公开(公告)号：US11881547B2

公开(公告)日：2024-01-23

申请号：US17227937

申请日：2021-04-12

Applicant: Samsung Display Co., LTD.

Inventor： Hang Jae Lee ,  Yuk Hyun Nam ,  Sang Hoon Park

IPC: H01L33/62 ,  H01L25/16

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

Abstract: A display device may include a substrate, and a display element layer disposed on the substrate and including a light emitting element that emits light in a display direction. The display element layer may include a first contact electrode electrically connected to the light emitting element, a second contact electrode electrically connected to the light emitting element, and a bank pattern having a shape extending in the display direction. At least one of the first contact electrode, the second contact electrode, and the bank pattern may include a transparent conductive polymer.

公开(公告)号：US11798927B2

公开(公告)日：2023-10-24

申请号：US17451090

申请日：2021-10-15

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Jae Yun ,  Sang Hoon Park ,  Jee Hoon Park ,  Dong Woo Shin ,  Hang Jae Lee ,  Jae Won Choi

IPC: H01L25/16 ,  H01L27/12

CPC classification number: H01L25/167 ,  H01L27/1259

Abstract: A display device includes: a substrate including a pixel area; and a pixel in the pixel area, the pixel including a first sub-light emitting area, a second sub-light emitting area, and a peripheral area surrounding the first and second sub-light emitting areas. The pixel may include: a first electrode, a second electrode, a third electrode, and a fourth electrode that are spaced from each other; a plurality of light emitting elements in the first and second sub-light emitting areas; a bank in the peripheral area and including a first opening corresponding to the first sub-light emitting area and a second opening corresponding to the second sub-light emitting area; and an intermediate bank between the first sub-light emitting area and the second sub-light emitting area and partially overlapping the second and third electrodes in a plan view.

公开(公告)号：US12185607B2

公开(公告)日：2024-12-31

申请号：US17445796

申请日：2021-08-24

Applicant: Samsung Display Co., Ltd.

Inventor： Hang Jae Lee ,  Sang Hoon Park ,  Sung Jae Yun

IPC: H10K59/35 ,  H10K59/121

Abstract: A display device includes a plurality of subpixels arranged along a first direction and a second direction crossing the first direction, where each of the subpixels includes an emission area, a plurality of electrodes located in the emission area, extending in the first direction and spaced from one another in the second direction, and a plurality of light-emitting elements located on electrodes spaced from one another in the second direction, and where the subpixels include a plurality of first-type subpixels and a plurality of second-type subpixels, the second-type subpixels having a different number of electrodes in the emission area from the first-type subpixels.

公开(公告)号：US12100794B2

公开(公告)日：2024-09-24

申请号：US18535584

申请日：2023-12-11

Applicant: Samsung Display Co., LTD.

Inventor： Hang Jae Lee ,  Yuk Hyun Nam ,  Sang Hoon Park

IPC: H01L33/62 ,  H01L25/16

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

Abstract: A display device may include a substrate, and a display element layer disposed on the substrate and including a light emitting element that emits light in a display direction. The display element layer may include a first contact electrode electrically connected to the light emitting element, a second contact electrode electrically connected to the light emitting element, and a bank pattern having a shape extending in the display direction. At least one of the first contact electrode, the second contact electrode, and the bank pattern may include a transparent conductive polymer.

公开(公告)号：US12057526B2

公开(公告)日：2024-08-06

申请号：US17306385

申请日：2021-05-03

Applicant: Samsung Display Co., LTD.

Inventor： Hang Jae Lee ,  Yuk Hyun Nam ,  Sung Jae Yun ,  Geun Tak Kim ,  Jae Hoon Kim

IPC: H01L33/42 ,  H01L25/075 ,  H01L27/12 ,  H01L33/44 ,  H01L33/62

CPC classification number: H01L33/42 ,  H01L25/0753 ,  H01L27/1214 ,  H01L33/44 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0025 ,  H01L2933/0066 ,  H01L2933/0091

Abstract: A display device includes a plurality of pixels, a first bank defining light emission regions of the plurality of pixels, a first electrode and a second electrode which are spaced apart from each other in each of the light emission regions, and a plurality of light emitting elements disposed between the first electrode and the second electrode. The first bank, the first electrode, and the second electrode include a same material.

公开(公告)号：US12046702B2

公开(公告)日：2024-07-23

申请号：US17452762

申请日：2021-10-28

Applicant: Samsung Display Co., LTD.

Inventor： Sung Jae Yun ,  Yuk Hyun Nam ,  Sang Hoon Park ,  Hang Jae Lee

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

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/0095 ,  H01L33/44

Abstract: A light emitting element ink, a display device, and a method of manufacturing the same are provided. The light emitting element ink includes a solvent, a light emitting element dispersed in the solvent, the light emitting element including a plurality of semiconductor layers and an insulating film partially surrounding outer surfaces of the plurality of semiconductor layers, and a reactive mesogen dispersed in the solvent.

公开(公告)号：US11908849B2

公开(公告)日：2024-02-20

申请号：US17477014

申请日：2021-09-16

Applicant: Samsung Display Co., LTD.

Inventor： Hang Jae Lee ,  Sung Jae Yun ,  Yuk Hyun Nam

IPC: H01L27/12 ,  H01L25/16

CPC classification number: H01L25/167 ,  H01L27/124

Abstract: A display device includes electrodes disposed on a substrate, extended in a first direction, and spaced apart from one another in a second direction intersecting the first direction, and light-emitting elements having ends disposed on the electrodes, wherein the electrodes include a first electrode having a first portion and a second portion, and a floating electrode adjacent to the first portion of the first electrode, and a width of the second portion is greater than a width of the first portion in the second direction.

公开(公告)号：US11901374B2

公开(公告)日：2024-02-13

申请号：US17674360

申请日：2022-02-17

Applicant: Samsung Display Co., LTD.

Inventor： Hang Jae Lee ,  Yuk Hyun Nam ,  Sung Jae Yun

IPC: H01L27/12 ,  H01L25/16 ,  H01L33/44 ,  H01L23/00

CPC classification number: H01L27/1244 ,  H01L24/95 ,  H01L25/167 ,  H01L27/1259 ,  H01L24/24 ,  H01L33/44 ,  H01L2224/24051 ,  H01L2224/24147 ,  H01L2224/95101 ,  H01L2224/95133

Abstract: A display device in accordance with some embodiments may include a substrate, a first interlayer insulating layer on the substrate, a data conductor on the first interlayer insulating layer, a passivation layer on the data conductor, a pixel electrode layer on the passivation layer, and a shielding electrode between the data conductor and the pixel electrode layer, and defining a first contact opening and a second contact opening, wherein the data conductor and the pixel electrode layer are electrically coupled to each other in each of the first contact opening and the second contact opening.