公开(公告)号：US20230126748A1

公开(公告)日：2023-04-27

申请号：US17899771

申请日：2022-08-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Masashi TSUJI ,  Norihito ISHII ,  Takahiro FUJIYAMA ,  Naotoshi SUGANUMA ,  Yusaku KONISHI ,  Fumiaki KATO

IPC: H01L51/00 ,  H01L51/50

Abstract: As a means for providing an electroluminescent device capable of achieving high luminance, high efficiency, and at the same time excellent device life-span, a polymer having an overlap index of greater than or equal to about 0.00001 and less than or equal to about 1.8, and a polymer including a structural unit represented by Chemical Formula (1) are provided:

公开(公告)号：US20180182968A1

公开(公告)日：2018-06-28

申请号：US15855135

申请日：2017-12-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Katsunori SHIBATA ,  Fumiaki KATO ,  Yusaku KONISHI ,  Fujiyama TAKAHIRO

IPC: H01L51/00 ,  C08G61/12

CPC classification number: H01L51/0039 ,  C08G61/12 ,  C08G61/124 ,  C08G2261/12 ,  C08G2261/135 ,  C08G2261/1414 ,  C08G2261/148 ,  C08G2261/312 ,  C08G2261/3142 ,  C08G2261/3162 ,  C08G2261/3241 ,  C08G2261/76 ,  C08G2261/95 ,  H01L51/0035 ,  H01L51/0043 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5088

Abstract: A polymer compound including a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 3: wherein in Formulae 1 and 3, groups and variables are the same as described in the specification.

公开(公告)号：US20240158566A1

公开(公告)日：2024-05-16

申请号：US18486624

申请日：2023-10-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Fumiaki KATO ,  Ha Il KWON ,  Soonmin CHA ,  Naotoshi SUGANUMA ,  Yusaku KONISHI ,  Norihito ISHII ,  Takahiro FUJIYAMA ,  Masashi TSUJI

IPC: C08G61/12 ,  H10K85/10

CPC classification number: C08G61/12 ,  H10K85/115 ,  H10K85/151 ,  H10K50/15

Abstract: A polymer compound for use in an electroluminescent device may improve the durability (particularly the luminescence lifespan). The polymer compound includes Structural Unit (A) represented by Chemical Formula (1).




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

公开(公告)号：US20220177642A1

公开(公告)日：2022-06-09

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 ,  H01L51/00

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：US20220077394A1

公开(公告)日：2022-03-10

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: H01L51/00 ,  C08G61/10 ,  C08L65/02

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：US20200212306A1

公开(公告)日：2020-07-02

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

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：US20240247104A1

公开(公告)日：2024-07-25

申请号：US18530783

申请日：2023-12-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Fumiaki KATO ,  Masashi TSUJI ,  Norihito ISHII ,  Takahiro FUJIYAMA ,  Naotoshi SUGANUMA ,  Yusaku KONISHI ,  Ha Il KWON ,  Won Sik YOON

IPC: C08G73/02 ,  H10K50/15 ,  H10K71/10 ,  H10K85/10 ,  H10K85/60

CPC classification number: C08G73/02 ,  H10K50/15 ,  H10K71/10 ,  H10K85/111 ,  H10K85/615 ,  H10K85/631 ,  H10K85/6572

Abstract: A polymer compound including a structural unit represented by formula (1), and at least one of structural units represented by formula (2), formula (3), or formula (4), and a composition, an organic membrane, and an electroluminescence device including the polymer compound, and a method or producing the electroluminescence device are provided:

公开(公告)号：US20240247098A1

公开(公告)日：2024-07-25

申请号：US18614926

申请日：2024-03-25

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：US20240114765A1

公开(公告)日：2024-04-04

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: H10K85/10

CPC classification number: H10K85/151 ,  H10K50/15

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：US20230212335A1

公开(公告)日：2023-07-06

申请号：US18150672

申请日：2023-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Norihito ISHII ,  Fumiaki KATO ,  Masashi TSUJI ,  Naotoshi SUGANUMA ,  Takahiro FUJIYAMA ,  Yusaku KONISHI ,  Eun Joo JANG ,  Ha Il KWON ,  Hyo Sook JANG ,  Soonmin CHA ,  Tae Ho KIM ,  Wonsik YOON ,  Yuho WON

IPC: C08F26/12 ,  H10K50/15 ,  H10K50/17 ,  H10K85/10

CPC classification number: C08F26/12 ,  H10K50/15 ,  H10K50/17 ,  H10K85/146

Abstract: As a technology capable of improving the durability of an electroluminescent device, for example, luminescence lifespan, a polymeric compound including a structural unit represented by Chemical Formula 1, or a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2, and an electroluminescent device material or electroluminescent device including the same are provided:




In Chemical Formula 1 and Chemical Formula 2, R11 to R14 are not the same as R41 to R44.