公开(公告)号：US20230231096A1

公开(公告)日：2023-07-20

申请号：US18092509

申请日：2023-01-03

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hwan CHA ,  Ki Nyeng KANG ,  Jin Taek KIM ,  Hong Joon MOON

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

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

Abstract: A display device comprises electrode patterns spaced apart from each other in a first direction; a via layer disposed on the electrode patterns; first electrodes, each of the first electrodes partially overlapping an electrode pattern of the electrode patterns on the via layer in a plan view and extending in a second direction intersecting the first direction; second electrodes, each of the second electrodes comprising a portion extending in the second direction, the first electrodes and the second electrodes being spaced apart from each other and alternately disposed with each other; and light emitting elements disposed on a first electrode of the first electrodes and a second electrode of the second electrodes. The first electrodes are in contact with the electrode patterns through first electrode contact holes penetrating the via layer, and the first electrode contact holes are spaced apart from each other in the first direction.

公开(公告)号：US20230187584A1

公开(公告)日：2023-06-15

申请号：US17998352

申请日：2020-07-28

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/38 ,  H01L33/62 ,  H01L25/075

CPC classification number: H01L33/387 ,  H01L33/62 ,  H01L25/0753

Abstract: Provided is a display device. The display device comprises: a first substrate; a first electrode and a second electrode arranged spaced apart from each other on the first substrate; a plurality of light-emitting diodes arranged on the first electrode and the second electrode; a plurality of contact electrodes arranged on the first electrode or the second electrode and being in contact with the light-emitting diodes, wherein the contact electrodes comprise a first contact electrode arranged on the first electrode, a second contact electrode arranged on the second electrode, a third contact electrode facing the first contact electrode in a second direction, and a fourth contact electrode facing the second contact electrode in the second direction, and include an electrode connection unit connected to the third contact electrode and the fourth contact electrode and arranged to surround the second contact electrode.

公开(公告)号：US20230187428A1

公开(公告)日：2023-06-15

申请号：US17960876

申请日：2022-10-06

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Woong Hee JEONG ,  Jung Eun HONG

IPC: H01L25/16 ,  H01L33/48 ,  H01L33/38

CPC classification number: H01L25/167 ,  H01L33/483 ,  H01L33/38 ,  H01L2933/0033 ,  H01L2933/0016

Abstract: A display device may include a plurality of pixels each including an emission area and a non-emission area. Each of the plurality of pixels may include a via layer on a substrate and including an organic layer, a first alignment electrode and a second alignment electrode on the via layer in the emission area and spaced apart from each other, a first insulating layer on the first and second alignment electrodes of the emission area and including a lyophilic organic material, a first bank pattern and a second bank pattern on the first insulating layer of the emission area and spaced apart from each other, a first bank in the non-emission area and including a liquid repellent organic material, and a light emitting element on the first insulating layer in the emission area.

公开(公告)号：US20230154937A1

公开(公告)日：2023-05-18

申请号：US17877524

申请日：2022-07-29

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Woong Hee JEONG ,  Jung Eun HONG

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

CPC classification number: H01L27/1248 ,  H01L25/167 ,  H01L27/1259 ,  H01L24/24 ,  H01L24/25 ,  H01L33/325

Abstract: A display device includes: a substrate having an emission area and a non-emission area; a first bank in the non-emission area of the substrate and having an opening; electrodes on the first bank and spaced apart from each other; a second bank on the electrodes; and light emitting elements on the second bank between the electrodes. The second bank has a first area overlapping the light emitting elements and a second area in the opening in the first bank.

公开(公告)号：US20230133550A1

公开(公告)日：2023-05-04

申请号：US17854584

申请日：2022-06-30

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Jung Eun HONG ,  Jin Taek KIM ,  Hyun KIM ,  Jeong Su PARK ,  Woong Hee JEONG

IPC: H01L27/32 ,  H01L51/56

Abstract: A method for fabricating a thin film transistor comprises disposing a semiconductor layer including a channel area, and a first and second electrode areas, disposing a gate insulating layer covering the semiconductor layer, disposing a diffusion barrier layer covering the gate insulating layer, disposing first and second electrode holes corresponding to the first and second electrode areas, and disposing a gate electrode overlapping the channel area, first and second electrodes electrically connected to the first and second electrode areas through the first and second electrode holes. The disposing of the first electrode hole, and the second electrode hole includes patterning the diffusion layer with a patterning mask disposed on the diffusion barrier layer. The disposing of the gate electrode and the first and second electrodes may include disposing a conductive material layer covering the diffusion barrier layer, and patterning the conductive material layer.

公开(公告)号：US20220271201A1

公开(公告)日：2022-08-25

申请号：US17592486

申请日：2022-02-03

Applicant: Samsung Display Co., LTD.

Inventor： Kwang Taek HONG ,  Ki Nyeng KANG ,  Jong Hyuk KANG ,  Jin Taek KIM ,  Tae Woo KIM ,  Do Yeong PARK ,  Hee Keun LEE ,  Hyun Deok IM ,  Su Min CHOI

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

Abstract: A display device includes subpixels arranged in a first direction and a second direction, where each of the subpixels includes an emission area and a sub area arranged in the first direction therein, electrodes extending in the first direction across the emission area and the sub area, where the electrodes includes a first electrode, a second electrode spaced apart from the first electrode in the second direction, a third electrode disposed between the first electrode and the second electrode, and a fourth electrode spaced apart from the third electrode in the second direction with the first electrode interposed therebetween, first light emitting elements disposed on the first electrode and the fourth electrode, and second light emitting elements disposed on the second electrode and the third electrode. A length of the third electrode in the first direction is smaller than a length of the first electrode in the first direction.

公开(公告)号：US20210376196A1

公开(公告)日：2021-12-02

申请号：US17327192

申请日：2021-05-21

Applicant: Samsung Display Co., LTD.

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

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

Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other in a second direction, light-emitting elements spaced apart from each other in the first direction, a first contact electrode electrically contacting the light-emitting elements, and a second contact electrode electrically contacting the light-emitting elements. The first contact electrode electrically contacts the first electrode through a first contact portion disposed on the first electrode, the second contact electrode electrically contacts the second electrode through a second contact portion disposed on the second electrode, the first contact portion is disposed on an end portion in the first direction of the first contact electrode, and the second contact portion is disposed on an end portion in the first direction of the second contact electrode.

公开(公告)号：US20210367183A1

公开(公告)日：2021-11-25

申请号：US17315847

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/52 ,  H01L51/56 ,  H01L27/32 ,  H01L33/50

Abstract: A display device and a manufacturing method thereof are provided. A display device includes: a substrate; a first electrode and a second electrode on the substrate, the first electrode and the second electrode being arranged on a same layer to be spaced apart from each other; a first insulating layer on the first electrode and the second electrode; and a light emitting element on the first insulating layer. The first insulating layer includes a groove concave toward the substrate, and the light emitting element is in the groove.

公开(公告)号：US20210313498A1

公开(公告)日：2021-10-07

申请号：US17079181

申请日：2020-10-23

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L33/62 ,  H01L25/075 ,  H01L29/786 ,  H01L27/12

Abstract: A display device includes a first substrate, a wire pad in a pad area, first banks in a display area, electrodes on the first banks, a pad electrode base layer on the wire pad, having a greater width than the wire pad, and covering sides of the wire pad, a first insulating layer covering parts of the electrodes and part of the pad electrode base layer, light-emitting elements on the first insulating layer in the display area, respective ends of the light-emitting elements being on different electrodes, contact electrodes on the electrodes and contacting first ends of the light-emitting elements, and a pad electrode upper layer on the first insulating layer in the pad area and directly contacting the pad electrode base layer, wherein the pad electrode base layer includes the same material as the electrodes, and the pad electrode upper layer includes the same material as the contact electrodes.

公开(公告)号：US20210151499A1

公开(公告)日：2021-05-20

申请号：US17097932

申请日：2020-11-13

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Ho PARK ,  Sung Hoon KIM ,  Jin Yeong KIM ,  Jin Taek KIM ,  Tae Hoon YANG ,  Sung Jin LEE

IPC: H01L27/15 ,  H01L33/62 ,  H01L33/38 ,  H01L33/40

Abstract: A display device includes a substrate having an emission area and a non-emission area, a first electrode and a second electrode spaced from each other on the substrate in the emission area, a first insulating layer on the substrate in the emission area and the non-emission area and covering at least a portion of the first electrode and the second electrode, a light-emitting element between the first electrode and the second electrode, a first contact electrode on the first electrode and in contact with one end portion of the light-emitting element, and a second contact electrode on the second electrode and in contact with the other end portion of the light-emitting element, a first active material layer on the first insulating layer in the non-emission area and electrically connected to the first contact electrode, and a gate insulating layer on the first active material layer.