应用笔记 5396

Dynamic Backlighting Improves Contrast Ratio and Trims Power for Small LCD Panels

By: Walter Chen

摘要 : The perceived contrast ratio of a cell phone LCD display can be improved by using dynamic LED backlighting for enhanced video viewing. This application note describes how to add instantaneous pulse-width modulation (PWM) intensity control to an existing LED driver, using the MAX6948B as an example.