公开(公告)号：US20250051250A1

公开(公告)日：2025-02-13

申请号：US18721316

申请日：2022-12-06

Applicant: TOSOH CORPORATION ,  SAGAMI CHEMICAL RESEARCH INSTITUTE

Inventor： Fuminari UEHARA ,  Naoki UCHIDA ,  Kana OIKE ,  Yasuhiro TAKAHASHI ,  Kazuki HATTORI ,  Shintaro NOMURA ,  Hidenori AIHARA ,  Naoki HAYAKAWA ,  Shuya MATSUMOTO

IPC: C07C15/38 ,  H10K50/15 ,  H10K50/16 ,  H10K85/60

Abstract: Provided are a diamantane compound with which an organic electroluminescent device that can exhibit excellent luminous efficiency characteristics, more preferably excellent drive voltage characteristics and excellent luminous efficiency characteristics, can be produced, and an organic electroluminescent device material containing the diamantane compound. Also provided is an organic electroluminescent device that can achieve luminous efficiency characteristics, more preferably drive voltage characteristics and luminous efficiency characteristics, at high levels.
A diamantane compound has a group represented by formula (1) below and a group represented by formula (2) below. (In formula (1), carbon atoms of a diamantane ring are optionally substituted with an aryl group having 6 to 12 carbon atoms. In formula (1), * represents a bond, and a represents an integer of 1 to 6.)

公开(公告)号：US20230337532A1

公开(公告)日：2023-10-19

申请号：US18027785

申请日：2021-10-01

Applicant: TOSOH CORPORATION

Inventor： Youhei ONO ,  Kana OIKE ,  Fuminari UEHARA ,  Kazuki HATTORI ,  Yasuhiro TAKAHASHI ,  Tomohiro SHONO ,  Naoki UCHIDA

IPC: H10K85/60 ,  C07D251/24 ,  C09K11/06

CPC classification number: H10K85/654 ,  C07D251/24 ,  C09K11/06 ,  H10K85/626 ,  H10K85/615 ,  H10K50/16

Abstract: A triazine compound represented by formula (1) is provided. In the formula (1),






A and B each independently represent an aryl group having 6 to 20 carbon atoms;
L represents a phenyl group or a naphthyl group;
n is 0 or 1; and
C represents any one of groups X, Y, and Z below,










wherein Ar1 and Ar2 each independently represent an aromatic hydrocarbon group or a pyridyl group.

公开(公告)号：US20240407260A1

公开(公告)日：2024-12-05

申请号：US18577046

申请日：2022-06-28

Applicant: TOSOH CORPORATION

Inventor： Nobumichi ARAI ,  Takeshi OKADA ,  Yasuhiro TAKAHASHI ,  Keisuke NOMURA

IPC: H10K85/60 ,  C07D241/36 ,  C07D475/12 ,  H10K30/86

Abstract: Provided are a material for a light receiving element having excellent hole transport characteristics, and an organic light receiving element using the same.
A material for a light receiving element is used that includes a compound represented by general formula (1) or general formula (2). Ar2 and Ar3 are preferably cyano groups. Ar and Ar5 are preferably cyano groups.