TFT LCDs are becoming the norm for small-to-medium size displays in a variety of products within industrial, medical, POS and consumer applications. To pick the right interface, you need to understand them first.
LCD displays with touch screen are used in more and more applications. Here is a simple example on how touch screen is implemented.
Here are some website links for reference.
PWM is used in a variety of applications including sophisticated control circuitry, LCD backlight control is one of the applications.
LCD display looks lighter (blur) when the temperature drops; while the background appears 'ghosting' when the temperature increases.
Everyday, most of us will look at a LCD screen at least once. Different types of LCD panels have different characteristics.
Touch screens are everywhere nowadays; cell phones, ATM, vending machines all use touch panels. And there are five most common types.
When designing a product with LCD display, engineer needs to make many decisions. One of them is which display interface to use.