Terms Listing Glossary Terms (271)

LCD (Liquid Crystal Display)


A liquid crystal display is the most common display type among mobile phones because of its low power consumption and good image quality. They are generally easy to read, even under direct sunlight.


The smallest element of an image displayed on a LCD is the pixel. Each pixel normally consists of a layer of molecules aligned between two transparent electrodes, and two polarizing filters.


Some of the types of LCD displays are STN, TFT and TFD. The first one, STN, offers low cost and low power consumption, but low image quality. TFT features greater image quality and response time, yet its displays are more expensive and need more power.


Three other types of LCDs are transmissive, reflective, or transflective. Transmissive displays offer nicer image quality in low or medium ambient light, while reflective ones work best in bright ambient light. Transflective displays combine the best of both.


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