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    • 41. 发明专利
    • Reversible image display medium and image forming method using the image display medium
    • 可逆图像显示介质和使用图像显示介质的图像形成方法
    • JP2005172957A
    • 2005-06-30
    • JP2003409550
    • 2003-12-08
    • Ricoh Co Ltd株式会社リコー
    • KAWASHIMA IKUETAKAHASHI HIROYUKIHIRANO SHIGENOBU
    • G03C1/725G03C1/73G03C5/08
    • PROBLEM TO BE SOLVED: To provide a reversible image display medium capable of color display, capable of image display with very small photoirradiation energy and usable repeatedly for image display and erasure, and to provide an image forming method in which an irradiation method with very small photoirradiation energy is applied.
      SOLUTION: In the reversible image display medium obtained by stacking photosensitive layers separately containing three photochromic compounds different from one another in at least hue of coloring on a supporting substrate to perform multi-color display, the three photochromic compounds in the colorless state are different from one another in threshold wavelength at which transition to a colored state occurs, and reflective layers which reflect light for making a photochromic compound color is disposed between the undermost photosensitive layer and a photosensitive layer positioned thereon and between the uppermost photosensitive layer and a photosensitive layer positioned thereunder.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供能够进行彩色显示的可逆图像显示介质,能够以非常小的光照射能量进行图像显示,并可重复使用以进行图像显示和擦除,并提供一种图像形成方法,其中照射方法 具有非常小的光照射能量。 解决方案:在通过在支撑衬底上以至少色彩至少色调彼此不同的感光层堆叠感光层以进行多色显示而获得的可逆图像显示介质中,三色无色状态的光致变色化合物 在发生到着色状态的转变的阈值波长处彼此不同,并且反射用于产生光致变色化合物颜色的光的反射层设置在最下面的感光层和位于其上的感光层之间以及最上层的感光层和 感光层位于其下方。 版权所有(C)2005,JPO&NCIPI
    • 43. 发明专利
    • Imaging apparatus of photosensitive recording medium
    • 感光记录介质的成像装置
    • JP2003291386A
    • 2003-10-14
    • JP2002100250
    • 2002-04-02
    • Ricoh Co Ltd株式会社リコー
    • KAWASHIMA IKUETAKAHASHI HIROYUKIHIRANO SHIGENOBU
    • B41J2/32G02B5/20G02B5/23G03C1/73
    • PROBLEM TO BE SOLVED: To provide an imaging apparatus of a photosensitive recording medium in which blur of a light irradiation image is suppressed for an image display medium erasable through irradiation of light. SOLUTION: The imaging apparatus capable of forming an image repeatedly on an image display medium 4 having a photosensitive layer formed on a supporting substrate by irradiating a specified region with visible light comprises a visible light irradiating light source 1, a two-dimensional optical conversion element 2 for modulating light from the visible light irradiating light source 1 depending on image data, and an optical member 3 for enhancing the directivity of two-dimensional optical conversion element 2 interposed between the visible light irradiating light source 1 and the two-dimensional optical conversion element 2. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种光敏记录介质的成像装置,其中通过照射光可以消除能够消除的图像显示介质的光照射图像的模糊。 解决方案:能够通过用可见光照射指定区域,在具有形成在支撑基板上的感光层的图像显示介质4上反复形成图像的成像装置包括可见光照射光源1,二维 用于根据图像数据调制来自可见光照射光源1的光的光转换元件2以及用于增强置于可见光照射光源1和二维光源1之间的二维光转换元件2的方向性的光学部件3, 二维光转换元件2.版权所有(C)2004,JPO
    • 49. 发明专利
    • Electrochromic display element, display device and driving method
    • 电子显示元件,显示器件和驱动方法
    • JP2013011851A
    • 2013-01-17
    • JP2012039801
    • 2012-02-27
    • Ricoh Co Ltd株式会社リコー
    • TAKAHASHI HIROYUKIYASHIRO TORUFUJIMURA HIROSHIMURAKAMI AKISHIGEHIRANO SHIGENOBUUCHIJO SADAHISAOKADA YOSHITOMOTSUJI KAZUAKIKIM SEOK-CHAN
    • G02F1/155G02F1/163G09F9/30G09G3/20G09G3/38
    • G02F1/155G02F1/157G02F1/163G02F2001/1552G02F2201/16G02F2201/34G09G3/38G09G2300/08G09G2310/0251
    • PROBLEM TO BE SOLVED: To provide an electrochromic display element capable of producing a superior display quality without remaining any color, and to provide a display device and a driving method using the same.SOLUTION: An electrochromic display element includes: at least a display substrate 1b; a display electrode 1 provided on the display substrate 1b; an electrochromic layer 3 provided on the display electrode 1; a counter substrate 2b; a plurality of counter electrodes 2 that is provided on the counter substrate 2b and is arranged opposite to the display electrode 1; and an electrolyte layer 4 provided so as to be held between the display electrode 1 and the plurality of counter electrodes 2. The electrochromic display element further includes a clear electrode 5 as a third electrode in which the clear electrode is arranged between the display electrode 1 and the plurality of counter electrodes 2 and is arranged to sandwich the electrochromic layer 3 with the display electrode 1 such that a voltage can be applied between the clear electrode 5 and the display electrode 1.
    • 要解决的问题:提供能够产生优异的显示质量而不残留任何颜色的电致变色显示元件,并提供使用该电致变色显示元件的显示装置和使用该电致变色显示元件的驱动方法。 电致变色显示元件包括:至少显示基板1b; 设置在显示基板1b上的显示电极1; 设置在显示电极1上的电致变色层3; 对置基板2b; 设置在对置基板2b上并与显示电极1相对配置的多个对置电极2; 以及电解质层4,其被设置为保持在显示电极1和多个对置电极2之间。电致变色显示元件还包括作为第三电极的透明电极5,其中透明电极布置在显示电极1 和多个对置电极2,并且布置成将电致变色层3与显示电极1夹在一起,使得可以在透明电极5和显示电极1之间施加电压。版权所有:(C)2013,JPO&INPIT