公开(公告)号：US07449270B2

公开(公告)日：2008-11-11

申请号：US11450324

申请日：2006-06-12

Applicant: Beom-jun Kim ,  Seung-ju Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Moto Makino ,  Hwan-koo Lee ,  Ji-uk Kim ,  Ji-Young Lee

Inventor： Beom-jun Kim ,  Seung-ju Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Moto Makino ,  Hwan-koo Lee ,  Ji-uk Kim ,  Ji-Young Lee

IPC: G03G5/06 ,  G03G5/047

CPC classification number: G03G5/0696 ,  G03G5/047 ,  G03G5/0651

Abstract: A two-layered electrophotographic photoreceptor is formed. The two-layered electrophotographic photoreceptor includes an electrically conductive substrate and a charge generating layer and a charge transporting layer form on the electrically conductive substrate, wherein the charge generating layer is a naphthalenetetracarboxylic acid diimide derivative represented by: The two-layered electrophotographic photoreceptor has high photosensitivity and low residual potential.

Abstract translation: 形成双层电子照相感光体。 双层电子照相感光体包括在导电性基材上形成的导电性基板和电荷产生层以及电荷输送层，其中，电荷产生层是由下式表示的萘四甲酸二酰亚胺衍生物：双层电子照相感光体具有高 光敏性和低残留电位。

公开(公告)号：US07396624B2

公开(公告)日：2008-07-08

申请号：US11095522

申请日：2005-04-01

Applicant: Beom-jun Kim ,  Seung-ju Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Hwan-koo Lee

Inventor： Beom-jun Kim ,  Seung-ju Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Hwan-koo Lee

IPC: G03G5/06

CPC classification number: G03G5/0651 ,  C07D471/06 ,  G03G5/0525 ,  G03G5/056 ,  G03G5/0614 ,  G03G5/0616 ,  G03G5/0618 ,  G03G5/0668 ,  G03G5/0696 ,  G03G5/076

Abstract: An electrophotographic photoreceptor containing a naphthalenetetracarboxylic acid diimide derivative of Formula (1), which has a branched alkyl group substituted with an aryl group at the α-position with regard to nitrogen atoms of imide groups: wherein R1 and R2 are independently selected from the group consisting of a hydrogen atom, a halogen atom, a C1-C20 substituted or unsubstituted alkyl group, and a C1-C20 substituted or unsubstituted alkoxy group; R3 is selected from the group consisting of a C1-C20 substituted or unsubstituted alkyl group, a C1-C20 substituted or unsubstituted alkoxy group, a C7-C30 substituted or unsubstituted aralkyl group, and a group having the formula —(CH2)n—Y—R4; Ar is a C6-C30 substituted or unsubstituted aryl group; Y is an oxygen or sulfur atom; R4 is a hydrogen atom or a C1-C20 substituted or unsubstituted alkyl group; and n is an integer between 1 and 12. The naphthalenetetracarboxylic acid diimide derivative has high solubility in organic solvents and compatibility with binder resins, thus providing better electron transporting ability. The invention is also directed to an electrophotographic imaging apparatus using the photoreceptor.

Abstract translation: 含有式（1）的萘四甲酸二酰亚胺衍生物的电子照相感光体，其具有相对于酰亚胺基团的氮原子在α位被芳基取代的支链烷基：其中R 1， R 2和R 2独立地选自氢原子，卤素原子，C 1 -C 20 - 取代或未取代的烷基 基团和C 1 -C 20取代或未取代的烷氧基; R 3 3选自C 1 -C 20 - 取代或未取代的烷基，C 1〜 取代或未取代的烷氧基，C 7 -C 30取代或未取代的芳烷基，以及具有式 - （CH 2）n - n R 4; Ar是C 6 -C 30取代或未取代的芳基; Y是氧或硫原子; R 4是氢原子或C 1 -C 20 - 取代或未取代的烷基; n为1〜12的整数。萘四甲酸二酰亚胺衍生物在有机溶剂中的溶解性高，与粘合剂树脂的相溶性好，因此具有更好的电子传输能力。 本发明还涉及使用感光体的电子照相成像设备。

公开(公告)号：US20080160439A1

公开(公告)日：2008-07-03

申请号：US11812877

申请日：2007-06-22

Applicant: Saburo Yokota ,  Moto Makino ,  Hwan-koo Lee ,  Beom-jun Kim ,  Seung-ju Kim ,  Ji-young Lee

Inventor： Saburo Yokota ,  Moto Makino ,  Hwan-koo Lee ,  Beom-jun Kim ,  Seung-ju Kim ,  Ji-young Lee

IPC: G03G15/04

CPC classification number: G03G15/751 ,  G03G2215/00957

Abstract: An electrophotographic photoreceptor includes a photosensitive layer including a charge generating material, a charge transporting material and a binder resin in a single layer, formed on an electrically conductive substrate. The single photosensitive layer includes an upper photosensitive layer portion and a lower photosensitive layer portion. The upper photosensitive layer portion has a higher concentration of the electron transporting material than that of the lower photosensitive layer portion. A method of preparing the electrophotographic photoreceptor, and an electrophotographic imaging apparatus employing the electrophotographic photoreceptor are provided. The single-layered type electrophotographic photoreceptor according to the present invention shows high sensitivity and excellent repetition stability of electrical properties, while still having advantages of a conventional single-layered photoreceptor, thereby being able to have highly practical applications.

Abstract translation: 电子照相感光体包括在导电性基材上形成的包含电荷产生材料，电荷输送材料和单层粘结剂树脂的感光层。 单个感光层包括上感光层部分和下感光层部分。 上感光层部分的电子传输材料的浓度高于下感光层部分。 提供了一种制备电子照相感光体的方法，以及使用电子照相感光体的电子照相成像装置。 根据本发明的单层电子照相感光体显示出高的灵敏度和优异的电性能的重复稳定性，同时仍然具有常规单层感光体的优点，从而能够具有高度的实际应用。

公开(公告)号：US07341811B2

公开(公告)日：2008-03-11

申请号：US10952726

申请日：2004-09-30

Applicant: Beom-jun Kim ,  Saburo Yokota ,  Seung-ju Kim ,  Hwan-koo Lee

Inventor： Beom-jun Kim ,  Saburo Yokota ,  Seung-ju Kim ,  Hwan-koo Lee

IPC: G03G5/10

CPC classification number: G03G5/0618

Abstract: New compounds having an electron transferring capability, and an electrophotographic photoreceptor including the new compounds are disclosed. The compound according to the present invention is represented by the following Formula 2: where R1, R2 and R3 are independently selected from the group consisting of a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C1 to C20 alkoxy group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C7 to C30 aralkyl group, and a halogen; m is 0 or an integer of 1 to 4; and n is 0 or an integer of 1 to 5. These compounds can be used an electron transferring material of an undercoating layer or a photoconductive layer of an electrophotographic photoreceptor. The electron transferring material of the invention produces an electrophotographic photoreceptor having improved electrical characteristics.

Abstract translation: 公开了具有电子转移能力的新化合物和包含新化合物的电子照相感光体。 根据本发明的化合物由下式2表示：其中R 1，R 2和R 3独立地选自 取代或未取代的C 1至C 20烷基的取代或未取代的C 1至C 20烷基的取代或未取代的C 1至C 20 - 取代或未取代的C 6〜C 30芳基，取代或未取代的C 7〜C 30烷氧基，取代或未取代的C 6〜 芳烷基和卤素; m为0或1〜4的整数; n为0或1〜5的整数。这些化合物可以使用电子照相感光体的底涂层或光电导层的电子转移材料。 本发明的电子转移材料产生具有改善的电特性的电子照相感光体。

公开(公告)号：US20060281020A1

公开(公告)日：2006-12-14

申请号：US11450324

申请日：2006-06-12

Applicant: Beom-jun Kim ,  Seung-ju Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Moto Makino ,  Hwan-koo Lee ,  Ji-uk Kim ,  Ji-Young Lee

Inventor： Beom-jun Kim ,  Seung-ju Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Moto Makino ,  Hwan-koo Lee ,  Ji-uk Kim ,  Ji-Young Lee

IPC: G03G5/047

CPC classification number: G03G5/0696 ,  G03G5/047 ,  G03G5/0651

Abstract: A two-layered electrophotographic photoreceptor is formed. The two-layered electrophotographic photoreceptor includes an electrically conductive substrate and a charge generating layer and a charge transporting layer form on the electrically conductive substrate, wherein the charge generating layer is a naphthalenetetracarboxylic acid diimide derivative represented by: The two-layered electrophotographic photoreceptor has high photosensitivity and low residual potential.

Abstract translation: 形成双层电子照相感光体。 双层电子照相感光体包括在导电性基材上形成的导电性基板和电荷产生层以及电荷输送层，其中，电荷产生层是由下式表示的萘四甲酸二酰亚胺衍生物：双层电子照相感光体具有高 光敏性和低残留电位。

公开(公告)号：US20050112486A1

公开(公告)日：2005-05-26

申请号：US10875276

申请日：2004-06-25

Applicant: Beom-jun Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Hwan-koo Lee ,  Seung-ju Kim

Inventor： Beom-jun Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Hwan-koo Lee ,  Seung-ju Kim

IPC: G03G5/14 ,  G03G5/147

CPC classification number: G03G5/14708 ,  G03G5/1473 ,  G03G5/14765

Abstract: An electrophotographic photoreceptor includes a conductive substrate, a photoconductive layer formed on the conductive substrate containing a charge generating material and a charge transferring material, and a protective layer formed on the photoconductive layer for protecting the photoconductive layer. The protective layer contains an alcohol-soluble polyamide resin and an alcohol-soluble chelate compound. According to the present invention, the electrophotographic photoreceptor has the protective layer with chelate compound has improved adhesive properties to the photoconductive layer and improved the electrostatic characteristic and productivity.

Abstract translation: 电子照相感光体包括导电性基材，形成在含有电荷产生材料和电荷转移材料的导电性基材上的光电导层，以及形成在光电导层上的用于保护光电导层的保护层。 保护层含有醇溶性聚酰胺树脂和醇可溶性螯合物。 根据本发明，具有螯合化合物的保护层的电子照相感光体对光电导层具有改善的粘合性能，并提高静电特性和生产率。

公开(公告)号：US20050112482A1

公开(公告)日：2005-05-26

申请号：US10859318

申请日：2004-06-03

Applicant: Beom-jun Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Hwan-koo Lee ,  Seung-ju Kim

Inventor： Beom-jun Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Hwan-koo Lee ,  Seung-ju Kim

IPC: G03G5/04 ,  C07D471/04 ,  C07D471/06 ,  G03G5/047 ,  G03G5/06 ,  G03G5/07 ,  C07D221/18

CPC classification number: C07D471/06 ,  G03G5/0651 ,  G03G5/0661

Abstract: Naphthalenetetracarboxylic acid diimide derivatives and an electrophotographic photoconductive material containing the naphthalenetetracarboxylic acid diimide derivatives. The naphthalenetetracarboxylic acid diimide derivatives have a structure represented by the following formula: in which, R1 and R2 are each independently selected from the group consisting of a substituted or non-substituted C1-C20 alkyl group; a substituted or non-substituted C1-C20 alkoxy group; a substituted or non-substituted C6-C30 aryl group; and a substituted or non-substituted C7-C30 aralkyl group; and halogen. The electrophotographic photoconductive material includes the naphthalenetetracarboxylic acid diimide derivatives as an electron transferring material.

Abstract translation: 萘四甲酸二酰亚胺衍生物和含有萘四羧酸二酰亚胺衍生物的电子照相光导材料。 萘四羧酸二酰亚胺衍生物具有由下式表示的结构：其中R 1和R 2各自独立地选自取代或未取代的， 取代的C 1 -C 20烷基; 取代或未取代的C 1 -C 20烷氧基; 取代或未取代的C 6 -C 30芳基; 和取代或未取代的C 7 -C 30芳烷基; 和卤素。 电子照相感光材料包括作为电子转移材料的萘四甲酸二酰亚胺衍生物。

公开(公告)号：US20050003286A1

公开(公告)日：2005-01-06

申请号：US10768083

申请日：2004-02-02

Applicant: Seung-ju Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Hwan-koo Lee ,  Beom-jun Kim

Inventor： Seung-ju Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Hwan-koo Lee ,  Beom-jun Kim

IPC: G03G5/047 ,  C07D471/06 ,  G03G5/06 ,  C07D471/00

CPC classification number: C07D471/06 ,  G03G5/0651

Abstract: Naphthalenetetracarboxylic acid diimide derivatives include a structure represented by the following formula: in which, R1, R2, and R3 are each independently any one selected from the group consisting of hydrogen; halogen; substituted or unsubstituted alkyl of C1 to C20; substituted or unsubstituted alkoxy of C1 to C20; substituted or unsubstituted aryl of C6 to C30; and substituted or unsubstituted aralkyl of C7 to C30. An electrophotographic photoconductive material includes the naphthalenetetracarboxylic acid diimide derivatives as an electron transferring material.

Abstract translation: 萘四羧酸二酰亚胺衍生物包括由下式表示的结构：其中，R 1，R 2和R 3各自独立地为选自氢， 卤素; 取代或未取代的C1至C20的烷基; 取代或未取代的C1至C20的烷氧基; 取代或未取代的C6至C30的芳基; 和C7至C30的取代或未取代的芳烷基。 电子照相感光材料包括作为电子转移材料的萘四甲酸二酰亚胺衍生物。

公开(公告)号：US07622232B2

公开(公告)日：2009-11-24

申请号：US11638456

申请日：2006-12-14

Applicant: Saburo Yokota ,  Seung-ju Kim

Inventor： Saburo Yokota ,  Seung-ju Kim

IPC: G03G15/02

CPC classification number: G03G5/0614 ,  G03G5/0668 ,  G03G5/0672 ,  G03G5/0696

Abstract: An electrophotographic photoreceptor including a photosensitive layer which includes a titanyl phthalocyanine crystal having a major absorption peak at a wavelength of 780 nm±10 nm and a minor absorption peak having an intensity of ¾ or less of the major absorption peak at 690 nm±10 nm in the visible-infrared absorption spectrum and a distyryl compound having a predetermined structure. An electrophotographic image forming apparatus employing the electrophotographic photoreceptor is also provided. The electrophotographic photoreceptor and the electrophotographic image forming apparatus have good photosensitivity and charging properties and good stability over repeated charging obtained by using an optimum combination of a new crystal type of a highly photosensitive titanyl phthalocyanine and a distyryl compound which is a charge transporting material that is compatible with the titanyl phthalocyanine.

Abstract translation: 包括感光层的电子照相感光层，其包含在780nm±10nm的波长处具有主要吸收峰的氧钛酞菁晶体和在690nm±10nm处具有主吸收峰的强度为¾以下的次要吸收峰 在可见红外吸收光谱中和具有预定结构的二苯乙烯基化合物。 还提供了使用电子照相感光体的电子照相成像设备。 电子照相感光体和电子照相图像形成装置具有良好的光敏性和带电性，并且通过使用新型晶体型高感光性氧钛酞菁和作为电荷输送材料的二苯乙烯基化合物的最佳组合而获得的重复充电具有良好的稳定性 与钛酞菁相容。

公开(公告)号：US07314692B2

公开(公告)日：2008-01-01

申请号：US10964740

申请日：2004-10-15

Applicant: Beom-jun Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Hwan-koo Lee ,  Seung-ju Kim

Inventor： Beom-jun Kim ,  Saburo Yokota ,  Kyung-yol Yon ,  Hwan-koo Lee ,  Seung-ju Kim

IPC: G03G5/047

CPC classification number: G03G5/0609 ,  G03G5/0517 ,  G03G5/0605 ,  G03G5/0616 ,  G03G5/0677

Abstract: A phenylazomethylene-cyclohexadienone derivative and an electrophotographic photoreceptor include a compound that is represented by the following formula: wherein R1 and R2 are independently selected from the group consisting of a substituted or unsubstituted alkyl group having 1 to 20 carbon atom(s), a substituted or unsubstituted alkoxy group having 1 to 20 carbon atom(s), a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, and a halogen; A is selected from the group consisting of nitro group, cyano group and sulfone group; l is a natural number of 0 to 4; m is a natural number of 0 to 4; and n is a natural number of 1 to 5, and the electrophotographic photoreceptor according to the present invention comprises the phenylazomethylene-cyclohexadienone derivative. An electrophotographic photoreceptor having an improved electrical characteristic and a desirable image quality is provided.

Abstract translation: 苯基亚甲基亚甲基 - 环己二烯酮衍生物和电子照相感光体包括由下式表示的化合物：其中R 1和R 2独立地选自取代的 或未取代的碳原子数为1〜20的烷基，取代或未取代的碳原子数1〜20的烷氧基，取代或未取代的碳原子数为6〜30的芳基，取代或未取代的芳烷基， 7〜30个碳原子，和卤素; A选自硝基，氰基和砜基; l是0到4的自然数; m是0到4的自然数; n为1〜5的自然数，本发明的电子照相感光体为苯基亚甲基 - 环己二烯酮衍生物。 提供具有改善的电特性和期望的图像质量的电子照相感光体。