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1.发明授权Particle for a display device, image display medium and image forming apparatus 有权用于显示装置的微粒，图像显示介质和图像形成装置公开(公告)号：US07023608B2
公开(公告)日：2006-04-04
申请号：US10626564
申请日：2003-07-25
申请人： Satoshi Hiraoka , Hidehiko Soyama , Yasuo Yamamoto
发明人： Satoshi Hiraoka , Hidehiko Soyama , Yasuo Yamamoto
CPC分类号： G09G3/344 , G02F1/167 , G02F2001/1674 , G09G2300/06
摘要： A particle for a display device having a positively or negatively chargeable property and a color, the particle for a display device comprising nitrogen atoms in an amount of 0.03 mmol/g to 0.2 mmol/g. This particle for a display device can avoid reduction in image density and density contrast even after repeated rewriting, and thus prevent decrease in uniformity of an image and unevenness in image from occurring.
摘要翻译： 具有正或负带电特性和颜色的显示装置的颗粒，显示装置用颗粒含有0.03mmol / g至0.2mmol / g的氮原子。 用于显示装置的该颗粒即使在重复重写之后也可以避免图像浓度和浓度对比度的降低，从而防止图像的均匀性下降和图像不均匀性的发生。
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公开(公告)号：US20050151463A1
公开(公告)日：2005-07-14
申请号：US10928499
申请日：2004-08-30
申请人： Yasuo Yamamoto , Hidehiko Soyama , Satoshi Hiraoka
发明人： Yasuo Yamamoto , Hidehiko Soyama , Satoshi Hiraoka
CPC分类号： G09F9/372 , G02F1/167 , G02F2001/1674
摘要： The present invention provides an image display medium including a pair of substrates disposed so as to face each other and first and second particles contained in space between the pair of substrates, wherein the first particles can be positively or negatively charged due to external stimulus and have one color and a particle size distribution in which at least one peak is present on a coarse side of the most frequent particle diameter of the first particles, and the second particles are not charged or can be charged due to the external stimulus to have polarity opposite to that of the first particles and have another color: and an image formation device comprising the image display medium and a generator for generating an electric field between the pair of substrates in accordance with an image to be displayed.
摘要翻译： 本发明提供了一种图像显示介质，包括一对基板相对配置，并且第一和第二颗粒包含在一对基板之间的空间中，其中第一颗粒可由于外部刺激而带正电或带负电荷并具有 一种颜色和一种粒度分布，其中至少一个峰存在于第一颗粒的最常粒径的粗糙侧上，并且第二颗粒不被充电或由于外部刺激而被带电以具有极性相反 与第一颗粒的颜色相同，并且具有另一颜色：以及包括图像显示介质的图像形成装置和用于根据要显示的图像在一对基板之间产生电场的发生器。
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3.发明申请Process for producing display device particles, display device particles, and image-display medium and image-forming device using the same 审中-公开用于制造显示装置颗粒，显示装置颗粒和图像显示介质的方法以及使用其的图像形成装置公开(公告)号：US20050030610A1
公开(公告)日：2005-02-10
申请号：US10796019
申请日：2004-03-10
申请人： Hidehiko Soyama , Satoshi Hiraoka , Yasuo Yamamoto
发明人： Hidehiko Soyama , Satoshi Hiraoka , Yasuo Yamamoto
CPC分类号： G02F1/167 , G03G5/00 , G03G9/0804
摘要： The present invention provides a process for producing display device particles having positive or negative chargeability and having color, including: at least an emulsification step in which calcium carbonate is added as an emulsifying auxiliary to a display device particle-forming composition that contains a colorant and a polymerizable monomer or a resin, wherein the emulsifying auxiliary is calcium carbonate coated with a hydrophilic organic material, an average dispersed particle size of the emulsifying auxiliary present in an aqueous medium ranges from 0.05 to 1 μm, a variation coefficient of the dispersed particle sizes is 60% or less, and an electric field generating unit is provided to generate an electric field corresponding to the image.
摘要翻译： 本发明提供一种具有正或负带电性并具有颜色的显示装置颗粒的方法，其包括：至少一个乳化步骤，其中将碳酸钙作为乳化助剂加入到含有着色剂的显示装置颗粒形成组合物中， 可聚合单体或树脂，其中乳化助剂是用亲水性有机材料涂覆的碳酸钙，水性介质中存在的乳化助剂的平均分散粒径为0.05-1μm，分散粒径的变异系数 为60％以下，并且提供电场产生单元以产生与图像相对应的电场。
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4.发明授权Display device particles, process for producing the same, image-display medium, and image-forming device 失效显示装置颗粒，其制造方法，图像显示介质和图像形成装置公开(公告)号：US07616373B2
公开(公告)日：2009-11-10
申请号：US10863390
申请日：2004-06-09
申请人： Hidehiko Soyama , Satoshi Hiraoka , Yasuo Yamamoto
发明人： Hidehiko Soyama , Satoshi Hiraoka , Yasuo Yamamoto
摘要： The present invention provides display device particles that have positive or negative chargeability and have color and are produced using at least a calcium compound, in which a concentration of the calcium compound in the display device particle is 0.05% by weight or less in terms of a calcium element content, a process for producing the display device particles, as well as an image-display medium and an image-forming device each using the display device particles.
摘要翻译： 本发明提供具有正或负带电性并具有颜色并且至少使用钙化合物制成的显示装置颗粒，其中显示装置颗粒中的钙化合物的浓度为0.05重量％以下 钙元素含量，制造显示装置颗粒的方法，以及使用显示装置颗粒的图像显示介质和图像形成装置。
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公开(公告)号：US20050075936A1
公开(公告)日：2005-04-07
申请号：US10868812
申请日：2004-06-17
CPC分类号： G09G3/344 , G02B26/02 , G02F1/167 , G02F2001/1674 , G02F2203/34 , G06Q20/207
摘要： The present invention provides an image display medium comprising a pair of substrates facing each other; and a particle group comprising two or more types of particles sealed in a space between the substrates, at least one of the two or more types of particles being positively chargeable by an external stimulus and at least one other of the two or more types of particles being negatively chargeable by an external stimulus, and the positively chargeable and negatively chargeable particles having, respectively, colors different from each other, wherein the positively chargeable and negatively chargeable particles have particle size distributions satisfying 0.4
摘要翻译： 本发明提供一种图像显示介质，其包括一对彼此面对的基板; 以及包含密封在所述基板之间的空间中的两种或更多种类型的颗粒的颗粒组，所述两种或更多种类型的颗粒中的至少一种可通过外部刺激和所述两种或更多种类型的颗粒中的至少一种形成正电荷 通过外部刺激负带电，并且带正电荷和带负电荷的颗粒分别具有彼此不同的颜色，其中可带正电荷和带负电荷的颗粒具有满足0.4≤Ds/ D1小于0.9的粒度分布。 Ds表示至少一种带有一个极性的颗粒的粒度分布，D1表示以另一极性充电的至少一种其它类型的颗粒的粒度分布。
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6.发明申请Display device particles, process for producing the same, image-display medium, and image-forming device 失效显示装置颗粒，其制造方法，图像显示介质和图像形成装置公开(公告)号：US20050074680A1
公开(公告)日：2005-04-07
申请号：US10863390
申请日：2004-06-09
申请人： Hidehiko Soyama , Satoshi Hiraoka , Yasuo Yamamoto
发明人： Hidehiko Soyama , Satoshi Hiraoka , Yasuo Yamamoto
摘要： The present invention provides display device particles that have positive or negative chargeability and have color and are produced using at least a calcium compound, in which a concentration of the calcium compound in the display device particle is 0.05% by weight or less in terms of a calcium element content, a process for producing the display device particles, as well as an image-display medium and an image-forming device each using the display device particles.
摘要翻译： 本发明提供具有正或负带电性并具有颜色并且至少使用钙化合物制成的显示装置颗粒，其中显示装置颗粒中的钙化合物的浓度为0.05重量％以下 钙元素含量，制造显示装置颗粒的方法，以及使用显示装置颗粒的图像显示介质和图像形成装置。
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7.发明授权Particles for display device, image display medium using the same, and image forming device 有权用于显示装置的颗粒，使用其的图像显示介质和图像形成装置公开(公告)号：US06876486B2
公开(公告)日：2005-04-05
申请号：US10658532
申请日：2003-09-10
申请人： Satoshi Hiraoka , Hidehiko Soyama , Yasuo Yamamoto
发明人： Satoshi Hiraoka , Hidehiko Soyama , Yasuo Yamamoto
CPC分类号： G02B26/02 , G02F1/167 , G09G3/344 , G09G2300/06
摘要： An image display medium comprises a display substrate on which an image is displayed and a non-displaying substrate opposing to the substrate, wherein a spacer and black particles and white particles are enclosed between these substrates. The display substrate and non-display substrate each have a transparent electrode, wherein the transparent electrode for the non-display substrate is grounded and the transparent electrode for the display substrate is connected to voltage applying means. As these black particles and white particles, particles for a display device having a weight reduction rate of not more than 0.3% at 100° C. to 240° C. are respectively used.
摘要翻译： 图像显示介质包括其上显示图像的显示基板和与基板相对的非显示基板，其中间隔件和黑色颗粒和白色颗粒被包围在这些基板之间。 显示基板和非显示基板各自具有透明电极，其中用于非显示基板的透明电极接地，并且用于显示基板的透明电极连接到电压施加装置。 作为这些黑色颗粒和白色颗粒，分别使用在100℃〜240℃下重量减少率不超过0.3％的显示装置用颗粒。
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8.发明授权Display device particles, process for producing the same, image-display medium, and image-forming device 有权显示装置颗粒，其制造方法，图像显示介质和图像形成装置公开(公告)号：US07864406B2
公开(公告)日：2011-01-04
申请号：US12567588
申请日：2009-09-25
申请人： Hidehiko Soyama , Satoshi Hiraoka , Yasuo Yamamoto
发明人： Hidehiko Soyama , Satoshi Hiraoka , Yasuo Yamamoto
摘要： The present invention provides display device particles that have positive or negative chargeability and have color and are produced using at least a calcium compound, in which a concentration of the calcium compound in the display device particle is 0.05% by weight or less in terms of a calcium element content, a process for producing the display device particles, as well as an image-display medium and an image-forming device each using the display device particles.
摘要翻译： 本发明提供具有正或负带电性并具有颜色并且至少使用钙化合物制成的显示装置颗粒，其中显示装置颗粒中的钙化合物的浓度为0.05重量％以下 钙元素含量，制造显示装置颗粒的方法，以及使用显示装置颗粒的图像显示介质和图像形成装置。
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9.发明授权Particle for display device, method for manufacturing particle for display device, image display medium and image forming apparatus 有权用于显示装置的颗粒，用于制造显示装置的颗粒的方法，图像显示介质和图像形成装置公开(公告)号：US07321460B2
公开(公告)日：2008-01-22
申请号：US10940968
申请日：2004-09-15
申请人： Satoshi Hiraoka , Hidehiko Soyama , Yasuo Yamamoto
发明人： Satoshi Hiraoka , Hidehiko Soyama , Yasuo Yamamoto
CPC分类号： G02F1/167
摘要： The invention provides particles for a display device having a positively or negatively chargeable property and color, and the particles have an abundance ratio of amorphous particles with a major axis to minor axis length ratio of approximately 1.2 or greater is approximately 5% or less by number.
摘要翻译： 本发明提供了具有正或负带电性质和颜色的显示装置的颗粒，并且颗粒具有大于等于或大于约1.2％的长轴与短轴长度比的无定形颗粒的丰度比大约为5％或更小 。
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公开(公告)号：US07205709B2
公开(公告)日：2007-04-17
申请号：US10928499
申请日：2004-08-30
申请人： Yasuo Yamamoto , Hidehiko Soyama , Satoshi Hiraoka
发明人： Yasuo Yamamoto , Hidehiko Soyama , Satoshi Hiraoka
CPC分类号： G09F9/372 , G02F1/167 , G02F2001/1674
摘要： The present invention provides an image display medium including a pair of substrates disposed so as to face each other and first and second particles contained in space between the pair of substrates, wherein the first particles can be positively or negatively charged due to external stimulus and have one color and a particle size distribution in which at least one peak is present on a coarse side of the most frequent particle diameter of the first particles, and the second particles are not charged or can be charged due to the external stimulus to have polarity opposite to that of the first particles and have another color: and an image formation device comprising the image display medium and a generator for generating an electric field between the pair of substrates in accordance with an image to be displayed.
摘要翻译： 本发明提供了一种图像显示介质，包括一对基板相对配置，并且第一和第二颗粒包含在一对基板之间的空间中，其中第一颗粒可由于外部刺激而带正电或带负电荷并具有 一种颜色和一种粒度分布，其中至少一个峰存在于第一颗粒的最常粒径的粗糙侧上，并且第二颗粒不被充电或由于外部刺激而被带电以具有极性相反 与第一颗粒的颜色相同，并且具有另一颜色：以及包括图像显示介质的图像形成装置和用于根据要显示的图像在一对基板之间产生电场的发生器。
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