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公开(公告)号：US12243963B2
公开(公告)日：2025-03-04
申请号：US17319602
申请日：2021-05-13
Applicant: Samsung Display Co., LTD.
Inventor： Hyo Jin Ko , Duk Ki Kim , Jun Bo Sim , Na Mi Hong , Yong Hwi Kim , Chang Hee Lee , Jae Kook Ha
Abstract: A light emitting element ink comprises a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers, and an insulating film surrounding outer surfaces of the plurality of semiconductor layers, and a thickener dispersed in the light emitting element solvent, wherein the thickener includes a compound represented by Chemical Structural Formula 1 as a polyol-based compound capable of forming a hydrogen bond with the light emitting element solvent or another thickener, and the thickener has a boiling point in a range of about 200° C. to about 450° C.
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2.发明授权公开(公告)号：US11949046B2
公开(公告)日：2024-04-02
申请号：US17395950
申请日：2021-08-06
Applicant: Samsung Display Co., LTD.
Inventor： Se Hun Kim , Chang Hee Lee , Yun Hyuk Ko , Duk Ki Kim , Jun Woo Park , Soo Ho Lee , Jae Kook Ha , Yun Ku Jung
CPC classification number: H01L33/44 , H01L25/167 , H01L33/0095 , H01L33/007 , H01L33/0093 , H01L33/20 , H01L2933/0025
Abstract: A light-emitting element includes a first semiconductor layer doped to have a first polarity, a second semiconductor layer doped to have a second polarity different from the first polarity, a light-emitting layer disposed between the first and second semiconductor layers, a shell layer formed on side surfaces of the first semiconductor layer, the light-emitting layer, and the second semiconductor layer, the shell layer including a divalent metal element, and an insulating film covering an outer surface of the shell layer and surrounding the side surface of the light-emitting layer.
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3.发明授权公开(公告)号：US12168732B2
公开(公告)日：2024-12-17
申请号：US18465881
申请日：2023-09-12
Applicant: Samsung Display Co., LTD.
Inventor： Jun Bo Sim , Hyo Jin Ko , Duk Ki Kim , Chang Hee Lee , Jae Kook Ha
IPC: C09D11/38 , C09D11/50 , C09K11/06 , H10K50/844 , H10K71/00
Abstract: A light emitting element ink and a method of manufacturing a display device are provided. The light emitting element ink includes a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers and an insulating film surrounding outer surfaces of the semiconductor layers, a thickener dispersed in the light emitting element solvent, wherein a compound of the thickener includes a functional group capable of forming a hydrogen bond together with a compound of the light emitting element solvent or another compound of the thickener and the compound of the thickener is represented by Chemical Formula 1.
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Patent Agency Ranking
4.发明授权公开(公告)号：US12132140B2
公开(公告)日：2024-10-29
申请号：US17476993
申请日：2021-09-16
Applicant: Samsung Display Co., LTD.
Inventor： Hyo Jin Ko , Duk Ki Kim , Yong Hwi Kim , Jun Bo Sim , Na Mi Hong , Jong Hyuk Kang , Gyu Bong Kim , Hoi Lim Kim , Sae Na Yun , Chang Hee Lee , Hyun Deok Im , Eun A Cho , Jae Kook Ha
IPC: H01L33/00 , B82B3/00 , C09D11/033 , C09D11/50 , C09D11/52 , H01L27/15 , H01L33/24 , H01L33/38 , H01L33/44
CPC classification number: H01L33/005 , B82B3/0052 , C09D11/033 , C09D11/50 , C09D11/52 , H01L27/156 , H01L33/24 , H01L33/38 , H01L33/44 , H01L2933/0016
Abstract: An ink includes a solvent, and light-emitting elements dispersed in the solvent, each of the light-emitting elements comprising semiconductor layers and an insulating film partially surrounding outer surfaces of the semiconductor layers, wherein the solvent has Hansen solubility parameters of a polarity parameter between about 4 and about 9 and a hydrogen bonding parameter between about 6 and about 11.
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公开(公告)号：US11728464B2
公开(公告)日：2023-08-15
申请号：US16935095
申请日：2020-07-21
Applicant: Samsung Display Co., Ltd.
Inventor： Jong Won Park , Chang Hee Lee , Duk Ki Kim , Yun Ku Jung , Yun Hyuk Ko , Jae Kook Ha
CPC classification number: H01L33/56 , C08G61/10 , C08L47/00 , C08L65/02 , H01L33/0095 , H01L33/36 , C08G2261/3142 , H01L2933/005
Abstract: A light emitting element includes a first semiconductor layer; an active layer on the first semiconductor layer; a second semiconductor layer on the active layer; an insulating film surrounding an outer peripheral surface of each of the first semiconductor layer, the active layer and the second semiconductor layer; and a polymer film including a polymer chain and on at least a portion of a surface of the insulating film.
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公开(公告)号：US11515481B2
公开(公告)日：2022-11-29
申请号：US15863768
申请日：2018-01-05
Applicant: Samsung Display Co., Ltd.
Inventor： Se Hun Kim , Chang Woong Chu , Duk Ki Kim , Dong Woo Shin , Jae Kook Ha
IPC: H01L51/00 , G09G3/3208 , C07D251/12 , C07D239/24 , C07D209/82 , H01L51/50
Abstract: A composition for forming organic film, a display device utilizing the composition, and a method of manufacturing the display device are provided. The composition for forming an organic film includes a solvent; and a compound of Formula 1: ArR)k. Formula 1
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公开(公告)号：US11935876B2
公开(公告)日：2024-03-19
申请号：US17241943
申请日：2021-04-27
Applicant: Samsung Display Co., Ltd.
Inventor： Jun Bo Sim , Duk Ki Kim , Yong Hwi Kim , Hyo Jin Ko , Chang Hee Lee , Chan Woo Joo , Jae Kook Ha , Na Mi Hong
IPC: H01L25/075 , B82B3/00 , C09D11/037 , C09D11/322 , C09D11/38 , C09D11/50 , H01L27/12 , H01L33/24 , H01L33/38 , H01L33/44 , H01L33/62
CPC classification number: H01L25/0753 , B82B3/0052 , C09D11/037 , C09D11/322 , C09D11/38 , C09D11/50 , H01L27/1214 , H01L33/24 , H01L33/38 , H01L33/44 , H01L33/62 , H01L2933/0066
Abstract: A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.
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公开(公告)号：US11787964B2
公开(公告)日：2023-10-17
申请号：US17233288
申请日：2021-04-16
Applicant: Samsung Display Co., Ltd.
Inventor： Jun Bo Sim , Hyo Jin Ko , Duk Ki Kim , Chang Hee Lee , Jae Kook Ha
IPC: C09D11/38 , C09D11/50 , H10K50/844 , H10K71/00 , C09K11/06
CPC classification number: C09D11/38 , C09D11/50 , H10K50/844 , H10K71/00 , C09K11/06 , C09K2211/10
Abstract: A light emitting element ink and a method of manufacturing a display device are provided. The light emitting element ink includes a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers and an insulating film surrounding outer surfaces of the semiconductor layers, a thickener dispersed in the light emitting element solvent, wherein a compound of the thickener includes a functional group capable of forming a hydrogen bond together with a compound of the light emitting element solvent or another compound of the thickener and the compound of the thickener is represented by Chemical Formula 1.
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