Does the smartphone’s eye protection mode work?

doi:10.1364/OE.485195

CIOMP OpenIR

	Does the smartphone’s eye protection mode work?
	W. Xu, P. Wu, Q. Yao, R. Zhang, P. Li, L. Bao, C. Wang, S. Chen, Y. Zhang and Y. Shen
	2023
发表期刊	Optics Express
ISSN	10944087
卷号	31 期号:6 页码:10420-10433
摘要	People spend about 5-8 hours per day on phones, causing circadian disruption and eye fatigue, thus raising a great need for comfort and health. Most phones have eye protection modes, claiming a potential eye protection effect. To examine the effectiveness, we investigated the color quality, namely gamut area and just noticeable color difference (JNCD), and circadian effect, namely equivalent melanopic lux (EML) and melanopic daylight efficacy ratio (MDER), characteristics of two smartphones: iPhone 13 and HUAWEI P30, in normal and eye protection mode. The results show that the circadian effect is inversely proportional to color quality when the iPhone 13 and HUAWEI P30 changed from normal to eye protection mode. The gamut area changed from 102.51% to 82.5% sRGB and 100.36% to 84.55% sRGB, respectively. The EML and MDER decreased by 13 and 15, and, 0.50 and 0.38, respectively, affected by the eye protection mode and screen luminance. The EML and JNCD results in different modes show that the eye protection mode benefits the nighttime circadian effect at the cost of the image quality. This study provides a way to precisely assess the image quality and circadian effect of displays and elucidates the tradeoff relationship between them. © 2023 Optica Publishing Group.
DOI	10.1364/OE.485195
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收录类别	ei
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/68547
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	W. Xu, P. Wu, Q. Yao, R. Zhang, P. Li, L. Bao, C. Wang, S. Chen, Y. Zhang and Y. Shen. Does the smartphone’s eye protection mode work?[J]. Optics Express,2023,31(6):10420-10433.
APA	W. Xu, P. Wu, Q. Yao, R. Zhang, P. Li, L. Bao, C. Wang, S. Chen, Y. Zhang and Y. Shen.(2023).Does the smartphone’s eye protection mode work?.Optics Express,31(6),10420-10433.
MLA	W. Xu, P. Wu, Q. Yao, R. Zhang, P. Li, L. Bao, C. Wang, S. Chen, Y. Zhang and Y. Shen."Does the smartphone’s eye protection mode work?".Optics Express 31.6(2023):10420-10433.

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