公开(公告)号：US11758800B2

公开(公告)日：2023-09-12

申请号：US16898065

申请日：2020-06-10

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Fumiaki Kato ,  Keigo Furuta ,  Masashi Tsuji ,  Takahiro Fujiyama ,  Takao Motoyama ,  Yusaku Konishi

IPC分类号： H10K85/10 ,  C08G61/10 ,  C08G61/12 ,  C09K11/02 ,  C09K11/08 ,  C09K11/88 ,  H10K50/115

CPC分类号： H10K85/111 ,  C08G61/10 ,  C08G61/126 ,  C09K11/02 ,  C09K11/0883 ,  C09K11/883 ,  H10K85/151 ,  C08G2261/124 ,  C08G2261/148 ,  C08G2261/149 ,  C08G2261/1412 ,  C08G2261/1434 ,  C08G2261/312 ,  C08G2261/314 ,  C08G2261/3142 ,  C08G2261/3223 ,  C08G2261/3247 ,  C08G2261/512 ,  C08G2261/95 ,  H10K50/115

摘要： A polymer material includes a segment of an alternating copolymer of a structural unit of a specific structure and has a glass transition temperature of greater than or equal to about 50° C. and less than or equal to about 250° C. The polymer material is capable of improving luminescence life-span of an electroluminescence device, particularly a quantum dot light emitting device.

公开(公告)号：US11631815B2

公开(公告)日：2023-04-18

申请号：US16729646

申请日：2019-12-30

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Yusaku Konishi ,  Takahiro Fujiyama ,  Fumiaki Kato ,  Keigo Furuta ,  Kiyohiko Tsutsumi ,  Masashi Tsuji ,  Takao Motoyama

IPC分类号： H01L51/00 ,  H01L51/50

摘要： A device having design film thicknesses, to suppress non-uniformity of a light emitting surface, to provide a quantum dot electroluminescence device with good luminous efficiency and light emitting life-span, and to provide an excellent quantum dot electroluminescence device with luminous efficiency and light emitting life-span. A quantum dot electroluminescence device including a hole transport layer, an electron transport layer, and a light emitting layer disposed between the hole transport layer and the electron transport layer, wherein the hole transport layer includes a polymer material and a low molecular material, the light emitting layer includes a quantum dot having a core-shell structure, and a residual film ratio of the hole transport layer is greater than or equal to about 95%.

公开(公告)号：US11917899B2

公开(公告)日：2024-02-27

申请号：US17193078

申请日：2021-03-05

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Masashi Tsuji ,  Takahiro Fujiyama ,  Yusaku Konishi ,  Dae Young Chung ,  Fumiaki Kato ,  Jaejun Chang ,  Keigo Furuta ,  Takao Motoyama ,  Eun Joo Jang ,  Hyo Sook Jang ,  Tae Ho Kim ,  Tomoyuki Kikuchi ,  Yuho Won

IPC分类号： H10K85/10 ,  C09K11/06 ,  C08G61/12 ,  H10K50/15 ,  H10K50/17

CPC分类号： H10K85/115 ,  C08G61/12 ,  C09K11/06 ,  H10K85/151 ,  C08G2261/124 ,  C08G2261/147 ,  C08G2261/148 ,  C08G2261/1412 ,  C08G2261/18 ,  C08G2261/228 ,  C08G2261/312 ,  C08G2261/3142 ,  C08G2261/3162 ,  C08G2261/95 ,  C09K2211/1416 ,  C09K2211/1425 ,  C09K2211/1433 ,  H10K50/15 ,  H10K50/17

摘要： An arylamine-fluorene alternating copolymer having a structural unit (A) is represented by Chemical Formula (1):




wherein Chemical Formula (1) is the same as described in the detailed description.

公开(公告)号：US11910697B2

公开(公告)日：2024-02-20

申请号：US17470884

申请日：2021-09-09

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Fumiaki Kato ,  Masashi Tsuji ,  Takao Motoyama ,  Yusaku Konishi ,  Keigo Furuta ,  Takahiro Fujiyama ,  Tae Ho Kim ,  Won Sik Yoon ,  Ha Il Kwon ,  Dae Young Chung ,  Eun Joo Jang

IPC分类号： H10K85/10 ,  C08G61/10 ,  C08L65/02 ,  H10K50/15 ,  H10K50/17

CPC分类号： H10K85/111 ,  C08G61/10 ,  C08L65/02 ,  C08G2261/11 ,  C08G2261/148 ,  C08G2261/149 ,  C08G2261/1434 ,  C08G2261/312 ,  C08G2261/3142 ,  C08G2261/95 ,  H10K50/15 ,  H10K50/17

摘要： A copolymer having a structural unit represented by Chemical Formula 1 is provided. The copolymer may improve performance, e.g., luminous efficiency, of an electroluminescence device.




In Chemical Formula 1, the definition of each substituent is as described in the detailed description.

公开(公告)号：US11997917B2

公开(公告)日：2024-05-28

申请号：US18128470

申请日：2023-03-30

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Yusaku Konishi ,  Takahiro Fujiyama ,  Fumiaki Kato ,  Keigo Furuta ,  Kiyohiko Tsutsumi ,  Masashi Tsuji ,  Takao Motoyama

IPC分类号： H01L51/00 ,  H01L51/50 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K85/10

CPC分类号： H10K85/151 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16

摘要： A device having design film thicknesses, to suppress non-uniformity of a light emitting surface, to provide a quantum dot electroluminescence device with good luminous efficiency and light emitting life-span, and to provide an excellent quantum dot electroluminescence device with luminous efficiency and light emitting life-span. A quantum dot electroluminescence device including a hole transport layer, an electron transport layer, and a light emitting layer disposed between the hole transport layer and the electron transport layer, wherein the hole transport layer includes a polymer material and a low molecular material, the light emitting layer includes a quantum dot having a core-shell structure, and a residual film ratio of the hole transport layer is greater than or equal to about 95%.

公开(公告)号：US11411188B2

公开(公告)日：2022-08-09

申请号：US16729628

申请日：2019-12-30

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Fumiaki Kato ,  Masashi Tsuji ,  Takahiro Fujiyama ,  Keigo Furuta ,  Takao Motoyama ,  Yusaku Konishi

IPC分类号： H01L51/00 ,  C08G73/02 ,  C09D179/02 ,  C09D5/24 ,  H01L51/50

摘要： An electroluminescent device with an improved luminous efficiency. The device includes a light emitting layer with an arylamine polymer including a structural unit (A) represented by Chemical Formula (1).