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    • 53. 发明授权
    • Full color image forming method using two cyan toners
    • 全彩色成像方法采用两种青色调色剂
    • US08841051B2
    • 2014-09-23
    • US12919170
    • 2009-07-13
    • Shiro HiranoNaohiro HiroseKaori SoedaMiyuki MurakamiYouhei Ohno
    • Shiro HiranoNaohiro HiroseKaori SoedaMiyuki MurakamiYouhei Ohno
    • G03G15/01G03G9/08G03G9/09
    • G03G15/0178G03G9/0821G03G9/09G03G9/0918G03G9/0926G03G15/0194
    • Provided is a full color image forming method wherein high color reproducibility especially on a blue system and a green system can be obtained and an excellent gradation property can be obtained in a full color image to be obtained. The full color image forming method for forming a full color image by using at least yellow toner, magenta toner, and two kinds of cyan toners (1, 2) is characterized in that a toner image formed by the cyan toner (1) alone has the value of the maximum color saturation (C*) of not less than 50 and the value of lightness (L*) in a color space represented by an L*a*b* colorimetric system of not less than 30 and not more than 52, and that a toner image formed by the cyan toner (2) alone has the value of the maximum color saturation (C*) of not less than 50 and the value of the lightness (L*) in the color space represented by the L*a*b* colorimetric system of not less than 58 and not more than 75.
    • 提供了一种全色图像形成方法,其中可以获得特别是在蓝色系统和绿色系统上的高色彩再现性,并且可以在要获得的全色图像中获得优异的灰度特性。 使用至少黄色调色剂,品红色调色剂和两种青色调色剂(1,2)形成全色图像的全色图像形成方法的特征在于,仅由青色调色剂(1)形成的调色剂图像具有 最大色彩饱和度(C *)不小于50的值和由L * a * b *比色系统表示的颜色空间中的亮度值(L *)不小于30且不大于52 ,并且由青色调色剂(2)单独形成的调色剂图像的最大色彩饱和度(C *)的值不小于50,并且由L表示的色彩空间中的亮度(L *)的值 * a * b *比色系统不小于58且不超过75。
    • 59. 发明申请
    • FULL COLOR IMAGE FORMING METHOD
    • 全彩色图像形成方法
    • US20110008071A1
    • 2011-01-13
    • US12919170
    • 2009-07-13
    • Shiro HiranoNaohiro HiroseKaori SoedaMiyuki MurakamiYouhei Ohno
    • Shiro HiranoNaohiro HiroseKaori SoedaMiyuki MurakamiYouhei Ohno
    • G03G13/01
    • G03G15/0178G03G9/0821G03G9/09G03G9/0918G03G9/0926G03G15/0194
    • Provided is a full color image forming method wherein high color reproducibility especially on a blue system and a green system can be obtained and an excellent gradation property can be obtained in a full color image to be obtained. The full color image forming method for forming a full color image by using at least yellow toner, magenta toner, and two kinds of cyan toners (1, 2) is characterized in that a toner image formed by the cyan toner (1) alone has the value of the maximum color saturation (C*) of not less than 50 and the value of lightness (L*) in a color space represented by an L*a*b* colorimetric system of not less than 30 and not more than 52, and that a toner image formed by the cyan toner (2) alone has the value of the maximum color saturation (C*) of not less than 50 and the value of the lightness (L*) in the color space represented by the L*a*b* calorimetric system of not less than 58 and not more than 75.
    • 提供了一种全色图像形成方法,其中可以获得特别是在蓝色系统和绿色系统上的高色彩再现性,并且可以在要获得的全色图像中获得优异的灰度特性。 使用至少黄色调色剂,品红色调色剂和两种青色调色剂(1,2)形成全色图像的全色图像形成方法的特征在于,仅由青色调色剂(1)形成的调色剂图像具有 最大色彩饱和度(C *)不小于50的值和由L * a * b *比色系统表示的颜色空间中的亮度值(L *)不小于30且不大于52 ,并且由青色调色剂(2)单独形成的调色剂图像的最大色彩饱和度(C *)的值不小于50,并且由L表示的色彩空间中的亮度(L *)的值 * a * b *量热系统不小于58且不大于75。