公开(公告)号：US20220223664A1

公开(公告)日：2022-07-14

申请号：US17463975

申请日：2021-09-01

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek KIM ,  Ki Nyeng KANG ,  Ock Soo SON ,  Hee Keun LEE ,  Su Min CHOI ,  Kwang Taek HONG

IPC: H01L27/32

Abstract: A display device includes a substrate including a display area and a non-display area adjacent to the display area, a passivation layer disposed on the substrate, a via layer disposed on the passivation layer, sub-pixels including electrodes disposed on the via layer and light emitting elements disposed on the electrodes in the display area, a first bank disposed on the via layer and surrounding the sub-pixels in the display area, a second bank disposed on the via layer and spaced apart from the first bank in the non-display area, a third bank disposed on the via layer and spaced apart from the second bank in the non-display area, and a first valley disposed between the first bank and the second bank in the non-display area and penetrating the via layer and the passivation layer.

公开(公告)号：US20230246135A1

公开(公告)日：2023-08-03

申请号：US17944285

申请日：2022-09-14

Applicant: Samsung Display Co., LTD.

Inventor： Sung Geun BAE ,  Da Sol JEONG ,  Su Min CHOI

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L33/00

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L27/156 ,  H01L33/005 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device comprises a first conductive layer on a substrate including gate electrodes and 1-1th and 2-1th connecting conductive patterns; a second conductive layer on the first conductive layer including source electrodes and drain electrodes and 1-2th and 2-2th connecting conductive patterns; bank patterns on the second conductive layer, extending in first and second directions intersecting each other, and surrounding subpixels; a first electrode on a first bank pattern disposed in each of the subpixels to extend in the first direction; second electrodes on second bank patterns spaced apart from each other with the first electrode being disposed between the second electrodes and extending in the first direction; light-emitting elements disposed on the first electrode and the second electrodes; a first connecting electrode disposed on the first electrode and contacting first light-emitting elements; and a second connecting electrode disposed on the second electrodes and contacting the second light-emitting elements.

公开(公告)号：US20250048904A1

公开(公告)日：2025-02-06

申请号：US18611654

申请日：2024-03-20

Applicant: Samsung Display Co., LTD.

Inventor： Hoon KIM ,  Eon Young KIM ,  So Hyun SHIN ,  Su Min CHOI

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/38 ,  H10K59/40

Abstract: A display device includes a light emitting element layer disposed on a substrate, where a plurality of emission areas is defined on the light emitting element layer, an encapsulation layer disposed on the light emitting element layer, a touch sensing layer disposed on the encapsulation layer, where the touch sensing layer includes a plurality of touch electrodes, a reflection reduction layer disposed on the touch sensing layer, and a window disposed on the reflection reduction layer. The reflection reduction layer includes a color filter layer disposed on the touch sensing layer, a bank layer disposed on the touch sensing layer between the color filter layers, a light blocking layer disposed on the bank layer, and a low refractive layer disposed on the color filter layer, and disposed adjacent to the light blocking layer.

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.

公开(公告)号：US20220320378A1

公开(公告)日：2022-10-06

申请号：US17535028

申请日：2021-11-24

Applicant: Samsung Display Co., LTD.

Inventor： Kwang Taek HONG ,  Ki Nyeng KANG ,  Jong Hwan CHA ,  Hee Keun LEE ,  Min Cheol CHAE ,  Su Min CHOI

IPC: H01L33/38 ,  H01L27/15

Abstract: A display device includes an emission area and a subarea located at a side of the emission area in a first direction, a first electrode extending in the first direction across the emission area and the subarea, a second electrode spaced from the first electrode in a second direction, the second electrode extending in the first direction, a first insulating layer on the first and second electrodes, the first insulating layer including an opening in the subarea, a plurality of light-emitting elements located on the first and second electrodes in the emission area, and a second insulating layer on the first insulating layer in the subarea, wherein the first electrode includes a first electrode extension located in the subarea at a first contact hole, the opening overlaps with the first contact hole and is located above the first electrode extension, and the second insulating layer overlaps the opening.

公开(公告)号：US20220302178A1

公开(公告)日：2022-09-22

申请号：US17694007

申请日：2022-03-14

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hwan CHA ,  Ki Nyeng KANG ,  Jun Ho BAE ,  Hee Jung YOON ,  Su Min CHOI

IPC: H01L27/12 ,  H01L25/16

Abstract: A display device comprises a substrate including a display area and a pad area adjacent to the display area; at least one pad electrode disposed on the substrate in the pad area and connected to the display area; and at least one dummy electrode overlapping the at least one pad electrode and not connected to the display area.

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：US20230299239A1

公开(公告)日：2023-09-21

申请号：US18095098

申请日：2023-01-10

Applicant: Samsung Display Co., LTD.

Inventor： Sung Geun BAE ,  Jang Soon PARK ,  Hyun Wook LEE ,  Da Sol JEONG ,  Su Min CHOI ,  Won Hyeong HEO

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/00 ,  H01L25/075

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L33/005 ,  H01L25/0753 ,  H01L2933/0016

Abstract: A display device and method for fabrication thereof are provided. The display device includes a first electrode and a second electrode spaced apart from the first electrode in a second direction, light emitting elements disposed on the first electrode and the second electrode, a first insulating layer disposed on the light emitting elements, a first connection electrode disposed on the first electrode and electrically contacting each of the light emitting elements, and a second connection electrode disposed on the second electrode and electrically contacting each of the light emitting elements, and the first insulating layer includes a first portion and a second portion having a thickness larger than a thickness of the first portion of the first insulating layer.

公开(公告)号：US20220293671A1

公开(公告)日：2022-09-15

申请号：US17557863

申请日：2021-12-21

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek KIM ,  Ki Nyeng KANG ,  Jun Ho BAE ,  Jong Hwan CHA ,  Min Cheol CHAE ,  Su Min CHOI

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

Abstract: A display device includes conductive layers on a substrate, a via layer on the conductive layers, a first electrode and a second electrode extending in one direction on the via layer and spaced from each other, a first insulating layer on the first electrode and the second electrode, a plurality of light emitting elements on the first insulating layer, each of the light emitting elements having one end on the first electrode and an other end on the second electrode, and a first connection electrode and a second connection electrode on the first insulating layer, the first connection electrode overlapping the first electrode, and the second connection electrode overlapping the second electrode, wherein the first connection electrode and the second connection electrode are in contact with the conductive layers through contact portions.