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
    • 7. 发明授权
    • Anti-ferroelectric liquid crystal cell
    • 反铁电液晶电池
    • US6151095A
    • 2000-11-21
    • US194203
    • 1998-11-20
    • Yasushi SuzukiAkira SuguroTomoyuki YuiMasahiro JohnoTakahiro Matsumoto
    • Yasushi SuzukiAkira SuguroTomoyuki YuiMasahiro JohnoTakahiro Matsumoto
    • C09K19/02C09K19/20G02F1/133G02F1/141C09K19/12
    • C09K19/0266C09K19/2021G02F1/141G02F1/13306G02F2001/1412
    • An antiferroelectric liquid crystal cell having a high-speed response and wide viewing angle characteristic free of an image sticking phenomenon is provided. This antiferroelectric liquid crystal cell is composed of an antiferroelectric liquid crystal material held between a pair of parallel substrates. The antiferroelectric liquid crystal material filled between the parallel substrates has such a characteristic that when a sinusoidal voltage value with a changing reference frequency is applied to the antiferroelectric liquid crystal cell, the imaginary part of the complex dielectric constant obtained by Fourier transform of the output voltage value output from the antiferroelectric liquid crystal cell has no local maximum value within the reference frequency range of 100 Hz to 5 kHz. In other words, this characteristic is similar to a characteristic such that when the real part and the imaginary part of the complex dielectric constant are plotted by using a Cole--Cole plot for each frequency, a characteristic curve having no local maximum value within the reference frequency range of 100 Hz to 5 kHz is obtained.
    • PCT No.PCT / JP98 / 01195 Sec。 371日期:1998年11月20日 102(e)1998年11月20日日期PCT 1998年3月19日PCT PCT。 WO98 / 42801 PCT出版物 日期1998年10月1日提供了具有无图像残留现象的高速响应和宽视角特征的反铁电液晶单元。 该反铁电液晶单元由保持在一对平行基板之间的反铁电液晶材料构成。 填充在平行基板之间的反铁电液晶材料具有以下特征:当将具有变化的基准频率的正弦电压值施加到反铁电液晶单元时,通过傅里叶变换输出电压获得的复介电常数的虚部 来自反铁电液晶单元的输出值在100Hz至5kHz的参考频率范围内没有局部最大值。 换句话说,该特性类似于这样的特性,即当通过使用每个频率的Cole-Cole绘图绘制复介电常数的实部和虚部时,在参考中没有局部最大值的特性曲线 获得100Hz至5kHz的频率范围。
    • 9. 发明授权
    • Phenyl triester compound and anti-ferroelectric liquid crystal composition containing the same
    • 苯基三酯化合物和含有它的反铁电液晶组合物
    • US06217954B1
    • 2001-04-17
    • US09413482
    • 1999-10-06
    • Yuki MotoyamaTakahiro MatsumotoMasahiro JohnoTomoyuki Yui
    • Yuki MotoyamaTakahiro MatsumotoMasahiro JohnoTomoyuki Yui
    • C09K1912
    • C09K19/0266C07C69/90C09K19/2021Y10T428/10
    • An anti-ferroelectric liquid crystal composition containing a phenyl triester compound of the formula (1), wherein R1 is a linear alkyl group having 6 to 12 carbon atoms, m is an integer of 0 to 3, n is an integer of 1 to 3, and X1 is a hydrogen atom or a fluorine atom, and an anti-ferroelectric liquid crystal compound of the formula (2),  wherein R2 is a linear alkyl group having 6 to 12 carbon atoms, X2 is a hydrogen atom or a fluorine atom, A is —CH3 or —CF3, r is 0 or 1 and C* is an asymmetric carbon, provided that when A is —CH3, r is 0 and p is an integer of 4 to 10, that when A is —CF3 and when r is 0, p is an integer of 6 to 8, and further than when A is —CF3 and when r is 1, q is an integer of 5 to 8 and p is 2 or 4. The phenyl triester compound and anti-ferroelectric liquid crystal compound composition is not only improved in response speed but also shows remarkably controlled layer rotation, and it can achieve a simple matrix liquid crystal display device which is free of a change in contrast and is highly reliable in use for a long period of time.
    • 一种含有式(1)的苯基三酯化合物的反铁电液晶组合物,其中,R 1为碳原子数6〜12的直链烷基,m为0〜3的整数,n为1〜3的整数。 ,X 1为氢原子或氟原子,式(2)的反铁电液晶化合物,其中,R2为碳原子数6〜12的直链烷基,X2为氢原子或氟原子 A为-CH 3或-CF 3,r为0或1,C *为不对称碳,条件是当A为-CH 3时,r为0,p为4至10的整数,当A为-CF 3和 当r为0时,p为6至8的整数,并且当A为-CF 3时,当r为1时,q为5至8的整数,p为2或4.苯基三酯化合物和抗 - 铁电液晶化合物组合物不仅提高了响应速度,而且显示出显着控制的层旋转,并且可以实现简单的矩阵液晶显示装置,其不含ch 相比之下,在长时间使用中是高度可靠的。