公开(公告)号：US20250063921A1

公开(公告)日：2025-02-20

申请号：US18670492

申请日：2024-05-21

Applicant: Samsung Display Co., LTD.

Inventor： Ki Nyeng KANG ,  Guanghai JIN ,  Sun Kwang KIM

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/65

Abstract: A display device includes: a substrate including a display area and a middle area; a light-emitting element on the display area, and including: a pixel electrode; an emissive layer; and a common electrode; an edge structure on the middle area, and including a lower metal stack and an upper metal stack; and a first inorganic encapsulation film on the light-emitting element and the edge structure. The lower metal stack includes a first sub-metal layer, a second sub-metal layer, and a third sub-metal layer. The upper metal stack includes a fourth sub-metal layer and a fifth sub-metal layer. A width of the first sub-metal layer is greater than a width of the third sub-metal layer, the width of the third sub-metal layer is greater than a width of the second sub-metal layer, and a width of the fifth sub-metal layer is greater than a width of the fourth sub-metal layer.

公开(公告)号：US20240120346A1

公开(公告)日：2024-04-11

申请号：US18456410

申请日：2023-08-25

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hwan PARK ,  Ki Nyeng KANG ,  Jong Hwan CHA

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L27/124 ,  H01L25/167

Abstract: A display device includes a display area, a non-display area, a pixel circuit including a thin film transistor, a gate driver in the non-display area for supplying a gate signal to the pixel circuit, a via layer above the pixel circuit and the gate driver, first and second electrodes above the via layer in the display area, and extending substantially in parallel with each other, a light-emitting element between the first electrode and the second electrode, a first contact electrode connected to one end of the light-emitting element, and a protective metal layer overlapping the gate driver, and including a first layer at a same layer as the first electrode and the second electrode, the first layer defining first holes, and a second layer at a same layer as the first contact electrode, at least partially filling the first holes, and contacting an upper surface of the via layer.

公开(公告)号：US20240113085A1

公开(公告)日：2024-04-04

申请号：US18475956

申请日：2023-09-27

Applicant: Samsung Display Co., LTD.

Inventor： Jin Taek KIM ,  Ock Soo SON ,  Veidhes BASRUR ,  Ki Nyeng KANG ,  Yong Tae CHO

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

CPC classification number: H01L25/0753 ,  H01L25/167 ,  H01L33/62 ,  H01L33/58

Abstract: A display device includes electrodes in an emission area of a pixel, and spaced apart from each other, light-emitting elements respectively between the electrodes, connection electrodes above the light-emitting elements, and including a first electrode portion, a second electrode portion, and a connection portion between the first electrode portion and the second electrode portion, and a shielding electrode in a non-emission area of the pixel, and overlapping the connection portion.

公开(公告)号：US20240038937A1

公开(公告)日：2024-02-01

申请号：US18339910

申请日：2023-06-22

Applicant: Samsung Display Co., LTD.

Inventor： Veidhes BASRUR ,  Ki Nyeng KANG ,  Ock Soo SON ,  Jong Hwan CHA

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

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L25/0753 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device including a substrate, a first electrode and a second electrode on the substrate, extending parallel to each other along a first direction, and spaced from each other in a second direction intersecting the first direction, a plurality of light emitting elements on the first electrode and the second electrode, a first insulating layer partially covering upper surfaces of the light emitting elements, a first connection electrode on the plurality of light emitting elements and the first insulating layer, the first connection electrode being in contact with an end of each of the plurality of light emitting elements, a second insulating layer on the first connection electrode, a second connection electrode on the second insulating layer, the second connection electrode being in contact with an other end of each of the plurality of light emitting elements, and a first dummy electrode overlapping the first connection electrode.

公开(公告)号：US20230260981A1

公开(公告)日：2023-08-17

申请号：US17943297

申请日：2022-09-13

Applicant: Samsung Display Co., LTD.

Inventor： Veidhes BASRUR ,  Ki Nyeng KANG ,  Ock Soo SON ,  Jong Hwan CHA

IPC: H01L25/16 ,  H01L33/38

CPC classification number: H01L25/167 ,  H01L33/38

Abstract: A display device includes first group electrodes and the second group electrodes spaced apart from second group electrodes in a first direction, respectively, light emitting elements disposed on the first group electrodes and the second group electrodes, a first connection electrode and a second connection electrode disposed on the first group electrodes and extending in the first direction, a third connection electrode and a fourth connection electrode disposed on the first group electrodes and the second group electrodes and extending in the first direction, and a fifth connection electrode disposed on at least two electrodes of the second group electrodes and spaced apart from the first connection electrode and the second connection electrode in the first direction. Each of the first connection electrode, the second connection electrode, and the fifth connection electrode is disposed between the third connection electrode and the fourth connection electrode in a second direction.

公开(公告)号：US20230246133A1

公开(公告)日：2023-08-03

申请号：US17996906

申请日：2020-06-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jong Hwan CHA ,  Ki Nyeng KANG

IPC: H01L33/38 ,  H01L25/16 ,  H01L33/62

CPC classification number: H01L33/38 ,  H01L25/167 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device and a method of repairing the same, where the display device includes a substrate, a first electrode, a second electrode, and a third electrode on the substrate and sequentially arranged along a first direction, at least one first light emitting element between the first electrode and the second electrode, at least one second light emitting element between the second electrode and the third electrode, a first contact electrode that is in contact with the first electrode and one end of the first light emitting element, a second contact electrode having one side that is in contact with another end of the first light emitting element and another side that is in contact with the third electrode and one end of the second light emitting element, a third contact electrode that is in contact with the second electrode and another end of the second light emitting element.

公开(公告)号：US20230189598A1

公开(公告)日：2023-06-15

申请号：US17966653

申请日：2022-10-14

Applicant: Samsung Display Co., LTD.

Inventor： Ki Nyeng KANG ,  Guang Hai JIN

IPC: H01L27/32

CPC classification number: H01L27/3279

Abstract: A display device according to one or more embodiments includes a substrate, common voltage lines on the substrate, and extending in a second direction, connection electrodes on the common voltage lines, an emission layer on the connection electrodes, a common electrode on the emission layer, and a voltage applying portion configured to apply a common voltage to the common electrode, wherein the emission layer defines openings for connection through which the common electrode is electrically connected with respective ones of the connection electrodes, and wherein distances between respective adjacent ones of the openings for connection increase as a distance from the voltage applying portion increases along the second direction.

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：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：US20210367024A1

公开(公告)日：2021-11-25

申请号：US17236995

申请日：2021-04-21

Applicant: Samsung Display Co., Ltd.

Inventor： Ki Bum KIM ,  Kyung Tae CHAE ,  Ki Nyeng KANG ,  Jin Taek KIM ,  Hyun Wook LEE

IPC: H01L27/32

Abstract: A display device including: a substrate; a conductive layer on the substrate and including a first voltage line and a second voltage line extending in a first direction; a first electrode and a second electrode on the conductive layer, extending in the first direction, and spaced apart from each other; a plurality of light-emitting elements on the first electrode and the second electrode; and an electrode pattern on the conductive layer and separated from the first electrode. The electrode pattern overlaps the first voltage line in a thickness direction and directly contacts the first voltage line.