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    • 7. 发明申请
    • ELECTROPHORETIC DISPLAY MEDIUM AND PREPARING METHOD THEREOF
    • 电泳显示介质及其制备方法
    • US20120229885A1
    • 2012-09-13
    • US13508624
    • 2009-12-28
    • Yu ChenLei ZhangZuliang LiuXi ZengSongli Wei
    • Yu ChenLei ZhangZuliang LiuXi ZengSongli Wei
    • G03G17/04G02F1/167
    • G02F1/167G02F2001/1678
    • An electrophoretic display medium and preparing method thereof. The electrophoretic display medium comprises: negatively or positively-charged pigment particles; neutral pigment particles with colors different from the charged pigment particles; and low-polar and/or non-polar dispersing solvent. The method of preparing the electrophoretic display medium comprises: synthesizing neutral pigment particles; synthesizing charged pigment particles; and preparing electrophoretic display medium. The method of synthesizing the neutral pigment particles comprises: mixing together pigment particles, macromonomers, coupling-agents and chain-initiators for polymeric reaction in the solvent, and reacting at a temperature of 30-120° C. for 4-48 hours. The method is applied to many kinds of inorganic oxides, inorganic salts and complex inorganic salt pigments. This method fundamentally avoids agglomeration caused by attraction of positively and negatively-charged electrophoretic particles, greatly enhancing display performance. The steps of synthesizing particles are simple and the preparing procedure of the electrophoretic medium is simplified, making the whole process simple and highly efficient.
    • 一种电泳显示介质及其制备方法。 电泳显示介质包括:带负电或带正电的颜料颗粒; 具有不同于带电颜料颗粒的颜色的中性颜料颗粒; 和低极性和/或非极性分散溶剂。 制备电泳显示培养基的方法包括:合成中性颜料颗粒; 合成带电颜料颗粒; 并制备电泳显示介质。 合成中性颜料颗粒的方法包括:将颜料颗粒,大分子单体,偶联剂和引发剂混合在溶剂中进行聚合反应,并在30-120℃的温度下反应4-48小时。 该方法适用于多种无机氧化物,无机盐和复合无机盐颜料。 这种方法从根本上避免了带正电荷和带负电荷的电泳颗粒引起的聚集,大大提高了显示性能。 合成颗粒的步骤简单,电泳介质的制备步骤简单,整个过程简单高效。