Smectic liquid crystal composition and liquid crystal device
    1.
    发明授权
    Smectic liquid crystal composition and liquid crystal device 失效
    近晶液晶组成和液晶装置

    公开(公告)号:US5800736A

    公开(公告)日:1998-09-01

    申请号:US860525

    申请日:1998-01-05

    CPC分类号: C09K19/34

    摘要: A liquid crystal composition is realized, which composition simultaneously exhibits a negatively large .DELTA..di-elect cons. value suitable to .tau.-Vmin, and SA phase within a sufficient temperature range for realizing a good alignment. A smectic liquid crystal composition containing component (AI), component (B) and/or component (C), expressed by the following formulas: ##STR1## wherein R.sup.1 represents an alkyl group of 1 to 9 carbon atoms, R.sup.2 represents an alkyl group of 1 to 9 carbon atoms, R.sup.3 represents an alkyl group of 1 to 18 carbon atoms, R.sup.4 represents an alkyl group of 1 to 18 carbon atoms, X represents H or F, R.sup.5 represents an alkyl group of 6 to 15 carbon atoms and R.sup.6 represents an alkyl group of 6 to 15 carbon atoms. Ferroelectric liquid crystal material having a negative dielectric anisotropy is applicable to display element utilizing AC-stabilizing effect and .tau.-Vmin. Further, as to the composition containing ##STR2## as an additional component, SA phase appears within a broad range; hence the composition can be made up into a ferroelectric liquid crystal composition having a good alignment.

    摘要翻译: PCT No.PCT / JP95 / 02725 Sec。 371日期:1998年1月5日 102(e)1998年1月5日PCT 1995年12月27日PCT PCT。 WO96 / 20985 PCT公开 日期1996年7月11日实现了一种液晶组合物,该组合物同时表现出适合于τ-Vmin的负大DELTA +531值,以及在足以实现良好对准的足够温度范围内的SA相。 含有成分(AI),成分(B)和/或成分(C)的层状液晶组合物,由下式表示:其中,R1表示(A) 1〜9个碳原子的烷基,R2表示1〜9个碳原子的烷基,R3表示1〜18个碳原子的烷基,R4表示1〜18个碳原子的烷基,X表示H或 F,R 5表示碳原子数为6〜15的烷基,R 6表示碳原子数为6〜15的烷基。 具有负介电各向异性的铁电液晶材料适用于利用AC稳定效应和τ-Vmin的显示元件。 此外,对于含有作为附加成分的(AII)的组合物,SA相出现在宽范围内; 因此可以将组合物制成具有良好取向的铁电液晶组合物。

    Pyridine compound and liquid crystalline composition
    5.
    发明授权
    Pyridine compound and liquid crystalline composition 有权
    吡啶化合物和液晶组合物

    公开(公告)号:US6045720A

    公开(公告)日:2000-04-04

    申请号:US205613

    申请日:1998-12-04

    摘要: A compound expressed by the following formula (1) and a liquid crystalline composition with using it are provided: ##STR1## wherein, either one of rings A, B and C denotes ##STR2## remaining two of them denote each independently ##STR3## R denotes an alkyl group or an alkoxy group with 4-16 carbon atoms, R* denotes ##STR4## in which, R.sub.1 denotes CH.sub.3, CF.sub.3, CH.sub.2 F or CHF.sub.2, R.sub.2 denotes an alkyl group with 1-10 carbon atoms and m denotes 2-12.The said compound exhibits a ferroelectric liquid crystalline phase and an antiferroelectric liquid crystalline phase by itself.

    摘要翻译: 提供由下式(1)表示的化合物和使用该化合物的液晶组合物:其中,环A,B和C中的任一个表示其中两个独立地表示,R表示烷基或烷氧基, 4-16个碳原子,R *表示其中,R1表示CH 3,CF 3,CH 2 F或CHF 2,R 2表示具有1-10个碳原子的烷基,m表示2-12。 所述化合物本身显示出铁电液晶相和反铁电液晶相。

    2-substituted-alkyl ether and liquid crystal composition
    6.
    发明授权
    2-substituted-alkyl ether and liquid crystal composition 失效
    2-取代烷基醚和液晶组合物

    公开(公告)号:US06146547A

    公开(公告)日:2000-11-14

    申请号:US293842

    申请日:1999-04-19

    摘要: A 2-substituted-alkyl ether having an optically active group and being useful as a component of ferroelectric liquid crystal compositions, and a liquid crystal composition containing the same are provided, which 2-substituted-alkyl ether is expressed by the formula ##STR1## wherein R.sup.1 represents a linear or branched chain alkyl, alkoxy, alkanoyl, alkanoyloxy or alkoxycarbonyl of 1 to 18 C; R.sup.2 represents a linear or branched alkyl of 2 to 15 C; ##STR2## and ##STR3## each independently represents ##STR4## wherein Y represents cyano, halogen, methyl or methoxy; and X represents --OR.sup.3, ##STR5## F, Cl or Br wherein R.sup.3 represents a linear or branched alkyl group of 1 to 10 C or H; and * indicates asymmetric C.

    摘要翻译: 提供具有光学活性基团并可用作铁电液晶组合物的组分的2-取代烷基醚和含有它们的液晶组合物,该2-取代烷基醚由下式表示:其中R1表示 1至18 C的直链或支链烷基,烷氧基,烷酰基,烷酰氧基或烷氧基羰基; R2表示2〜15C的直链或支链烷基; 并且各自独立地表示其中Y表示氰基,卤素,甲基或甲氧基; 并且X表示-OR 3,F,Cl或Br,其中R 3表示1至10个C的直链或支链烷基或H; 和*表示不对称的C.

    Linear-reciprocating device
    8.
    发明授权
    Linear-reciprocating device 有权
    线性往复式装置

    公开(公告)号:US09074624B2

    公开(公告)日:2015-07-07

    申请号:US14365291

    申请日:2012-07-13

    摘要: A linear-reciprocating device 10 has a moving block 13 which is attached to a guide rail 12 provided to a support base 11 so as to freely reciprocate, ball rolling grooves 23a and 23b which form ball rolling paths 24a and 24b together with ball rolling grooves 21a and 21b are provided to a base end of the moving block 13, and ball circulation holes 25a and 25b which are communicated to the ball rolling paths 24a and 24b are provided to a base end. In a longitudinal-directional middle area of the moving block 13, return blocks 32a and 32b which communicate between the ball rolling paths 24a and 24b and the ball circulation holes 25a and 25b are provided. The moving block 13 moves to a position at which the moving block 13 is moved to a position at which the moving block is protruded from a distal end of the guide rail 12.

    摘要翻译: 线性往复运动装置10具有移动块13,该移动块13附接到设置在支撑基座11上以便自由往复运动的导轨12,与滚珠滚动槽一起形成滚珠滚动路径24a和24b的滚珠滚动槽23a和23b 21a和21b设置在移动块13的基端,并且连通到滚珠滚动路径24a和24b的滚珠循环孔25a和25b设置在基端。 在移动块13的纵向中间区域中,设置有滚珠滚动路径24a和24b与滚珠循环孔25a和25b连通的返回块32a和32b。 移动块13移动到移动块13移动到从导轨12的远端突出移动块的位置的位置。

    Semiconductor optical element
    9.
    发明授权
    Semiconductor optical element 有权
    半导体光学元件

    公开(公告)号:US09041080B2

    公开(公告)日:2015-05-26

    申请号:US14376662

    申请日:2012-08-02

    IPC分类号: H01L29/00 H01S5/32

    摘要: To provide a light-emitting element where electrons are efficiently injected into a Ge light emission layer and light can be efficiently emitted, the light-emitting element has a barrier layer 3 which is formed on an insulating film 2, worked in a size in which quantum confinement effect manifests and made of monocrystalline Si, a p-type diffused layer electrode 5 and an n-type diffused layer electrode 6 respectively provided at both ends of the barrier layer 3, and a monocrystalline Ge light emission part 13 provided on the barrier layer 3 between the electrodes 5, 6. At least a part of current that flows between the electrodes 5, 6 flows in the barrier layer 3 in a horizontal direction with respect to a substrate 1.

    摘要翻译: 为了提供一种发光元件,其中电子被有效地注入到Ge发光层中并且可以有效地发射光,发光元件具有形成在绝缘膜2上的阻挡层3,该阻挡层3以 量子限制效应表现为单晶Si,分别设置在阻挡层3的两端的p型扩散层电极5和n型扩散层电极6以及设置在势垒层3上的单晶Ge发光部13 在电极5,6之间流动的电流的至少一部分在阻挡层3中相对于基板1在水平方向上流动。

    SEMICONDUCTOR OPTICAL ELEMENT
    10.
    发明申请
    SEMICONDUCTOR OPTICAL ELEMENT 有权
    半导体光学元件

    公开(公告)号:US20140355636A1

    公开(公告)日:2014-12-04

    申请号:US14364074

    申请日:2011-12-12

    摘要: In order to provide a highly reliable silicon-germanium semiconductor optical element of high luminous efficiency or of low power consumption that can reduce or prevent the occurrence of dislocations or crystal defects on the interface between a light emitting layer or a light absorption layer and a cladding layer, in a silicon-germanium semiconductor optical element, a germanium protective layer 11 of non-light emission is disposed between a germanium light emitting layer or the light absorption layer 10 and a cladding layer 12 disposed above a substrate. The germanium protective layer 11 has the electrical conductivity different from electrical conductivity of the germanium light emitting layer or the light absorption layer 10.

    摘要翻译: 为了提供高发光效率或低功耗的高可靠性硅锗半导体光学元件,可以减少或防止在发光层或光吸收层与包层之间的界面上发生位错或晶体缺陷 在硅锗半导体光学元件中,在锗发光层或光吸收层10和设置在基板上方的包覆层12之间设置非发光锗保护层11。 锗保护层11具有与锗发光层或光吸收层10的电导率不同的导电性。