LCD or OLED as a display – which matrix is ​​better?

The matrix in the TV set is a very important issue, because our living room screen will probably stay in front of us for several years. Today we think: LCD or OLED? As in many situations, each technology has its advantages and disadvantages. Not every one is perfect for every application, and they are all developed and with a few changes every year. This text should dispel many doubts and myths that still prevail among people looking for a TV set.