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    • 32. 发明授权
    • Blue phosphor, light-emitting device, and plasma display panel
    • 蓝色荧光体,发光装置和等离子体显示面板
    • US08236201B2
    • 2012-08-07
    • US12438071
    • 2008-03-28
    • Yayoi KitamuraSeigo ShiraishiKojiro OkuyamaMasahiro Sakai
    • Yayoi KitamuraSeigo ShiraishiKojiro OkuyamaMasahiro Sakai
    • C09K11/08C09K11/66C09K11/02C09K11/77
    • H01J11/42C09K11/7734H01J11/12
    • The present invention provides a phosphor having high luminance, a property of low luminance degradation during driving of a light-emitting device and manufacturing processes, and chromaticity y in PDP comparable to that of BAM:Eu. The present invention is the phosphor represented by the general formula xSrO.yEuO.MgO.zSiO2 where 2.970≦x≦3.500, 0.001 ≦y≦0.030, and 1.900≦z≦2.100 are satisfied, wherein a main peak is present in the range of diffraction angle 2θ=16.1 to 16.5 degree in the X-ray diffraction pattern obtained by measurement on the blue phosphor using an X-ray with a wavelength of 0.774 Å, and at least one condition of the following conditions (A1) and (A2) is satisfied: (A1) at least two peaks whose tops are located in the range of diffraction angle 2θ=15.3 to 16.1 degree are present; and (A2) at least two peaks whose tops are located in the range of diffraction angle 2θ=22.2 to 23.3 degree are present.
    • 本发明提供一种具有高亮度,在发光装置的驱动期间的低亮度劣化和制造工艺以及与BAM:Eu相当的PDP中的色度y的特性的荧光体。 本发明是由通式xSrO.yEuO.MgO·zSiO 2表示的荧光体,其中满足2.970≦̸ x≦̸ 3.500,0.001和nlE; y≦̸ 0.030和1.900< lE; z≦̸ 2.100,其中主峰存在于 在通过使用波长为0.774的X射线对蓝色荧光体进行测量而获得的X射线衍射图中的衍射角2的范围= 16.1〜16.5度,以及以下条件(A1)的至少一个条件, 和(A2):(A1)存在顶部位于衍射角2的范围内的至少两个峰值= 15.3〜16.1度; 和(A2)存在其顶部位于衍射角2的范围内的至少两个峰值; = 22.2至23.3度。
    • 36. 发明授权
    • Development apparatus and image forming apparatus
    • 显影装置和图像形成装置
    • US07792473B2
    • 2010-09-07
    • US12036444
    • 2008-02-25
    • Masahiro Sakai
    • Masahiro Sakai
    • G03G15/09
    • G03G15/0921G03G15/0942
    • A development apparatus that performs development by forming a magnetic brush using a two-component developer is provided with a developer tank that stores developer; a developer bearing member provided with a development sleeve that carries the developer stored in the developer tank on the outer circumferential face and transports the developer to a development area where the electrostatic latent image on the image bearing carrier is developed, the development sleeve being provided with at least a main pole magnet in which a main pole is formed that faces the development area, and an interpole magnet in which an interpole is formed adjacent to the main pole on the downstream side in a developer transport direction; and a carrier recovery means in which a pushing/bending magnetic pole of the same polarity as the interpole is formed such that magnetic force lines of the interpole in the developer bearing member are pushed/bent to the inside of the developer tank.
    • 通过使用双组分显影剂形成磁刷来进行显影的显影装置设置有存储显影剂的显影剂罐; 显影剂承载部件,其具有显影套筒,该显影套筒将存储在显影剂罐中的显影剂携带在外周面上,并将显影剂输送到图像承载载体上的静电潜像显影的显影区域,显影套筒设置有 至少形成有面向显影区域的主极的主极磁体和在显影剂输送方向上在下游侧与主极相邻地形成极间的极间磁体; 以及载体恢复装置,其中形成与极间极性相同的推/弯磁极,使得显影剂承载构件中的极间的磁力线被推/弯到显影剂罐的内部。
    • 37. 发明授权
    • Two-component developer and two-component developing apparatus using the same
    • 双成分显影剂和使用其的双组分显影装置
    • US07687216B2
    • 2010-03-30
    • US11154589
    • 2005-06-17
    • Toshiharu KataokaMasahiro Sakai
    • Toshiharu KataokaMasahiro Sakai
    • G03G9/113
    • G03G9/0821G03G9/09G03G9/107G03G9/1133G03G9/1135G03G9/1138G03G9/1139
    • A two-component developer is provided in which the reduction of the hot offset occurrence temperature due to detachment of the coating layer, image density insufficiency, image fogging and toner scattering and the like can be suppressed. In the two-component developer including a toner and a carrier, the content of acrylic resin in a coating layer of the carrier is in a range from 5 to 50% by weight based on the total amount of the coating layer, and the dielectric loss (tan δ) is in the range from 4.0×10−3 to 15.0×10−3. By using the two-component developer, the reduction of the hot offset occurrence temperature in a fixing apparatus can be prevented. Further, image density insufficiency, image fogging and toner scattering and the like can be suppressed, with a result that images having high quality and sufficient image density can be obtained.
    • 提供了一种双组分显影剂,其中可以抑制由于涂层脱离引起的热偏移发生温度的降低,图像密度不足,图像起雾和调色剂散射等。 在包含调色剂和载体的双组分显影剂中,载体涂层中丙烯酸树脂的含量为涂层总量的5〜50重量%,介电损耗 (tanδ)在4.0×10 -3〜15.0×10 -3的范围内。 通过使用双组分显影剂,可以防止定影装置中的热偏移发生温度的降低。 此外,可以抑制图像浓度不足,图像雾化和调色剂散射等,从而可以获得具有高质量和足够的图像浓度的图像。
    • 38. 发明授权
    • Developing unit and image forming apparatus using the same
    • 显影单元和使用其的图像形成装置
    • US07587154B2
    • 2009-09-08
    • US11956382
    • 2007-12-14
    • Masahiro SakaiShuichi AkedoShigeki HayashiTeruyoshi Sudoh
    • Masahiro SakaiShuichi AkedoShigeki HayashiTeruyoshi Sudoh
    • G03G21/20
    • G03G21/206G03G2221/1645
    • A developing unit for developing an electrostatic latent image formed on the outer peripheral surface of a latent image bearing member rotating in one direction with a developer by mixing electrostatically chargeable toner and magnetic carrier, includes: a developing roller; a carrier collecting roller; a cooling portion including a forced draft duct for airflow from a fan and disposed on the bottom side of the developing vessel; a suctioning portion including a suctioning duct for airflow from suctioning ports disposed on the lower side of the carrier collecting roller, disposed under the forced draft duct; a filter for removing the scattering toner from air including the scattering toner suctioned from the suctioning ports; and, an exhaust portion including an airflow exhaust duct for discharging the air passed through the filter and the forced draft duct to an exhaust port.
    • 一种显影单元,用于显影静电潜像,其形成在通过混合可静电电荷的调色剂和磁性载体的显影剂沿一个方向一个方向旋转的潜像承载部件的外周表面上,包括:显影辊; 载体收集辊; 冷却部分,其包括用于来自风扇的气流的强制通风管,并设置在显影容器的底侧; 抽吸部分,其包括设置在载体收集辊的下侧的设置在强制通风管下方的吸入口的用于气流的吸入管; 用于从包括从吸入口吸入的散射调色剂的空气中除去散射调色剂的过滤器; 以及包括用于将通过过滤器的空气排出到排气口的排气管的排气部。