公开(公告)号：JP2001196181A

公开(公告)日：2001-07-19

申请号：JP2000006934

申请日：2000-01-14

Applicant: TORAY INDUSTRIES

Inventor： KOHAMA TORU ,  MAKIYAMA AKIRA ,  KITAZAWA DAISUKE

IPC: G09F9/30 ,  C09K11/06 ,  H01L27/32 ,  H01L51/50 ,  H05B33/14 ,  H05B33/22

Abstract: PROBLEM TO BE SOLVED: To provide a luminous device which is excellent in brightness, color purity and a high luminous emission efficiency. SOLUTION: The device in which a luminescence substance exists between a positive electrode and a negative electrode and emits light by electrical energy, is a luminous device containing an organic phosphor which has an imidaso heterocyclic frame expressed with formula (1). R1-R2 may be same or may differ from each other respectively and they are chosen here from hydrogen, an alkyl group, a cycloalxyl group, an aralkyl group, an alkenyl group, a cycloalkenyl group, a alkynyl group, a hydroxyl group, a mercapto group, an alkoxyl group, an alkylthio group, an arylether group, an arylthioether group, an aryl group, a heterocyclic group, halogen, a haloalkane, a haloalkene, a haloalkyne, a cyan group, an aldehyde group, a carbonyl group, a carboxyl group, an ester group, a carbamoyl group, an amino group, a nitro group, a silyl group, and a siloxanyl group. Ar1 expresses the heterocylce.

公开(公告)号：JP2001135480A

公开(公告)日：2001-05-18

申请号：JP31218899

申请日：1999-11-02

Applicant: TORAY INDUSTRIES

Inventor： KITAZAWA DAISUKE ,  MAKIYAMA AKIRA ,  KOHAMA TORU

IPC: C09K11/06 ,  H01L51/50 ,  H05B33/14 ,  H05B33/22

Abstract: PROBLEM TO BE SOLVED: To provide a light-emitting element which has high light-emitting efficiency and excellent color-purity. SOLUTION: This is a light-emitting element in which a substance conducting light emission exists between positive electrode and negative electrode and which emits light by electric energy. It is characterized that the light-emitting element contains a metallic complex composed of ligands having dipyridyl-amine skeleton.

公开(公告)号：JP2000208271A

公开(公告)日：2000-07-28

申请号：JP23823799

申请日：1999-08-25

Applicant: TORAY INDUSTRIES

Inventor： TAKANO AKIKO ,  TOMINAGA TAKESHI ,  HIMESHIMA YOSHIO ,  KITAZAWA DAISUKE

IPC: C09K11/06 ,  G09F13/22 ,  H01L51/50 ,  H05B33/14

Abstract: PROBLEM TO BE SOLVED: To provide a red light emitting element having high color purity by including at least a syrrole derivative having a fluorescence peak wave length being in a specific range and a compound having a pyrromethene skeleton or the metallic complex. SOLUTION: A light emitting material emits the light in a peak wave length of 580 nm to 720 nm by electric energy. This light emitting material includes a syrrole derivative having a fluorescence peak wave length of 540 nm to 720 nm and a compound having a pyrromethene skeleton or the metallic complex. The pyrromethene skeleton is expressed by the formula. In the formula, R1 to R7 may be the same or may be different, and are hydrogen, alkyl, alkoxy, halogen, aryl, aralkyl, alkenyl or the like, X is carbon or nitrogen, but in the case of nitrogen, R7 does not exist. B, Be, Mg, Cr, Fe, Co, Ni, Cu, Zn, Pt or the like are preferably cited as metal capable of coordinating with the metallic complex.

公开(公告)号：JP2000208269A

公开(公告)日：2000-07-28

申请号：JP23656499

申请日：1999-08-24

Applicant: TORAY INDUSTRIES

Inventor： TOMINAGA TAKESHI ,  KITAZAWA DAISUKE ,  HIMESHIMA YOSHIO

IPC: C09K11/06 ,  G09F13/22 ,  H01L51/50 ,  H05B33/14

Abstract: PROBLEM TO BE SOLVED: To provide a red light emitting element having high color purity by including at least a perinone derivative having a fluorescence peak wave length being in a specific range and a compound having a pyrromethene skeleton or the metallic complex. SOLUTION: A light emitting material emits the light in a peak wave length of 580 nm to 720 nm by electric energy. This light emitting material includes a perinone derivative having a florescence peak wave length of 540 nm to 730 nm and a compound having a pyrromethene skeleton or the metallic complex. The pyrromethene skeleton is expressed by the formula. In the formula, R1 to R7 may be same or may be different, and are hydrogen, alkyl, alkoxy, halogen, aryl, aralkyl, alkenyl or the like, X is carbon or nitrogen, but in the case of nitrogen, R7 does not exist. B, Be, Mg, Cr, Fe, Co, Ni, Cu, Zn, Pt or the like are preferably cited as metal capable of coordinating with the metallic complex.

公开(公告)号：JP2000123972A

公开(公告)日：2000-04-28

申请号：JP29707498

申请日：1998-10-19

Applicant: TORAY INDUSTRIES

Inventor： TOMINAGA TAKESHI ,  HIMESHIMA YOSHIO ,  KITAZAWA DAISUKE

IPC: G09F9/30 ,  C09K11/06 ,  G09F13/22 ,  H01L51/50 ,  H05B33/14 ,  H05B33/22

Abstract: PROBLEM TO BE SOLVED: To heighten luminance and attain light emission of long wavelength by comprising a heterocyclic organic compound or its metallic complex. SOLUTION: A light emitting element comprises a compound expressed by a formula I or its metallic complex. In the formula I, R1-R6 can be the same or different and represent hydrogen, an alkyl group, a cycloalkyl group, and the like, and at least one of R1-R6 is a group expressed by a formula II. In the formula II, at least one of R7-R9 is a heterocyclic group, and the rest is hydrogen, an alkyl group, a cycloalkyl group, and the like, R7-R9 can be the same or different. As metal in a metallic complex of this compound, there are included Na, Li, B, Be, Mg, Al, Ga, Cr, Fe, Co, Ni, Cu, Zn, In, Tl, Pt. It is preferable that the peak of emission wavelength when the light emitting element is formed of this compound is wavelength longer than 580 nm.

公开(公告)号：JP2006342167A

公开(公告)日：2006-12-21

申请号：JP2006166948

申请日：2006-06-16

Applicant: TORAY INDUSTRIES ,  CIBA SC HOLDING AG

Inventor： TOMINAGA TAKESHI ,  KITAZAWA DAISUKE ,  TAKANO AKIKO ,  MURASE SEIICHIRO

IPC: C07D487/04 ,  C07F7/08 ,  C09K11/06 ,  H01L51/50

Abstract: PROBLEM TO BE SOLVED: To provide a light-emitting element having high utilization efficiency of electrical energy and high brightness. SOLUTION: The light-emitting element comprises a luminescent material present between an anode and a cathode and emits light with the electrical energy. The light-emitting element is characterized as comprising a diketopyrrolo[4,3-c]pyrrole derivative represented by general formula (4). COPYRIGHT: (C)2007,JPO&INPIT

公开(公告)号：JP2002285068A

公开(公告)日：2002-10-03

申请号：JP2001089514

申请日：2001-03-27

Applicant: TORAY INDUSTRIES

Inventor： KITAZAWA DAISUKE ,  EGUCHI MASUICHI

IPC: G02B5/20 ,  B01F17/22 ,  B01F17/52 ,  C08K5/00 ,  C08L79/08 ,  C09B67/20 ,  C09B67/46 ,  C09C3/10 ,  C09D17/00 ,  C09D179/08 ,  C09D201/02 ,  G02B5/22 ,  G02F1/1335

Abstract: PROBLEM TO BE SOLVED: To provide a pigment dispersion having good dispersion stability of the pigment, and to provide a color paste having good dispersion stability of the pigment and a color filter having a pixel excellent in transmittance, contrast and surface smoothness. SOLUTION: The pigment dispersion comprises a polymer having a basic group in a side chain. The color paste is prepared using the pigment dispersion. The color filter is prepared using the color paste.

公开(公告)号：JP2002285031A

公开(公告)日：2002-10-03

申请号：JP2001089515

申请日：2001-03-27

Applicant: TORAY INDUSTRIES

Inventor： KITAZAWA DAISUKE ,  EGUCHI MASUICHI

IPC: G03F7/004 ,  C09B67/20 ,  C09B67/46 ,  C09C3/10 ,  C09D17/00 ,  C09D179/08 ,  C09D201/02 ,  G02B5/20

Abstract: PROBLEM TO BE SOLVED: To provide a pigment dispersion liquid with excellent stability in dispersing a pigment, a color paste with the excellent stability in dispersing the pigment and a color filter having a pixel with excellent transmittance, contrast and surface smoothness. SOLUTION: The pigment dispersion liquid includes a polymer with a basic aromatic ring. The color paste is prepared by using the pigment dispersion liquid. The color filter is made by using the color paste.

公开(公告)号：JP2002008866A

公开(公告)日：2002-01-11

申请号：JP2001117824

申请日：2001-04-17

Applicant: TORAY INDUSTRIES

Inventor： KOHAMA TORU ,  KITAZAWA DAISUKE ,  NISHIYAMA TAKUYA

IPC: H01L51/50 ,  C09K11/06 ,  H05B33/14

Abstract: PROBLEM TO BE SOLVED: To provide a light emitting element of high electric energy utilization efficiency, high luminance, and high color purity. SOLUTION: This element includes a luminous substance between an anode and a cathode and emits light with electric energy. The element contains a compound described as the following general formula (1). (Herein, A is a spirobifluorene skeleton, B is a fluorescent skeleton, and n is any natural number of 1 to 4).

公开(公告)号：JP2001257077A

公开(公告)日：2001-09-21

申请号：JP2000397144

申请日：2000-12-27

Applicant: TORAY INDUSTRIES

Inventor： TOMINAGA TAKESHI ,  KITAZAWA DAISUKE ,  TAKANO AKIKO ,  MURASE SEIICHIRO

IPC: H01L51/50 ,  C09K11/06 ,  H05B33/14 ,  H05B33/18

Abstract: PROBLEM TO BE SOLVED: To provide a luminous element that has high utilization efficiency of electric energy, high brightness and high color purity. SOLUTION: The luminous element has a luminous substance between a positive electrode and a negative electrode and emits light by electric energy. The element emits light at a luminous peak wavelength of 580 nm or more and 720 nm or less and contains a compound as expressed in the following formula (1) and an organic luminous substance having a luminous peak wavelength of 580 nm or more and 720 nm or less; Formula (1), wherein, A is an organic luminescent structure, B is a substituted group of which isotropic rotation to A is limited by a cubic repulsion between A and B or B and B, and n is any of the natural number 1 to 4.