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    • 3. 发明授权
    • Electro-optic device
    • 电光装置
    • US3973830A
    • 1976-08-10
    • US570961
    • 1975-04-23
    • Masahide TsukamotoTetsuro OhtsukaKazuhisa MorimotoYoshinobu Murakami
    • Masahide TsukamotoTetsuro OhtsukaKazuhisa MorimotoYoshinobu Murakami
    • C09K19/58G02F1/13C09K3/34
    • C09K19/58C09K19/586
    • The present invention provides an improved electrooptical device having a cell for containing a liquid crystal and consisting of two light-transparent plates opposed to each other and having electrically conductive electrodes on the inner surfaces thereof, the electrodes on at least one inner surface being transparent, and spacer means between said opposed electrodes; and a power supply coupled to said electrodes for applying an electric voltage to said electrodes, whereas the improvement comprises a liquid crystal in said cell between said electrodes consisting of 99.95 to 65 wt.% of at least one nematic liquid crystal and 0.05 to 35 wt.% of at least one optically active compound of the formula; ##SPC1##Wherein X is CH=N, --N=N--or ##EQU1##
    • 本发明提供了一种改进的电光装置,其具有用于容纳液晶的单元,并且由彼此相对的两个透光板组成,并且在其内表面上具有导电电极,至少一个内表面上的电极是透明的, 和在所述相对电极之间的隔离装置; 以及耦合到所述电极的电源,用于向所述电极施加电压,而改进包括在所述电极之间的所述电极中的液晶由99.95至65重量%的至少一个向列型液晶和0.05至35重量% %的至少一种下式的光学活性化合物; 其中X是CH = N,-N = N - 或-N = N-&Darr&O。
    • 4. 发明授权
    • Electro-optic device
    • 电光装置
    • US3977769A
    • 1976-08-31
    • US570375
    • 1975-04-22
    • Masahide TsukamotoTetsuro OhtsukaKazuhisa MorimotoYoshinobu Murakami
    • Masahide TsukamotoTetsuro OhtsukaKazuhisa MorimotoYoshinobu Murakami
    • C09K19/58G02F1/13C09K3/34
    • C09K19/586
    • The present invention provides an improved electro-optical device having a cell for containing a liquid crystal and consisting of two light-transparent plates opposed to each other and having electrically conductive electrodes on the inner surfaces thereof, the electrodes on at least one inner surface being transparent and spacer means between said opposed electrodes; and a power supply coupled to said electrodes for applying an electric voltage to said electrodes, whereas the improvement comprises a liquid crystal in said cell between said electrodes consisting of 99.95 to 65 wt.% of at least one nematic liquid crystal and 0.05 to 35 wt.% of at least one optically active compound of the formula: ##EQU1## wherein X is --N=N-- or ##EQU2##
    • 本发明提供了一种改进的电光装置,其具有用于容纳液晶的单元,由彼此相对的两个透光板组成,并且在其内表面上具有导电电极,至少一个内表面上的电极为 透明和隔离装置在所述相对电极之间; 以及耦合到所述电极的电源,用于向所述电极施加电压,而改进包括在所述电极之间的所述电极中的液晶由99.95至65重量%的至少一个向列型液晶和0.05至35重量% 。%的至少一种下式的光学活性化合物:CH 3 -CH 2 -CH-CH 2 CH 2 -CH-CH 2 -CH 3 CH 3 CH 3,其中X是-N = N-或-N = N-。 &darr&O
    • 7. 发明授权
    • Optical recording medium
    • 光记录介质
    • US4794068A
    • 1988-12-27
    • US94032
    • 1987-08-31
    • Jinsei MiyazakiEiji AndoKimiaki YoshinoKazuhisa Morimoto
    • Jinsei MiyazakiEiji AndoKimiaki YoshinoKazuhisa Morimoto
    • G11B7/244G03C1/733
    • G11B7/244G11B7/2475G11B7/2531Y10S430/163
    • An optical recording medium is prepared by the use of spiropyrane whose molecular structure contains an alkyl chain having at least 10 more carbon atoms, and by the use of an LB film method or a spin coating method. This recording medium is of a structure wherein when irradiated with the UV, the spiropyrane is photo-isomerized to photomerocyane and, thereafter, when subsequently heated at 35.degree. to 40.degree. C. for 15 minutes, a J-aggregate of the photomerocyane is formed in very stabilized form. When the recording medium is irradiated with light of wavelength of visible spectrum, the color is bleached with the information consequently recorded. The optical recording medium herein disclosed is rewritable and can retain the recorded information for 5,000 hours or more.
    • 通过使用其分子结构包含具有至少10个碳原子的烷基链的螺吡喃以及通过使用LB膜法或旋涂法制备光记录介质。 该记录介质是这样一种结构,其中当用紫外线照射时,螺吡喃被光异构化成光催化剂,然后在35℃至40℃下加热15分钟后,形成光聚合物的J-聚集体 非常稳定的形式。 当用可见光谱的波长的光照射记录介质时,颜色被漂白,随后记录信息。 本文公开的光记录介质是可重写的,并且可以将记录的信息保留5,000小时以上。