Effect of character contrast ratio of tablet PC and ambient device luminance ratio on readability in low ambient illuminance. - Hanui Yu; Takeshi Akita; Takaaki Koga; Naoko Sano (Displays, 2018)

Influence of ambient-tablet PC luminance ratio on legibility and visual fatigue during long-term reading in low lighting environment. - Hanui Yu; Takeshi Akita (Displays, 2020)