Nits of brightness is a unit of measurement for the brightness of a TV or other display. It is a measure of the amount of light emitted by a display and is used to describe the maximum brightness of the display. The term “nit” comes from the Latin word “nitere,” which means “to shine.”
One nit is equal to one candela per square meter (cd/m²), which is the standard unit of luminance. In practical terms, a display with a higher number of nits will be brighter and have a more vivid image than a display with a lower number of nits.
For example, a typical LED TV has a brightness level of around 300-400 nits, while a high-end HDR TV may have a brightness level of 1,000 nits or higher. The brightness level of a TV can be adjusted by changing the settings on the TV or using an external calibration tool.
Nits of brightness is an important factor to consider when purchasing a TV or other display, especially if you plan to use it in a bright room or for HDR content. However, it is just one of several factors to consider, including color accuracy, contrast ratio, and resolution, among others.