This is determined by the structure and properties of the LCD screen itself. Even if the screen is cracked with a barely visible seam, the whole screen is scrapped and cannot be repaired at all. At first, the crack is just a bad area of water samples around the crack, and then the area of the bad area will quickly expand, about a few hours to a few days later, it will spread to the whole screen, uncontrollable.
For the convenience of operation, people use touch screen instead of mouse or keyboard. To work, we must first touch the touch screen mounted on the front of the display with a finger or other object, and then the system will locate and select information input according to the icon or menu position touched by the finger.
In the commercial field, OLED displays can be applied to POS machines, ATM machines, photocopiers, game machines, etc
Organic light-emitting diode (OLED) displays are becoming more and more common, most notably in products such as mobile phones, media players, and small entry-level TVs.
TFT (Thin Film Transistor) LCD, or Thin Film Transistor LCD, is one of active matrix type liquid crystal displays (AM-LCD).
