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    • 27. 发明专利
    • Optical modulator
    • 光学调制器
    • JP2014191096A
    • 2014-10-06
    • JP2013064923
    • 2013-03-26
    • Sumitomo Osaka Cement Co Ltd住友大阪セメント株式会社
    • ICHIKAWA JUNICHIROKATAOKA TOSHIOKONDO KATSUTOSHI
    • G02F1/035G02F1/03
    • G02F1/025G02F1/0316G02F1/0356G02F1/225G02F2001/0154G02F2201/063G02F2201/122G02F2201/128
    • PROBLEM TO BE SOLVED: To provide an optical modulator including a ridge type optical waveguide and an eaves-like signal electrode and capable of performing high speed operation.SOLUTION: An optical modulator 100 includes: a ridge type optical waveguide 5; and a modulation electrode 15. The modulation electrode 15 comprises: a signal electrode 7 to which a modulation signal is supplied; a first ground electrode 11; and a second ground electrode 12. The signal electrode 7 includes a wide width part 7W having width wider than the width W5 of an uppermost part of the ridge type optical waveguide 5, the first ground electrode 11 includes a center part ground electrode element 11C formed on a first surface 3A so as to be extended along a first direction and the second ground electrode 12 includes a center part ground electrode element 12C formed on a second surface 3B so as to be extended along the first direction. The center part ground electrode element 11C and the center part ground electrode element 12C respectively include first through holes 11B and second through holes 12B and are overlapped to the wide width part 7W of the signal electrode 7 in plane view.
    • 要解决的问题:提供一种包括脊型光波导和檐状信号电极并且能够执行高速操作的光调制器。解决方案:光调制器100包括:脊型光波导5; 和调制电极15.调制电极15包括:提供调制信号的信号电极7; 第一接地电极11; 和第二接地电极12.信号电极7包括宽度宽的部分7W,其宽度大于脊型光波导5的最上部的宽度W5,第一接地电极11包括形成的中心部分接地电极元件11C 在第一表面3A上沿着第一方向延伸,并且第二接地电极12包括形成在第二表面3B上以沿着第一方向延伸的中心部分接地电极元件12C。 中心部分接地电极元件11C和中心部分接地电极元件12C分别包括第一通孔11B和第二通孔12B,并且在平面图中与信号电极7的宽幅部分7W重叠。
    • 28. 发明专利
    • Display device
    • 显示设备
    • JP2014174449A
    • 2014-09-22
    • JP2013049077
    • 2013-03-12
    • Japan Display Inc株式会社ジャパンディスプレイ
    • SUGITA TATSUYANAGANUMA TOMOHIKOOKA SHINICHIROMIYAZAWA TOSHIOSAITO TERUJI
    • G02F1/13G02F1/1343
    • G02B27/2214G02F1/13394G02F1/13471G02F1/1393G02F2001/134381G02F2201/128
    • PROBLEM TO BE SOLVED: To reduce crosstalk, to increase a response speed, and to make a space hardly visible when the spacer is provided.SOLUTION: A liquid crystal sample 33 is driven in a twisted nematic system by a voltage applied between stripe electrodes 42 and a second electrode 54 so that liquid crystal molecules are directed to a direction along an electric field to lose the optical rotary power on the stripe electrodes 42 and form a refractive index distribution of a lenticular lens including cylindrical lens having a cylinder axis in a first direction, on an area between stripe electrodes 42 adjacent to each other. The cylindrical lens faces at least two rows of pixels 24 and has such an effective refractive index as to propagate light from the at least two rows of pixels 24 in mutually separating directions after emission from a second polarizing plate 36. A distance d of a cell gap and a spacing s between stripe electrodes 42 adjacent to each other has relation 3.5≤s/d≤7.
    • 要解决的问题:为了减少串扰,提高响应速度,并且在提供间隔物时使空间几乎不可见。解决方案:液晶样品33通过施加在条形电极42之间的电压在扭曲向列系统中驱动 以及第二电极54,使得液晶分子指向沿着电场的方向以失去条形电极42上的光学旋转功率,并且形成包括柱面透镜的双凸透镜的折射率分布,柱面透镜的圆柱轴线在第一 方向,彼此相邻的条状电极42之间的区域。 柱面透镜面向至少两排像素24,并且具有这样的有效折射率,以便在从第二偏振片36发射之后沿彼此分离的方向传播来自至少两排像素24的光。单元格的距离d 彼此相邻的条状电极42之间的间隙和间隔具有3.5≤s/d≤7的关系。