| 摘要 |
A surface treatment film composed of a conductive film with a surface resistance of 1x10<3>Omega/□ or more and an antireflection film is provided on the surface of a glass panel. A ground electrode is provided on the surface treatment film so as to be electrically connected with the conductive film. The ground electrode is grounded in a circuit manner. An area of the surface treatment film covered with the ground electrode is set at 500 mm<2 >or more. Thus, even in the case where the conductive film has a resistance of 1x10<3>Omega/□ or more, an effect of suppressing a leakage electric field to 1.0 V/m or less, which satisfies the TCO guideline, can be realized.
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