公开(公告)号：US20240014358A1

公开(公告)日：2024-01-11

申请号：US18349485

申请日：2023-07-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hong Kyu SEO ,  Soonmin CHA ,  Dongchan KIM ,  Enjung KIM ,  Taehyung KIM ,  Tae Ho KIM ,  Shin Ae JUN ,  You Jung CHUNG

IPC: H01L33/56 ,  H01L33/06 ,  H01L33/00 ,  H01L33/14

CPC classification number: H01L33/56 ,  H01L33/06 ,  H01L33/005 ,  H01L33/14 ,  H01L2933/0016 ,  H01L2933/005

Abstract: An electroluminescent device that includes a first electrode and a second electrode spaced apart from each other, a light emitting layer disposed between the first electrode and the second electrode, an electron transport layer disposed between the light emitting layer and the second electrode, and an organic layer disposed on the electron transport layer. The light emitting layer includes a plurality of semiconductor nanoparticles, the electron transport layer includes a plurality of metal oxide nanoparticles, and the organic layer includes a polymeric acid compound.

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.

公开(公告)号：US20230212334A1

公开(公告)日：2023-07-06

申请号：US18150337

申请日：2023-01-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: C08F26/02 ,  C08F28/06 ,  H10K85/10 ,  H10K50/15 ,  H10K50/17

CPC classification number: C08F26/02 ,  C08F28/06 ,  H10K85/111 ,  H10K85/113 ,  H10K50/15 ,  H10K50/17 ,  H10K2102/331

Abstract: A polymer including a structural unit represented by Chemical Formula 1, an electroluminescence device material including the polymer, an electroluminescence device including the polymer or the electroluminescence device material, and an electronic device including the electroluminescence device are provided:




In Chemical Formula 1, the definition of each substituent is the same as described in the specification.

公开(公告)号：US20220195110A1

公开(公告)日：2022-06-23

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 ,  H01L51/00

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.