What Are Nits?
Nit is a unit of brightness, 1nit = 1 cd / m². Brightness refers to the physical quantity of light emission (reflection) on the surface of the luminous body (reflector). The human eye views the light source from one direction. The ratio of the light intensity in this direction to the area of the light source "seen" by the human eye is defined as the brightness of the unit of the light source, that is, the luminous intensity in the unit projected area. The unit of brightness is candela / square meter (cd / m2). Brightness is how people feel about the intensity of light.
Nit
(Brightness unit)
Right!- Nit is a unit of brightness, 1nit = 1 cd / m². Brightness refers to the physical quantity of light emission (reflection) on the surface of the luminous body (reflector). The human eye views the light source from one direction. The ratio of the light intensity in this direction to the area of the light source "seen" by the human eye is defined as the brightness of the unit of the light source, that is, the luminous intensity in the unit projected area. The unit of brightness is candela / square meter (cd / m2). Brightness is how people feel about the intensity of light.
- Brightness refers to the degree of lightness and darkness of an object, and is defined as the luminous intensity per unit area. The unit is nit, 1 nit = 1 cantera / square meter, and the lumen (LM) is a unit of luminous flux.
- This is usually included in the parameters of a flat-screen TV.
- The brightness of ordinary CRT displays is generally between 150 and 200 cd / m2, which is suitable for text operation.
- Plasma screens stimulate phosphorescent light emission by ultraviolet light, so like CRTs, they are self-luminous, and are different from passive light emission of LCD screens. Therefore, its luminous brightness, contrast, color vividness, and screen response speed are similar to CRT, so users will find that the brightness of PDP can easily exceed 700 nits, and the contrast can also reach 5000: 1 or even the highest 10000: 1. However, the LCD will not reach the brightness of more than 500 nits and the contrast ratio of 3000: 1 until the later products. Therefore, the advantages of plasma in contrast and brightness are difficult for LCD TVs to match.