-
公开(公告)号：US20220149223A1
公开(公告)日：2022-05-12
申请号：US17443402
申请日：2021-07-26
发明人： Sooho LEE , Minki NAM , Sungwoon KIM , Jeongwoo PARK , Wanki BAE , Changhee LEE , Byeongguk JEONG
IPC分类号： H01L31/12 , H01L31/0384 , H01L31/103 , H01L31/18 , H01L27/32 , H01L51/56 , H01L51/50
摘要： An electronic device includes a semiconductor nanoparticle, and a method of manufacturing the semiconductor nanoparticle is additionally provided. The semiconductor nanoparticle includes: a core including a first element; and a shell covering at least a portion of a surface of the core and including a second element and a third element, wherein the first element, the second element, and the third element are different from each other, and the first element and the second element are chemically bonded to each other on the at least a portion of the surface of the core.
-
公开(公告)号：US20240274625A1
公开(公告)日：2024-08-15
申请号：US18432861
申请日：2024-02-05
发明人： Yungbin CHUNG , Changhee LEE , Yijoon AHN , Sungjoo KWON , Joonyong PARK , Hyuneok SHIN , Juhyun LEE , Samtae JEONG
IPC分类号： H01L27/12 , C23C16/27 , C23C16/44 , C23C16/455 , H10K59/12 , H10K59/121
CPC分类号： H01L27/127 , C23C16/27 , C23C16/4408 , C23C16/45565 , C23C16/45574 , H01L27/1222 , H01L27/1225 , H01L27/1255 , H10K59/1201 , H10K59/1213
摘要： An apparatus for manufacturing a display device includes a stage on which a display substrate is arranged, a nozzle portion facing the stage, where the nozzle portion supplies gas to the display substrate to form at least one selected from a base portion and a graphene layer on the display substrate, and a driver connected to at least one of the nozzle portion and the stage, where the driver linearly moves at least one selected from the nozzle portion and the stage in a predetermined direction. The nozzle portion forms the at least one selected from the base portion and the graphene layer on the display substrate based on a relative motion thereof with the stage.
-
3.发明公开公开(公告)号：US20240141228A1
公开(公告)日：2024-05-02
申请号：US18407326
申请日：2024-01-08
发明人： Changhee LEE , Dukki KIM , Hyojin KO , Sehun KIM , Jaehoon KIM , Hyunmi DOH , Yunku JUNG , Jaekook HA
IPC分类号： C09K11/06 , C07C43/10 , C07C53/00 , C07C63/08 , C07C211/09 , C07C309/04 , C07C309/30 , C07F9/54 , H10K85/60
CPC分类号： C09K11/06 , C07C43/10 , C07C53/00 , C07C63/08 , C07C211/09 , C07C309/04 , C07C309/30 , C07F9/5407 , C07F9/5442 , H10K85/60 , C09K2211/10 , C09K2211/1007 , H10K50/115
摘要： A quantum dot composition includes a quantum dot, and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a head portion bonded to the surface of the quantum dot and containing a polar solvent dissociative functional group, and a tail portion connected to the head portion. A quantum dot composition according to an embodiment is used to form an emission layer of a light emitting element to enhance luminous efficiency of the light emitting element including an emission layer formed through the quantum dot composition.
-
公开(公告)号：US20210376242A1
公开(公告)日：2021-12-02
申请号：US17152640
申请日：2021-01-19
发明人： Changhee LEE , Yunku JUNG , Hyojin KO , Dukki KIM , Sehun KIM , Jaehoon KIM , Hyunmi DOH , Jaekook HA
摘要： A quantum dot composition includes a quantum dot, and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a head portion bonded to the surface of the quantum dot, a connecting portion connected to the head portion and including a metal, and a tail portion coordinated to the metal of the connecting portion. The quantum dot composition according to the present embodiments is used to form an emission layer of a light emitting element, and may thus increase service life and luminous efficiency of the light emitting element including the emission layer formed using the quantum dot composition.
-
公开(公告)号：US20210371739A1
公开(公告)日：2021-12-02
申请号：US17212630
申请日：2021-03-25
发明人： Changhee LEE , Sehun KIM , Hyojin KO , Dukki KIM , Jaehoon KIM , Hyunmi DOH , Yunku JUNG , Jaekook HA
IPC分类号： C09K11/08
摘要： A quantum dot composition includes a quantum dot having a surface to which a ligand is bonded, and a thermal decomposition auxiliary compound. The quantum dot composition may be applied to an emission layer of a light emitting element and a display device, thereby improving luminous efficiency of the light emitting element and the display device.
-
公开(公告)号：US20210371736A1
公开(公告)日：2021-12-02
申请号：US17192388
申请日：2021-03-04
发明人： Changhee LEE , Dukki KIM , Hyojin KO , Sehun KIM , Jaehoon KIM , Hyunmi DOH , Yunku JUNG , Jaekook HA
IPC分类号： C09K11/06 , C07C309/04 , H01L51/00 , C07C309/30 , C07C53/00 , C07C63/08 , C07F9/54 , C07C43/10 , C07C211/09
摘要： A quantum dot composition includes a quantum dot, and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a head portion bonded to the surface of the quantum dot and containing a polar solvent dissociative functional group, and a tail portion connected to the head portion. A quantum dot composition according to an embodiment is used to form an emission layer of a light emitting element to enhance luminous efficiency of the light emitting element including an emission layer formed through the quantum dot composition.
-
公开(公告)号：US20210214610A1
公开(公告)日：2021-07-15
申请号：US17034861
申请日：2020-09-28
发明人： Yunhyuk KO , Kwangsup LEE , Prabhakaran PREM , Changhee LEE , Gyeongju KIM , Sinil CHOI
摘要： A method of preparing a quantum dot, a quantum dot prepared by the method, an optical member including the quantum dot, and an apparatus including the quantum dot. The quantum dot may include: a core including a III-V compound; a first shell surrounding the core and including ZnSe; a second shell surrounding the first shell and including ZnSe1-xSx, wherein x may be a real number greater than 0 and smaller than 1; and a third shell surrounding the second shell and including ZnS. The method may include: forming the first shell from a first material including zinc and a second material including selenium in a solution; forming the second shell by adding to the solution a third material including zinc and a fourth material including selenium and sulfur; and forming the third shell by adding to the solution a fifth material including zinc.
-
8.发明申请公开(公告)号：US20200313108A1
公开(公告)日：2020-10-01
申请号：US16714389
申请日：2019-12-13
发明人： Choelmin JANG , Byunghyuk KWON , Changhee LEE , Myungsoo HUH , Cheollae ROH , Jaehoon KIM , Jeong Hye CHOI
摘要： A light emitting diode according to embodiments of the present disclosure includes a first electrode, a second electrode opposite the first electrode, an emission layer between the first electrode and the second electrode, the emission layer including a quantum dot, a first charge transfer layer between the first electrode and the emission layer, a second charge transfer layer between the second electrode and the emission layer, and an insulating layer in at least one position between the first charge transfer layer and the emission layer, and/or between the second charge transfer layer and the emission layer, wherein the insulating layer includes an inorganic material. The light emitting diode and a display device including the same show improved life characteristics and emission efficiency properties.
-
公开(公告)号：US20210376193A1
公开(公告)日：2021-12-02
申请号：US17331510
申请日：2021-05-26
发明人： Yunhyuk KO , Changhee LEE , Yunku JUNG , Dukki KIM , Jongwon PARK , Jaekook HA
摘要： Provided are a light-emitting device, a method of preparing the light-emitting device, an ink composition including the light-emitting device, and an apparatus including the light-emitting device. The light-emitting device may include: a semiconductor region including a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer; a first protective layer on at least one portion of a surface of the semiconductor region and including a Group III-V compound; and a second protective layer on the first protective layer and including a metal oxide.
-
公开(公告)号：US20210226093A1
公开(公告)日：2021-07-22
申请号：US16943829
申请日：2020-07-30
发明人： Yunku JUNG , Changhee LEE , Yunhyuk KO , Dukki KIM , Jongwon PARK , Jaekook HA
IPC分类号： H01L33/26 , H01L25/075
摘要： A light-emitting device (LED) includes a first semiconductor layer, a second semiconductor layer facing the first semiconductor layer, an insulating layer arranged to at least partially surround outer surfaces of the first semiconductor layer and the second semiconductor layer, and a first ligand bonded to a surface of the insulating layer and a second ligand bonded to the first ligand.
-
-
-
-
-
-
-
-
-
搜索结果
22 条记录 (耗时 0.024 秒)
