OPINION

Pulse-width modulation as a new hygienic factor determining the visual comfort of modern screens

Kurgansky AM
About authors

National Medical Research Center for Children's Health, Moscow, Russia

Correspondence should be addressed: Alexander M. Kurgansky
Lomonosovsky prospect, 2, bld. 1, Moscow, 119991, Russia; ur.xednay@ksnagruk

Received: 2023-12-07 Accepted: 2024-03-06 Published online: 2024-03-28
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Fig. 1. Comparison of different techniques to change the screen brightness — through changing luminance (on the left) and applying PWM (on the right). The figure is taken from the free source [13].
Fig. 2. Example of the table for PWM determination by taking pictures in dynamics
Fig. 3. Example of taking pictures in dynamics (23-inch AOC office monitor) — no PWM
Fig. 4. Example of taking pictures in dynamics (Xiaomi 11 Light 5G NE) on an enlarged scale — PWM of 18 bands (360 Hz)