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The effect of ambient light source and display type on visual fatigue was investigated. The tested ambient illumination included 120Hz full modulated LED light source, normal fluorescent light source and dark environment. And the tested display type included 2D and 3D based on shutter glasses. Visual fatigue was measured with subjective ratings (12 symptoms, considering general discomfort and eye...
The difference of perceived glare between two different working modes (i.e., computer work and reading/writing) caused by LEDs in office was investigated. Discomfort glare are evaluated in two aspects, the general glare and overhead glare. For general glare study, all the LED luminaires installed in the ceiling of the experimental room were switched on to realize a uniform lighting distribution like...
Temporal modulations of light from AC-LED sources can produce a number of visible artifacts, such as flicker, stroboscopic effect, etc. Flicker is common in low frequency situations, while the stroboscopic effect exists even at high frequencies. This paper studies the influence of the frequency of modulated light on the visibility of the stroboscopic effect, as well as the difference between Chinese...
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