公开(公告)号：US12191423B2

公开(公告)日：2025-01-07

申请号：US18452520

申请日：2023-08-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Min Lee ,  Jin Taek Kim ,  Baek Hyeon Lim ,  Jin Yeong Kim ,  Kyung Tae Chae ,  Jung Hwan Yi ,  Hee Keun Lee

IPC: H01L33/38 ,  H01L25/075 ,  H01L25/16 ,  H01L33/00 ,  H01L33/54 ,  H01L33/62 ,  H10K59/121 ,  H10K59/122 ,  H10K59/123

Abstract: A display device includes: a substrate having a display area and a non-display area; and a pixel in each of a pixel area in the display area. Each of the pixels includes: an insulating layer on the substrate and having an opening; first and second electrodes on the insulating layer and spaced apart from each other; a plurality of light emitting elements in the opening; a first contact electrode electrically connecting one end of the light emitting elements and the first electrode to each other; a second contact electrode electrically connecting another end of the light emitting elements and the second electrode to each other; a first insulating pattern on the first contact electrode; and a second insulating pattern on the second contact electrode. The first insulating pattern and the second insulating pattern are on the same layer and spaced apart from each other.

公开(公告)号：US11362250B2

公开(公告)日：2022-06-14

申请号：US17079181

申请日：2020-10-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Taek Kim ,  Seung Min Lee ,  Jung Hwan Yi ,  Hee Keun Lee ,  Bek Hyun Lim ,  Kyung Tae Chae

IPC: H01L33/62 ,  H01L25/075 ,  H01L27/12 ,  H01L29/786 ,  G09G3/32

Abstract: A display device includes a first substrate, a wire pad in a pad area, first banks in a display area, electrodes on the first banks, a pad electrode base layer on the wire pad, having a greater width than the wire pad, and covering sides of the wire pad, a first insulating layer covering parts of the electrodes and part of the pad electrode base layer, light-emitting elements on the first insulating layer in the display area, respective ends of the light-emitting elements being on different electrodes, contact electrodes on the electrodes and contacting first ends of the light-emitting elements, and a pad electrode upper layer on the first insulating layer in the pad area and directly contacting the pad electrode base layer, wherein the pad electrode base layer includes the same material as the electrodes, and the pad electrode upper layer includes the same material as the contact electrodes.

公开(公告)号：US12183855B2

公开(公告)日：2024-12-31

申请号：US18440459

申请日：2024-02-13

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook Lee ,  Ki Bum Kim ,  Jin Taek Kim ,  Jung Eun Hong

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

Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other in a second direction, light-emitting elements spaced apart from each other in the first direction, a first contact electrode electrically contacting the light-emitting elements, and a second contact electrode electrically contacting the light-emitting elements. The first contact electrode electrically contacts the first electrode through a first contact portion disposed on the first electrode, the second contact electrode electrically contacts the second electrode through a second contact portion disposed on the second electrode, the first contact portion is disposed on an end portion in the first direction of the first contact electrode, and the second contact portion is disposed on an end portion in the first direction of the second contact electrode.

公开(公告)号：US12161027B2

公开(公告)日：2024-12-03

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: H10K59/131 ,  H10K59/123

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.

公开(公告)号：US11916171B2

公开(公告)日：2024-02-27

申请号：US17327192

申请日：2021-05-21

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook Lee ,  Ki Bum Kim ,  Jin Taek Kim ,  Jung Eun Hong

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

CPC classification number: H01L33/387 ,  H01L27/156 ,  H01L33/62

Abstract: A display device includes a substrate, a first electrode and a second electrode which are spaced apart from each other in a second direction, light-emitting elements spaced apart from each other in the first direction, a first contact electrode electrically contacting the light-emitting elements, and a second contact electrode electrically contacting the light-emitting elements. The first contact electrode electrically contacts the first electrode through a first contact portion disposed on the first electrode, the second contact electrode electrically contacts the second electrode through a second contact portion disposed on the second electrode, the first contact portion is disposed on an end portion in the first direction of the first contact electrode, and the second contact portion is disposed on an end portion in the first direction of the second contact electrode.

公开(公告)号：US11870025B2

公开(公告)日：2024-01-09

申请号：US17839200

申请日：2022-06-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Taek Kim ,  Seung Min Lee ,  Jung Hwan Yi ,  Hee Keun Lee ,  Bek Hyun Lim ,  Kyung Tae Chae

IPC: H01L33/62 ,  H01L25/075 ,  H01L27/12 ,  H01L29/786 ,  G09G3/32

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L27/1259 ,  H01L29/78633 ,  G09G3/32 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/08 ,  G09G2310/0267 ,  H01L2933/0066

Abstract: A display device includes a first substrate, a wire pad in a pad area, first banks in a display area, electrodes on the first banks, a pad electrode base layer on the wire pad, having a greater width than the wire pad, and covering sides of the wire pad, a first insulating layer covering parts of the electrodes and part of the pad electrode base layer, light-emitting elements on the first insulating layer in the display area, respective ends of the light-emitting elements being on different electrodes, contact electrodes on the electrodes and contacting first ends of the light-emitting elements, and a pad electrode upper layer on the first insulating layer in the pad area and directly contacting the pad electrode base layer, wherein the pad electrode base layer includes the same material as the electrodes, and the pad electrode upper layer includes the same material as the contact electrodes.

公开(公告)号：US11552144B2

公开(公告)日：2023-01-10

申请号：US17579699

申请日：2022-01-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Ho Park ,  Yeon Hong Kim ,  Jin Yeong Kim ,  Jin Taek Kim ,  Soo Hyun Moon ,  Mi Jin Park ,  Tae Hoon Yang ,  Sung-Jin Lee ,  Jin Woo Lee ,  Kwang Taek Hong

IPC: G09G3/30 ,  H01L27/32 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/12

Abstract: A light emitting diode display device including: an organic light emitting diode including an anode electrode; a first transistor for providing a current to the anode electrode of the organic light emitting diode; a second transistor for transmitting a voltage to a gate electrode of the first transistor; a first capacitor for storing the voltage transmitted to the gate electrode of the first transistor; and a second capacitor disposed between a first electrode of the second transistor and a data line, wherein the first electrode of the second transistor is directly connected to the anode electrode of the organic light emitting diode.

公开(公告)号：US12132070B2

公开(公告)日：2024-10-29

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: H01L33/38 ,  H01L27/15 ,  H01L33/08 ,  H01L33/62 ,  H10K59/121 ,  H10K59/122 ,  H10K59/123 ,  H10K59/124

CPC classification number: H01L27/156 ,  H01L33/08 ,  H01L33/382 ,  H01L33/62 ,  H10K59/1213 ,  H10K59/122 ,  H10K59/123 ,  H01L33/38 ,  H10K59/124

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.

公开(公告)号：US12094855B2

公开(公告)日：2024-09-17

申请号：US17210985

申请日：2021-03-24

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook Lee ,  Ki Nyeng Kang ,  Jin Taek Kim ,  Tae Woo Kim ,  Hee Keun Lee ,  Kyung Tae Chae

IPC: H01L29/20 ,  H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L27/1214 ,  H01L33/62

Abstract: A pixel may include a pixel circuit layer including at least one transistor and a first electrode disposed on a substrate, and a first insulating layer disposed on the at least one transistor and the first electrode, and a display element layer disposed on the pixel circuit layer, the display element layer including a second electrode electrically connected to the at least one transistor, and a plurality of light emitting elements electrically connected to each of the first and second electrodes. The first electrode and the second electrode may be disposed on different layers and may be spaced apart from each other. The plurality of light emitting elements may overlap the first and second electrodes in a plan view and a cross-sectional view.

公开(公告)号：US11923346B2

公开(公告)日：2024-03-05

申请号：US17903551

申请日：2022-09-06

Applicant: Samsung Display Co., LTD.

Inventor： Sung Jin Lee ,  Jin Yeong Kim ,  Jin Taek Kim ,  Mi Jin Park ,  Jin Woo Lee ,  Kwang Taek Hong

IPC: H01L25/075 ,  H01L25/16 ,  H01L33/38 ,  H01L33/24 ,  H01L33/44

CPC classification number: H01L25/0753 ,  H01L25/167 ,  H01L33/38 ,  H01L33/24 ,  H01L33/44

Abstract: A display device includes a substrate including a display area and a non-display area, and pixels disposed in the display area. The pixels each include first electrodes, second electrodes spaced apart from the first electrodes, and light emitting elements disposed between the first electrodes and the second electrodes. The first electrodes each include a closed loop of a polygonal shape in some sections.