OLED with high efficiency blue light-emitting layer
    1.
    发明授权
    OLED with high efficiency blue light-emitting layer 有权
    OLED具有高效蓝光发光层

    公开(公告)号:US08242489B2

    公开(公告)日:2012-08-14

    申请号:US12640100

    申请日:2009-12-17

    IPC分类号: H01L29/08

    摘要: The invention provides an OLED device comprising an anode, a cathode and a light-emitting layer located therebetween, said light-emitting layer comprising an anthracene host and a styrylamine blue light-emitting compound; and, located between the said light-emitting layer and the cathode, a first electron-transporting layer that is greater than 0.5 nm and less than 5 nm thick; and a second electron-transporting layer consisting essentially of an anthracene located between the first electron-transporting layer and the cathode. The first electron-transporting layer includes a compound with a less negative LUMO level than the anthracene in the second electron-transporting layer. Devices of the invention provide improvement in features such as efficiency.

    摘要翻译: 本发明提供了一种OLED器件,其包括阳极,阴极和位于其间的发光层,所述发光层包含蒽主体和苯乙烯胺蓝发光化合物; 并且位于所述发光层和阴极之间,第一电子传输层大于0.5nm且小于5nm厚; 以及基本上由位于第一电子传输层和阴极之间的蒽组成的第二电子传输层。 第一电子传输层包括具有比第二电子传输层中的蒽更低的负LUMO能级的化合物。 本发明的装置提供诸如效率等特征的改进。

    White light-emitting device with improved doping
    2.
    发明授权
    White light-emitting device with improved doping 有权
    具有改善掺杂的白色发光器件

    公开(公告)号:US06875524B2

    公开(公告)日:2005-04-05

    申请号:US10644245

    申请日:2003-08-20

    摘要: Organic light-emitting diodes (OLEDs) that produce white light include an anode, a hole-transporting layer disposed over the anode, a blue light-emitting layer disposed over the hole-transporting layer, an electron-transporting layer disposed over the blue light-emitting layer, and a cathode disposed over the electron-transporting layer. The hole-transporting layer is doped with both a yellow-emitting and a red-emitting dopant. When used together with red, green, and blue color filters, the OLEDs produce red, green, and blue light with good color quality and high efficiency. Also disclosed are multicolor display devices utilizing the OLEDs together with color filters or together with both color filters and liquid-crystal light valves.

    摘要翻译: 产生白光的有机发光二极管(OLED)包括阳极,设置在阳极上的空穴传输层,设置在空穴传输层上的蓝色发光层,设置在蓝色光上的电子传输层 并且设置在电子传输层上的阴极。 空穴传输层掺杂有黄色发射和发射红色的掺杂剂。 当与红色,绿色和蓝色滤色器一起使用时,OLED产生红色,绿色和蓝色光,具有良好的色彩质量和高效率。 还公开了使用OLED与滤色器一起使用的彩色显示装置,或与彩色滤光片和液晶光阀一起使用的多色显示装置。

    Organic light emitting diode devices with improved luminance efficiency
    3.
    发明授权
    Organic light emitting diode devices with improved luminance efficiency 有权
    有机发光二极管器件具有改善的发光效率

    公开(公告)号:US06720090B2

    公开(公告)日:2004-04-13

    申请号:US09753091

    申请日:2001-01-02

    IPC分类号: H05B3314

    摘要: An organic light emitting device includes a substrate, an anode and a cathode disposed over the substrate; a luminescent layer disposed between the anode and the cathode wherein the luminescent layer includes a host and at least one dopant; the host of the luminescent layer being selected to include a solid organic material comprising a mixture of at least two components wherein the first component of the mixture is an organic compound that is capable of transporting both electrons and holes and that is substantially non-polar; and the second component of the mixture is an organic compound that is more polar than the first component; and the dopant of the luminescent layer being selected to produce light from the light emitting device.

    摘要翻译: 有机发光器件包括衬底,阳极和设置在衬底上的阴极; 设置在阳极和阴极之间的发光层,其中发光层包括主体和至少一种掺杂剂; 发光层的主体被选择为包括包含至少两种组分的混合物的固体有机材料,其中混合物的第一组分是能够传输电子和空穴两者并且基本上是非极性的有机化合物; 并且混合物的第二组分是比第一组分更极性的有机化合物; 并且选择发光层的掺杂剂以产生来自发光器件的光。

    Cyclic bis-dicarboximide electron transport compounds for
electrophotography
    4.
    发明授权
    Cyclic bis-dicarboximide electron transport compounds for electrophotography 失效
    用于电子照相的环状双二碳酰亚胺电子传输化合物

    公开(公告)号:US5468583A

    公开(公告)日:1995-11-21

    申请号:US365524

    申请日:1994-12-28

    摘要: This invention provides: A photoconductor element comprising:an electrically conductive layer, a charge generating material and an electron transport agent in a polymeric binder, said electron transport agent comprising at least one cyclic bis-dicarboximide compound of Formula (I): ##STR1## wherein: Q.sup.1 and Q.sup.2, which may be the same or different, represent branched alkyl; unsubstituted straight-chain alkyl; unsubstituted cyclic alkyl; alkyl-substituted cyclic alkyl; unsubstituted, straight-chain, unsaturated alkyl; or H, wherein Q.sup.1 and Q.sup.2 cannot both be H; andR.sup.1, R.sup.2, R.sup.3, and R.sup.4, which may be the same or different, represent hydrogen, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, or halogen.

    摘要翻译: 本发明提供:一种光电导体元件,包括:导电层,电荷产生材料和聚合物粘合剂中的电子传输剂,所述电子传输剂包含至少一种式(I)的环状双二碳酰亚胺化合物: (I)其中:Q1和Q2可以相同或不同,表示支链烷基; 未取代的直链烷基; 未取代的环烷基; 烷基取代的环烷基; 未取代的直链,不饱和烷基; 或H,其中Q1和Q2不能都是H; 和可以相同或不同的R 1,R 2,R 3和R 4表示氢,具有1至4个碳原子的烷基,具有1至4个碳原子的烷氧基或卤素。

    Aromatic heterocyclic-substituted cyclic sulfone compounds and
electrophotographic elements containing them
    5.
    发明授权
    Aromatic heterocyclic-substituted cyclic sulfone compounds and electrophotographic elements containing them 失效
    芳族杂环取代的环状砜化合物和含有它们的电子照相元件

    公开(公告)号:US5300385A

    公开(公告)日:1994-04-05

    申请号:US976911

    申请日:1992-11-16

    IPC分类号: C07D409/04 G03G5/06 G03G5/047

    CPC分类号: C07D409/04 G03G5/0661

    摘要: Certain chemical compounds, which are aromatic heterocyclic-substituted derivatives of 4H-thiopyran-1,1,-dioxide given by the formula (I) wherein Het is a substituted or unsubstituted heterocyclic ring system containing at least one 5-membered heterocyclic aromatic ring; and R is an alkyl, aralkyl, or cycloalkyl group of 1 to about 10 carbon atoms, or an aryl group of 6 to about 12 carbon atoms, or a substituted or unsubstituted heterocyclic ring system containing at least one 5-membered aromatic heterocyclic ring, are electron-transport agents. These compounds exhibit good speed and toe voltage properties in electrophotographic elements. ##STR1##

    摘要翻译: 某些化合物,其是由式(I)给出的4H-噻喃-1,1,1-二氧化物的芳族杂环取代衍生物,其中Het是含有至少一个5元杂环芳环的取代或未取代的杂环体系; 且R为1至约10个碳原子的烷基,芳烷基或环烷基,或6至约12个碳原子的芳基,或含有至少一个5元芳族杂环的取代或未取代的杂环体系, 是电子传递剂。 这些化合物在电子照相元件中表现出良好的速度和脚趾电压特性。 (*化学结构*)(I)

    Multiactive electrophotographic elements containing electron transport
agents
    6.
    发明授权
    Multiactive electrophotographic elements containing electron transport agents 失效
    含有电子传递剂的多活性电子照相元件

    公开(公告)号:US5272032A

    公开(公告)日:1993-12-21

    申请号:US167

    申请日:1993-01-04

    IPC分类号: G03G5/06 G03G5/047

    CPC分类号: G03G5/0629

    摘要: The invention provides a multiactive electrophotographic element comprising an electrically conductive substrate, a charge generation layer, and a charge transport layer, wherein the charge transport layer contains an electron transport agent having the structure: ##STR1## wherein J is H, Cl, Br, alkyl, alkoxy, aryl, or aryl further substituted with halo or alkyl; and wherein R is styryl, aryl, or heteroaryl in which the hetero atom is S or O, each of which R is unsubstituted or further substituted with alkyl, halo, alkoxy, nitro, hydroxy, cyano, trifluoromethyl, alkylsulfonyl, arylsulfonyl, alkoxycarbonyl, amino, alkylamino, dialkylamino, arylamino, or alkylarylamino.Such an element exhibits a good combination of electrophotographic performance properties.

    摘要翻译: 本发明提供一种多活性电子照相元件,其包括导电基底,电荷产生层和电荷输送层,其中电荷输送层含有具有以下结构的电子传输剂:其中J为H,Cl 进一步被卤素或烷基取代的Br,烷基,烷氧基,芳基或芳基; 卤素,烷氧基,硝基,羟基,氰基,三氟甲基,烷基磺酰基,芳基磺酰基,烷氧基羰基,烷氧基羰基,烷氧基羰基, 氨基,烷基氨基,二烷基氨基,芳基氨基或烷基芳基氨基。 这种元件表现出电子照相性能特性的良好组合。

    Polyester-imides in electrophotographic elements
    7.
    发明授权
    Polyester-imides in electrophotographic elements 失效
    聚酯酰亚胺在电子照相元件中

    公开(公告)号:US5266429A

    公开(公告)日:1993-11-30

    申请号:US992304

    申请日:1992-12-21

    摘要: An electrophotographic element comprises a polyester-imide that includes a dioxy component and a dicarbonyl component, one of which components contains an aromatic tetracarbonyldiimide group, and has the formula ##STR1## wherein Ar.sup.1 represents a tetravalent aromatic group having 6 to about 20 carbon atoms, R.sup.1 and R.sup.2 each independently represents an alkylene group having 2 to about 12 carbon atoms, L.sup.1 and L.sup.2 represent O or C.dbd.O; when L.sup.1 and L.sup.2 are O, Z.sup.1 and Z.sup.2 each independently represents an aromatic or aliphatic dicarbonyl group having about 4 to about 12 carbon atoms and Q represents an alkylenedioxy group having 2 to about 25 carbon atoms or ##STR2## wherein Ar.sup.2 represents a tetravalent aromatic group having 6 to about 20 carbon atoms that may be the same as or different from Ar.sup.1, R.sup.3 and R.sup.4 each independently represents an alkylene group having 2 to about 12 carbon atoms; and L.sup.3 and L.sup.4 are O; or when L.sup.1 and L.sup.2 are C.dbd.O, Z.sup.1 and Z.sup.2 each independently represent an alkylenedioxy group having 2 to about 25 carbon atoms and Q represents an aromatic or aliphatic dicarbonyl group having about 4 to about 12 carbon atoms or ##STR3## wherein Ar.sup.2, R.sup.3 and R.sup.4 are as defined above, and L.sup.3 and L.sup.4 are C.dbd.O; x represents the mole fraction of the dioxy or dicarbonyl component of the polyester-amide that contains the tetravalent aromatic group Ar.sup.1, and y represents the mole fraction of the dioxy or dicarbonyl component of the polyester-imide that contains Z.sup.1, wherein x is 0.05 to 1 and y is 0 to 0.95.

    摘要翻译: 电子照相元件包括包含二氧基组分和二羰基组分的聚酯酰亚胺,其中一种组分含有芳族四羰基二酰亚胺基团,并具有式(I)其中Ar 1表示具有6至约20个的四价芳族基团 碳原子,R 1和R 2各自独立地表示具有2至约12个碳原子的亚烷基,L 1和L 2表示O或C = O; 当L1和L2为O时,Z1和Z2各自独立地表示具有约4至约12个碳原子的芳族或脂族二羰基,Q表示具有2至约25个碳原子的亚烷基二氧基,或者其中Ar 2表示四价芳族 具有6至约20个碳原子的可以与Ar 1相同或不同的基团,R 3和R 4各自独立地表示具有2至约12个碳原子的亚烷基; L3和L4为O; 或者当L1和L2为C = O时,Z1和Z2各自独立地表示具有2至约25个碳原子的亚烷基二氧基,Q表示具有约4至约12个碳原子的芳族或脂族二羰基或其中Ar 2, R3和R4如上所定义,L3和L4是C = O; x表示含有四价芳香族基团Ar 1的聚酯 - 酰胺的二氧基或二羰基成分的摩尔分数,y表示含有Z 1的聚酯 - 酰亚胺的二氧基或二羰基成分的摩尔分数,其中x为0.05〜 1,y为0〜0.95。

    Naphthoquinone derivatives
    9.
    发明授权
    Naphthoquinone derivatives 失效
    萘醌衍生物

    公开(公告)号:US4909966A

    公开(公告)日:1990-03-20

    申请号:US287948

    申请日:1988-12-21

    IPC分类号: C07C255/41

    CPC分类号: C07C255/41

    摘要: New chemical compounds are derivatives of certain substituted 1,4-napthoquinones in which the keto oxygens at the 4-positions have been replaced by certain cyanoalkoxycarbonylmethylene groups. The new compounds have the structure ##STR1## wherein: J is alkyl having 1 to 6 carbon atoms, andR is normal alkyl having 1 to 6 carbon atoms.The compounds are useful as electron-transport agents in electrophotographic elements.

    摘要翻译: 新的化合物是某些取代的1,4-萘醌的衍生物,其中4位的酮氧基已经被某些氰基烷氧基羰基亚甲基取代。 新化合物具有结构,其中:J为具有1至6个碳原子的烷基,R为具有1至6个碳原子的正烷基。 该化合物可用作电子照相元件中的电子传递剂。