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11.发明公开公开(公告)号：US20240234640A1
公开(公告)日：2024-07-11
申请号：US18606347
申请日：2024-03-15
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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12.发明申请公开(公告)号：US20220165786A1
公开(公告)日：2022-05-26
申请号：US17454459
申请日：2021-11-10
Applicant: Samsung Display Co., Ltd.
Inventor： Se Hun KIM , Chang Hee LEE , Jae Kook HA , In Pyo KIM , Jun Bo SIM , Hyo Jin KO , Chan Woo JOO , Na Mi HONG
Abstract: A method of manufacturing a light emitting element includes: forming a plurality of light emitting patterns on a stack substrate; forming a polysilazane layer on the plurality of light emitting patterns; forming a first insulating film by curing the polysilazane layer; and forming a second insulating film on the first insulating film. The forming of the first insulating film includes photocuring the polysilazane layer by irradiating ultraviolet rays onto the polysilazane layer. The forming of the plurality of light emitting patterns includes: forming a light emitting stack structure on the stack substrate; and etching the light emitting stack structure.
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公开(公告)号：US20220158039A1
公开(公告)日：2022-05-19
申请号：US17350949
申请日：2021-06-17
Applicant: Samsung Display Co., Ltd.
Inventor： Jun Bo SIM , Chang Hee LEE , Yun Hyuk KO , Sang Ho JEON , Jae Kook HA
IPC: H01L33/44 , H01L33/00 , H01L25/075 , H01L25/16 , H01L33/62
Abstract: A light emitting element includes: a light emitting stack pattern including a first semiconductor layer, an active layer, and a second semiconductor layer that are sequentially stacked along one direction; and an insulating film surrounding an outer surface of at least one of the first semiconductor layer, the active layer, and the second semiconductor layer. The insulating film including a zinc oxide (ZnO) thin film layer.
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14.发明申请公开(公告)号：US20220093817A1
公开(公告)日：2022-03-24
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 , H01L27/15 , H01L33/24 , H01L33/38 , H01L33/44 , B82B3/00 , C09D11/52 , C09D11/50 , C09D11/033
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：US20230416548A1
公开(公告)日：2023-12-28
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 , H10K50/844 , H10K71/00
CPC classification number: C09D11/38 , C09D11/50 , H10K50/844 , H10K71/00 , C09K11/06
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
公开(公告)号：US20230255048A1
公开(公告)日：2023-08-10
申请号：US18303948
申请日：2023-04-20
Applicant: Samsung Display Co., LTD.
Inventor： Seung Mook LEE , Chang Hee LEE , Yool Guk KIM , Young Mo KOO , Jae Kook HA
IPC: H10K50/17 , C09D11/38 , H10K59/122 , H10K71/00 , H10K71/13
CPC classification number: H10K50/17 , C09D11/38 , H10K59/122 , H10K71/00 , H10K71/135 , H10K59/1201
Abstract: A display device includes a substrate on which pixels are defined, a pixel electrode disposed for each of the pixels on the substrate, a pixel defining layer disposed along a boundary of the pixels, the pixel defining layer including an opening exposing the pixel electrode, a light emitting layer disposed on the pixel electrode in the opening of the pixel defining layer, and a hole injection layer disposed between the pixel electrode and the light emitting layer. The hole injection layer includes an adhesion promoting layer disposed on the pixel electrode.
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公开(公告)号：US20230006112A1
公开(公告)日：2023-01-05
申请号：US17702659
申请日：2022-03-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Ji Yoon KIM , Chang Hee LEE , Se Hun KIM , Young Mo KOO , Jae Kook HA
Abstract: A color changing substrate comprises a substrate comprising emission areas and non-emission areas, a color filter layer on the substrate and comprising a light blocking member partitioning the emission areas and the non-emission areas, and a plurality of color filters in areas surrounded by the light blocking member, a bank overlapping the light blocking member, a wavelength control layer comprising wavelength conversion layers and a light transmitting layer in areas surrounded by the bank, a reflective layer overlapping the bank, a first metal oxide layer overlapping the reflective layer, and a self-assembled layer overlapping the first metal oxide layer.
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18.发明申请公开(公告)号：US20210391308A1
公开(公告)日：2021-12-16
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 , H01L27/12 , H01L33/24 , H01L33/38 , H01L33/44 , H01L33/62 , B82B3/00 , C09D11/50 , C09D11/322 , C09D11/38 , C09D11/037
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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19.发明申请公开(公告)号：US20210226103A1
公开(公告)日：2021-07-22
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
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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20.发明申请公开(公告)号：US20190019958A1
公开(公告)日：2019-01-17
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
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: Ar∛R)k. Formula 1
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