Image forming apparatus with a TFT backplane for xerography without a light source
    71.
    发明授权
    Image forming apparatus with a TFT backplane for xerography without a light source 有权
    具有用于无光源的静电复印的TFT背板的图像形成装置

    公开(公告)号:US08854403B2

    公开(公告)日:2014-10-07

    申请号:US12366680

    申请日:2009-02-06

    IPC分类号: B41J2/39 B41J2/395 G03G15/32

    CPC分类号: B41J2/39 G03G15/32

    摘要: Systems and methods are described that facilitate using TFT control of electronic discharge for surface potential reduction and latent image formation on an imaging member. Corona charging is performed to first create a background surface potential, followed by selective discharge of individual pixels using an array of TFTs to supply free charge carriers to reduce the electrostatic surface potential to nearly zero. This is followed by discharged area development (DAD) to develop the latent image on a print medium (e.g., paper). The described systems and methods do not require a HVPS to drive the backplane; therefore, the TFT matrix is electrostatically decoupled from the developer and other system components in direct contact with the imaging member. Accordingly, known addressing systems may be used to address the TFT array.

    摘要翻译: 描述了有助于使用电子放电的TFT控制来在成像构件上进行表面电位降低和潜像形成的系统和方法。 执行电晕充电以首先产生背景表面电位,随后使用TFT阵列选择性地放电各个像素,以提供免费电荷载流子,以将静电表面电位降低到接近零。 随后是放电区域开发(DAD),以在打印介质(例如纸)上显影潜像。 所描述的系统和方法不需要HVPS来驱动背板; 因此,TFT矩阵与显影剂和与成像构件直接接触的其它系统部件静电分离。 因此,已知的寻址系统可以用于寻址TFT阵列。

    Delivery apparatus
    73.
    发明授权
    Delivery apparatus 有权
    送货装置

    公开(公告)号:US08688009B2

    公开(公告)日:2014-04-01

    申请号:US13533475

    申请日:2012-06-26

    IPC分类号: G03G15/02 G03G21/00

    CPC分类号: G03G21/0094

    摘要: There is described an applicator for use in an image forming apparatus. The applicator includes an applicator comprising an elastomeric matrix and a functional material dispersed therein. The applicator includes an actuator for moving the applicator between a first position having the applicator in contact with a surface, and a second position. The actuator moves the applicator from the first position to the second position at a frequency of from about 10−5 Hz to about 10 kHz wherein the functional material diffuses from the elastomeric matrix to the surface.

    摘要翻译: 描述了一种用于图像形成装置中的涂布器。 涂抹器包括涂布器,其包括分散在其中的弹性体基体和功能材料。 施用器包括用于在具有与表面接触的施加器的第一位置和第二位置之间移动施加器的致动器。 致动器以约10-5Hz至约10kHz的频率将施加器从第一位置移动到第二位置,其中功能材料从弹性体基体扩散到表面。

    Photoreceptor with a TFT backplane for xerography without a ROS system
    74.
    发明授权
    Photoreceptor with a TFT backplane for xerography without a ROS system 有权
    具有TFT背板的感光体,用于没有ROS系统的静电复印

    公开(公告)号:US08643685B2

    公开(公告)日:2014-02-04

    申请号:US12366665

    申请日:2009-02-06

    IPC分类号: B41J2/39 B41J2/395

    摘要: Systems and methods are described that facilitate eliminating a need for a raster output scanner (ROS) or laser when generating a latent image on a photoreceptor. An addressable backplane is employed, comprising an array of field effect transistors (e.g., silicon or organic thin film transistors, or TFTs), wherein each TFT corresponds to a single pixel on a charge transport layer on the photoreceptor surface. Latent image formation is performed by forming a surface potential using corona charging, and then directing free charge carriers toward the photoreceptor surface to reduce electrostatic potential in areas that need to be toned. TFTs in the array are individually addressed, or selected, to connect to a common ground, which allows photodischarge to occur only in selected areas (e.g., pixels associated with the selected TFTs). Once the array of TFTs is addressed, an LED light source emits light over the surface of the photoreceptor, and only the selected (grounded) TFTs permit their associated pixels to discharge. In this manner, a latent image is formed without a need for a bulky and expensive ROS.

    摘要翻译: 描述了系统和方法,其在光感受器上产生潜像时有助于消除对光栅输出扫描器(ROS)或激光器的需要。 采用可寻址的背板,其包括场效应晶体管阵列(例如硅或有机薄膜晶体管或TFT),其中每个TFT对应于感光体表面上的电荷传输层上的单个像素。 通过使用电晕充电形成表面电位,然后将自由电荷载体引导到感光体表面来降低需要调色的区域中的静电潜力来进行潜在的图像形成。 阵列中的TFT被单独寻址或选择以连接到公共地,这允许仅在选定区域(例如,与所选择的TFT相关联的像素)中发生光电荷放电。 一旦解决了TFT阵列,LED光源就会在感光体的表面上发光,只有选定的(接地的)TFT允许其相关像素放电。 以这种方式,形成潜像,而不需要庞大且昂贵的ROS。

    APPARATUS AND METHODS FOR DELIVERY OF A FUNCTIONAL MATERIAL TO AN IMAGE FORMING MEMBER
    75.
    发明申请
    APPARATUS AND METHODS FOR DELIVERY OF A FUNCTIONAL MATERIAL TO AN IMAGE FORMING MEMBER 有权
    一种将功能材料输送给形成图像的装置和方法

    公开(公告)号:US20130108312A1

    公开(公告)日:2013-05-02

    申请号:US13286905

    申请日:2011-11-01

    IPC分类号: G03G15/16

    摘要: The presently disclosed embodiments relate generally to an image forming apparatus comprising a delivery member for delivering a functional material in contact with an intermediate transfer belt such that functional material is transferred onto one or more imaging members via the intermediate transfer belt. Embodiments also pertain to an improved electrophotographic imaging member comprising a very thin outer layer on the imaging member surface, where the outer layer comprises functional materials, such as paraffin, that act as a lubricant and or a barrier against moisture and/or surface contaminants. The improved imaging member exhibits improved xerographic performance, such as reduced friction and deletions in high humidity conditions.

    摘要翻译: 目前公开的实施例一般涉及一种图像形成装置,其包括用于传送与中间转印带接触的功能材料的输送构件,使得功能材料经由中间转印带转印到一个或多个成像构件上。 实施例还涉及一种改进的电子照相成像构件,其包括在成像构件表面上的非常薄的外层,其中外层包含用作润滑剂的功能性材料,例如石蜡,以及防止水分和/或表面污染物的屏障。 改进的成像构件表现出改善的静电印刷性能,例如在高湿度条件下减少的摩擦和缺失。

    Toner having bumpy surface morphology
    76.
    发明授权
    Toner having bumpy surface morphology 有权
    调色剂具有颠簸的表面形态

    公开(公告)号:US07662531B2

    公开(公告)日:2010-02-16

    申请号:US11228300

    申请日:2005-09-19

    IPC分类号: G03G9/093

    摘要: The toner described herein contains toner particles containing polymer, colorant and cross-linked polymer. The cross-linked polymer is incorporated at least in the shell of the toner particles. Incorporating cross-linked polymer in the shell of the toner particles provide bumps in the surface of the toner particles. These bumps can behave as spacers. Such toner can be formed by aggregating at least polymer particles and colorant particles to form core particles; aggregating at least cross-linked polymer particles to the surface of the core particles; and coalescing the resulting particles to form toner particles.

    摘要翻译: 本文所述的调色剂含有含有聚合物,着色剂和交联聚合物的调色剂颗粒。 交联聚合物至少并入至调色剂颗粒的壳中。 将交联聚合物掺入调色剂颗粒的壳体中在调色剂颗粒的表面提供凸起。 这些凸起可以作为间隔物。 这样的调色剂可以通过至少聚集聚合物颗粒和着色剂颗粒以形成核心颗粒而形成; 将至少交联的聚合物颗粒聚集到芯颗粒的表面; 并将所得颗粒聚结形成调色剂颗粒。

    Method of making a conductive micro-powder resin
    80.
    发明授权
    Method of making a conductive micro-powder resin 有权
    制造导电微粉树脂的方法

    公开(公告)号:US06361915B1

    公开(公告)日:2002-03-26

    申请号:US09722512

    申请日:2000-11-28

    IPC分类号: G03G500

    摘要: A process for manufacturing a conductive micro-powder includes the steps of: (i) forming an aqueous dispersion of conductive material and the first surfactant, (ii) mixing a latex emulsion of a polymer and a second surfactant into the aqueous dispersion to form a suspension and (iii) recovering the conductive micro-powder from the suspension. The first and second surfactants are of the same class and polarity. The conductive micro-powder finds particular utility as a coating for carrier core particles, and as a conductive coating component of carrier particle coatings.

    摘要翻译: 制造导电微粉的方法包括以下步骤:(i)形成导电材料和第一表面活性剂的水性分散体,(ii)将聚合物和第二表面活性剂的胶乳乳液混合到水分散体中以形成 悬浮液和(iii)从悬浮液中回收导电微粉末。 第一和第二表面活性剂具有相同的类别和极性。 导电性微粉末作为载体核心颗粒的涂层和作为载体颗粒涂层的导电涂层组分具有特别的用途。