公开(公告)号：US20210367109A1

公开(公告)日：2021-11-25

申请号：US17120970

申请日：2020-12-14

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Sung Geun BAE ,  Jeong Hyun LEE ,  Jong Chan LEE ,  Tae Hee LEE ,  Woong Hee JEONG

IPC: H01L33/38 ,  H01L27/15

Abstract: A display device includes a light emitting element including a first semiconductor layer; a second semiconductor layer; and a third semiconductor layer disposed between the first semiconductor layer and the second semiconductor layer; a first contact electrode electrically connected to the first semiconductor layer of the light emitting element; a second contact electrode electrically connected to the second semiconductor layer of the light emitting element; and a third contact electrode disposed between the first contact electrode and the second contact electrode and electrically connected to the third semiconductor layer of the light emitting element, wherein the first semiconductor layer of the light emitting element and the second semiconductor layer of the light emitting element are doped with a first dopant having a first polarity, and the third semiconductor layer of the light emitting element is doped with a second dopant having a second polarity different from the first polarity.

公开(公告)号：US20210351322A1

公开(公告)日：2021-11-11

申请号：US17202943

申请日：2021-03-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Wook LEE ,  Myeong Hun SONG ,  Jeong Hyun LEE ,  Jong Chan LEE ,  Tae Hee LEE

IPC: H01L33/38 ,  H01L33/42 ,  H01L27/15 ,  H01L33/50 ,  H01L33/46

Abstract: The display device according to an exemplary embodiment of the present disclosure includes a substrate and a display element unit. The display element unit includes a first electrode on the substrate, a second electrode on the substrate and spaced apart from the first electrode in a first direction, and a plurality of light emitting elements between the first electrode and the second electrode in a plan view. Each of the first and second electrodes includes an opening.

公开(公告)号：US20210028244A1

公开(公告)日：2021-01-28

申请号：US16927369

申请日：2020-07-13

Applicant: Samsung Display Co., LTD.

Inventor： Woong Hee JEONG ,  Ki Bum KIM ,  Jin Yeong KIM ,  Hyang A PARK ,  Tae Hoon YANG ,  Jong Chan LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.

公开(公告)号：US20240006558A1

公开(公告)日：2024-01-04

申请号：US18104467

申请日：2023-02-01

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Su PARK ,  Jun Seok MIN ,  Sung Jin LEE ,  Jong Chan LEE ,  Woong Hee JEONG

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

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

Abstract: A display device includes a first electrode and a second electrode disposed on a substrate; a first insulating layer disposed over the first electrode and the second electrode; a first bank and a second bank disposed on the first insulating layer and spaced apart from each other; and a light emitting element disposed between the first bank and the second bank. A top surface of the first bank may include a concave groove including a dam structure protruding in a first direction.

公开(公告)号：US20230128161A1

公开(公告)日：2023-04-27

申请号：US17915276

申请日：2020-06-10

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Sung Jin LEE ,  Jong Chan LEE ,  Tae Hee LEE ,  Hyun Wook LEE ,  Seung Jin CHU

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L33/00

Abstract: A display device includes a first electrode and a second electrode spaced apart from each other on a substrate; a first insulating layer disposed between the first electrode and the second electrode, and not overlapping the first electrode and the second electrode in a thickness direction of the first insulating layer; and a light emitting element disposed on the first insulating layer, wherein side surfaces of the first insulating layer contact the first electrode and the second electrode.

公开(公告)号：US20230032275A1

公开(公告)日：2023-02-02

申请号：US17749964

申请日：2022-05-20

Applicant: Samsung Display Co., LTD.

Inventor： Myeong Hun SONG ,  Jong Chan LEE ,  Hyun KIM ,  Jeong Kook WANG ,  In Woo KIM ,  Seung Jin CHU ,  Jeong Su PARK ,  Yong Tae CHO

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

Abstract: A display device includes a substrate, first and second bridge electrodes on the substrate and spaced apart from each other, a first electrode on the first bridge electrode, a second electrode on the second bridge electrode and spaced apart from the first electrode, a first insulating layer on the first electrode and the second electrode, a light emitting element on the first insulating layer, and on the first electrode and the second electrode, a first connection electrode on the first electrode, and contacting the light emitting element and the first bridge electrode, and a second connection electrode on the second electrode, and contacting the light emitting element and the second bridge electrode, wherein the first electrode directly contacts the first bridge electrode, and is separated from the first connection electrode, and wherein the second electrode directly contacts the second bridge electrode, and is separated from the second connection electrode.

公开(公告)号：US20220328726A1

公开(公告)日：2022-10-13

申请号：US17699426

申请日：2022-03-21

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Cheol Ku KANG ,  Hyun KIM ,  Jeong Su PARK ,  Myeong Hun SONG ,  Hyun Wook LEE

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

Abstract: A manufacturing method of a display device and a display device are provided. A manufacturing method of a display device includes: preparing a substrate including a light emitting area and a non-light emitting area; arranging a first electrode, a second electrode, a first uncut electrode, and a second uncut electrode on the substrate; forming a bank in the non-light emitting area of the substrate; arranging a light emitting element in the light emitting area of the substrate; removing at least a portion of each of the first uncut electrode and the second uncut electrode; arranging a first contact electrode electrically connecting the light emitting element and the first electrode; and arranging a second contact electrode electrically connecting the light emitting element and the second electrode, and the at least the portion of each of the first uncut electrode and the second uncut electrode is removed within an open area.

公开(公告)号：US20220254970A1

公开(公告)日：2022-08-11

申请号：US17528529

申请日：2021-11-17

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Myeong Hun SONG ,  Jong Chan LEE ,  Sung Won JO

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/38 ,  H01L23/00 ,  H01L33/40

Abstract: A display device includes a first electrode and a second electrode disposed on a substrate, the first and second electrodes extending in a first direction in 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 including first end portions disposed on the first electrode and second end portions disposed on the second electrode, an oxide semiconductor layer disposed on the first insulating layer and the light-emitting elements, the oxide semiconductor layer including a first conductive portion electrically contacting the first end portions of the light-emitting elements, a second conductive portion electrically contacting the second end portions of the light-emitting elements, and a semiconductive portions disposed between the first and second conductive portions, and a second insulating layer disposed on the oxide semiconductor layer.

公开(公告)号：US20220199870A1

公开(公告)日：2022-06-23

申请号：US17475996

申请日：2021-09-15

Applicant: Samsung Display Co., LTD.

Inventor： Hyun KIM ,  Jeong Su PARK ,  Myeong Hun SONG ,  Sang Hoon LEE ,  Jong Chan LEE

IPC: H01L33/54 ,  H01L25/16 ,  H01L33/38 ,  H01L33/62

Abstract: A display device includes a substrate; a first electrode and a second electrode disposed in an emission area and a sub-region and spaced apart from each other in a first direction; a first insulating layer disposed on the first electrode and the second electrode; light emitting elements disposed on the first insulating layer in the emission area, and including ends disposed on the first and second electrodes, respectively; and a second insulating layer disposed on the first insulating layer. The second insulating layer includes a fixing pattern; a support pattern portion; and a connection portion electrically connecting the fixing pattern and the support pattern portion, and the fixing pattern includes a first region that contacts an outer surface of the light emitting elements and a second region that does not contact the outer surface of 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.