Visual meaning of 'luminance'? - learn with images, example in daily life

Visual illustration of luminance: The quality of being luminous. - Image 1

luminance: The quality of being luminous. - Thumbnail 1

luminance: The quality of being luminous. - Thumbnail 2

noun

The quality of being luminous.

"The luminance of the computer screen was too bright, hurting my eyes. "

physics energy quality appearance technology

Visual illustration of luminance: The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle.

noun

The amount of light that passes through, is emitted, or is reflected from a particular area, and falls within a given solid angle.

"The luminance of the computer screen was too high, causing my eyes to feel strained. "

physics technology energy

Visual illustration of luminance: The luminous flux emitted in a given direction divided by the product of the projected area of the source element perpendicular to the direction and the solid angle containing that direction (i.e. luminous intensity divided by unit area), measured in stilbs or apostilbs.

noun

The luminous flux emitted in a given direction divided by the product of the projected area of the source element perpendicular to the direction and the solid angle containing that direction (i.e. luminous intensity divided by unit area), measured in stilbs or apostilbs.

"The luminance of the projector screen was too low, making the presentation difficult to see clearly in the classroom. "