LIGHT ELEMENT
    1.
    发明专利

    公开(公告)号:JP2002008866A

    公开(公告)日:2002-01-11

    申请号:JP2001117824

    申请日:2001-04-17

    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).

    LIGHT EMISSION ELEMENT
    2.
    发明专利

    公开(公告)号:JP2002050481A

    公开(公告)日:2002-02-15

    申请号:JP2000236645

    申请日:2000-08-04

    Abstract: PROBLEM TO BE SOLVED: To provide a light emission element which has high luminous efficiency, high brightness and excellent color purity. SOLUTION: Concerning the element emitting light by electrical energy in which a luminescence substance exists between a positive electrode and a negative electrode, the element includes an organic phosphor having a 3-substitution benzene skeleton substituted by a hydrocarbon aromatic series condensation ring including three or more ring structures.

    LIGHT EMITTING ELEMENT
    3.
    发明专利

    公开(公告)号:JP2001332384A

    公开(公告)日:2001-11-30

    申请号:JP2000148010

    申请日:2000-05-19

    Abstract: PROBLEM TO BE SOLVED: To provide a light emitting element which has high luminous efficiency; high luminance, and which is superior in chromatic purity. SOLUTION: This is an 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 a compound expressed in a formula (1). Here, R1 to R10 are selected respectively from hydrogen, alkyl group, cycloalkyl group, aralkyl group, alkenyl group, cycloalkenyl group, alkynyl group, hydroxyl group, mercapto group, alkoxy group, alkylthio group, aryl ether group, arylthio ether group, aryl group, heterocyclic group, halogen, haloalkane, haloalkene, haloalkyne, cyano group, aldehyde group, carbonyl group, carboxyl group, ester group, carbamoyl group, amino group, nitro group, silyl group, and siloxanyl group. Further, at least one of R1 to R10 is a substituted or unsubstituted aryl group, substituted or unsubstituted heterocyclic group, or electrophilc group.

    ORGANIC LIGHT-EMITTING ELEMENT
    4.
    发明公开
    ORGANIC LIGHT-EMITTING ELEMENT 审中-公开
    ORGANISCHES LICHTEMITTIERENDES ELEMENT

    公开(公告)号:EP3089232A4

    公开(公告)日:2017-06-21

    申请号:EP14874470

    申请日:2014-12-18

    Abstract: An organic light-emitting element, including a substrate, a first electrode, a light-emitting layer containing one organic or more layer film, and a light-emitting element of a second electrode. The light-emitting element is provided with a covering layer. For the organic material contained in covering layer, at least one point in the wavelength range between 430nm and 460nm the attenuation coefficient is greater than 0.10 while in the wavelength range of 460nm to 500nm its attenuation coefficient is 0.10 or below. The organic light-emitting element achieves high light-emitting efficiency and color reproducibility, and can be used as organic EL display, backlight source for liquid crystal display, illumination, light source for measurement devices, indication board or identificaion lamp etc.

    Abstract translation: 一种有机发光元件,其包括基板,第一电极,含有一层或多层有机膜的发光层以及第二电极的发光元件。 发光元件设置有覆盖层。 对于包含在覆盖层中的有机材料,波长范围在430nm和460nm之间的至少一个点的衰减系数大于0.10,而在460nm到500nm的波长范围内,其衰减系数为0.10或更小。 有机发光元件实现高发光效率和色彩再现性,可用作有机EL显示器,液晶显示器的背光源,照明,测量设备的光源,指示板或识别灯等。

    ELECTROLUMINESCENT ELEMENT
    7.
    发明专利

    公开(公告)号:JP2001307880A

    公开(公告)日:2001-11-02

    申请号:JP2000115392

    申请日:2000-04-17

    Abstract: PROBLEM TO BE SOLVED: To provide a red-color electroluminescent element which has a high utilization efficiency of electric energy, and which has a high luminance 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 a compound expressed in formula (1). Here, R1 to R8 may be either the same or may be different and selected from hydrogen, alkyl group, cycloalkyl group, aralkyl group, alkenyl group, cycloalkenyl group, alkynyl group, hydroxy group, mercapto group, alkoxy group, alkylthio group, aryl ether group, arylthio ether group, aryl group, heterocyclic group, halogen, haloalkane, haloalkene, haloalkyne, cyano group, aldehyde group, carbonyl group, carboxyl group, ester group, carbamoyl group, amino group, nitro group, silyl group, siloxanyl group, a ring structure formed between neighboring substituted groups. Further, at least one of R1 to R8 is aryl group.

    LIGHT EMITTING ELEMENT
    8.
    发明专利

    公开(公告)号:JP2002063988A

    公开(公告)日:2002-02-28

    申请号:JP2000250684

    申请日:2000-08-22

    Abstract: PROBLEM TO BE SOLVED: To provide a light emitting element having high luminous efficiency, high brightness, and excellent color purity. SOLUTION: The element emitting light with electrical energy has a luminescent substance between a positive electrode and a negative electrode. The element itself includes at least one sort of organic phosphors among an organic phosphor having a pyrene skeleton introduced with a substitution group having high volume, and an organic phosphor having the pyrene skeleton introduced with a substitution group which has a higher volume by three-dimensional solid rebounding against other substitution groups or the pyrene skeleton.

    LIGHT EMITTING ELEMENT
    9.
    发明专利

    公开(公告)号:JP2002050480A

    公开(公告)日:2002-02-15

    申请号:JP2000236644

    申请日:2000-08-04

    Abstract: PROBLEM TO BE SOLVED: To provide a light emitting element in which luminous efficiency is enhanced, and which is superior in a chromatic purity with a high luminance. SOLUTION: This is the organic electric field light emitting element wherein a light emitting substance exists between a positive electrode and a negative electrode, and the element has a fluorescent skeleton coupled by a single bond, and the respectively coupled fluoreseent skeleton includes an organic fluorescent material of a formula 1 having a stereoscopic repulsion. R1 to R18 are respectively selected from hydrogen, alkyl group, cycloalkyl group, aralkyl group, alkenyl group, cycloalkenyl group, alkynyl group, hydroxyl group, mercapto group, alkoxy group, alkylthio group, aryl ether group, arylthio ether group, aryl group, heterocyclic group, halogen, haloalkane, haloalkene, haloalkyne, cyano group, aldehyde group, carbonyl group, carboxyl group, ester group, carbamoyl group, amino group, nitro group, silyl group, siloxanyl group, and a bonding ring of aromatic, alicyclic or heterocyclic ring formed between an adjacent substituted group.

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