"Refresh rate" is also called "refresh rate". It refers to the rate at which the display is updated, usually in hertz (Hz). In general, refresh the frequency of more than 3,000Hz, for high-performance LED display. The general refresh rate is higher than 1000Hz above the human eye can not tell the basic.
The higher the refresh rate, the more stable the screen display, the smaller the visual flashing feeling. LED display low "refresh rate", its impact in addition to camera, photography will appear outside the water stripe, but also similar to tens of thousands of bulbs at the same time flashing images, the human eye in the watch, it may cause discomfort , And even cause damage to the eyes.
The higher the refresh rate, the more smooth video playback. And in the camera or photography, the screen display will be more clear, there will be no flicker or water stripe and other phenomena exist.

