| 摘要 |
Disclosed is a display device that is configured such that light that is emitted from a backlight or the like and that illuminates a display panel is prevented from being transmitted through a light-shielding layer that is provided between a light sensor element and a substrate. A liquid crystal display device 1 is provided with: a photodiode 10, which is formed on a substrate 30 that constitutes a part of the display panel; and a light-shielding film 20, which is formed between the substrate 30 and the photodiode 10. The thickness of the light-shielding film 20 is 100 nm or more.
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