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    LUMINOUS ELEMENT
    31.
    发明专利
    LUMINOUS ELEMENT 失效

    公开(公告)号：JP2001313175A

    公开(公告)日：2001-11-09

    申请号：JP2000129396

    申请日：2000-04-28

    Applicant: TORAY INDUSTRIES

    Inventor： KOHAMA TORU ,  TOMINAGA TAKESHI ,  MURASE SEIICHIRO

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

    Abstract: PROBLEM TO BE SOLVED: To provide a red color light emitting element with excellent color purity and high energy efficiency. SOLUTION: The element, having a luminous material between an anode and a cathode, illuminating with the peak wave length of more than 580 nm and less than 720 nm by electric energy, includes at least a fluorescent compound and a fused ring ketone derivative with the fluorescence peak wave length of more than 540 nm and less than 720 nm.

    ELECTOLUMINISCENT ELEMENT
    32.
    发明专利
    ELECTOLUMINISCENT ELEMENT 失效

    公开(公告)号：JP2001307884A

    公开(公告)日：2001-11-02

    申请号：JP2000125277

    申请日：2000-04-26

    Applicant: TORAY INDUSTRIES

    Inventor： TOMINAGA TAKESHI ,  MURASE SEIICHIRO ,  KOHAMA TORU

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

    Abstract: PROBLEM TO BE SOLVED: To provide a red-color electroluminescent element which has a high utilization efficiency of electric energy, and which is superior in the chromatic purity. SOLUTION: This is the element in which a luminescent substance exists between a positive electrode and a negative electrode, and which emits light by the electric energy, and the element contains distyryl compound expressed in formula (1) and fluorescent compound having, a fluorescent peak wave 580 to 720 nm. Ar is a benzene ring having condensed aromatic ring or electron- attractive group, R1 to R4 which may be either the same or may be different and they are substituted or unsubstituted aryl group, alkyl group, condensed ring or aliphatic ring formed between neighboring substituted groups, and R5 to R16 which may be either the same or may be different and they are hydrogen, alkyl, alkoxy, halogen, aryl, amino, cyano, condensed ring or aliphatic ring formed between neighboring substituted groups.

    LUMINESCENT ELEMENT
    38.
    发明专利
    LUMINESCENT ELEMENT 失效

    公开(公告)号：JP2001338764A

    公开(公告)日：2001-12-07

    申请号：JP2000159883

    申请日：2000-05-30

    Applicant: TORAY INDUSTRIES

    Inventor： KOHAMA TORU ,  TOMINAGA TAKESHI ,  MURASE SEIICHIRO

    IPC: H01L51/50 ,  C07D241/42 ,  C07D333/20 ,  C07D471/04 ,  C07D471/06 ,  C09K11/06 ,  H05B33/14

    Abstract: PROBLEM TO BE SOLVED: To provide a red luminescent element which is superior in electrical energy efficiency and in color purity. SOLUTION: This luminescent element includes a luminescent substance present between a positive electrode and a negative electrode and emits light, having a peak wavelength of 580-720 nm. The luminescent element contains at least a fluorescent compound, having a fluorescent peak wavelength of 540-720 nm and a condensed ring derivative. The condensed ring derivative is expressed by general formula 1, where R1-R16 is hydrogen, alkyl, alkoxy, halogen, aryl, aralkyl, alkenyl, aryl ether, heterocycle, cyano, aldehyde, carbonyl, ester, carbamoyl, amino or an aromatic, aliphatic or heterocyclic condensed ring formed between an adjacent substituted group and itself.

    LUMINOUS ELEMENT
    39.
    发明专利
    LUMINOUS ELEMENT 失效

    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.

    LIGHT EMITTING ELEMENT
    40.
    发明专利
    LIGHT EMITTING ELEMENT 审中-公开

    公开(公告)号：JP2003151773A

    公开(公告)日：2003-05-23

    申请号：JP2001347377

    申请日：2001-11-13

    Applicant: TORAY INDUSTRIES

    Inventor： MURASE SEIICHIRO ,  TOMINAGA TAKESHI ,  KOHAMA TORU

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

    Abstract: PROBLEM TO BE SOLVED: To provide a light emitting element exhibiting high-brightness red emission. SOLUTION: The light emitting element has a luminescent material existing between an anode and a cathode and emits light using electric energy. The light emitting element contains a fluorescent material and a phosphorescent material which meet the relation: T1 >=S1 (singlet energy of the fluorescent material: S1 and triplet energy of the phosphorescent material: T1 ).

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