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    • 21. 发明授权
    • Electrophotographic photosensitive member and apparatus and process
cartridge provided with the same
    • 电子照相感光元件及其设备和处理盒
    • US5876890A
    • 1999-03-02
    • US863046
    • 1997-05-23
    • Wataru KitamuraHidetoshi HiranoKimihiro Yoshimura
    • Wataru KitamuraHidetoshi HiranoKimihiro Yoshimura
    • G03G5/05G03G5/06G03G5/147
    • G03G5/0564G03G5/0614G03G5/0668G03G5/14756
    • A surface layer of a photosensitive layer contains a resin comprising a structural unit represented by the following general formula (1), and at least one compound of a triarylamine compound represented by the following general formula (2) and a styryl compound represented by the following general formula (3): ##STR1## wherein, X is --CR.sub.13 R.sub.14 --, substituted or unsubstituted cycloalkylidene, substituted or unsubstituted .alpha.,.omega.-alkylene, single bond, --O--, --S--, --SO-- or --SO.sub.2 --, wherein R.sub.13 and R.sub.14 are each hydrogen, trifluoromethyl, or substituted or unsubstituted alkyl or aryl, and R.sub.1 to R.sub.12 are each hydrogen, halogen, or substituted or unsubstituted alkyl or aryl; ##STR2## wherein Y is hydrogen, halogen, substituted or unsubstituted alkyl or alkoxy, or ##STR3## wherein R.sub.15 ' to R.sub.24 ' are each hydrogen, halogen, substituted or unsubstituted alkyl or alkoxy, R.sub.15 to R.sub.27 are each hydrogen, halogen, substituted or unsubstituted alkyl or alkoxy, and R.sub.28 and R.sub.29 are each hydrogen or substituted or unsubstituted alkyl, aralkyl or aryl; ##STR4## wherein Z is --CH.sub.2 CH.sub.2 -- or --CH.dbd.CH--, R.sub.30 and R.sub.31 are each substituted or unsubstituted alkyl, aralkyl, aryl or heterocyclic, R.sub.32 to R.sub.39 are each hydrogen, substituted or unsubstituted alkyl or alkoxy, and Ar is substituted or unsubstituted arylene or heterocyclic.
    • 感光层的表面层含有包含由以下通式(1)表示的结构单元的树脂和至少一种由以下通式(2)表示的三芳基胺化合物和由下列通式(2)表示的苯乙烯基化合物 (3):其中X为-CR 13 R 14 - ,取代或未取代的亚环烷基,取代或未取代的α,ω-亚烷基,单键,-O - , - S - , - SO-或 - SO 2 - ,其中R 13和R 14各自为氢,三氟甲基或取代或未取代的烷基或芳基,R 1至R 12各自为氢,卤素或取代或未取代的烷基或芳基; (2)其中Y是氢,卤素,取代或未取代的烷基或烷氧基,或者其中R 15'至R 24'各自为氢,卤素,取代或未取代的烷基或烷氧基,R 15至R 27各自为氢, 卤素,取代或未取代的烷基或烷氧基,R28和R29各自为氢或取代或未取代的烷基,芳烷基或芳基; (3)其中Z是-CH 2 CH 2 - 或-CH = CH-,R 30和R 31各自是取代或未取代的烷基,芳烷基,芳基或杂环,R 32至R 39各自为氢,取代或未取代的烷基或烷氧基, Ar是取代或未取代的亚芳基或杂环基。
    • 28. 发明授权
    • Electrophotographic apparatus and process cartridge
    • 电子照相设备和处理盒
    • US06697591B2
    • 2004-02-24
    • US10173161
    • 2002-06-18
    • Yosuke MorikawaKouichi NakataKimihiro YoshimuraDaisuke Tanaka
    • Yosuke MorikawaKouichi NakataKimihiro YoshimuraDaisuke Tanaka
    • G03G1500
    • G03G5/14704G03G5/147G03G2215/021
    • An electrophotographic apparatus, includes: an electrophotographic photosensitive member and a charging device. The charging device includes a conductor particle-carrying member having an electroconductive and elastic surface, and conductor particles having a particle size of 10 nm-10 &mgr;m and carried on the carrying member so as to be disposed in contact with the photosensitive member, thereby directly injecting charges to the photosensitive member to charge the photosensitive member. The photosensitive member includes a photosensitive layer and a charge injection layer as a surface layer disposed in this order on a support, the charge-injection layer having a thickness d (&mgr;m) and an elastic deformation percentage We (OCL) (%) satisfying a relationship of formula (1) below with an elastic deformation percentage We (CTL) (%) of the photosensitive layer: −0.71×d+We(CTL)≦We(OCL)≦0.03×d3−0.89×d2+8.43×d+We(CTL)  (1).
    • 一种电子照相设备,包括:电子照相感光构件和充电装置。 充电装置包括具有导电和弹性表面的导体颗粒承载构件和粒径为10nm-10μm的导体颗粒,并承载在承载构件上以便与感光构件接触,从而直接 向感光构件注入电荷以对感光构件充电。 感光构件包括感光层和作为表面层的电荷注入层,其依次设置在载体上,电荷注入层的厚度d(母)和弹性变形百分比We(OCL)(%)满足 关系式(1)与弹性变形百分比We(CTL)(%)感光层: