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    • 8. 发明专利
    • Electro-optic device and electronic equipment
    • 电光设备和电子设备
    • JP2014092690A
    • 2014-05-19
    • JP2012243328
    • 2012-11-05
    • Seiko Epson Corpセイコーエプソン株式会社
    • SUGIMOTO YOHEIITO ATSUSHIYAMAZAKI RYOSUKEHARUYAMA AKIHIDE
    • G02F1/1335G02B5/28G02F1/1343
    • G02F1/133502G02F2001/133562G02F2001/133565
    • PROBLEM TO BE SOLVED: To provide an electro-optic device having high reflectance in a bright display mode or having low reflectance in a dark display mode, and thereby, having a high contrast ratio.SOLUTION: The electro-optic device includes a first substrate, a light-transmitting second substrate, an electro-optic layer held between the first substrate and the second substrate, and a first light-transmitting film 23a, a second light-transmitting film 23b and a third light-transmitting film 23c successively formed from a substrate side of the second substrate, in which the refractive index of the second light-transmitting film 23b is larger than the refractive index of the second substrate, smaller than the refractive index of the first light-transmitting film 23a and smaller than the refractive index of the third light-transmitting film 23c. The transmittance for incident light IL to the electro-optic device is increased by refractive index matching, interference extinction and scattering prevention. As a result, the electro-optic device has low reflectance in a dark display mode and high reflectance in a bright display mode and forms an image with a high contrast ratio.
    • 要解决的问题:提供一种在明亮显示模式下具有高反射率或在暗显示模式下具有低反射率并因此具有高对比度的电光装置。解决方案:电光装置包括第一基板 透光性第二基板,保持在第一基板和第二基板之间的电光层,以及第一透光膜23a,第二透光膜23b和第三透光膜23c,第一透光膜23a, 第二基板的基板侧,其中第二透光膜23b的折射率大于第二基板的折射率,小于第一透光膜23a的折射率,并且小于折射率 第三透光膜23c的折射率。 通过折射率匹配,干涉消光和散射防止,对电光器件的入射光IL的透射率增加。 结果,电光装置在暗显示模式下具有低反射率,并且在明亮显示模式下具有高反射率并且形成具有高对比度的图像。