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：US20220285426A1

公开(公告)日：2022-09-08

申请号：US17452550

申请日：2021-10-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Wook LEE ,  Veidhes BASRUR ,  Myung Seok KWON ,  Ji Hyun MIN ,  Sung Won JO ,  Jung Eun HONG

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

Abstract: A display device includes alignment electrodes spaced apart from each other, first and second light emitting elements between the alignment electrodes, a first pixel electrode electrically connected to first end portions of the first light emitting elements, a second pixel electrode electrically connected to second end portions of the first light emitting elements, a third pixel electrode electrically connected to the second pixel electrode and to first end portions of the second light emitting elements, a fourth pixel electrode electrically connected to second end portions of the second light emitting elements, and an insulating layer between the first pixel electrode and the second pixel electrode, wherein the insulating layer includes at least one opening exposing the second end portions of the first and second light emitting elements.

公开(公告)号：US20220077254A1

公开(公告)日：2022-03-10

申请号：US17411612

申请日：2021-08-25

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  Ki Nyeng KANG ,  Basrur VEIDHES ,  Sung Won JO ,  Jung Eun HONG

IPC: H01L27/32

Abstract: A display device includes an emission area and a sub-region spaced apart from the emission area in a first direction, electrodes extending in the first direction, disposed across the emission area and the sub-region, and spaced apart from each other in a second direction, a first bank surrounding the emission area and the sub-region, and light emitting elements disposed on the electrodes spaced apart in the second direction in the emission area. The first bank includes trench portions in which a top surface of the first bank is partially depressed. The trench portions are disposed between the emission area and the sub-region.

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：US20220149255A1

公开(公告)日：2022-05-12

申请号：US17357128

申请日：2021-06-24

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook LEE ,  No Kyung PARK ,  Ki Nyeng KANG ,  Sung Won JO

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/44 ,  H01L33/38 ,  G09G3/32

Abstract: A display device includes a base layer, a first pixel electrode disposed in a first direction on the base layer and to which a first driving voltage is applied, a second pixel electrode disposed in the first direction on the base layer and to which a second driving voltage is applied, a first light-emitting element and a second light-emitting element electrically connected to the first pixel electrode and the second pixel electrode, a connection electrode electrically connecting the first pixel electrode and the first light-emitting element, and electrically connecting the second light-emitting element and the second pixel electrode, and a bank overlapping at least a portion of the first pixel electrode and at least a portion of the second pixel electrode and surrounding a light-emitting area in which the first light-emitting element and the second light-emitting element are disposed. A portion of the connection electrode overlaps the bank.

公开(公告)号：US20220093679A1

公开(公告)日：2022-03-24

申请号：US17356346

申请日：2021-06-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Won JO ,  Hyun Wook LEE ,  Su Min CHOI

IPC: H01L27/15 ,  H01L33/12 ,  H01L33/38

Abstract: A display device includes a display area, a non-display area, and an open area between the display area and the non-display area. The display device includes a substrate; a transistor on the substrate, a back gate electrode, wherein at least a portion of the back gate electrode overlaps the transistor and at least another portion of the back gate electrode overlaps the open area, a passivation layer on the transistor, and including an opening that overlaps the open area, and a cover layer overlapping the back gate electrode in the open area.