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    • 62. 发明授权
    • Projection type liquid crystal display device with twisted nematic
liquid crystal layers
    • 具有扭曲向列型液晶层的投射型液晶显示装置
    • US5272553A
    • 1993-12-21
    • US960197
    • 1992-10-08
    • Kunihiko YamamotoYutaka Ishii
    • Kunihiko YamamotoYutaka Ishii
    • G02F1/1347G02F1/139G02F1/13
    • G02F1/13471G02F1/1347G02F1/1396
    • A projection type liquid crystal display device which displays an image on a screen by projecting the light emitted from a light source and passing through a liquid crystal display element onto said screen, said element having first and second liquid crystal panels, a plurality of signal electrodes which are parallel with each other; and scanning electrodes which are parallel with each other and are orthogonal to said signal electrodes, said signal electrodes and scanning electrodes being disposed for sandwiching each said liquid crystal layer therebetween and modulating the strength of light that has been transmitted through each portion of said liquid crystal layer, wherein the signal electrodes arranged in parallel on the first liquid display panel are separated into two parts at the middle of upper half display portion, and the signal electrodes arranged in parallel on the second display panel are separated into two parts at the middle of lower half display portion.
    • 一种投影型液晶显示装置,其通过将从光源发射的光通过液晶显示元件投射到所述屏幕上而在屏幕上显示图像,所述元件具有第一和第二液晶面板,多个信号电极 它们彼此平行; 和扫描电极,它们彼此平行并与所述信号电极正交,所述信号电极和扫描电极被设置成将每个所述液晶层夹在其间并调制透过所述液晶各部分的光的强度 层,其中平行布置在第一液体显示面板上的信号电极在上半部显示部分的中间被分成两部分,并且在第二显示面板上平行布置的信号电极在第二显示面板的中间被分成两部分 下半部分显示部分。
    • 70. 发明授权
    • Process for preparation of nonnatural amino acid and intermediate thereof
    • 非天然氨基酸及其中间体的制备方法
    • US07750162B2
    • 2010-07-06
    • US11578788
    • 2005-04-18
    • Yutaka IshiiRyosuke Fujimoto
    • Yutaka IshiiRyosuke Fujimoto
    • C07D213/00C07D213/55C07C269/00C07C271/00
    • C07C269/06C07B2200/07C07C271/22C07D213/61C07D213/73Y02P20/55
    • A process for the preparation of a nonnatural amino acid represented by the following formula (C): which is characterized by reacting a compound represented by the following formula (A1), a compound represented by the following formula (A2) and a compound represented by the following formula (A3) (step 1): to form a compound represented by the following formula (B): and then subjecting the compound (B) to deprotection of protective groups of carboxyl groups and to decarboxylation (wherein X1 and X2 are a leaving group, R1 is an aromatic group, an unsaturated heterocyclic group, or R6CO group, R2 and R3 are a protected carboxyl group, R4 is a protected amino group, R5 is hydrogen atom, an aliphatic hydrocarbon group, an aromatic group, or a heterocyclic group, R6 is an aromatic group or an unsaturated heterocyclic group, etc., and p, q and r are an integer of 0 to 10).
    • 一种制备由下式(C)表示的非天然氨基酸的方法:其特征在于使由下式(A1)表示的化合物,下式(A2)表示的化合物和由下式 下列式(A3)(步骤1):形成由下式(B)表示的化合物:然后使化合物(B)脱保护羧基保护基和脱羧基(其中X1和X2为 离去基团,R1是芳基,不饱和杂环基或R6CO基,R2和R3是被保护的羧基,R4是被保护的氨基,R5是氢原子,脂族烃基,芳族基团或 杂环基,R 6为芳基或不饱和杂环基等,p,q和r为0〜10的整数。