Defective pixel 坏点
（重定向自Stuck Pixel）
![](/Images/godic/202502/13/Lcd_display_dead_pixel2624.jpg"){kind=tracking}
![A photograph taken with a damaged image sensor](/Images/godic/202502/13/Damaged_photo_sensitive_chip2624.jpg")
![Hundreds of hot pixels appear in a 32 minute long exposure photograph taken in virtual darkness. Note: Must be viewed at full size.](/Images/godic/202502/13/Hot_pixels_at_32_minutes_ISO_400_Nikon_D51002624.JPG"){kind=tracking}
![ständig leuchtendes Subpixel (Mauszeiger zum Vergleich)](/Images/godic/202502/13/Pixelfehler2624.jpg"){kind=tracking}
Defective pixels are pixels on a liquid crystal display (LCD) that are not performing as expected. The ISO standard ISO 13406-2 distinguishes between three different types of defective pixels, while hardware companies tend to have further distinguishing types.