Contrast of the LCD module

Choose LCD module LCD panel manufacturing control IC, filter and directional film and other contrast panel related accessories, for ordinary users, the contrast can reach 350:1 is enough, but such contrast in the professional field still can not meet the needs of users.

CRT displays can easily have a contrast ratio of 500:1 or higher, something only high-end LCD displays can achieve. Since accurate contrast measurements are difficult to do with instrumentation, choose when you want to look.