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    • 80. 发明申请
    • LIQUID CRYSTAL LENS AND CELL FOR LIQUID CRYSTAL LENS
    • 液晶镜片和液晶镜片
    • US20150268387A1
    • 2015-09-24
    • US14373950
    • 2013-01-09
    • NIPPON ELECTRIC GLASS CO., LTD.
    • Masaaki KadomiMasanori WadaHirokazu TanakaTakasi Akimoto
    • G02B3/14G02F1/29G02F1/1343
    • G02B3/14G02F1/134309G02F1/29G02F2001/294G02F2201/122
    • Provided is a liquid crystal lens having low wavefront aberration. A liquid crystal lens (1) includes a liquid crystal layer (11), a first electrode (21), a second electrode (22), and a third electrode (23). The first electrode (21) is provided with an opening (21a) and a communicating cutout (21b) formed therein, the communicating cutout (21b) allowing the opening (21a) to communicate with the outside. The second electrode (22) includes a main electrode portion (22a) and a linear leading electrode portion (22b). The main electrode portion (22a) is disposed within the opening (21a). The main electrode portion (22a) is electrically insulated from the first electrode (21). The leading electrode portion (22b) is electrically connected to the main electrode portion (22a). The leading electrode portion (22b) is disposed within the communicating cutout (21b). The third electrode (23) faces at least part of the first and second electrodes (21, 22). A junction of the leading electrode portion (22b) with the main electrode portion (22a) has a width of 70 μm or less.
    • 提供具有低波前像差的液晶透镜。 液晶透镜(1)包括液晶层(11),第一电极(21),第二电极(22)和第三电极(23)。 第一电极(21)设置有形成在其中的开口(21a)和连通切口(21b),所述连通切口(21b)允许开口(21a)与外部连通。 第二电极(22)包括主电极部分(22a)和直线引导电极部分(22b)。 主电极部分22a设置在开口21a内。 主电极部分(22a)与第一电极(21)电绝缘。 引导电极部22b与主电极部22a电连接。 前导电极部(22b)设置在连通切口(21b)内。 第三电极(23)面向第一和第二电极(21,22)的至少一部分。 引出电极部(22b)与主电极部(22a)的接合部的宽度为70μm以下。