公开(公告)号：US6127078A

公开(公告)日：2000-10-03

申请号：US477596

申请日：2000-01-04

申请人： Shinichi Omokawa ,  Kenichi Ohkura ,  Seishi Terasaki ,  Yoshihiro Ueno ,  Kenji Kawate

发明人： Shinichi Omokawa ,  Kenichi Ohkura ,  Seishi Terasaki ,  Yoshihiro Ueno ,  Kenji Kawate

IPC分类号： G03G5/047 ,  G03G5/06

CPC分类号： G03G5/0696 ,  G03G5/047 ,  G03G5/0614 ,  G03G5/0668

摘要： An organic electrophotographic photoconductor diminished in an image trouble due to history of a transfer process in a reversal development system is disclosed. The above organic electrophotographic photoconductor is called a separated-function laminated type organic electrophotographic photoconductor, which has an undercoat layer and a photosensitive layer laminated in this order on a conductive substrate, the photosensitive layer comprising a charge generation layer laminated on the undercoat layer and containing an organic compound, and a charge transport layer laminated on the charge generation layer and containing an organic compound. For the charge generation layer, a titanyloxyphthalocyanine compound is used as a charge generation material. The present invention uses the titanyloxyphthalocyanine compound having a clear diffraction peak at a Bragg angle (2.theta.) of 9.6.degree..+-.0.2.degree. or 27.3.degree..+-.0.2.degree. for CuK.alpha. characteristic X-ray (wavelength 1.541 .ANG.). For the charge transport layer, a specific organic compound is used as a charge transport material.

摘要翻译： 公开了由于反转显影系统中的转印过程的历史而在图像故障中减少的有机电子照相感光体。 上述有机电子照相感光体被称为分离功能层叠型有机电子照相感光体，其具有依次层叠在导电性基板上的底涂层和感光层，该感光层包含层叠在底涂层上的电荷产生层， 有机化合物和层叠在电荷产生层上并含有有机化合物的电荷输送层。 对于电荷产生层，使用钛氧基氧酞菁化合物作为电荷产生材料。 对于CuKα特征X射线（波长1.541ng），本发明使用布拉格角（2θ）为9.6°+/- 0.2°或27.3°±0.2°的具有清晰衍射峰的钛氧基氧酞菁化合物。 对于电荷输送层，使用特定的有机化合物作为电荷输送材料。

公开(公告)号：US06200717B1

公开(公告)日：2001-03-13

申请号：US09558625

申请日：2000-04-26

申请人： Masaru Takeuchi ,  Kenichi Ohkura ,  Shinichi Omokawa

发明人： Masaru Takeuchi ,  Kenichi Ohkura ,  Shinichi Omokawa

IPC分类号： G03G509

CPC分类号： G03G5/0653 ,  G03G5/0609 ,  G03G5/0612 ,  G03G5/0614 ,  G03G5/0618 ,  G03G5/062 ,  G03G5/0674

摘要： In a electrophotographic photoconductor having a single layer type photosensitive layer 3 laminated directly or through an undercoat layer 2 on an electroconductive substrate 1, the single layer type photosensitive layer 3 contains at least a resin binder, a charge generating substance, a hole transfer substance and an electron transfer substance, wherein the hole transfer substance is a compound represented by the general formula (HT1) shown below and an electrophotographic apparatus comprise this photoconductor. This electrophotographic photoconductor has good electric property in positive charge and good stability in repeated use.

摘要翻译： 在具有在导电性基体1上直接或通过底涂层2层压的单层型感光层3的电子照相感光体中，单层型感光层3至少含有树脂粘合剂，电荷产生物质，空穴转移物质和 电子转移物质，其中空穴转移物质是由下述通式（HT1）表示的化合物和电子照相设备包括该光电导体。 该电子照相感光体在正电荷下具有良好的电性能，并且在重复使用中具有良好的稳定性。

公开(公告)号：US20060204874A1

公开(公告)日：2006-09-14

申请号：US11374031

申请日：2006-03-14

申请人： Kenichi Ohkura ,  Motohiro Takeshima ,  Shinichi Omokawa ,  Yoshiki Hasegawa ,  Tohru Kobayashi

发明人： Kenichi Ohkura ,  Motohiro Takeshima ,  Shinichi Omokawa ,  Yoshiki Hasegawa ,  Tohru Kobayashi

IPC分类号： G03G5/06 ,  C07C245/04

CPC分类号： G03G5/0679 ,  C07C245/06 ,  G03G5/0605 ,  G03G5/0607 ,  G03G5/0609 ,  G03G5/0616 ,  G03G5/0629 ,  G03G5/0668 ,  G03G5/0672

摘要： A compound having a superior electron-transporting property useful for electrophotographic photoconductors and organic ELs, a positive charge type electrophotographic photoconductor for high sensitive copiers or printers and an electrophotographic apparatus using the same, by using the organic compound in a photosensitive layer as an electron-transporting material are provided. The present invention relates a quinone compound having a structure represented by Formula (I): (wherein R1, R2, R3, R4, R5, R6, R7 and R8 each denote hydrogen or an alkyl; R9 and R10 each denote hydrogen, an alkyl, aryl, or heterocyclic group; R11 and R12 each denote a halogen, an alkyl, alkoxy, alkyl halide, nitro, aryl, or heterocyclic group; n and m each denote an integer of 0 to 4; A denotes oxygen or SO2; and the substituent is a halogen, an alkyl, alkoxy, alkyl halide, nitro, aryl, or heterocyclic group), an electrophotographic photoconductor, and an electrophotographic apparatus using the same.

摘要翻译： 具有用于电子照相感光体和有机EL的优异电子传输性的化合物，用于高灵敏度复印机或打印机的正电荷型电子照相感光体和使用该化合物的电子照相设备，通过使用感光层中的有机化合物作为电子发射层， 提供运输材料。 本发明涉及具有由式（I）表示的结构的醌化合物：其中R 1，R 2，R 3，R 3，R R 4，R 5，R 6，R 7，R 8和R 8各自表示 氢或烷基; R 9和R 10各自表示氢，烷基，芳基或杂环基; R 11和R 0 > 12各自表示卤素，烷基，烷氧基，烷基卤，硝基，芳基或杂环基; n和m各自表示0〜4的整数; A表示氧或SO 2， 并且取代基是卤素，烷基，烷氧基，烷基卤，硝基，芳基或杂环基），电子照相感光体和使用其的电子照相设备。

公开(公告)号：US06743557B2

公开(公告)日：2004-06-01

申请号：US10212812

申请日：2002-08-07

申请人： Shinichi Omokawa

发明人： Shinichi Omokawa

IPC分类号： G03G507

CPC分类号： G03G5/0668 ,  G03G5/04 ,  G03G5/0564 ,  G03G5/0575 ,  G03G5/0614 ,  G03G5/075 ,  G03G5/076

摘要： Disclosed is a positive charging single-layer organic photoreceptor for liquid development which comprises a conductive substrate having thereon a photosensitive layer containing a charge generating material, an electron transport material and an organic binder resin comprising a polymer represented by formula (I): wherein R1 and R2 each represent a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group, or R1 and R2 may form a cycloalkyl group in combination; R3, R4, R5, R6, R7, R8, R9, R10 and R11, each represent a hydrogen atom, a halogen atom, an aryl group or an alkyl group; and m and n each represent a molar percentage giving a total of 70 to 95 mol %.

摘要翻译： 公开了一种用于液体显影的正带电单层有机感光体，其包括其上具有含有电荷产生材料的感光层的导电基底，电子传输材料和包含由式（I）表示的聚合物的有机粘合剂树脂：其中R1 并且R 2各自表示取代或未取代的烷基或取代或未取代的芳基，或者R 1和R 2可以组合形成环烷基; R 3，R 4，R 5，R 6，R 7，R 8，R 9，R 10和R 11各自表示氢原子，卤素原子，芳基或烷基; m和n各自表示总共为70〜95摩尔％的摩尔百分比。

公开(公告)号：US06451493B1

公开(公告)日：2002-09-17

申请号：US09714822

申请日：2000-11-17

申请人： Shinichi Omokawa ,  Masaru Takeuchi ,  Seizo Kitagawa

发明人： Shinichi Omokawa ,  Masaru Takeuchi ,  Seizo Kitagawa

IPC分类号： G03G505

CPC分类号： G03G5/0564 ,  G03G5/0578

摘要： An electrophotographic photoconductor which is a positive charging, single layer type organic photoconductor including a conductive substrate; and a photosensitive layer which is provided on the conductive substrate, which is a positive charging, single layer type organic photoconductor, and which is composed of at least one charge generation substance that contains a phthalocyanine pigment; a positive hole transport substance; an electron transport substance; and a binder that contains a polycarbonate resin with a polydialkylsilozane constructed of a repeated unit represented by formula (1). Toner consumption during repeated electrophotographic use is reduced and print defects including dirty background suppressed.

摘要翻译： 一种电子照相感光体，其为包含导电性基材的正带电单层型有机感光体; 以及感光层，其设置在作为正电荷单层型有机感光体的导电性基板上，并且由至少一种含有酞菁颜料的电荷产生物质构成; 空穴输送物质; 电子传输物质; 和含有由式（1）表示的重复单元构成的聚二烷基硅烷的聚碳酸酯树脂的粘合剂。 反复电子照相使用时的调色剂消耗减少，包括脏背景的印刷缺陷受到抑制。