公开(公告)号：US20210376281A1

公开(公告)日：2021-12-02

申请号：US17316505

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Ki Bum KIM ,  Jin Taek KIM ,  Sang Hoon LEE ,  Hyun Wook LEE

IPC: H01L51/52 ,  H01L51/56 ,  H01L27/32

Abstract: A display device and a method of fabricating a display device are provided, the display device comprising a first substrate, first and second electrodes on the first substrate and spaced apart from each other, a first insulating layer covering portions of the first and second electrodes, light-emitting elements on the first insulating layer, a first contact electrode on the first electrode and in contact with first end portions of the light-emitting elements, a second insulating layer on the light-emitting elements and covering a first end portion of the first contact electrode, and a second contact electrode between the second insulating layer and the second electrode, and in contact with second end portions of the light-emitting elements.

公开(公告)号：US20210367024A1

公开(公告)日：2021-11-25

申请号：US17236995

申请日：2021-04-21

Applicant: Samsung Display Co., Ltd.

Inventor： Ki Bum KIM ,  Kyung Tae CHAE ,  Ki Nyeng KANG ,  Jin Taek KIM ,  Hyun Wook LEE

IPC: H01L27/32

Abstract: A display device including: a substrate; a conductive layer on the substrate and including a first voltage line and a second voltage line extending in a first direction; a first electrode and a second electrode on the conductive layer, extending in the first direction, and spaced apart from each other; a plurality of light-emitting elements on the first electrode and the second electrode; and an electrode pattern on the conductive layer and separated from the first electrode. The electrode pattern overlaps the first voltage line in a thickness direction and directly contacts the first voltage line.

公开(公告)号：US20210193614A1

公开(公告)日：2021-06-24

申请号：US16996714

申请日：2020-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Jin LEE ,  Jin Yeong KIM ,  Jin Taek KIM ,  Soo Hyun MOON ,  Tae Hoon YANG ,  Seung Min LEE

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

Abstract: Provided is a display device including a substrate including a display area including a plurality of pixel areas, and a non-display area outside the display area, a pixel circuit layer including a plurality of circuit elements in the display area, a display element layer including a plurality of light-emitting elements in the display area on the pixel circuit layer, and first and second alignment lines on the substrate, and each including a main line at the same layer as at least one electrode on the display element layer, and a sub line electrically connected to the main line and at the same layer as at least one electrode on the pixel circuit layer, wherein the first alignment line and the second alignment line do not include the main line in the non-display area, and include the sub line to be spaced apart from one edge of the substrate.

公开(公告)号：US20210134877A1

公开(公告)日：2021-05-06

申请号：US17023068

申请日：2020-09-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Taek KIM ,  Jin Yeong KIM ,  Soo Hyun MOON ,  Sang Ho PARK ,  Seung Min LEE ,  Jin Woo LEE ,  Tae Hoon YANG

IPC: H01L27/15 ,  H01L33/62 ,  G09G3/32 ,  H01L33/06 ,  H01L33/38

Abstract: A display panel includes a base layer having a display area and a non-display area including a pad area; a plurality of transistors on the base layer; a first protective layer covering the plurality of transistors; a conductive layer on the first protective layer; a second protective layer over the conductive layer; a first electrode and a second electrode on the second protective layer, the first and second electrodes being spaced from each other; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode being in contact with one end portion of the light emitting element, and a second contact electrode on the second electrode, the second contact electrode being in contact with the other end portion of the at least one light emitting element; and a first pad in the pad area.

公开(公告)号：US20240234663A9

公开(公告)日：2024-07-11

申请号：US18488705

申请日：2023-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Taek KIM ,  Veidhes BASRUR ,  Ki Nyeng KANG ,  Ock Soo SON ,  Yong Tae CHO ,  Jong Hwan CHA

IPC: H01L33/62 ,  H01L25/16

CPC classification number: H01L33/62 ,  H01L25/167

Abstract: A pixel may include: an emission area and a non-emission area; a first bank in the non-emission area, the first bank including an opening corresponding to the emission area; a first electrode, a second electrode, and an intermediate electrode that are spaced from each other; light emitting elements in the emission area, each of the light emitting elements including one end portion electrically connected to one of the first electrode, the second electrode, or the intermediate electrode and an other end portion electrically connected to another one of the first electrode, the second electrode, or the intermediate electrode; and a sub-bank located in the opening of the first bank, the sub-bank being spaced from the first bank. The intermediate electrode may be around at least a portion of the sub-bank.

公开(公告)号：US20240088340A1

公开(公告)日：2024-03-14

申请号：US18457840

申请日：2023-08-29

Applicant: Samsung Display Co., LTD.

Inventor： Yong Tae CHO ,  Ki Nyeng KANG ,  Veidhes BASRUR ,  Jin Taek KIM ,  Ock Soo SON

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L33/38 ,  H01L33/40

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/1218 ,  H01L27/1262 ,  H01L33/38 ,  H01L33/40 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a substrate including a display area and a pad area, a circuit element layer on the substrate, and an alignment electrode layer on the circuit element layer, wherein the circuit element layer includes a thin film transistor in the display area, and a pad electrode in the pad area, the alignment electrode layer includes a first alignment electrode and a second alignment electrode spaced from each other in the display area, and a pad upper electrode includes a first opening exposing the pad electrode in the pad area, and a light emitting element is on a space between the first alignment electrode and the second alignment electrode that are spaced from each other.

公开(公告)号：US20230207571A1

公开(公告)日：2023-06-29

申请号：US17926844

申请日：2020-06-17

Applicant: Samsung Display Co., LTD.

Inventor： Kwang Taek HONG ,  Myeong Hun SONG ,  Jin Taek KIM ,  Sung Geun BAE ,  Seung Min LEE

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

CPC classification number: H01L27/124 ,  H01L25/167 ,  H01L33/62 ,  H01L33/60

Abstract: Provided are a display device and a method for manufacturing the same. The display device includes banks extending in a first direction on a substrate and spaced apart from each other; a first electrode and a second electrode extending in the first direction and spaced apart from each other on different banks; an insulation layer disposed on the substrate and partially covering the first electrode and the second electrode; and light emitting elements disposed on the insulation layer and having ends disposed on the first electrode and the second electrode wherein the first electrode and the second electrode generate an electric field when a magnetic field is applied to the first electrode and the second electrode.

公开(公告)号：US20220415850A1

公开(公告)日：2022-12-29

申请号：US17819300

申请日：2022-08-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung Jin LEE ,  Jin Yeong KIM ,  Jin Taek KIM ,  Soo Hyun MOON ,  Tae Hoon YANG ,  Seung Min LEE

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

Abstract: Provided is a display device including a substrate including a display area including a plurality of pixel areas, and a non-display area outside the display area, a pixel circuit layer including a plurality of circuit elements in the display area, a display element layer including a plurality of light-emitting elements in the display area on the pixel circuit layer, and first and second alignment lines on the substrate, and each including a main line at the same layer as at least one electrode on the display element layer, and a sub line electrically connected to the main line and at the same layer as at least one electrode on the pixel circuit layer, wherein the first alignment line and the second alignment line do not include the main line in the non-display area, and include the sub line to be spaced apart from one edge of the substrate.

公开(公告)号：US20210384169A1

公开(公告)日：2021-12-09

申请号：US17210282

申请日：2021-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Keun LEE ,  Jin Taek KIM ,  Seung Min LEE ,  Jung Hwan YI ,  Baek Hyeon LIM ,  Kyung Tae CHAE

IPC: H01L25/075 ,  H01L27/12 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62

Abstract: A pixel includes a first electrode and a second electrode facing each other, an insulating layer on the first and second electrodes, a plurality of light-emitting elements located on the insulating layer between the first electrode and the second electrode, a first contact electrode electrically connected to the first electrode, and a second contact electrode electrically connected to the second electrode. Here, a first gap having a constant width in a first direction and a second gap having a width in the first direction that gradually changes along a second direction are located between the first electrode and the second electrode or between the first contact electrode and the second contact electrode.

公开(公告)号：US20210359167A1

公开(公告)日：2021-11-18

申请号：US17156253

申请日：2021-01-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Wook LEE ,  Ki Bum KIM ,  Jin Taek KIM ,  Seung Min LEE ,  Kwang Taek HONG ,  Jung Eun HONG

IPC: H01L33/38 ,  H01L27/15

Abstract: A pixel includes a first electrode; a second electrode surrounding at least a portion of the first electrode; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode electrically connecting the first electrode and the plurality of light emitting elements; a second contact electrode on the second electrode, the second contact electrode electrically connecting the second electrode and the plurality of light emitting elements; and an intermediate electrode on the first electrode and the second electrode, the intermediate electrode comprising a first area overlapping the first electrode and a second area overlapping the second electrode, the first area and the second area being integrally connected to each other.