公开(公告)号：US20220204673A1

公开(公告)日：2022-06-30

申请号：US17553914

申请日：2021-12-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Takahiro FUJIYAMA ,  Tomoyuki KIKUCHI ,  Fumiaki KATO ,  Masashi TSUJI ,  Naotoshi SUGANUMA ,  Norihito ISHII ,  Dae Young CHUNG ,  Ha Il KWON ,  Soonmin CHA ,  Tae Ho KIM

IPC: C08F226/02 ,  H01L51/00 ,  C08F226/06 ,  C09K11/88 ,  C09K11/56

Abstract: Disclosed is a copolymer including a structural unit represented by Chemical Formula 1 capable of improving performance (particularly durability) of an electroluminescent device.

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：US20200212329A1

公开(公告)日：2020-07-02

申请号：US16726426

申请日：2019-12-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Naotoshi SUGANUMA ,  Katsunori SHIBATA ,  Norihito ISHII

IPC: H01L51/42 ,  H01L51/44 ,  H01L27/146

Abstract: Provided is a photoelectric conversion film having sufficient sensitivity to near-infrared light and capable of reducing dark current. The photoelectric conversion film includes a p-type organic semiconductor, which is a near-infrared light absorbing colorant. The photoelectric conversion film has an absorption coefficient of light of less than or equal to 0.13 with respect to the wavelength of 1,000 nm at a thickness of 100 nm of the film.