insulating layers stacked on a substrate; a power line on the substrate; a pixel circuit component provided in the first area, and including a transistor disposed on the substrate and electrically connected to the power line; and an emission component provided in the second area, and including first, second, and third alignment electrodes disposed on the substrate, and a light emitting element disposed between the first, second, and third alignment electrodes. At least one of the first to the fifth insulating layers may be disposed under the first to the third alignment electrodes and may include an inorganic insulating layer.

公开(公告)号：US20230044364A1

公开(公告)日：2023-02-09

申请号：US17752327

申请日：2022-05-24

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/62 ,  H01L33/38

Abstract: A display device may include a substrate including a display area and a non-display area; pixels disposed in the display area; first and second driving voltage lines disposed in the non-display area and spaced apart from each other; a first fan-out line disposed in the non-display area and electrically connected to the first driving voltage line; a second fan-out line disposed in the non-display area and electrically connected to the second driving voltage line; a first power line including at least two first sub-power lines branching off to a corresponding one of the pixels from the first fan-out line; and a second power line including at least two second sub-power lines branching off to a corresponding one of the pixels from the second fan-out line.

公开(公告)号：US20230031785A1

公开(公告)日：2023-02-02

申请号：US17703536

申请日：2022-03-24

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L33/42

Abstract: A display device includes a transistor on a substrate, a via layer on the transistor, a first electrode and a second electrode on the via layer and arranged in parallel to each other, a first insulating layer on the first and second electrodes, a first bridge pattern on the first insulating layer and connected to the transistor, light-emitting elements having both end portions thereof on the first and second electrodes, a first connecting electrode connected to first end portions of the light-emitting elements, and a second connecting electrode connected to second end portions of the light-emitting elements, wherein the first connecting electrode is in contact with the first bridge pattern and is electrically connected to the transistor.

公开(公告)号：US20220367768A1

公开(公告)日：2022-11-17

申请号：US17695665

申请日：2022-03-15

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/60 ,  H01L25/16 ,  H01L27/12 ,  H01L23/00

Abstract: According to some embodiments of the present disclosure, a display device includes a substrate, a first electrode and a second electrode on the substrate, and spaced apart from each other, a light emitting element between the first electrode and the second electrode, a first bank pattern and a second bank pattern protruding in a display direction of the display device, a first contact electrode and a second contact electrode electrically connecting the light emitting element to the first electrode and the second electrode, respectively, the first contact electrode including a first contact light-transmitting layer, and a first reflective electrode including a first reflective layer, and a first light-transmitting layer including a same material as the first contact light-transmitting layer, at least a portion of the first reflective electrode being on the first bank pattern.

公开(公告)号：US20220310881A1

公开(公告)日：2022-09-29

申请号：US17575110

申请日：2022-01-13

Applicant: Samsung Display Co., LTD.

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

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

Abstract: A display device includes a transistor disposed in a pixel, a connection electrode electrically connected to the transistor, first electrodes electrically separated from the connection electrode, light emitting elements disposed between the first electrodes, and second electrodes disposed on the first electrodes and the light emitting elements. The second electrodes electrically connect the connection electrode and the light emitting elements.

公开(公告)号：US20220190071A1

公开(公告)日：2022-06-16

申请号：US17519145

申请日：2021-11-04

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L27/32

Abstract: A display device includes a plurality of outer banks extending in a first direction and are spaced from one another in a second direction that intersects the first direction, first and second bank parts spaced from the plurality of outer banks in the second direction between the outer banks, and spaced from each other in the first direction, first and second inner banks extending in the first direction between the plurality of outer banks, the first and second inner banks being spaced from each other in the second direction, first and second electrodes on the first and second inner banks, respectively, and spaced from each other in the second direction, light-emitting elements having first end portions on one of the first and second electrodes, the light-emitting elements being arranged along the first direction, and a first insulating layer including a first pattern portion between the first and second inner banks.

公开(公告)号：US20250105233A1

公开(公告)日：2025-03-27

申请号：US18976852

申请日：2024-12-11

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.