Nowadays, smartphones and tablets have become indispensable companions in our lives. As the key interface for communication between humans and machines, screens are constantly being updated and improved. With the most popular LCD and OLED screens available on the market, how should one choose? Let’s have an expert explain. Text version for quick reading [Image] Zhou Guanggang, Associate Professor at the School of Science, China University of Petroleum (Beijing) 01 What are the differences between LCD and OLED screens? LCD (Liquid Crystal Display)…