公开(公告)号：US20230420615A1

公开(公告)日：2023-12-28

申请号：US18112086

申请日：2023-02-21

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK

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

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L25/0753

Abstract: A display device includes an external bank defining an emission area, a first and second light emitting elements spaced apart from each other in the emission area, each including a first end and a second end, a first connection electrode electrically contacting the first end of the first light emitting element, a second connection electrode spaced apart from the first connection electrode and electrically contacting the first end of the second light emitting element, a first insulating layer on the first and second connection electrodes exposing the second ends of the first and the second light emitting elements, a third connection electrode electrically contacting the second end of the first light emitting element, and a fourth connection electrode electrically contacting the second end of the second light emitting element, and electrically connected to the first connection electrode through a contact hole penetrating the first insulating layer.

公开(公告)号：US20230395614A1

公开(公告)日：2023-12-07

申请号：US18096705

申请日：2023-01-13

Applicant: Samsung Display Co., LTD.

Inventor： Jin Seon KWAK ,  Kyung Bae KIM ,  Do Yeong PARK ,  Yong Hee LEE ,  Ji Hye LEE

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

CPC classification number: H01L27/1248 ,  H01L25/167 ,  H01L2933/0066 ,  H01L27/1259 ,  H01L33/62

Abstract: A display device includes electrodes on a base layer; a first insulating layer on the electrodes; a bank on the first insulating layer, protruding in a thickness direction of the base layer, and surrounding a region; light emitting elements in the region on the base layer; and connection electrodes electrically connected to the light emitting elements. The connection electrodes include an anode connection electrode electrically connected to the light emitting elements, a cathode connection electrode electrically connected to the light emitting elements, and an extension connection electrode on the bank. The first insulating layer forms at least one first opening. The at least one first opening overlaps the extension connection electrode in a plan view.

公开(公告)号：US20230317908A1

公开(公告)日：2023-10-05

申请号：US18182233

申请日：2023-03-10

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Kyung Bae KIM ,  Chong Chul CHAI ,  Sung Chul HONG

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

CPC classification number: H01L33/62 ,  H01L33/382 ,  H01L27/156

Abstract: A display device includes a substrate; a conductive layer on the substrate and including a first voltage line, a second voltage line, and a contact conductive pattern spaced from each other; a passivation layer on the conductive layer; a via layer on the passivation layer; an alignment line on the via layer and including a first alignment line and a second alignment line spaced from each other; a light emitting element between the first alignment line and the second alignment line on the alignment line; and a first contact electrode and a second contact electrode on the light emitting element and spaced from each other, wherein: the first alignment line is electrically connected to the second voltage line through a first alignment contact hole, the second alignment line is electrically connected to the first voltage line through a second alignment contact hole.

公开(公告)号：US20230091726A1

公开(公告)日：2023-03-23

申请号：US17945373

申请日：2022-09-15

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  In Woo KIM ,  Chong Chul CHAI ,  Chang Woo KWON ,  Kyung Bae KIM ,  Dae Cheol KIM ,  Jong Hwan PARK ,  Yong Tae CHO ,  Kook Hyun CHOI

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

Abstract: A display device includes a substrate including a display area and a non-display area; pixels disposed in the display area and including respective light emitting units; a first conductive pattern disposed between the pixels; and a power source line disposed in the non-display area and electrically connected to the first conductive pattern. Each of the light emitting units includes a light emitting element, a first pixel electrode disposed on a first end of the light emitting element, and a second pixel electrode disposed on a second end of the light emitting element. The first conductive pattern and the second pixel electrode are disposed on a same 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：US20220262877A1

公开(公告)日：2022-08-18

申请号：US17500462

申请日：2021-10-13

Applicant: Samsung Display Co., LTD.

Inventor： No Kyung PARK ,  Hyun KIM ,  Do Yeong PARK ,  Jeong Su PARK ,  Myeong Hun SONG ,  Jeong Kook WANG ,  Jong Chan LEE

IPC: H01L27/32

Abstract: A display device includes a first electrode and a second electrode extending in a first direction and spaced apart from each other in a second direction, a first insulating layer disposed on the first electrode and the second electrode, a bank layer disposed on the first insulating layer and comprising an outer bank part extending in the first direction and the second direction and inner bank parts extending in the first direction in an area surrounded by the outer bank part, a second insulating layer disposed on the inner bank parts and the first insulating layer, and light emitting elements disposed on the second insulating layer between the inner bank parts, wherein each of the inner bank parts is connected to a part of the outer bank part extending in the second direction.

公开(公告)号：US20220216264A1

公开(公告)日：2022-07-07

申请号：US17567769

申请日：2022-01-03

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Kyung Bae KIM ,  Sung Chul HONG

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/50 ,  H01L33/58

Abstract: A display device includes an emission area and a sub-area spaced from the emission area in a first direction, a plurality of electrodes in the emission area and extending in the first direction, the plurality of electrodes being spaced from each other along a second direction crossing the first direction, a first insulating layer on the plurality of electrodes, and a plurality of light emitting elements on the first insulating layer, both ends of the plurality of light emitting elements being on the plurality of electrodes that are spaced from each other along the second direction, wherein the plurality of electrodes include a first electrode including a first portion and a second portion, the second portion of the first electrode having a width measured in the second direction that is smaller than a width of the first portion measured in the second direction.

公开(公告)号：US20220199677A1

公开(公告)日：2022-06-23

申请号：US17407390

申请日：2021-08-20

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Chong Chul CHAI ,  Kyung Bae KIM

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  H01L33/38

Abstract: A display device includes a substrate including a display area and a non-display area; pixels disposed in the display area; first scan lines that transmit signals to the pixels, extend in a first direction, and are disposed in a second direction different from the first direction; second scan lines that extend in the second direction and are disposed in the first direction; and a pad part electrically connected to the second scan lines and disposed in the non-display area. Each of the first scan lines is electrically connected to at least one of the second scan lines through a corresponding one of contactors. Each of the pixels is a first pixel, a second pixel, or a third pixel based on whether or not including a contactor.

公开(公告)号：US20220059628A1

公开(公告)日：2022-02-24

申请号：US17395004

申请日：2021-08-05

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Kyung Bae KIM ,  Mee Hye JUNG ,  Chong Chul CHAI

IPC: H01L27/32

Abstract: A display device includes subpixels each comprising an emission area, electrodes which are disposed in the emission area, extend in a first direction, and are spaced apart in a second direction intersecting the first direction, a first insulating layer disposed on the electrodes, a first bank, and light emitting elements. The first bank includes a first bank part disposed on the first insulating layer and surrounding the emission area, and a second bank part connected to the first bank part and disposed in the emission area. The light emitting elements are disposed on the electrodes spaced apart in the second direction. A height of the second bank part of the first bank is lower than a height of the first bank part of the first bank.

公开(公告)号：US20200225544A1

公开(公告)日：2020-07-16

申请号：US16831702

申请日：2020-03-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Bo SIM ,  Yeun Tae KIM ,  Do Yeong PARK ,  Se Hyun LEE

IPC: G02F1/1362 ,  G02F1/1339 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1368

Abstract: A liquid crystal display device includes a first substrate; a switching element including a control electrode disposed on the first substrate, one electrode disposed on the control electrode, and another electrode disposed on the control electrode and spaced apart from the one electrode; a contact hole extending to at least a part of the another electrode of the switching element; a pixel electrode including a contact portion disposed on the another electrode of the switching element and overlapping at least a part of the another electrode to which the contact hole extends, and a body portion electrically connected with the contact portion; and a column spacer disposed on the pixel electrode and at least partially overlapping the contact hole.