The LCD display on a mobile phone is composed of two pieces of glass of only __ mm and a liquid crystal filled between them. When the glass on the LCD screen is subjected to a certain external force, it is easier to break, and the liquid crystal will be lost after the glass is broken, resulting in black blocks displayed in some places on the screen.
Since the glass made of LCD is a special glass in the general natural environment is not naturally broken, so the LCD display rupture should be man-made damage.