Presentation
Effects of Glass Transmittance, Font Brightness and Font Size on Text Legibility in LCD Home Appliance Interface
DescriptionThis study experimentally investigated the impacts of major design variables of a liquid crystal display (LCD) home appliance control interface on interface text legibility. The home appliance of interest was a washing machine.
The experimental setup simulated a real-world washing machine usage condition challenging in terms of visual information processing. Independent variables were surface glass transmittance (25%, 50%, and 75%), font brightness (25cd/m², 44cd/m², and 90cd/m² at 60%, 75%, and 100%), and font height (3mm, 5mm, and 7mm). Response time (RT) and proportion of errors (PE) were employed as the dependent measures. Regression analysis was conducted to analyze data.
The results showed that: 1) an increase in the font height resulted in decreases in RT and PE, and 2) increasing glass transmittance and font brightness reduced RT and PE for the 3 mm and 5 mm font heights. The study findings would inform the design of home appliance control interfaces.
The experimental setup simulated a real-world washing machine usage condition challenging in terms of visual information processing. Independent variables were surface glass transmittance (25%, 50%, and 75%), font brightness (25cd/m², 44cd/m², and 90cd/m² at 60%, 75%, and 100%), and font height (3mm, 5mm, and 7mm). Response time (RT) and proportion of errors (PE) were employed as the dependent measures. Regression analysis was conducted to analyze data.
The results showed that: 1) an increase in the font height resulted in decreases in RT and PE, and 2) increasing glass transmittance and font brightness reduced RT and PE for the 3 mm and 5 mm font heights. The study findings would inform the design of home appliance control interfaces.
Event Type
Lecture
TimeWednesday, September 11th11:15am - 11:35am MST
LocationFLW Salon J
Perception and Performance