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As a measure of light emitted per unit area, this unit is frequently used to specify the brightness of a display device. The sRGB spec for monitors targets 80 cd/m 2 . [ 3 ] Typically, monitors calibrated for SDR broadcast or studio color grading should have a brightness of 100 cd/m 2 . [ 4 ]
Sunlight readable monitors typically provide at least 800 nits of brightness, [1] [non-primary source needed] versus 200–300 nits brightness for a typical desktop computer monitor. [2] Sunlight readable monitors may also be optically bonded.
A foot-lambert or footlambert (fL, sometimes fl or ft-L) is a unit of luminance in United States customary units and some other unit systems. A foot-lambert equals 1/π or 0.3183 candela per square foot, or 3.426 candela per square meter (the corresponding SI unit).
Luminance is a photometric measure of the luminous intensity per unit area of light travelling in a given direction. [1] It describes the amount of light that passes through, is emitted from, or is reflected from a particular area, and falls within a given solid angle .
In equation form, 1 lx = 1 lm/m 2. A source radiating a power of one watt of light in the color for which the eye is most efficient (a wavelength of 555 nm, in the green region of the optical spectrum) has luminous flux of 683 lumens. So a lumen represents at least 1/683 watts of visible light power, depending on the spectral distribution.
The laptop was announced at the #MicrosoftEDU event by Microsoft on 2 May 2017, [1] alongside Windows 10 S and an updated version of Surface Arc Mouse that includes a large capacitive surface. [ 2 ] [ 3 ] It became available for pre-order on the same day, and began shipping on 15 June 2017.
Neith or Nit, ancient Egyptian goddess Norfolk International Terminals, facility of the Virginia Port Authority , US Notice inviting tenders, Indian equivalent of invitation to tender
At IFA 2019 on September 13, 2019, TCL Corporation demonstrated their Cinema Wall featuring a 4K 132-inch (3.4 m) microLED display with maximum brightness of 1,500 cd/m 2 and 2,500,000∶1 contrast ratio produced by their subsidiary China Star Optoelectronics Technology (CSoT). [21] Samsung's MicroLED display - The Wall (debuted at 2024 CES)