Luminance definition

Luminance means a measure of the brightness of a luminous surface.

Luminance contrast means the brightness ratio between an object and its immediate background/surrounding that allows the object to be distinguished from its background/surroundings.

Luminance means the photometric measure of the luminous intensity per unit area of light travelling in a given direction, expressed in units of candelas per square metre (cd/m2). The term brightness is often used to subjectively qualify the luminance of a display;

Examples of Luminance in a sentence

• Luminance values shall have two decimal places, as per [SMPTE-2086].When this element refers to mastered content, the values represent the outer boundaries of the encoded picture content.

• WARNINGThis product is designed to use only those parts supplied with this product and/or any accessories designated specifically for use with this product by Luminance Brands.

• Life Time is defined when the Luminance has decayed to less than 50% of the initial Luminance specification.

• Definition：Grayscale Maximum : Grayscale 255 (10 bits: grayscale 1023 ; 8 bits : grayscale 255 ; 6 bits: grayscale 63) White : Luminance of Grayscale Maximum (All R,G,B)Black : Luminance of grayscale 0 (All R,G,B)Note (1)Definition of Viewing Angle (θx, θy): Note (2)Definition of Contrast Ratio (CR):The contrast ratio can be calculated by the following expression at center point.

• White day light- Luminance at 450- 65 % min as per AASHTO M 249 Yellow day light- Luminance at 450- 45 % as per AASHTO M 249.

More Definitions of Luminance

Luminance means the photometric measure of the luminous intensity per unit area of light traveling in a given direction, expressed in units of candelas per square meter (cd/m2);

Luminance means a measure of how bright an illuminated sign area appears to the human eye and is measured in candela/m2.

Luminance means the amount of light that passes through or is emitted from a particular area and falls

Luminance means an objective measurement of the brightness of illumination, including illumination emitted by an electronic sign, measured in candles per square foot (cd/ft2).

Luminance means the physical measure of the sensation of brightness expressed in candelas per metre squared (cd/m²).

Luminance means the amount of light that is emitted by or reflected from the surface of a sign; (0019-2024)

Luminance means the photometric measure of the luminous intensity per unit area of light travelling in a given direction. It describes the amount of light that passes through or is emitted from a particular area, and falls within a given solid angle. The unit for luminance is candela per square meter (cd/m2), also known as “nit”.