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    • 9. 发明授权
    • Thermal transfer sheet, thermal transfer sheet set, and image forming method
    • 热转印片,热转印片组和成像方法
    • US08035670B2
    • 2011-10-11
    • US12360617
    • 2009-01-27
    • Satoru ShinoharaYasushi HirumiMasanobu Hida
    • Satoru ShinoharaYasushi HirumiMasanobu Hida
    • B41M1/14
    • B41M5/385B41M5/38207B41M2205/02
    • A thermal transfer sheet includes coloring material layers D1, D2, and D3. Transferred images respectively formed by the coloring material layers D1, D2, and D3 have a value C defined by mathematical formula 1 of less than 12, and colorimetric values P (a*, b*) defined by mathematical formulae 2 and 3 different from one another: C=([a*]2+[b*]2)0.5   (mathematical formula 1) where C represents chroma and a* and b* each represent a colorimetric value equivalent to L*=38, [a*]=(ay−ax)/(Ly−Lx)*(38−Lx)+ax   (mathematical formula 2), and [b*]=(by−bx)/(Ly−Lx)*(38−Lx)+bx   (mathematical formula 3) where Lx, ax, bx, Ly, ay, and by represent colorimetric values at adjacent step Sx and step Sy near L*=38 when a stairstep image is formed by transfer.
    • 热转印片包括着色材料层D1,D2和D3。 由着色材料层D1,D2和D3分别形成的转印图像具有由数学式1定义为小于12的值C,由数学式2和3定义的比色值P(a *,b *)不同于 另一个:C =([a *] 2+ [b *] 2)0.5(数学式1)其中C表示色度,a *和b *分别表示等于L * = 38的色度值,[a *] = (ay-ax)/(Ly-Lx)*(38-Lx)+ ax(数学式2)和[b *] =(by-bx)/(Ly-Lx)*(38-Lx)+ bx (数学公式3)其中Lx,ax,bx,Ly,ay,并且表示当通过转移形成stairstep图像时相邻步骤Sx和步骤Sy近L * = 38处的色度值。
    • 10. 发明授权
    • Method for fluorescent image formation, print produced thereby and thermal transfer sheet thereof
    • 用于荧光图像形成的方法,由此产生的印刷和其热转印片
    • US07989390B2
    • 2011-08-02
    • US12320728
    • 2009-02-03
    • Satoshi NaritaKoji Eto
    • Satoshi NaritaKoji Eto
    • B41M5/035B41M5/50
    • B41M5/385B41M3/144B41M5/345B41M2205/02Y10S430/146Y10T428/24802
    • The present invention relates to a method for fluorescent image formation which can form a highly scratch-resistant fluorescent full-color image using a colorless fluorescent agent and can freely regulate the tone of color mixture of a combination of two or more fluorescent colors in order to impart, to articles, a higher level of forgery preventive function than a prior art technique and a print having a high level of forgery preventive function. The invention characterized in that fluorescent inks are provided that are substantially colorless upon visible light irradiation and contain organic fluorescent agents which, upon ultraviolet light irradiation, emit fluorescences in a visible region, and that two or more fluorescent inks, which emit fluorescences having mutually different color tones, are deposited on a printing face in its image formation region according to information on an image to be printed in a dot matrix manner so that dots of one color do not overlap with dots of another color.
    • 荧光图像形成方法技术领域本发明涉及一种荧光图像形成方法,其可以使用无色荧光剂形成高耐刮擦荧光全色图像,并且可以自由调节两种或更多种荧光颜色的组合的混合色调,以便 赋予物品比现有技术更高级别的防伪功能和具有高水平的防伪功能的打印件。 本发明的特征在于提供荧光油墨,其在可见光照射下基本上是无色的,并且含有有机荧光剂,其在紫外光照射下在可见光区域发出荧光,并且发出两种或更多种荧光墨,其发射具有相互不同的荧光 色调根据关于要以点阵方式打印的图像的信息而沉积在其图像形成区域中的打印面上,使得一种颜色的点不与另一种颜色的点重叠。