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    • 1. 发明授权
    • Polymer light emitting device
    • 聚合物发光装置
    • US06403236B1
    • 2002-06-11
    • US09145338
    • 1998-09-01
    • Toshihiro OhnishiTakanobu NoguchiShuji Doi
    • Toshihiro OhnishiTakanobu NoguchiShuji Doi
    • H05B3300
    • H01L51/5012H01L51/0035H01L51/0038Y10S428/917Y10T428/24942
    • A polymer light emitting device at least having a light emitting layer containing a polymeric fluorescent substance and a charge transporting layer, wherein said polymeric fluorescent substance contains one or more kind of repeating units represented by the following formula (1), —Ar1—CR1═CR2—  (1) and said charge transporting layer contains an organic compound satisfying the following conditions 1 and 2 in an amount of from 1 to 70% by weight EOX2−0.15≦EOX1≦EOX2+0.10  (condition 1) &lgr;edge2−30≦&lgr;edge1≦&lgr;edge2+20  (condition 2) (wherein EOX1 and &lgr;edge1 respectively represent an electrochemically determined oxidation potential and an absorption edge wavelength of an absorption spectrum of said organic compound; EOX2 and &lgr;edge2 respectively represent an electrochemically determined oxidation potential and an absorption edge wavelength of an absorption spectrum of said polymeric fluorescent substance used in said light emitting layer; and the unit in the condition 1 is V and the unit in the condition 2 is nm). The polymer light emitting device has a long and excellent stability on driving.
    • 至少具有含有聚合物荧光物质和电荷输送层的发光层的聚合物发光元件,其中所述聚合物荧光物质含有一种以上由下式(1)表示的重复单元,所述电荷输送层 含有满足以下条件1和2的有机化合物的量为1至70重量%(其中EOX1和lambdedge1分别表示所述有机化合物的吸收光谱的电化学测定的氧化电位和吸收边缘波长; EOX2和 lambdedge2分别表示在所述发光层中使用的所述聚合物荧光物质的电化学测定的氧化电位和吸收光谱的吸收边缘波长;条件1中的单位为V,条件2中的单位为nm)。 聚合物发光装置在驱动时具有长且极好的稳定性。
    • 2. 发明授权
    • Polymeric fluorescent substance, production process thereof and organic
electrolumescence device
    • 聚合物荧光物质,其制备方法和有机电致发光器件
    • US5821002A
    • 1998-10-13
    • US593511
    • 1996-01-30
    • Toshihiro OhnishiTakanobu NoguchiShuji DoiMakiko Ohshima
    • Toshihiro OhnishiTakanobu NoguchiShuji DoiMakiko Ohshima
    • C08G61/00C09K11/06H05B33/14H05B33/00C08G61/02
    • H05B33/14C08G61/00C09K11/06Y10S428/917
    • Disclosed in this specification is a polymeric fluorescent substance which emits a fluorescence in a solid state, contains at least one kind of repeating unit represented by the following formula (1) with the amount of the formula (1) repeating units being at least 50 mole % based on the total repeating units, and has a polystyrene-reduced number-average molecular weight of 10.sup.3 -10.sup.7, characterized in that it has a monofunctional group represented by the following formula (2) at at least one terminal of the molecule: --Ar.sub.1 --CR.sub.1 .dbd.CR.sub.2 -- (1) �wherein Ar.sub.1 is an arylene group or a heterocyclic compound group having 4-20 carbon atoms taking part in conjugated bonds; R.sub.1 and R.sub.2 each are independently a group selected from the group consisting of a hydrogen atom, an alkyl group of 1-20 carbon atoms, an aryl group of 6-20 carbon atoms, a heterocyclic compound group of 4-20 carbon atoms and a cyano group!; --CR.sub.3 .dbd.CR.sub.4 --Ar.sub.2 ( 2) �wherein Ar.sub.2 is an aryl group or a heterocyclic compound group having 4-50 carbon atoms taking part in conjugated bonds; R.sub.3 and R.sub.4 each are independently a group selected from the group consisting of a hydrogen atom, an alkyl group of 1-20 carbon atoms, an aryl group of 6-20 carbon atoms, a heterocyclic compound group of 4-20 carbon atoms and a cyano group!.
    • 在本说明书中公开的是发出固体荧光的聚合物荧光物质,含有下式(1)表示的至少一种重复单元,式(1)的重复单元为至少50摩尔 %,基于聚合物重复单元的数均分子量为103〜107,其特征在于,在分子的至少一个末端具有下式(2)表示的单官能团: - Ar1-CR1 = CR2-(1)[其中Ar1是具有共轭键的4-20个碳原子的亚芳基或杂环化合物基团; R 1和R 2各自独立地为选自氢原子,1-20个碳原子的烷基,6-20个碳原子的芳基,4-20个碳原子的杂环化合物基团和 氰基]; -CR 3 = CR 4 -Ar 2(2)[其中Ar 2为芳基或具有4-50个碳原子的杂环化合物基团,作为共轭键; R 3和R 4各自独立地为选自氢原子,1-20个碳原子的烷基,6-20个碳原子的芳基,4-20个碳原子的杂环化合物基团和 氰基]。
    • 3. 发明授权
    • Polymeric fluorescent substance and organic electroluminescence devices
using the same
    • 聚合物荧光物质和使用其的有机电致发光器件
    • US5589320A
    • 1996-12-31
    • US274798
    • 1994-07-14
    • Toshihiro OhnishiTakanobu NoguchiShuji Doi
    • Toshihiro OhnishiTakanobu NoguchiShuji Doi
    • C08G61/00C09K11/06H05B33/14G03C5/00
    • H05B33/14C08G61/00C09K11/06
    • A polymeric fluorescent substance which is soluble, has a number-average molecular weight of 10.sup.3 -10.sup.7 and contains three different repeating units --Ar--CH.dbd.CH--, wherein Ar is a arylene group having 6-20 carbon atoms, a heterocyclic compound group having 4-20 carbon atoms or a divalent group --Ar.sub.1 --X.sub.1 --R--X.sub.2,--Ar.sub.2. At least one of the repeating units has at least one substituent selected from alkyl, alkoxy and alkylthio groups having 2-22 carbon atoms, aryl and aryloxy groups having 6-60 carbon atoms and heterocyclic compound groups having 4-60 carbon atoms. Ar.sub.1 and Ar.sub.2 are each an arylene group having 6-20 carbon atoms or a heterocyclic compound group having 4-20 carbon atoms and may contain at least one substituent selected from alkyl, alkoxyl and alkylthio groups having 2-22 carbon atoms, aryl and aryloxy groups having 6-60 carbon atoms and heterocyclic compound groups having 4-60 carbon atoms. R is a hydrocarbon or heterocyclic compound group having 1-22 carbon atoms. X.sub.1 and X.sub.2 independently represent --O--, --S--, --COO-- or --OCO--.
    • 可溶的聚合物荧光物质的数均分子量为103-107,含有三个不同的重复单元-Ar-CH = CH-,其中Ar为具有6-20个碳原子的亚芳基,杂环化合物基 具有4-20个碳原子或二价基团-Ar1-X1-R-X2,-Ar2。 至少一个重复单元具有至少一个选自具有2-22个碳原子的烷基,烷氧基和烷硫基,具有6-60个碳原子的芳基和芳氧基以及具有4-60个碳原子的杂环化合物基团的取代基。 Ar 1和Ar 2各自为具有6-20个碳原子的亚芳基或具有4-20个碳原子的杂环化合物基团,并且可以含有至少一个选自具有2-22个碳原子的烷基,烷氧基和烷硫基的取代基,芳基和芳氧基 具有6-60个碳原子的基团和具有4-60个碳原子的杂环化合物基团。 R是具有1-22个碳原子的烃或杂环化合物基团。 X1和X2独立地表示-O - , - S - , - COO-或-OCO-。
    • 4. 发明授权
    • Polymeric fluorescent substance and organic electroluminescence device
    • 聚合物荧光物质和有机电致发光器件
    • US5980781A
    • 1999-11-09
    • US36023
    • 1998-03-06
    • Shuji DoiTakanobu NoguchiToshihiro OhnishiMasamitsu Ishitobi
    • Shuji DoiTakanobu NoguchiToshihiro OhnishiMasamitsu Ishitobi
    • C08G61/00C09K11/06H01L51/30H01L51/50H05B33/14
    • H05B33/14C08G61/00C09K11/06H01L51/0035H01L51/0038H01L51/0043H01L51/5012Y10S428/917Y10T428/31504Y10T428/31678
    • Disclosed are an organic electroluminescence device having at least a light emitting layer between the electrodes consisting of one pair of an anode and a cathode, at least one of which electrodes is transparent or semi-transparent, wherein said light emitting layer comprises a polymeric fluorescent substance which emits a fluorescence in a solid state, is soluble in solvents and comprises at least one kind of repeating unit represented by the following formula (1) and at last one kind of repeating unit represented by the following formula (2) with the number of the formula (1) repeating units being 2-50% of the total number of all the repeating units:--Ar.sub.1 -- (1)--Ar.sub.2 -- (2)wherein Ar.sub.1 and Ar.sub.2 are each a bifunctional group forming a carbon--carbon bond with each of two adjacent groups, in the chemical structure of Ar.sub.1, the number of the consecutive atoms present in the shortest path between the two carbon atoms bonding to said two adjacent groups is 1, 3 or 5, and in the chemical structure of Ar.sub.2, the total number of the carbon and nitrogen atoms present in the shortest path between the two carbon atoms bonding to said two adjacent groups is an even number, and a novel polymeric fluorescent substance used in the above device.
    • 公开了一种有机电致发光器件,其具有在由一对阳极和阴极组成的电极之间的至少一个发光层,其中至少一个电极是透明或半透明的,其中所述发光层包含聚合物荧光物质 其发出固体荧光,可溶于溶剂中,并且包含由下式(1)表示的至少一种重复单元和最后一种由下式(2)表示的重复单元,其数目为 式(1)重复单元是全部重复单元总数的2-50%:-Ar1-(1)-Ar2-(2)其中Ar1和Ar2分别是形成碳 - 碳键的双官能团, 两个相邻基团中的每一个在Ar1的化学结构中,键合到所述两个相邻基团的两个碳原子之间的最短路径中存在的连续原子的数目是1,3或5,并且在化学结构 Ar2中,键合到所述两个相邻基团的两个碳原子之间的最短路径中存在的碳和氮原子的总数为偶数,并且在上述装置中使用的新颖的聚合物荧光物质。
    • 6. 发明授权
    • Polymer fluorescent substance and organic electroluminescence device
    • 聚合物荧光物质和有机电致发光器件
    • US06207301B1
    • 2001-03-27
    • US08912336
    • 1997-08-18
    • Toshihiro OhnishiTakanobu NoguchiShuji Doi
    • Toshihiro OhnishiTakanobu NoguchiShuji Doi
    • H05B3314
    • H05B33/14C09K11/06Y10S428/917
    • A polymeric fluorescent substance having visible fluorescence in a solid state and a polystyrene-reduced number-average molecular weight of 103 to 107, which contains at least one repeating unit represented by the following formula (1), —Ar1—CR1═CR2—  (1) wherein the sum of the repeating unit is from 10 to 100 mol % of the total number of the repeating units, Ar1 represents an arylene group having 4 to 20 carbon atoms taking part in conjugated bonds and containing at least one substituent represented by the following formula (2) as a nuclear substituent, or a heterocyclic compound group, having 4 to 20 carbon atoms taking part in conjugated bonds, and containing at least one substituent represented by the following formula (2) as a nuclear substituent; and R1 and R2 independently represent a group selected from the group consisting of hydrogen, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, a heterocyclic compound group having 4 to 20 carbon atoms and a cyano group, —(X)m—(CH2)n—Ar2  (2) wherein Ar2 represents a group selected from the group consisting of an aryl group and having 4 to 20 carbon atoms taking part in conjugated bonds, a heterocyclic compound group, having 4 to 20 carbon atoms taking part in the conjugated bonds, and an aliphatic cyclic hydrocarbon compound group having 6 to 20 carbon atoms constituting the ring; X represents O or S; m represents 0 or 1; and n represents an integer of 2 to 10. The polymeric fluorescent substance is excellent as a material for organic EL devices because of strong fluorescence and good thermal stability. Furthermore, an organic EL device using the polymeric fluorescent substance can be preferably used as a flat light source for back light or a device such as a flat panel display and the like because it is easily produced and exhibits excellent light emitting characteristics and a heat resistance.
    • 具有固态的可见荧光且聚苯乙烯换算的数均分子量为103〜107的聚合物荧光物质,其含有至少一个下述式(1)表示的重复单元,其中重复单元的和为 重复单元总数的10〜100摩尔%,Ar 1表示参与共轭键的含有4〜20个碳原子的亚芳基,并且含有至少一个下述式(2)表示的取代基作为核取代基, 或者含有共轭键的碳原子数为4〜20的杂环化合物基团,并且含有至少一个下述式(2)表示的取代基作为核取代基的杂环化合物基团。 R 1和R 2独立地表示选自氢,碳原子数1〜20的烷基,碳原子数6〜20的芳基,碳原子数4〜20的杂环化合物基和氰基的基团 其中Ar2表示选自芳基和参与共轭键的具有4〜20个碳原子的基团,具有共轭键的碳原子数为4〜20的杂环化合物基团,脂肪族环状 构成环的碳原子数为6〜20的烃化合物基团; X表示O或S; m表示0或1; n表示2〜10的整数。作为有机EL元件的材料,由于荧光强度高,热稳定性好,聚合物荧光体优异。 此外,使用聚合物荧光物质的有机EL器件可以优选用作背光的平坦光源或平板显示器等装置,因为它容易制造并且显示出优异的发光特性和耐热性 。
    • 7. 发明授权
    • Polymeric fluorescent substance and organic electroluminescence device
    • 聚合物荧光物质和有机电致发光器件
    • US5759709A
    • 1998-06-02
    • US397489
    • 1995-03-02
    • Shuji DoiTakanobu NoguchiToshihiro OhnishiMasamitsu Ishitobi
    • Shuji DoiTakanobu NoguchiToshihiro OhnishiMasamitsu Ishitobi
    • C08G61/00C09K11/06H01L51/30H01L51/50H05B33/14
    • H05B33/14C08G61/00C09K11/06H01L51/0035H01L51/0038H01L51/0043H01L51/5012Y10S428/917Y10T428/31504Y10T428/31678
    • An organic electroluminescence device having at least a light emitting layer between the electrodes consisting of one pair of an anode and a cathode, at least one of which electrodes is transparent or semi-transparent, wherein said light emitting layer comprises a polymeric fluorescent substance which emits a fluorescence in a solid state, is soluble in solvents and comprises at least one kind of repeating unit represented by the following formula (1) and at least one kind of repeating unit represented by the following formula (2) with the number of the formula (1) repeating units being 2-50% of the total number of all the repeating units: --Ar.sub.1 -- (1) --Ar.sub.2 -- (2) wherein Ar.sub.1 and Ar.sub.2 are each a bifunctional group forming a carbon--carbon bond with each of two adjacent groups, in the chemical structure of Ar.sub.1, the number of the consecutive atoms present in the shortest path between the two carbon atoms bonding to said two adjacent groups is 1, 3 or 5, and in the chemical structure of Ar.sub.2, the total number of the carbon and nitrogen atoms present in the shortest path between the two carbon atoms bonding to said two adjacent groups is an even number, and a novel polymeric fluorescent substance used in the above device.
    • 一种有机电致发光器件,其至少在由一对阳极和阴极组成的电极之间具有至少一个发光层,其中至少一个电极是透明或半透明的,其中所述发光层包括发射的聚合物荧光物质 固体荧光可溶于溶剂,并且包含由下式(1)表示的至少一种重复单元和由下式(2)表示的至少一种重复单元,式 (1)重复单元占全部重复单元总数的2-50%:-Ar1-(1)-Ar2-(2)其中Ar1和Ar2分别是形成碳 - 碳键的双官能团, 两个相邻基团,在Ar1的化学结构中,键合到所述两个相邻基团的两个碳原子之间的最短路径中存在的连续原子的数目是1,3或5,并且在Ar2的化学结构中 存在于键合到所述两个相邻基团的两个碳原子之间的最短路径中的碳原子数和氮原子数为偶数,并且在上述装置中使用新颖的聚合物荧光物质。