公开(公告)号：US11269229B2

公开(公告)日：2022-03-08

申请号：US16484713

申请日：2018-02-13

申请人： Ricoh Company, Ltd.

发明人： Yoshinori Okada ,  Keigo Takauji ,  Satoshi Yamamoto ,  Daisuke Goto ,  Toshiya Sagisaka ,  Masato Shinoda ,  Kazuaki Tsuji ,  Fuminari Kaneko ,  Tohru Yashiro ,  Mamiko Inoue ,  Yuto Matsuoka ,  Naoki Ura

IPC分类号： G02F1/1516 ,  G02F1/1523 ,  G02F1/155

摘要： Provided is an electrochromic display device including a pair of supporting substrates facing each other, a pair of electrodes each disposed on the supporting substrate and facing each other, an electrochromic display layer disposed in contact with at least one of the pair of the electrodes, and an electrolyte layer disposed between the pair of the electrode, wherein the electrochromic display layer includes a plurality of electrochromic layers exhibiting mutually different coloring colors, and the plurality of the electrochromic layers are laminated on the electrode at least in a partial area of the electrode.

公开(公告)号：US11859131B2

公开(公告)日：2024-01-02

申请号：US17661870

申请日：2022-05-03

申请人： Ricoh Company, Ltd.

发明人： Daisuke Goto ,  Masato Shinoda ,  Toshiya Sagisaka ,  Yuto Matsuoka ,  Fuminari Kaneko

IPC分类号： C09K9/02 ,  G02F1/155 ,  G02F1/1516

CPC分类号： C09K9/02 ,  G02F1/155 ,  G02F1/15165 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1022 ,  G02F2201/12

摘要： An electrochromic compound has a structure represented by the following general formula (1):




where each of X1 to X3 independently represents a carbon atom or a silicon atom, and each of R1 to R15 independently represents a member selected from a hydrogen atom, a halogen atom, a monovalent organic group, and a polymerizable functional group.

公开(公告)号：US10988684B2

公开(公告)日：2021-04-27

申请号：US15554289

申请日：2016-02-09

申请人： RICOH COMPANY, LTD.

发明人： Toshiya Sagisaka ,  Satoshi Yamamoto ,  Takashi Okada ,  Masato Shinoda ,  Shigenobu Hirano ,  Fuminari Kaneko ,  Mamiko Inoue ,  Daisuke Goto ,  Tohru Yashiro

IPC分类号： C09K9/02 ,  C07F9/6558 ,  G02F1/15 ,  G02F1/153 ,  C07F9/58 ,  G02F1/155 ,  G02F1/1516

摘要： To provide an electrochromic compound represented by the following general formula (1) where X1 and X2 are each independently a carbon atom or a nitrogen atom, R1, R2 and R3 are each independently a halogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted alkoxy group, x is an integer selected from 0 through 3, y and z are each independently an integer selected from 0 through 4, and at least one of L1 and L2 is a monovalent functional group bonded to a nitrogen atom of a pyridinium ring directly, or via a divalent substituent.

公开(公告)号：US12091612B2

公开(公告)日：2024-09-17

申请号：US17197315

申请日：2021-03-10

申请人： Ricoh Company, Ltd.

发明人： Daisuke Goto ,  Fuminari Kaneko ,  Masato Shinoda

IPC分类号： C09K9/02 ,  C08F22/22 ,  G02F1/1516 ,  G02F1/155 ,  G02F1/15

CPC分类号： C09K9/02 ,  C08F22/22 ,  G02F1/15165 ,  G02F1/155 ,  C09K2211/1425 ,  C09K2211/1433 ,  G02F2001/164

摘要： An electrochromic element including a first electrode, second electrode facing the first electrode with gap, electrolyte layer between the first and second electrodes, and layer including a compound represented by General Formula (1) where the layer is on or above the first electrode,




where R1 to R4 are each a monovalent organic group wherein no hydrogen atom is at a benzyl site where the monovalent group may include a polymerizable functional group; and R5 to R28 are each a hydrogen atom, alkyl or alkoxy group where R25 and R28, or R26 and R27 may be bonded to form a structure represented by General Formula (2),





where R29 and R30 are each an alkyl, alkoxy or aryl group, and R29 and R30 may be bonded via a common bond to form a cyclic structure when R29 and R30 are aryl groups.

公开(公告)号：US11970662B2

公开(公告)日：2024-04-30

申请号：US16941732

申请日：2020-07-29

申请人： Ricoh Company, Ltd.

发明人： Fuminari Kaneko ,  Daisuke Goto ,  Masato Shinoda ,  Ryo Kawamura ,  Naru Tanaka ,  Tohru Yashiro ,  Mamiko Inoue ,  Naoki Ura

IPC分类号： C09K9/02 ,  C07C313/06 ,  C07F9/58 ,  G02F1/1516

CPC分类号： C09K9/02 ,  C07C313/06 ,  C07F9/58 ,  G02F1/15165 ,  C09K2211/1007 ,  C09K2211/1018

摘要： An electrochromic element including: a first electrode; a second electrode disposed to face the first electrode with a gap between the first electrode and the second electrode; a first electrochromic layer disposed on or above the first electrode, including conductor or semiconductor nano-structures and an electrochromic compound; and an electrolyte layer including an electrolyte, disposed between the first electrochromic layer and the second electrode, wherein the electrochromic compound is a compound represented by General Formula 1, and an anion of the electrolyte is a monovalent anion having oxidation potential higher than reduction potential of a dication of General Formula 1 by 3.1 V or greater,




where X− is a monovalent anion having oxidation potential higher than reduction potential of the dication of General Formula 1 by 3.1 V or greater and W2+ is the dication represented by General Formula 2,

公开(公告)号：US11370963B2

公开(公告)日：2022-06-28

申请号：US17259427

申请日：2019-07-24

申请人： RICOH COMPANY, LTD.

发明人： Daisuke Goto ,  Masato Shinoda ,  Toshiya Sagisaka ,  Yuto Matsuoka ,  Fuminari Kaneko

IPC分类号： C09K9/02 ,  G02F1/155 ,  G02F1/1516

摘要： An electrochromic compound having a structure represented by the following general formula (1): where each of X1 to X3 independently represents a carbon atom or a silicon atom, and each of R1 to R15 independently represents a member selected from the group consisting of a hydrogen atom, a halogen atom, a monovalent organic group, and a polymerizable functional group.

公开(公告)号：US10935862B2

公开(公告)日：2021-03-02

申请号：US16692002

申请日：2019-11-22

申请人： Ricoh Company, Ltd.

发明人： Satoshi Yamamoto ,  Daisuke Goto ,  Toshiya Sagisaka ,  Masato Shinoda ,  Mamiko Inoue ,  Fuminari Kaneko ,  Tohru Yashiro

IPC分类号： G02F1/1516 ,  C07D265/28 ,  C09K9/02 ,  C08F20/36 ,  C07D265/38 ,  G09F9/30

摘要： Provided is an electrochromic compound represented by the following general formula (I) or (II) where R1 to R13 are each independently a hydrogen atom, a halogen atom, a monovalent organic group, or a polymerizable functional group, and at least one of the R1 to the R13 is a polymerizable functional group.

公开(公告)号：US20220290041A1

公开(公告)日：2022-09-15

申请号：US17661870

申请日：2022-05-03

申请人： Ricoh Company, Ltd.

发明人： Daisuke Goto ,  Masato Shinoda ,  Toshiya Sagisaka ,  Yuto Matsuoka ,  Fuminari Kaneko

IPC分类号： C09K9/02 ,  G02F1/1516 ,  G02F1/155

摘要： An electrochromic compound has a structure represented by the following general formula (1): where each of X1 to X3 independently represents a carbon atom or a silicon atom, and each of R1 to R15 independently represents a member selected from a hydrogen atom, a halogen atom, a monovalent organic group, and a polymerizable functional group.

公开(公告)号：US10011684B2

公开(公告)日：2018-07-03

申请号：US14747312

申请日：2015-06-23

申请人： Ricoh Company, Ltd.

发明人： Toshiya Sagisaka ,  Takashi Okada ,  Masaomi Sasaki ,  Masafumi Torii ,  Takuji Kato ,  Tamotsu Aruga ,  Satoshi Yamamoto ,  Daisuke Goto ,  Shinji Matsumoto

IPC分类号： H01L51/30 ,  C08G73/02 ,  C08G61/12 ,  C09D11/102 ,  C09D179/02 ,  H01L51/00 ,  C09K11/06 ,  H05B33/10 ,  H05B33/14 ,  H01L51/05

CPC分类号： C08G73/0266 ,  C08G61/12 ,  C08G73/02 ,  C08G73/026 ,  C08G2261/3162 ,  C08G2261/3422 ,  C08G2261/90 ,  C09D11/102 ,  C09D179/02 ,  C09K11/06 ,  C09K2211/1416 ,  C09K2211/1425 ,  C09K2211/1433 ,  C09K2211/1458 ,  H01L51/0035 ,  H01L51/0541 ,  H01L51/0545 ,  H05B33/10 ,  H05B33/14

摘要： A polymer containing a repeating unit expressed by General Formula (I): where Ar1 represents a substituted or unsubstituted aromatic hydrocarbon group; Ar2 and Ar3 independently represent a divalent group of a substituted or unsubstituted aromatic hydrocarbon group; and R1 and R2 each independently represent a hydrogen atom, substituted or unsubstituted alkyl group, or substituted or unsubstituted aromatic hydrocarbon group.