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公开(公告)号：US20240136490A1
公开(公告)日：2024-04-25
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
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.
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公开(公告)号：US20230373211A1
公开(公告)日：2023-11-23
申请号：US18300446
申请日：2023-04-14
Applicant: Samsung Display Co., LTD.
Inventor： Kyong Sub KIM , Jae Hoon KIM , Sang Hoon PARK , Dong Woo SHIN
IPC: B41J2/14
CPC classification number: B41J2/14201 , B41J2002/14419
Abstract: An inkjet printing apparatus may include a stage on which a substrate is seated; a nozzle part disposed above the stage and spraying an ink onto the substrate, the ink containing a solvent and solid substances; and a head part that supplies the ink to the nozzle part. The nozzle part includes an internal flow path extended in a first direction, through which the ink is supplied from the head prat; and an inlet in which an entrance area is defined. The ink is introduced in a second direction intersecting the first direction from the internal flow path through the entrance area. The inlet includes an inclined surface adjacent to the entrance area and defining the entrance area; and a flat surface parallel to the first direction. An angle between the inclined surface and the flat surface is an acute angle.
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公开(公告)号：US20250133928A1
公开(公告)日：2025-04-24
申请号：US19006178
申请日：2024-12-30
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.
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公开(公告)号：US20240047445A1
公开(公告)日：2024-02-08
申请号：US18490729
申请日：2023-10-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sung Jae YUN , Sang Hoon PARK , Jee Hoon PARK , Dong Woo SHIN , Hang Jae LEE , Jae Won CHOI
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.
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公开(公告)号：US20220122956A1
公开(公告)日：2022-04-21
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
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.
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Patent Agency Ranking
公开(公告)号：US20240234667A9
公开(公告)日：2024-07-11
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
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.
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公开(公告)号：US20220109085A1
公开(公告)日：2022-04-07
申请号：US17317265
申请日：2021-05-11
Applicant: Samsung Display Co., LTD.
Inventor： Yuk Hyun NAM , Sang Hoon PARK , Sung Jae YUN , Hang Jae LEE
Abstract: A display device includes a first electrode and a second electrode spaced apart from each other on a substrate, a light-emitting element disposed between the first electrode and the second electrode on the substrate, a third electrode disposed on the first electrode and an end of the light-emitting element, a fourth electrode disposed on the second electrode and another end of the light-emitting element, a first insulation pattern disposed on the third electrode, and a second insulation pattern disposed on the first insulation pattern. An end of the first insulation pattern corresponding to the end of the light-emitting element protrudes toward the another end of the light-emitting element further than an end of the third electrode, and the second insulation pattern fills a space adjacent to the end of the third electrode and formed under the first insulation pattern.
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公开(公告)号：US20220093836A1
公开(公告)日：2022-03-24
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
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.
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公开(公告)号：US20220140195A1
公开(公告)日：2022-05-05
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
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.
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公开(公告)号：US20220077245A1
公开(公告)日：2022-03-10
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: H01L27/32
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.
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