公开(公告)号：US06217793B1

公开(公告)日：2001-04-17

申请号：US09312698

申请日：1999-05-17

申请人： Yoshiyuki Totani ,  Hiroe Kayashima ,  Tsutomu Ishida ,  Masakatsu Nakatsuka

发明人： Yoshiyuki Totani ,  Hiroe Kayashima ,  Tsutomu Ishida ,  Masakatsu Nakatsuka

IPC分类号： C09K1932

CPC分类号： C09K19/2007 ,  C09K19/32

摘要： Provided are novel acetylene compounds which are useful as a component for a liquid crystal composition used for a liquid crystal element, a liquid crystal composition containing said compounds and a liquid crystal element using said liquid crystal composition. The acetylene compound is represented by Formula (1): n-CmH2m+1—C≡C—A—Z1—B—Y1—R1  (1) wherein m represents an integer of 2 to 24; R1 represents a linear or branched alkyl group, a linear or branched alkoxyalkyl group, a linear or branched alkenyl group, or a linear or branched alkenyloxyalkyl group each of which may be substituted with a halogen atom; R1 may have an asymmetric carbon atom, and the asymmetric carbon atom may be optically active; A and B represents a cyclic group such as a phenylene group, a biphenylene group, a naphthylene group and the like each of which may be substituted with a halogen atom.

摘要翻译： 提供了可用作用于液晶元件的液晶组合物的组分，含有所述化合物的液晶组合物和使用所述液晶组合物的液晶元件的新型乙炔化合物。 乙炔化合物由式（1）表示：其中m表示2〜24的整数; R1表示直链或支链烷基，直链或支链烷氧基烷基，直链或支链烯基，或每个可被卤素原子取代的直链或支链烯氧基烷基; R1可以具有不对称碳原子，并且不对称碳原子可以是光学活性的; A和B表示可以被卤素原子取代的亚苯基，亚联苯基，亚萘基等环状基团。

公开(公告)号：US5861108A

公开(公告)日：1999-01-19

申请号：US673093

申请日：1996-07-01

申请人： Tsutomu Ishida ,  Atsuo Otsuji ,  Yoshiyuki Totani ,  Motokazu Hirao ,  Hiroe Kayashima ,  Masakatsu Nakatsuka

发明人： Tsutomu Ishida ,  Atsuo Otsuji ,  Yoshiyuki Totani ,  Motokazu Hirao ,  Hiroe Kayashima ,  Masakatsu Nakatsuka

IPC分类号： C07C69/94 ,  C09K19/02 ,  C09K19/32 ,  C09K19/34 ,  C07C22/00 ,  C07C69/76

CPC分类号： C09K19/0225 ,  C07C69/94 ,  C09K19/02 ,  C09K19/322 ,  C09K19/3444

摘要： Provided is a naphthalene compound represented by the following Formula (1): ##STR1## wherein R.sub.1 and R.sub.2 each represent a linear or branched alkyl group having 1 to 20 carbon atoms, an alkoxyalkyl group having 2 to 20 carbon atoms or an alkenyl group having 2 to 20 carbon atoms which may be substituted with halogen atoms and have no asymmetric carbon atoms; A represents any of the groups represented by the following formulas: ##STR2## (wherein X.sub.1, X.sub.2, X.sub.3 and X.sub.4 each represent a hydrogen atom or a halogen atom); and z represents 0 or 1. The addition of this naphthalene compound to a liquid crystal composition makes it possible to improve various characteristics such as the high speed response property of the liquid crystal composition and the temperature dependency of the response time. The above naphthalene compound is useful as a liquid crystal material for liquid crystal compositions, particularly ferroelectric liquid crystal compositions.

摘要翻译： 提供由下式（1）表示的萘化合物：其中R 1和R 2各自表示具有1至20个碳原子的直链或支链烷基，具有2至20个碳原子的烷氧基烷基或 可以被卤素原子取代并且不具有不对称碳原子的具有2-20个碳原子的烯基; A表示由下式表示的任何基团：其中X 1，X 2，X 3和X 4各自表示氢原子或卤原子; z表示0或1.通过将该萘化合物加入到液晶组合物中，可以提高液晶组合物的高速响应特性和响应时间的温度依赖性等各种特性。 上述萘化合物可用作液晶组合物的液晶材料，特别是铁电液晶组合物。

公开(公告)号：US5770108A

公开(公告)日：1998-06-23

申请号：US668157

申请日：1996-06-21

申请人： Yoshiyuki Totani ,  Motokazu Hirao ,  Atsuo Otsuji ,  Tsutomu Ishida ,  Hiroe Kayashima ,  Masakatsu Nakatsuka

发明人： Yoshiyuki Totani ,  Motokazu Hirao ,  Atsuo Otsuji ,  Tsutomu Ishida ,  Hiroe Kayashima ,  Masakatsu Nakatsuka

IPC分类号： C07D239/26 ,  C07D239/28 ,  C07D239/34 ,  C07D401/10 ,  C07D401/12 ,  C09K19/34 ,  C07D239/02 ,  C09K19/32 ,  C07D69/76

CPC分类号： C07D239/26 ,  C07D239/28 ,  C07D239/34 ,  C07D401/10 ,  C07D401/12 ,  C09K19/3458 ,  C09K19/3463 ,  C09K19/3466 ,  C09K19/3469

摘要： A novel pyrimidine compound represented by the following Formulas (1) and (2), a liquid crystal composition containing said compound and a liquid crystal element having excellent characteristics such as high speed response, orientation and high contrast ratio. ##STR1## wherein R.sub.1 and R.sub.2 each represent a linear or branched alkyl or alkenyl group, an alkoxyl or alkenyloxy group; R.sub.3 and R.sub.4 each represent a linear or branched alkyl group or alkenyl group; A.sub.1 and A.sub.2 each represent a substituted or unsubstituted 1,4-phenylene group, a pyridine-2,5-diyl or trans-1,4-cyclohexylene group; X.sub.1 and X.sub.2 each represent a single bond, --COO--, --OCO--, --OCH.sub.2 or --CH.sub.2 O-- group; Y.sub.1 and Y.sub.2 each represent --COO-- or --OCO-- group; and a, b, p, q, m and n each represent 0 or 1, provided that a+b+p+q is not 0.

摘要翻译： 一种由下式（1）和（2）表示的新型嘧啶化合物，含有所述化合物的液晶组合物和具有优异特性如高速响应，取向和高对比度的液晶元件。 （1）其中R1和R2各自表示直链或支链烷基或链烯基，烷氧基或烯氧基; R3和R4各自表示直链或支链烷基或烯基; A1和A2各自表示取代或未取代的1,4-亚苯基，吡啶-2,5-二基或反式-1,4-亚环己基; X1和X2各自表示单键，-COO-，-OCO-，-OCH2或-CH2O-基团; Y1和Y2各自表示-COO-或-OCO-基团; 并且a，b，p，q，m和n各自表示0或1，条件是a + b + p + q不为0。