| 摘要 |
Disclosed is an active matrix substrate (5) on which pixels, each having a thin film transistor (18) and a pixel electrode (19) connected to the thin film transistor (18), are disposed in a matrix, and that includes a base material (5a) on which the pixels in a matrix are formed. In a contact hole portion (H), by anodically oxidizing a three-layered metal film (metal film) (21), an anodic oxidation film (29) is formed on the three-layered metal film (21) so as to fill a contact hole of a protective layer (27), with an end portion of the anodic oxidation film (29) being placed under an insulating layer (28). In the contact hole portion (H), the pixel electrode (19) and the three-layered metal film (21) are connected to each other via the anodic oxidation film (29).
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