公开(公告)号：US11758800B2

公开(公告)日：2023-09-12

申请号：US16898065

申请日：2020-06-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: 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

Abstract: 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：US11974494B2

公开(公告)日：2024-04-30

申请号：US15855145

申请日：2017-12-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Takahiro Fujiyama ,  Keisuke Korai ,  Katsunori Shibata ,  Daeyoung Chung ,  Eunjoo Jang ,  Taehyung Kim

IPC: C08G61/02 ,  C08G61/12 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K50/17 ,  H10K85/10 ,  H10K101/10

CPC classification number: H10K85/115 ,  C08G61/02 ,  C08G61/124 ,  H10K50/115 ,  H10K85/141 ,  H10K85/151 ,  C08G2261/12 ,  C08G2261/1412 ,  C08G2261/1414 ,  C08G2261/1434 ,  C08G2261/147 ,  C08G2261/148 ,  C08G2261/312 ,  C08G2261/3142 ,  C08G2261/95 ,  H10K50/11 ,  H10K50/15 ,  H10K50/17 ,  H10K2101/10

Abstract: A polymer compound including a repeating unit represented by Formula 1:






wherein, in Formula 1, groups and variables are the same as described in the specification.

公开(公告)号：US11997917B2

公开(公告)日：2024-05-28

申请号：US18128470

申请日：2023-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: H10K85/151 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16

Abstract: 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

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

Abstract: 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).

公开(公告)号：US11917899B2

公开(公告)日：2024-02-27

申请号：US17193078

申请日：2021-03-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： 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: H10K85/10 ,  C09K11/06 ,  C08G61/12 ,  H10K50/15 ,  H10K50/17

CPC classification number: 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

Abstract: 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

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： 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: H10K85/10 ,  C08G61/10 ,  C08L65/02 ,  H10K50/15 ,  H10K50/17

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

Abstract: 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：US12173114B2

公开(公告)日：2024-12-24

申请号：US17559388

申请日：2021-12-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Norihito Ishii ,  Takahiro Fujiyama ,  Masashi Tsuji ,  Naotoshi Suganuma ,  Yusaku Konishi ,  Dae Young Chung ,  Eun Joo Jang ,  Ha Il Kwon ,  Hyo Sook Jang ,  Soonmin Cha ,  Tae Ho Kim ,  Fumiaki Kato

IPC: C08G61/12 ,  H10K85/10

Abstract: A copolymer, including a structural unit represented by Chemical Formula 1, a structural unit represented by Chemical Formula 2, or a combination thereof: wherein R1, R2, R3, X1, X2, and Ar1 are as provided herein.

公开(公告)号：US11939422B2

公开(公告)日：2024-03-26

申请号：US17544028

申请日：2021-12-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Masashi Tsuji ,  Fumiaki Kato ,  Naotoshi Suganuma ,  Takahiro Fujiyama ,  Yusaku Konishi ,  Dae Young Chung ,  Ha Il Kwon ,  Soonmin Cha ,  Tae Ho Kim

IPC: C08G61/12 ,  B82Y20/00 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K71/00 ,  H10K71/12 ,  H10K85/10 ,  H10K101/30 ,  H10K101/40 ,  H10K102/00

CPC classification number: C08G61/124 ,  H10K71/12 ,  H10K85/111 ,  H10K85/151 ,  B82Y20/00 ,  C08G2261/12 ,  C08G2261/1434 ,  C08G2261/148 ,  C08G2261/149 ,  C08G2261/3241 ,  C08G2261/512 ,  C08G2261/5222 ,  H10K50/11 ,  H10K50/115 ,  H10K50/15 ,  H10K71/00 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2102/00

Abstract: A copolymer including a structural unit represented by Chemical Formula 1




wherein the copolymer is capable of improving luminous efficiency and durability, particularly, an improvement in luminescence life-span, of an electroluminescence device, particularly a quantum dot electroluminescence 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

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01L51/00 ,  H01L51/50

Abstract: 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%.