公开(公告)号：US12232420B2

公开(公告)日：2025-02-18

申请号：US17981689

申请日：2022-11-07

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Miki Kurihara ,  Hideko Yoshizumi ,  Satomi Watabe ,  Hiromitsu Kido ,  Satoshi Seo

IPC: H01L51/00 ,  C07D491/048 ,  H10K85/60 ,  H10K50/11 ,  H10K59/12 ,  H10K71/16

Abstract: A novel organic compound is provided. That is, a novel organic compound that is effective in improving reliability of a light-emitting element is provided. The organic compound includes a condensed ring including a pyrimidine ring and is represented by General Formula (G1). In General Formula (G1), A represents a group having 6 to 100 carbon atoms and includes at least one of an aromatic ring and a heteroaromatic ring. The aromatic ring and the heteroaromatic ring may each include a substituent. Furthermore, Q represents oxygen or sulfur. A ring X represents a substituted or unsubstituted naphthalene ring or a substituted or unsubstituted phenanthrene ring.

公开(公告)号：US11469380B2

公开(公告)日：2022-10-11

申请号：US16647602

申请日：2018-09-06

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Miki Kurihara ,  Hideko Yoshizumi ,  Hiromitsu Kido ,  Satomi Watabe ,  Satoshi Seo

IPC: C07D491/048 ,  H01L51/00 ,  C09K11/02 ,  H01L51/50

Abstract: A benzofuropyrimidine derivative or a benzothienopyrimidine derivative that is a novel organic compound is provided. The organic compound has a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton and is represented by General Formula (G1) below. In General Formula (G1), Q represents oxygen or sulfur. Each of A1 and A2 independently represents a substituted or unsubstituted polycyclic aromatic hydrocarbon. Furthermore, m represents any one of integers from 0 to 4. Furthermore, n represents any one of integers from 1 to 4. Each of R1 to R12 independently represents any one of hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 7 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms.

公开(公告)号：US11495753B2

公开(公告)日：2022-11-08

申请号：US16493842

申请日：2018-03-07

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Miki Kurihara ,  Hideko Yoshizumi ,  Satomi Watabe ,  Hiromitsu Kido ,  Satoshi Seo

IPC: C07D491/048 ,  H01L51/00 ,  H01L27/32 ,  H01L51/50

Abstract: A novel organic compound is provided. That is, a novel organic compound that is effective in improving reliability of a light-emitting element is provided. The organic compound includes a condensed ring including a pyrimidine ring and is represented by General Formula (G1). In General Formula (G1), A represents a group having 6 to 100 carbon atoms and includes at least one of an aromatic ring and a heteroaromatic ring. The aromatic ring and the heteroaromatic ring may each include a substituent. Furthermore, Q represents oxygen or sulfur. A ring X represents a substituted or unsubstituted naphthalene ring or a substituted or unsubstituted phenanthrene ring.

公开(公告)号：US12239010B2

公开(公告)日：2025-02-25

申请号：US17101101

申请日：2020-11-23

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Satoshi Seo ,  Hideko Inoue ,  Miki Kurihara ,  Yui Yamada ,  Tatsuyoshi Takahashi ,  Hiromitsu Kido

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06 ,  H10K50/11 ,  H10K85/30 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

Abstract: A novel organometallic complex with high reliability is provided. A light-emitting element includes an EL layer between a pair of electrodes. The EL layer includes at least a light-emitting layer. The light-emitting layer contains an organometallic complex. The organometallic complex includes a first ligand and a second ligand which are coordinated to a central metal. The HOMO is distributed over the first ligand, and the LUMO is distributed over the second ligand. The first ligand and the second ligand are cyclometalated ligands.

公开(公告)号：US12043624B2

公开(公告)日：2024-07-23

申请号：US16621070

申请日：2018-06-12

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Miki Kurihara ,  Tomoka Hara ,  Hideko Yoshizumi ,  Satomi Watabe ,  Hiromitsu Kido ,  Satoshi Seo

IPC: C07D491/048 ,  H10K50/11 ,  H10K85/60 ,  H10K101/10

CPC classification number: C07D491/048 ,  H10K85/622 ,  H10K85/6576 ,  H10K50/11 ,  H10K2101/10

Abstract: A novel organic compound is provided. That is, a novel organic compound that is effective in improving the element characteristics and reliability is provided. The organic compound has a benzofuropyrimidine skeleton or a benzothienopyrimidine skeleton and is represented by General Formula (G1). Note that in General Formula (G1), Q represents oxygen or sulfur; α represents a substituted or unsubstituted arylene group having 6 to 13 carbon atoms; n represents an integer of 0 to 4; A1 represents a group including an aryl group or a heteroaryl group and having 6 to 100 carbon atoms; R1 to R4 independently represent any one of hydrogen, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 7 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 13 carbon atoms; and A2 represents a condensed ring.

公开(公告)号：US20180083206A1

公开(公告)日：2018-03-22

申请号：US15710285

申请日：2017-09-20

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Miki Kurihara ,  Hideko Yoshizumi ,  Tatsuyoshi Takahashi ,  Hiromitsu Kido ,  Satoshi Seo

IPC: H01L51/00

CPC classification number: H01L51/0085 ,  C07D209/82 ,  C07D213/02 ,  H01L51/0067 ,  H01L51/5016

Abstract: A novel organometallic complex with high color purity is provided. An organometallic complex represented by General Formula (G1) includes iridium and a plurality of ligands each having a 2-phenylpyridine skeleton, and one or two of the ligands have a carbazole skeleton at the 4-position of the 2-phenylpyridine skeleton. (In the formula, R1 to R8 and R9 to R23 separately represent hydrogen, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 12 carbon atoms, and m is 1 or 2.)