发明公开
EP1662298A1 STRUCTURE HAVING LIGHT MODULATING FILM AND OPTICAL CONTROLLING DEVICE USING SAME
审中-公开
具有调光膜的结构和使用该调光膜的光学控制装置
- 专利标题: STRUCTURE HAVING LIGHT MODULATING FILM AND OPTICAL CONTROLLING DEVICE USING SAME
- 专利标题(中): 具有调光膜的结构和使用该调光膜的光学控制装置
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申请号: EP04771379.7申请日: 2004-08-06
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公开(公告)号: EP1662298A1公开(公告)日: 2006-05-31
- 发明人: FUJIMORI, Yoshikazu c/o Rohm Co., Ltd. , NAKAMURA, Takashi c/o Rohm Co., Ltd.
- 申请人: ROHM CO., LTD.
- 申请人地址: 21, Saiin Mizosaki-cho Ukyo-ku Kyoto-shi, Kyoto 615-8585 JP
- 专利权人: ROHM CO., LTD.
- 当前专利权人: ROHM CO., LTD.
- 当前专利权人地址: 21, Saiin Mizosaki-cho Ukyo-ku Kyoto-shi, Kyoto 615-8585 JP
- 代理机构: Börlin, Maria
- 优先权: JP2003289411 20030807; JP2003319107 20030910
- 国际公布: WO2005015292 20050217
- 主分类号: G02F1/03
- IPC分类号: G02F1/03
摘要:
A structure includes a substrate (32,31) and a light modulating film(46) formed on top of the substrate (32,31). The light modulating film(46) is made of polycrystalline PLZT containing Pb, Zr, Ti, and La as constituent elements. The film has a La concentration in the range of 5 at% to 30 at%. The relative dielectric constant at a frequency of 1 MHz is higher than or equal to 1200.
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