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Flicker (light)

In visual perception, flicker is a human-visible change in luminance of an illuminated surface or light source which can be due to fluctuations of the light source itself, or due to external causes such as due to rapid fluctuations in the voltage of the power supply (power-line flicker) or incompatibility with an external dimmer.

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Overview

Temporal light modulation

Root causes

Objective assessment of flicker

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Map overview Semantic statistics

Flicker (light)

Nodes29
Edges28
Triples18
Avg. degree1.93
Density0.068966
Components1

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Important terminology Word statistics

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Important terminology

flicker light lighting visual frequency due temporal also flickermeter tlms equipment voltage factors perception human modulation effects visibility assessment test

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
due to rapid fluctuations in the voltage of the power supplyinstance ofor due to external causes0.80text
AC line frequencyinstance ofwhereas flicker can be perceived during visual saccades up to or beyond 1 kHz.Flicker due to mechanical factors0.80text
lampsinstance ofThe effect is typically connected to lighting products0.80text
luminaires where the light is modulated in order to provide some functionalityinstance ofThe effect is typically connected to lighting products0.80text
such as dimming or color changeinstance ofThe effect is typically connected to lighting products0.80text
luminairesinstance ofRoot causesLight emitted from lighting equipment0.80text
lamps may vary in strength as function of timeinstance ofRoot causesLight emitted from lighting equipment0.80text
either intentionally or unintentionallyinstance ofRoot causesLight emitted from lighting equipment0.80text
the type of light sourceinstance ofperiodicity and frequency of the TLMs will depend on many factors0.80text
the electrical mains-supply frequencyinstance ofperiodicity and frequency of the TLMs will depend on many factors0.80text
the driver or ballast technologyinstance ofperiodicity and frequency of the TLMs will depend on many factors0.80text
type of light regulation technology appliedinstance ofperiodicity and frequency of the TLMs will depend on many factors0.80text

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