120Hz refresh rate

120Hz refresh rate

The digital display technologies (LCD, plasma, DLP, LCoS, etc.) that have replaced picture tubes are progressive scan by nature, displaying 60 video frames per second — often referred to as "60Hz." HDTVs with 120Hz refresh rate double the standard rate to 120 frames per second by inserting either additional video frames or black frames. Because each video frame appears for only half the normal amount of time, on-screen motion looks smoother and more fluid, with less smearing. It's especially noticeable viewing fast-action sports and video games. This feature is mostly found on flat-panel LCD TVs.