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1. 发明授权

US07226644B2 Chroman derivative and liquid-crystal composition containing the compound 有权
标题翻译：含有该化合物的色原衍生物和液晶组合物
公开(公告)号：US07226644B2
公开(公告)日：2007-06-05
申请号：US10562644
申请日：2004-06-25
申请人： Takashi Matsumoto , Tetsuo Kusumoto , Shotaro Kawakami
发明人： Takashi Matsumoto , Tetsuo Kusumoto , Shotaro Kawakami
IPC分类号： C09K19/34 , C09K19/32 , C09K19/30 , C09K19/12 , C09K19/20 , C07D311/04 , C07D311/76
CPC分类号： C09K19/3402 , C09K2019/3425 , Y10T428/10 , Y10T428/1036
摘要： The present invention relates to a liquid crystal compound which has negative dielectric anisotropy and a large absolute value thereof; and a liquid crystal display element which contains the compound as a constituent element and has a negative value of dielectric anisotropy in the vertical alignment mode, IPS, or the like. The liquid-crystal display element has a structure including a pair of substrates and a liquid crystal sandwiched therebetween, and includes at least an alignment control layer, a transparent electrode, and a polarizing plate, in which the liquid crystal includes at least one compound having a partial structure represented by general formula (A): (wherein W1 and W2 each independently represents fluorine, chlorine, —CF3, —CF2H, —OCF3, or —OCF2H) and has negative dielectric anistropy.
摘要翻译：本发明涉及具有负介电各向异性和绝对值大的液晶化合物; 以及包含该化合物作为构成元素并且在垂直取向模式下具有介电各向异性的负值的液晶显示元件，IPS等。液晶显示元件具有包括一对基板和夹在其间的液晶的结构，并且至少包括取向控制层，透明电极和偏振片，其中液晶包括至少一种具有由通式（A）表示的部分结构：（其中W 1和W 2各自独立地表示氟，氯，-CF 3 3， -CF 2 H，-OCF 3或-OCF 2 H），并且具有负的电介质惰性。

2. 发明授权

US08003006B2 Difluorobenzene derivative and nematic liquid crystal composition using the same 有权
标题翻译：二氟苯衍生物和使用其的向列型液晶组合物
公开(公告)号：US08003006B2
公开(公告)日：2011-08-23
申请号：US11908586
申请日：2006-03-15
申请人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto
发明人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto
IPC分类号： C09K19/00 , C09K19/06 , C09K19/52
CPC分类号： C09K19/42 , C09K19/3066 , C09K2019/0407 , C09K2019/301 , C09K2019/3016 , C09K2019/3077 , Y10T428/10
摘要： A nematic liquid crystal composition of the present invention includes one or at least two compounds represented by general formula (I) as a first component; and one or at least two compounds represented by general formula (II) as a second component, wherein a dielectric anisotropy is negative. The use of this nematic liquid crystal composition can provide a highly reliable liquid crystal display element capable of maintaining a high voltage-holding ratio even in a high temperature region, and achieving quick responsiveness without reducing the cell gap.
摘要翻译：本发明的向列型液晶组合物包含一种或至少两种由通式（I）表示的化合物作为第一组分; 和由通式（II）表示的一种或至少两种化合物作为第二组分，其中介电各向异性为负。使用这种向列型液晶组合物可以提供即使在高温区域也能保持高电压保持率的高度可靠的液晶显示元件，并且在不减小电池间隙的情况下实现快速响应。

3. 发明授权

US07670504B2 Nematic liquid crystal composition and liquid crystal display device using the same 有权
标题翻译：向列液晶组合物和使用其的液晶显示装置
公开(公告)号：US07670504B2
公开(公告)日：2010-03-02
申请号：US11793132
申请日：2005-12-14
申请人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto , Yoshitaka Saito , Yutaka Nagashima , Makoto Negishi , Masayuki Iwakubo
发明人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto , Yoshitaka Saito , Yutaka Nagashima , Makoto Negishi , Masayuki Iwakubo
IPC分类号： C09K19/00 , C09K19/06 , C09K19/52
CPC分类号： C09K19/42 , C09K19/3066 , C09K2019/0407 , Y10T428/10
摘要： The present invention provides a liquid crystal composition having a negative dielectric anisotropy whose absolute value is large, and a low viscosity, and also provides a VA type liquid crystal element using the same.Disclosed is a liquid crystal composition containing a compound represented by the general formula (I) and an alkenyl compound represented by the general formula (II): By combining the liquid compounds according to the present invention, a liquid crystal composition having a low viscosity and a negative dielectric anisotropy could be obtained while nearly maintaining physical properties such as refractive anisotropy. By using the composition, a liquid crystal element having excellent reliability, capable of maintaining a high voltage retention until a high temperature region, is provided, and the display is very applicable as a VA type, ECB type, or IPS type liquid crystal display, and is particularly effective for speeding up response without thinning cell gaps.
摘要翻译：本发明提供一种具有绝对值大且低粘度的负介电各向异性的液晶组合物，并且还提供使用该液晶组合物的VA型液晶元件。公开了含有通式（I）表示的化合物和通式（II）表示的烯基化合物的液晶组合物：通过将本发明的液体化合物与低粘度的液晶组合物和在几乎保持诸如折射各向异性的物理性质的同时，可以获得负的介电各向异性。通过使用该组合物，提供了具有优异的可靠性，能够保持高电压保持直到高温区域的液晶元件，并且显示器非常适用于VA型，ECB型或IPS型液晶显示器，并且对于加快响应特别有效，而不会使单元间隙变薄。

4. 发明申请

US20060163536A1 Chroman dervative and liquid-crystal composition containing the compound 有权
标题翻译：含有该化合物的色素衍生物和液晶组合物
公开(公告)号：US20060163536A1
公开(公告)日：2006-07-27
申请号：US10562644
申请日：2004-06-25
申请人： Takashi Matsumoto , Tetsuo Kusumoto , Shotaro Kawakami
发明人： Takashi Matsumoto , Tetsuo Kusumoto , Shotaro Kawakami
IPC分类号： C09K19/34 , C09K19/32 , C09K19/02
CPC分类号： C09K19/3402 , C09K2019/3425 , Y10T428/10 , Y10T428/1036
摘要： The present invention relates to a liquid crystal compound which has negative dielectric anisotropy and a large absolute value thereof; and a liquid crystal display element which contains the compound as a constituent element and has a negative value of dielectric anisotropy in the vertical alignment mode, IPS, or the like. The liquid-crystal display element has a structure including a pair of substrates and a liquid crystal sandwiched therebetween, and includes at least an alignment control layer, a transparent electrode, and a polarizing plate, in which the liquid crystal includes at least one compound having a partial structure represented by general formula (A): (wherein W1 and W2 each independently represents fluorine, chlorine, —CF3, —CF2H, —OCF3, or —OCF2H) and has negative dielectric anistropy.
摘要翻译：本发明涉及具有负介电各向异性和绝对值大的液晶化合物; 以及包含该化合物作为构成元素并且在垂直取向模式下具有介电各向异性的负值的液晶显示元件，IPS等。液晶显示元件具有包括一对基板和夹在其间的液晶的结构，并且至少包括取向控制层，透明电极和偏振片，其中液晶包括至少一种具有由通式（A）表示的部分结构：（其中W 1和W 2各自独立地表示氟，氯，-CF 3 3， -CF 2 H，-OCF 3或-OCF 2 H），并且具有负的电介质惰性。

5. 发明申请

US20080111107A1 Nematic Liquid Crystal Composition And Liquid Crystal Display Device Using The Same 有权
标题翻译：向列型液晶组合物及使用其的液晶显示装置
公开(公告)号：US20080111107A1
公开(公告)日：2008-05-15
申请号：US11793132
申请日：2005-12-14
申请人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto , Yoshitaka Saito , Yutaka Nagashima , Makoto Negishi , Masayuki Iwakubo
发明人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto , Yoshitaka Saito , Yutaka Nagashima , Makoto Negishi , Masayuki Iwakubo
IPC分类号： C09K19/30 , C07C43/225
CPC分类号： C09K19/42 , C09K19/3066 , C09K2019/0407 , Y10T428/10
摘要： The present invention provides a liquid crystal composition having a negative dielectric anisotropy whose absolute value is large, and a low viscosity, and also provides a VA type liquid crystal element using the same.Disclosed is a liquid crystal composition containing a compound represented by the general formula (I) and an alkenyl compound represented by the general formula (II): By combining the liquid compounds according to the present invention, a liquid crystal composition having a low viscosity and a negative dielectric anisotropy could be obtained while nearly maintaining physical properties such as refractive anisotropy. By using the composition, a liquid crystal element having excellent reliability, capable of maintaining a high voltage retention until a high temperature region, is provided, and the display is very applicable as a VA type, ECB type, or IPS type liquid crystal display, and is particularly effective for speeding up response without thinning cell gaps.
摘要翻译：本发明提供一种具有绝对值大且低粘度的负介电各向异性的液晶组合物，并且还提供使用该液晶组合物的VA型液晶元件。公开了含有通式（I）表示的化合物和通式（II）表示的烯基化合物的液晶组合物：通过将本发明的液体化合物与低粘度的液晶组合物和在几乎保持诸如折射各向异性的物理性质的同时，可以获得负的介电各向异性。通过使用该组合物，提供了具有优异的可靠性，能够保持高电压保持直到高温区域的液晶元件，并且显示器非常适用于VA型，ECB型或IPS型液晶显示器，并且对于加快响应特别有效，而不会使单元间隙变薄。

6. 发明授权

US07651630B2 Difluorobenzene derivative and nematic liquid crystal composition using the same 有权
标题翻译：二氟苯衍生物和使用其的向列型液晶组合物
公开(公告)号：US07651630B2
公开(公告)日：2010-01-26
申请号：US11817203
申请日：2006-02-27
申请人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto , Yoshitaka Saito , Yutaka Nagashima , Makoto Negishi , Masayuki Iwakubo
发明人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto , Yoshitaka Saito , Yutaka Nagashima , Makoto Negishi , Masayuki Iwakubo
IPC分类号： C09K19/00 , C09K19/06 , C09K19/52
CPC分类号： C09K19/3066 , C09K2019/0407 , Y10T428/10
摘要： A nematic liquid crystal composition of the present invention includes 10 to 80% by mass of either one or at least two compounds represented by general formula (I) as a first component; and 20 to 70% by mass of either one or at least two compounds represented by general formula (II) as a second component, wherein a dielectric constant anisotropy is negative. The use of this nematic liquid crystal composition can provide a highly reliable liquid crystal display element capable of maintaining a high voltage-holding ratio even in a high temperature region, and achieving quick responsiveness without reducing the cell gap.
摘要翻译：本发明的向列型液晶组合物含有10〜80质量％的作为第1成分的通式（I）所示的1种或2种以上的化合物。和20〜70质量％的作为第二成分的通式（II）表示的一种或至少两种化合物，其中介电常数各向异性为负。使用这种向列型液晶组合物可以提供即使在高温区域也能保持高电压保持率的高度可靠的液晶显示元件，并且在不减小电池间隙的情况下实现快速响应。

7. 发明申请

US20090200514A1 DIFLUOROBENZENE DERIVATIVE AND NEMATIC LIQUID CRYSTAL COMPOSITION USING THE SAME 有权
标题翻译：衍生物和非水性液晶组合物
公开(公告)号：US20090200514A1
公开(公告)日：2009-08-13
申请号：US11908586
申请日：2006-03-15
申请人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto
发明人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto
IPC分类号： C09K19/30 , C07C43/29
CPC分类号： C09K19/42 , C09K19/3066 , C09K2019/0407 , C09K2019/301 , C09K2019/3016 , C09K2019/3077 , Y10T428/10
摘要： A nematic liquid crystal composition of the present invention includes one or at least two compounds represented by general formula (I) as a first component; and one or at least two compounds represented by general formula (II) as a second component, wherein a dielectric anisotropy is negative. The use of this nematic liquid crystal composition can provide a highly reliable liquid crystal display element capable of maintaining a high voltage-holding ratio even in a high temperature region, and achieving quick responsiveness without reducing the cell gap.
摘要翻译：本发明的向列型液晶组合物包含一种或至少两种由通式（I）表示的化合物作为第一组分; 和由通式（II）表示的一种或至少两种化合物作为第二组分，其中介电各向异性为负。使用这种向列型液晶组合物可以提供即使在高温区域也能保持高电压保持率的高度可靠的液晶显示元件，并且在不减小电池间隙的情况下实现快速响应。

8. 发明申请

US20090050843A1 DIFLUOROBENZENE DERIVATIVE AND NEMATIC LIQUID CRYSTAL COMPOSITION USING THE SAME 有权
标题翻译：衍生物和非水性液晶组合物
公开(公告)号：US20090050843A1
公开(公告)日：2009-02-26
申请号：US11817203
申请日：2006-02-27
申请人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto , Yoshitaka Saito , Yutaka Nagashima , Makoto Negishi , Masayuki Iwakubo
发明人： Shotaro Kawakami , Takashi Matsumoto , Tetsuo Kusumoto , Yoshitaka Saito , Yutaka Nagashima , Makoto Negishi , Masayuki Iwakubo
IPC分类号： C09K19/08 , C07C43/225
CPC分类号： C09K19/3066 , C09K2019/0407 , Y10T428/10
摘要： A nematic liquid crystal composition of the present invention includes 10 to 80% by mass of either one or at least two compounds represented by general formula (I) as a first component; and 20 to 70% by mass of either one or at least two compounds represented by general formula (II) as a second component, wherein a dielectric constant anisotropy is negative. The use of this nematic liquid crystal composition can provide a highly reliable liquid crystal display element capable of maintaining a high voltage-holding ratio even in a high temperature region, and achieving quick responsiveness without reducing the cell gap.
摘要翻译：本发明的向列型液晶组合物含有10〜80质量％的作为第1成分的通式（I）所示的1种或2种以上的化合物。和20〜70质量％的作为第二成分的通式（II）表示的一种或至少两种化合物，其中介电常数各向异性为负。使用这种向列型液晶组合物可以提供即使在高温区域也能保持高电压保持率的高度可靠的液晶显示元件，并且在不减小电池间隙的情况下实现快速响应。

9. 发明申请

US20060102878A1 Nematic liquid crystal composition containing indan compound 有权
标题翻译：含有茚满化合物的向列型液晶组合物
公开(公告)号：US20060102878A1
公开(公告)日：2006-05-18
申请号：US10536421
申请日：2003-11-27
申请人： Yasuo Umezu , Shotaro Kawakami , Kiyofumi Takeuchi , Tetsuo Kusumoto , Shinji Ogawa
发明人： Yasuo Umezu , Shotaro Kawakami , Kiyofumi Takeuchi , Tetsuo Kusumoto , Shinji Ogawa
IPC分类号： C09K19/32 , C09K19/52 , C09K19/30
CPC分类号： C09K19/32 , C07C25/22 , C07C2601/14 , C07C2602/08 , Y10T428/10
摘要： The present invention provides a nematic liquid crystal composition using a 4,6-difluoroindane-based compound that has a low lower limit temperature (T→N) of the liquid crystal phase, high upper limit temperature (TN-I) of the liquid crystal phase, and wide liquid crystal phase temperature range without impairing response speed, threshold voltage and other liquid crystal characteristics within a the range of the optimal Δn as a nematic liquid crystal, and a 4,6-difluoroindane-based compound that is used in said liquid crystal composition. The nematic liquid crystal composition contains at least one type of compound having a 4,6-difluoroindan-2,5-diyl group, and the refractive index anisotropy is within the range of 0.08 to 0.15, the liquid crystal phase upper limit temperature is 70° C. or higher, the liquid crystal phase lower limit temperature is −20° C. or lower, and the difference between the liquid crystal phase upper limit temperature and liquid crystal phase lower limit temperature is 90° C. or more.
摘要翻译：本发明提供使用具有液晶相的低下限温度（T→N）的4,6-二氟基茚基系化合物的向列型液晶组合物，高的上限温度（液晶相的宽液晶相温度范围，而不影响作为向列型液晶的最佳Deltan范围内的响应速度，阈值电压等液晶特性，以及在所述液晶组合物中使用的4,6-二氟基茚基系化合物。向列型液晶组合物含有至少一种具有4,6-二氟茚满-2,5-二基的化合物，折射率各向异性在0.08〜0.15的范围内，液晶相上限温度为70℃ ℃以上，液晶相下限温度为-20℃以下，液晶相上限温度与液晶相下限温度的差为90℃以上。

10. 发明授权

US07232592B2 Nematic liquid crystal composition containing indane compound 有权
标题翻译：含有茚满化合物的向列型液晶组合物
公开(公告)号：US07232592B2
公开(公告)日：2007-06-19
申请号：US10536421
申请日：2003-11-27
申请人： Yasuo Umezu , Shotaro Kawakami , Kiyofumi Takeuchi , Tetsuo Kusumoto , Shinji Ogawa
发明人： Yasuo Umezu , Shotaro Kawakami , Kiyofumi Takeuchi , Tetsuo Kusumoto , Shinji Ogawa
IPC分类号： C09K19/32 , C09K19/30 , C07C25/22
CPC分类号： C09K19/32 , C07C25/22 , C07C2601/14 , C07C2602/08 , Y10T428/10
摘要： The present invention provides a nematic liquid crystal composition using a 4,6-difluoroindane-based compound that has a low lower limit temperature (T→N) of the liquid crystal phase, high upper limit temperature (TN-I) of the liquid crystal phase, and wide liquid crystal phase temperature range without impairing response speed, threshold voltage and other liquid crystal characteristics within a the range of the optimal Δn as a nematic liquid crystal, and a 4,6-difluoroindane-based compound that is used in said liquid crystal composition.The nematic liquid crystal composition contains at least one type of compound having a 4,6-difluoroindan-2,5-diyl group, and the refractive index anisotropy is within the range of 0.08 to 0.15, the liquid crystal phase upper limit temperature is 70° C. or higher, the liquid crystal phase lower limit temperature is −20° C. or lower, and the difference between the liquid crystal phase upper limit temperature and liquid crystal phase lower limit temperature is 90° C. or more.
摘要翻译：本发明提供使用具有液晶相的低下限温度（T→N）的4,6-二氟基茚基系化合物的向列型液晶组合物，高的上限温度（液晶相的宽液晶相温度范围，而不影响作为向列型液晶的最佳Deltan范围内的响应速度，阈值电压等液晶特性，以及在所述液晶组合物中使用的4,6-二氟基茚基系化合物。向列型液晶组合物含有至少一种具有4,6-二氟茚满-2,5-二基的化合物，折射率各向异性在0.08〜0.15的范围内，液晶相上限温度为70℃ ℃以上，液晶相下限温度为-20℃以下，液晶相上限温度与液晶相下限温度的差为90℃以上。

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