会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明申请
    • Azo Compound, And Dye-Containing Polarizing Film Comprising The Same
    • 偶氮化合物和含有染料的偏光膜包括它
    • US20100226008A1
    • 2010-09-09
    • US12739210
    • 2008-10-30
    • Takahiro HigetaHiroaki OhnoYuichi Sadamitsu
    • Takahiro HigetaHiroaki OhnoYuichi Sadamitsu
    • G02B5/30C07C245/10
    • C07D249/22C09B31/072C09B31/08C09B31/20C09B31/22C09B31/30C09B45/28C09B56/08G02B5/3025G02B5/3033
    • Disclosed is an azo compound represented by the formula (1) or (2) or a salt thereof. The azo compound or the salt thereof has an excellent light-polarizing property, and is extremely useful as a dichroic dye for use in a polarizing plate that shows less color leakage in a visible light range or a polarizing plate for a liquid crystal projector comprising the aforementioned polarizing plate. (1) (2) wherein R1 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a hydroxyl group, a sulfonate group or a carboxyl group; R2 to R5 independently represent a hydrogen atom, a lower alkyl group, a lower alkoxy group or an acetylamino group; X represents a benzoylamino group which may have a substituent, a phenylamino group which may have a substituent, a phenylazo group which may have a substituent, or a naphthotriazole group which may have a substituent; m represents a numeral number of 1 or 2; and n represents a numeral number of 0 or 1.
    • 公开了由式(1)或(2)表示的偶氮化合物或其盐。 偶氮化合物或其盐具有优异的光偏振性,并且作为用于偏光板的二色性染料非常有用,该偏光板在可见光范围内显示较少的色漏,或用于液晶投影仪的偏振片包括 上述偏振片。 (1)(2)其中R1表示氢原子,低级烷基,低级烷氧基,羟基,磺酸酯基或羧基; R2至R5独立地表示氢原子,低级烷基,低级烷氧基或乙酰氨基; X表示可以具有取代基的苯甲酰氨基,可以具有取代基的苯基氨基,可以具有取代基的苯偶氮基或可具有取代基的萘并三唑基; m表示1或2的数字; n表示数字0或1。