Effects of electronic‐book display and inclination on users' comprehension under various ambient illuminance conditions

Wang, An Hsiang; Tseng, Chao-Yuan; Jeng, Shie−Chang; Huang, Kai I.

doi:10.1889/1.2835014

Cited by 12 publications

(13 citation statements)

References 15 publications

(20 reference statements)

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“…However, subjects preferred higher ambient illuminance (500 lx). Wang et al 10 also studied subjects' comprehension for reading different display media (Ch-LC, E-ink, conventional LCD under Transmissive mode and under Reflective mode) as the luminance is set at higher conditions (500, 800, and 2000 lx). The results showed that subjects' comprehension for reading Ch-LC, E-ink, conventional LCD under Transmissive mode, were better than reading comprehension for conventional LCD under Reflective mode when ambient illuminance was set at 200 lx.…”

Section: Introductionmentioning

confidence: 99%

Effects of ambient illuminance on users' visual performance using various electronic displays

Wang¹,

Kuo²,

Jeng³

2009

J Soc Info Display

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Abstract— This study investigated the effect of ambient illuminance (50, 500, 1500, 3000, 6000, and 9000 lx) on participants' visual performance using four electronic displays (conventional LCD under transmissive mode, conventional LCD under reflective mode, Ch‐LC display, and E‐ink display). Analysis results indicate that participants' visual performance shows significant difference under various ambient illuminance and electronic displays. The interaction between ambient illuminance and electronic display also has significant effect on participants' visual performance. When participants use the conventional LCD under transmissive mode, ambient luminance has no significant effect on participants' visual performance. However, participants' visual performance is significantly different under various ambient illuminances using the conventional LCD under reflective mode, Ch‐LC display, and E‐ink display. The conventional LCD under transmissive mode is the only choice at a lower illuminance of 50 lx. Higher illuminance (500 lx) for E‐ink displays may result in as good a performance as the conventional LCD under transmissive mode; nevertheless, much higher illuminance (1500 lx) for the conventional LCD under reflectance mode and Ch‐LC display may achieve better performance.

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Section: Introductionmentioning

confidence: 99%

Effects of ambient illuminance on users' visual performance using various electronic displays

Wang¹,

Kuo²,

Jeng³

2009

J Soc Info Display

Self Cite

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“…Up to now, there were several explorations concerning reflectance based on existing e-readers. Wang et al 36 compared users' reading performance on three reflective-type displays, including an electrophoretic electronic-ink display (Sony LIBRIe', reflectance: 35%), a cholesteric liquid-crystal display (Kolin i-library, reflectance: 27%), and a conventional LCD under reflective mode (HP iPAQ hx 4700, reflectance: 12%). They pointed out that the worsed visual performance for the conventional LCD under reflective mode was due to the lower background reflectance of the display.…”

Section: Effects Of Reflectancementioning

confidence: 99%

Surface treatment, reflectance, and age effects on electronic‐paper reading performance

Lin¹,

Lin²,

Hwang³

et al. 2008

J Soc Info Display

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Abstract— This study is intended to explore the legibility and visual fatigue of different age users under various surface treatments and reflectance of electronic paper. Through the method of character‐search task, the results indicated that compared with single types of treatment [anti‐reflection (AR) 0.8%, anti‐glare, 43% haze), the compound treatment of anti‐reflection and anti‐glare (ARC) exhibited the same legibility, and it showed superior properties to effectively reduce visual fatigue. Hence, it is suggested that electronic‐paper manufacturers should choose the compound surface treatment for better visual performance. On the other hand, the findings also validated that enhancing the reflectance of electronic paper to the same level as regular paper (about 80%) is worthy to be practically implemented. Based on the results of this study, electronic‐paper manufacturers can take useful information to fulfill ergonomic requirements on product design.

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“…Furthermore, they showed that with a curved surface there was less visual fatigue than for a planar surface. In the experiment of Wang et al, 22 it was shown that reading comprehension was better with electronic-ink display.…”

Section: Introductionmentioning

confidence: 97%

Reading experience with curved hand‐held displays

et al. 2008

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Abstract— The aim of this study was to measure reading experiences on curved paper‐like displays. The experimental materials were mockups that consisted of printed paper attached to a curved plastic surface. The experiment participants held the mockups in their hands and evaluated the reading experience with them. Twelve font sizes, two curvature magnitudes, and two curvature directions were used in the experiment. The results showed that reading text on a curved surface was easier when the curvature direction is perpendicular to the text direction. It was also found that concave surfaces were regarded as better in cases where the text direction was the same as the curvature direction.

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Effects of electronic‐book display and inclination on users' comprehension under various ambient illuminance conditions

Cited by 12 publications

References 15 publications

Effects of ambient illuminance on users' visual performance using various electronic displays

Effects of ambient illuminance on users' visual performance using various electronic displays

Surface treatment, reflectance, and age effects on electronic‐paper reading performance

Reading experience with curved hand‐held displays

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