World-Class Commercial LED Display Supplier - CLT LED Technology
  • What is refresh rate?

    The refresh rate is the number of times a display’s image is repainted or refreshed per second. As it denotes a frequency of a process, the refresh rate is expressed in hertz. For instance, a refresh rate of 75 Hz means the image is refreshed 75 times in one second.

  • What is viewing angle?

    The Viewing angle is the maximum angle at which a display can be viewed with acceptable visual performance.

  • What are Pixel Pitch and Pixel Density?

    The Pixel Pitch is the distance between neighboring pixels. The Pixel Density is the quantity of pixels per square meter.

  • What is LED display?

    The LED display is a new kind of information and communication media, which is composed of the array of LED devices, used to display text, images, videos, TV programs, live broadcast, etc.