公开(公告)号：US20220293668A1

公开(公告)日：2022-09-15

申请号：US17449924

申请日：2021-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Kwang Taek HONG ,  Hong Joon MOON

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/38 ,  H01L33/40 ,  H01L33/44

Abstract: A display device including a substrate, a bank pattern extending in a first direction on the substrate, a first electrode on the bank pattern, a second electrode on the substrate, a first insulating layer on the first electrode and the second electrode, a light emitting element on the first insulating layer, and including a first end on the first electrode, and a second end on the second electrode, a first connection electrode contacting the first end of the light emitting element, and a second connection electrode contacting the second end of the light emitting element, wherein the bank pattern overlaps the first electrode and does not overlap the second electrode.

公开(公告)号：US20230187427A1

公开(公告)日：2023-06-15

申请号：US17959428

申请日：2022-10-04

Applicant: Samsung Display Co., LTD.

Inventor： In Pyo KIM ,  Ki Nyeng KANG ,  Jae Hee KIM ,  Hong Joon MOON ,  Jeong Kook WANG ,  Jong Hwan CHA

IPC: H01L25/16 ,  G09G3/3233 ,  H01L33/00

CPC classification number: H01L25/167 ,  G09G3/3233 ,  H01L33/005 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2300/0426

Abstract: A display device includes electrodes spaced apart from each other, light emitting elements disposed between the electrodes, and connection electrodes electrically connected to the light emitting elements. The connection electrodes include first areas in electrical contact with the light emitting elements and second areas extending upwardly from the light emitting elements. A space is formed between the light emitting elements and the second areas of the connection electrodes.

公开(公告)号：US20230155064A1

公开(公告)日：2023-05-18

申请号：US17896462

申请日：2022-08-26

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Kook WANG ,  Ki Nyeng KANG ,  In Pyo KIM ,  Jae Hee KIM ,  Hong Joon MOON ,  Jong Hwan CHA

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/42 ,  H01L27/15

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/42 ,  H01L33/62

Abstract: A display device includes light-emitting elements disposed on first and second electrodes, and having first end portions disposed on the first electrode, and second end portions disposed on the second electrode, a first connecting electrode extending in a first direction and disposed on the first electrode, the first connecting electrode being in contact with the first end portions of the light-emitting elements, a second connecting electrode extending in the first direction and disposed on the second electrode, the second connecting electrode being in contact with the second end portions of the light-emitting elements, and a connecting electrode pattern disposed on the first electrode, the connecting electrode pattern overlapping the first connecting electrode. The second connecting electrode and the connecting electrode pattern include a same material, and a thickness of the first connecting electrode is less than a thickness of the second connecting electrode and the connecting electrode pattern.

公开(公告)号：US20230142777A1

公开(公告)日：2023-05-11

申请号：US17963857

申请日：2022-10-11

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hwan CHA ,  Ki Nyeng KANG ,  Hong Joon MOON ,  Kwang Taek HONG

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  H01L33/00

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/44 ,  H01L33/005

Abstract: A display device includes an emission area, a first sub-region on one side of the emission area in a first direction, and a second sub-region on an other side of the emission area in the first direction, a bank layer surrounding the emission area, the first sub-region, and the second sub-region, a first voltage line extending in a second direction crossing the first direction in the first sub-region, and a second voltage line extending in the second direction in the second sub-region, a first electrode extending in the first direction and disposed across the first sub-region, the emission area, and the second sub-region, a second electrode extending in the first direction and including a portion spaced from the first electrode in the second direction in the emission area, and a plurality of light emitting elements on the first electrode and the second electrode in the emission area.

公开(公告)号：US20230343913A1

公开(公告)日：2023-10-26

申请号：US18093588

申请日：2023-01-05

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hwan CHA ,  Kwang Taek HONG ,  Ki Nyeng KANG ,  Hong Joon MOON

IPC: H01L33/62 ,  G09G3/32 ,  H01L33/38

CPC classification number: H01L33/62 ,  G09G3/32 ,  H01L33/382 ,  G09G2310/0278

Abstract: A display device includes a first pixel, a second pixel, and a third pixel, each disposed on a substrate and including a pixel circuit, a first metal line disposed at a first metal layer on the substrate, extending in a first direction on a first side of the pixel circuits of the first to third pixels, and electrically connected to at least one of the pixel circuits of the first to third pixels, a second metal line disposed at a second metal layer on the first metal layer, extending in the first direction on a first side of the first metal line, and electrically connected to at least one of the pixel circuits of the first to third pixels, and a third metal line disposed at the first metal layer, extending in the first direction on a first side of the second metal line, and electrically connected to at least one of the pixel circuits of the first to third pixels. Each of the first to third metal lines supplies a voltage to at least one of the pixel circuits of the first to third pixels.

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：US20230032600A1

公开(公告)日：2023-02-02

申请号：US17836609

申请日：2022-06-09

Applicant: Samsung Display Co., LTD.

Inventor： Kwang Taek HONG ,  Hong Joon MOON ,  Jong Hwan CHA

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

Abstract: A display device comprises an initialization voltage line on a substrate, a first interlayer insulating layer disposed on the initialization voltage line, a low potential voltage line disposed on the first interlayer insulating layer, and having a stepped portion and overlapping the initialization voltage line, an auxiliary pattern disposed on the low potential voltage line and forming a flat portion with the stepped portion of the low potential voltage line, a second interlayer insulating layer disposed on the auxiliary pattern, a planarization layer disposed on the second interlayer insulating layer, a first electrode and a second electrode disposed on the planarization layer and spaced apart from each other, a light emitting element having ends aligned on the first electrode and the second electrode, a first contact electrode electrically contacting an end of the light emitting element, and a second contact electrode electrically contacting another end of the light emitting element.