公开(公告)号：US20220359790A1

公开(公告)日：2022-11-10

申请号：US17676045

申请日：2022-02-18

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Basrur VEIDHES ,  Jong Chan LEE ,  Sung Won JO ,  Jung Eun HONG

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

Abstract: A display device includes a conductive layer including a voltage line and a conductive pattern on the substrate, a via layer on the conductive layer and including a plurality of contact holes exposing a portion of the conductive layer, a first electrode and a second electrode spaced from each other on the via layer, a first insulating layer on the first electrode and the second electrode and including a plurality of openings exposing the contact holes, light emitting elements on the first electrode and the second electrode on the first insulating layer, and a first connection electrode on the first electrode and in contact with the light emitting element, and a second connection electrode on the second electrode and in contact with the light emitting element, wherein the first connection electrode is in direct contact with the conductive pattern through a first opening exposing a first contact hole.

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：US20210384178A1

公开(公告)日：2021-12-09

申请号：US17203496

申请日：2021-03-16

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Chan LEE ,  Sang Jun PARK ,  Jeong Hyun LEE ,  Woong Hee JEONG ,  Kwang Taek HONG

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

Abstract: A display device and a method of fabricating a display device are provided. The display device includes a substrate comprising a contact area and a line area, a first electrode that extends in a first direction on the substrate, a first electrode pattern that extends in the first direction and is spaced apart from the first electrode on the substrate, a second electrode that extends in the first direction and is between the first electrode and the first electrode pattern on the substrate, a second electrode pattern that extends in the first direction and is between the first electrode and the second electrode on the substrate, and a first light-emitting element between the first electrode and the second electrode pattern in the contact area.

公开(公告)号：US20210012708A1

公开(公告)日：2021-01-14

申请号：US16876910

申请日：2020-05-18

Applicant: Samsung Display Co., LTD. ,  Konkuk University Industrial Cooperation Corp

Inventor： Tae Hoon YANG ,  Joon Ho LEE ,  Kee Chan PARK ,  Ki Bum KIM ,  Jong Chan LEE ,  Woong Hee JEONG

IPC: G09G3/3225

Abstract: An emission signal driver comprises stages connected to emission lines. Each of the stages includes a node controller which supplies a start signal or a carry signal, which is input to a start terminal, to a first node in response to a clock signal input to a clock terminal, a first inverter connected between the first node and a second node, and a second inverter connected between the second node and an output terminal.

公开(公告)号：US20190096925A1

公开(公告)日：2019-03-28

申请号：US16036985

申请日：2018-07-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Chan LEE ,  Woong Hee JEONG ,  Tae Hoon YANG ,  Yong Su LEE

IPC: H01L27/12

Abstract: A display device includes a substrate, a buffer layer on the substrate, a first semiconductor layer of a first transistor on the buffer layer, a first insulating layer disposed on the first semiconductor layer, a first gate electrode of the first transistor on the first insulating layer, a second insulating layer on the first gate electrode, and a second semiconductor layer of a second transistor disposed on the second insulating layer. A difference between a first distance between a lower side of the buffer layer and an upper side of the second insulating layer and a second distance between an upper side of the first semiconductor layer and an upper side of the second insulating layer is 420 to 520 angstroms.

公开(公告)号：US20180114866A1

公开(公告)日：2018-04-26

申请号：US15729120

申请日：2017-10-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Chan LEE ,  Kyoung Won LEE ,  Woong Hee JEONG ,  Yong Su LEE

IPC: H01L29/786 ,  H01L29/66 ,  H01L21/266 ,  H01L21/265 ,  H01L21/225 ,  H01L29/423

Abstract: A display device includes: a flexible substrate; a semiconductor layer on the flexible substrate; a passivation layer on the semiconductor layer; an alignment member layer on the passivation, the alignment member layer including a first alignment member and a second alignment member in a same layer; a first insulation layer on the alignment member layer and the passivation layer; a gate electrode on the first insulation layer; a second insulation layer on the first insulation layer and the gate electrode; and a source electrode and a drain electrode on the second insulation layer and spaced apart from each other, wherein the first alignment member and the second alignment member are spaced apart from each other with the gate electrode therebetween.

公开(公告)号：US20240038956A1

公开(公告)日：2024-02-01

申请号：US18359758

申请日：2023-07-26

Applicant: Samsung Display Co., LTD.

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

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

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

Abstract: A pixel includes: a first conductive pattern, a second conductive pattern, and a third conductive pattern on a substrate and spaced apart from each other; a passivation layer on and exposing each of the first, second, and third conductive patterns; a via layer on the passivation layer and having first, second, and third via holes respectively exposing one area of the first conductive pattern, one area of the second conductive pattern, and one area of the third conductive pattern; first and second alignment electrodes on the via layer and electrically connected to the second conductive pattern and the first conductive pattern, respectively; and a light emitting element on the first and second alignment electrodes. The via layer has a first area and a second area that is thinner than the first area, and the second area is directly adjacent to at least one of the via holes.

公开(公告)号：US20230387143A1

公开(公告)日：2023-11-30

申请号：US18172218

申请日：2023-02-21

Applicant: Samsung Display Co., LTD.

Inventor： Jong Chan LEE ,  Won Tae KIM ,  Jin Taek KIM ,  Jeong Su PARK ,  Woong Hee JEONG

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

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

Abstract: A display device includes: a substrate; a via layer on the substrate; a first electrode and a second electrode on the via layer and spaced apart from each other; a first insulating layer on the first electrode and the second electrode; a bank layer on the first insulating layer and having barrier portions and a bank portion having a greater thickness than the barrier portions; a second insulating layer on the bank layer and the first insulating layer, the second insulating layer overlapping the barrier portions and not overlapping the bank portion; light emitting elements on the second insulating layer and on the first electrode and the second electrode; and a first connection electrode contacting an end of each light emitting element and a second connection electrode contacting another end of the light emitting elements.

公开(公告)号：US20230282684A1

公开(公告)日：2023-09-07

申请号：US18161596

申请日：2023-01-30

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  H01L29/417 ,  H01L29/786 ,  H01L29/66

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/44 ,  H01L29/41733 ,  H01L29/78633 ,  H01L29/7869 ,  H01L29/66969

Abstract: Provided herein may be a display device and a transistor. The display device may comprise a semiconductor pattern on a substrate and defining a hole, an insulating layer on the semiconductor pattern, and defining an opening area overlapping the hole, a gate electrode, a source electrode contacting a conductive area of the semiconductor pattern through the opening area, and a drain electrode on the insulating layer, electrodes respectively on the gate electrode, the source electrode, and the drain electrode, and spaced apart from each other, and light emitting elements between the electrodes, respectively.

公开(公告)号：US20230163247A1

公开(公告)日：2023-05-25

申请号：US17879566

申请日：2022-08-02

Applicant: Samsung Display Co., LTD.

Inventor： Hyun KIM ,  Jeong Nyun KIM ,  Jeong Su PARK ,  Zu Seok OH ,  Jong Chan LEE

IPC: H01L33/46 ,  H01L27/15 ,  H01L33/24 ,  H01L33/38

CPC classification number: H01L33/46 ,  H01L27/156 ,  H01L33/24 ,  H01L33/38

Abstract: A display device includes a first electrode on a substrate and a second electrode spaced from the first electrode, a first insulating layer on the first electrode and the second electrode, a plurality of light emitting elements on the first insulating layer and on the first electrode and the second electrode, a first connection electrode on the first electrode and contacting a first end of each of the plurality of light emitting elements, and a second connection electrode on the second electrode and contacting a second end of each of the plurality of light emitting elements, wherein each of the plurality of light emitting elements includes a first semiconductor layer doped with an n-type dopant, a second semiconductor layer doped with a p-type dopant, a light emitting layer between the first semiconductor layer and the second semiconductor layer, and an insulating film surrounding at least the light emitting layer.