Test Prep Blog for the CompTIA A+ Core Series Exam

LCD and OLED are common terms when discussing display technology. Both types of displays are used in devices such as televisions, smartphones, monitors, laptops, and tablets. LCD and OLED, however, differ significantly in the technology behind them. LCD LCD, or liquid crystal display, produces an image through the use of a backlight. To produce an image, the technology uses two pieces of polarized glass that contain liquid crystals in between them. As light passes through the pieces of polarized glass, an electrical current causes the liquid crystals between the first and second piece to ...