The PXW-X180 has an OLED display which is better than most similar spec camcorders that were released around the same time as it. Most video cameras that are a comparable age to it have a TFT LCD display. OLED displays provide a better image with higher contrast ratio than LCD displays.
This video camera's display (OLED) is in fact the best display across all video cameras that have been around for around the same time as the PXW-X180.
A TFT LCD display is the worst display amongst similar types of video camera.