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公开(公告)号:US4767693A
公开(公告)日:1988-08-30
申请号:US105512
申请日:1987-10-02
申请人: Hideaki Oba , Yutaka Ueda , Tsutomu Sato , Masaakira Umehara , Michiharu Abe , Hitoshi Funakoshi , Seiko Kobayashi
发明人: Hideaki Oba , Yutaka Ueda , Tsutomu Sato , Masaakira Umehara , Michiharu Abe , Hitoshi Funakoshi , Seiko Kobayashi
IPC分类号: G11B7/2472 , G11B7/249 , G11B7/253 , G11B7/2533 , G03C1/00
CPC分类号: G11B7/2472 , G11B7/249 , G11B7/2533 , G11B7/256 , Y10S430/146
摘要: This invention provides an optical information recording medium that has, on a substrate, a recording layer containing a cyanine dye represented by the general formula: ##STR1## (wherein, R.sub.1, R.sub.2 and R.sub.3 may be the same or different and each stands for a substituted or unsubstituted alkyl group; X stands for a perhalogenate ion, a toluenesulfonate ion or an alkylsulfate ion; n stands for an integrer of 0 or 1-3; a first halogen atom is present in at least one of each 4, 6 and 7-positions of the indole and indolenine rings; a second halogen atom may be present in each 5-position of said rings; and at lest one group consisting of alkyl, alkoxy, hydroxy, carboxy, allyl and alkylcarbonyl may be present in at least one of each 4, 5, 6 and 7-positions of said rings.) and, if necessary, a transition metal complex or a salt of said complex with a cation.
摘要翻译: 本发明提供了一种光学信息记录介质,其在基板上具有包含由以下通式表示的花青染料的记录层:其中,R 1,R 2和R 3可以相同或不同,各代表 取代或未取代的烷基; X表示全卤酸根离子,甲苯磺酸根离子或烷基硫酸根离子; n表示0或1-3的整数;第一个卤素原子存在于每个4,6和7中的至少一个中 吲哚和吲哚宁环的位置;第二卤素原子可以存在于所述环的每个5-位;并且至少一个由烷基,烷氧基,羟基,羧基,烯丙基和烷基羰基组成的基团可以存在于至少一个 所述环的每个4,5,6和7位)和如果需要的话,所述络合物与阳离子的过渡金属络合物或盐。
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2.
公开(公告)号:US4676923A
公开(公告)日:1987-06-30
申请号:US803516
申请日:1985-12-02
申请人: Shigeo Yasui , Masashi Ono , Seiko Kobayashi , Shigeo Senzai , Tatsuo Uchida
发明人: Shigeo Yasui , Masashi Ono , Seiko Kobayashi , Shigeo Senzai , Tatsuo Uchida
IPC分类号: C09B1/02 , C09B1/503 , C09B5/24 , C09B5/32 , C09B5/62 , C09B29/00 , C09B31/00 , C09B35/02 , C09K19/60 , C09K19/10 , C09K19/12 , G02F1/13
摘要: New dichroic dyestuffs for the guest-host type liquid crystal and new liquid crystal compositions containing said dyestuff having an excellent improved dichroism and being prepared by introducing at least one group selected from the group consisting of phenyl, cyclohexyl, phenylcarbonyloxy and phenyloxycarbonyl group into a phenyl, a cyclohexyl or a naphthyl group at its 4-position, which is arranged at the end of a known dichroic dyestuff molecule along the major axis of the molecule.
摘要翻译: 用于客体型液晶的新型二色性染料和含有所述染料的新型液晶组合物具有优异的改善的二色性,并且通过将至少一种选自苯基,环己基,苯基羰基氧基和苯氧基羰基的基团引入到苯基中 ,其4-位上的环己基或萘基,其沿着分子的长轴布置在已知二色性染料分子的末端。
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