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Definition of "luminance" |
1. The emitted light, projected per unit area, measured in cd/m2 (candela per square meter). Often incorrectly equated with "brightness". 2. The black and white portion of a video signal, also referred to as the "Y" component. A composite, Y/C, or Y/Pb/Pr video signal combines a luminance signal with color components. / The emitted light, projected per unit area, measured in cd/m² (candela per square meter). Often incorrectly equated with "brightness". / The intensity of light emitted from a surface per unit area in a given direction. / A seven-segment display, or seven-segment indicator, is a form of electronic display device for displaying decimal numerals that is an alternative to the more complex dot matrix displays. / (1) formally, the amount of light being emitted or reflected by a surface of unit area in the direction of the observer and taking into account the spectral sensitivity of the human eye. |
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