公开(公告)号：US20230170438A1

公开(公告)日：2023-06-01

申请号：US17872303

申请日：2022-07-25

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hong PARK ,  Bo Geon JEON ,  Eui Suk JUNG

IPC: H01L33/20 ,  H01L25/16 ,  H01L33/00 ,  H01L23/00

CPC classification number: H01L33/20 ,  H01L25/167 ,  H01L33/0093 ,  H01L24/95 ,  H01L33/0075 ,  H01L33/007 ,  H01L33/325

Abstract: A display device includes a pixel circuit layer disposed on a substrate, a first electrode disposed on the pixel circuit layer, light emitting elements provided on the first electrode and electrically connected to the first electrode, a second electrode provided on the light emitting elements, and an insulating layer filling gaps between the light emitting elements between the first electrode and the second electrode. Each of the light emitting elements includes a first end and a second end, and the first end includes a curved surface.

公开(公告)号：US20220130895A1

公开(公告)日：2022-04-28

申请号：US17444742

申请日：2021-08-09

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Gyun KIM ,  Jun Hong PARK ,  Ki Beom LEE ,  Eui Suk JUNG

IPC: H01L27/15 ,  H01L33/54 ,  H01L33/24

Abstract: A unit of light-emitting elements is provided. The unit includes: a plurality of light-emitting elements having a shape extended in a first direction and arranged and spaced apart from one another in a second direction perpendicular to the first direction; and a binder extending around a periphery of the plurality of light-emitting elements and fixing the plurality of light-emitting elements. Each of the plurality of light-emitting elements includes: a first semiconductor layer; a second semiconductor layer; and an active layer between the first semiconductor layer and the second semiconductor layer. The plurality of light-emitting elements includes a first light-emitting element and a second light-emitting element. A first semiconductor layer of the first light-emitting element, an active layer of the first light-emitting element, and a second semiconductor layer of the first light-emitting element are arranged along the first direction in this order, and a second semiconductor layer of the second light-emitting element, an active layer of the second light-emitting element, and a first semiconductor layer of the second light-emitting element are arranged along the first direction in this order.

公开(公告)号：US20240105695A1

公开(公告)日：2024-03-28

申请号：US18526872

申请日：2023-12-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Gyun KIM ,  Jun Hong PARK ,  Jun CHUN ,  Eui Suk JUNG ,  Hyun Young JUNG

IPC: H01L25/16 ,  H01L25/075 ,  H01L33/62

CPC classification number: H01L25/167 ,  H01L25/0753 ,  H01L33/62 ,  H01L2933/0066

Abstract: A display device includes: a pixel circuit layer including a plurality of transistors; first partition wall and a second partition wall on the pixel circuit layer, each of the first and second partition walls having a shape protruding in a thickness direction; a first electrode and a second electrode on the same layer and respectively on the first partition wall and the second partition wall; a light emitting element between the first electrode and the second electrode; and a semiconductor pattern directly on the first electrode.

公开(公告)号：US20240088168A1

公开(公告)日：2024-03-14

申请号：US18515186

申请日：2023-11-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Gyun KIM ,  Jun Hong PARK ,  Eui Suk JUNG

IPC: H01L27/12 ,  H01R12/62

CPC classification number: H01L27/124 ,  H01L27/1259 ,  H01R12/62

Abstract: A display device includes: a first substrate; a second substrate on the first substrate and exposing a first edge portion of the first substrate, the second substrate protruding beyond a second edge portion of the first substrate; a connection line on the first edge portion of the first substrate, the connection line having a first end portion protruding beyond a first side of the second substrate and a second end portion covered by the second substrate; and a thin-film transistor layer on the second substrate and connected to the connection line. The thin-film transistor layer includes signal lines extending from the first side to a second side of the second substrate. The signal lines extend into contact openings in the thin-film transistor layer and are exposed at a lower part of the second substrate on the second side of the second substrate.

公开(公告)号：US20210202810A1

公开(公告)日：2021-07-01

申请号：US17088229

申请日：2020-11-03

Applicant: Samsung Display Co., Ltd.

Inventor： Eui Suk JUNG ,  Tae Gyun KIM ,  Jun Hong PARK ,  Jun CHUN ,  Hyun Young JUNG

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

Abstract: A display device according to an exemplary embodiment of the present disclosure comprises an insulation layer on a substrate and having a groove concave in a direction toward the substrate; a first reflective layer on at least a portion of the insulation layer; and a display element layer on the insulation layer and the first reflective layer, the display element layer including a light emitting element overlapping at least a portion of the groove and .

公开(公告)号：US20210202803A1

公开(公告)日：2021-07-01

申请号：US17082742

申请日：2020-10-28

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hong PARK ,  Tae Gyun KIM ,  Jun CHUN ,  Eui Suk JUNG ,  Hyun Young JUNG

IPC: H01L33/56 ,  H01L33/38 ,  H01L33/40 ,  H01L33/00

Abstract: A display device and a manufacturing method thereof are disclosed. The display device may include a pixel circuit layer including a plurality of transistors, a first partition wall and a second partition wall on the pixel circuit layer, and each protruding in a thickness direction, a first electrode and a second electrode formed on the same layer, and on the first partition wall and the second partition wall, respectively; a light emitting element between the first electrode and the second electrode; and a first organic pattern directly on the light emitting element.

公开(公告)号：US20210202796A1

公开(公告)日：2021-07-01

申请号：US17087458

申请日：2020-11-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hong PARK ,  Tae Gyun KIM ,  Jun CHUN ,  Eui Suk JUNG ,  Hyun Young JUNG

IPC: H01L33/38 ,  H01L33/24 ,  H01L25/075

Abstract: A display device includes a display element layer on a substrate. The display element layer may include first and second electrodes, and light emitting elements electrically coupled to the first and second electrodes. The first electrode may include first protrusions, a first portion located between the first protrusions, a second portion corresponding to a side of each first protrusion, and a third portion coupled between the first portion and a first end of the second portion. The second electrode may include second protrusions that protrude toward the first electrode and are spaced apart from each other in the first direction, a first portion located between the second protrusions, a second portion corresponding to a side of each of the second protrusions, and a third portion coupled between the first portion and a first end of the second portion.