专利名称：ELECTROCHROMIC DISPLAY MATERIAL 发明人：NOMURA KENJI,ISODA SATORU,MASUMI TATSUO
申请号：JP11661480eskimo kiss
hotissue申请日：19800822
公开号：JPS6334914B2
公开日：
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19880712
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摘要：PURPOSE:The titled display material for prolonging lifetime both in repeated display and memory display, obtained by utilizing the oxidation and reduction reactions of a viologen compound derivative shown by a specific formula, having an organic substituted phosphoric ester, etc. anion as a counter ion. CONSTITUTION:The coloring and decoloring reactions caud by the oxidation and reduction of a viologen compound shown by the formula [R1 and R2 are alkyl, aryl, aralkyl; X1<-> is phosphoric ester anion of (R3-O)2P(=O)O<->, R4-P(=O)ONaO<->, phosphonic acid anion of (R5)2P(=O)O<->;
X2<2-> is phosphoric ester anion of R6- OP(=O)O2<2->, phosphonic acid anion of R7-
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P(=O)O2<2->; R3-R7 are alkyl, aryl, aralkyl], having an organic substituted phosphoric ester anion or organic substituted phosphonic acid anion as a counter ion, are utilized to give the desired display material. EFFECT:Since this material is not crystallized in a coloring state, it is decolored easily after memory action.
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申请人：MITSUBISHI ELECTRIC CORP
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