Liquid Crystal Displays (LCDs) are among the most common display technologies used in devices ranging from smartphones and computer monitors to televisions and thermostats. A frequently asked question about LCD technology is whether it requires power to turn the screen black. Understanding this invo

Introduction to LCD Screen PoweringLiquid Crystal Displays (LCDs) have become ubiquitous in modern technology, from television screens and computer monitors to handheld devices like smartphones and tablets[3][9]. Powering an LCD screen involves several key components working in concert to deliver th