2021
DOI: 10.1016/j.buildenv.2021.108321
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The effects of different bedroom light environments in the evening on adolescents

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Cited by 21 publications
(11 citation statements)
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“…These results are reasonable because the M/P ratios of daytime and nighttime HC-LEDs were designed differently compared with the c-LEDs. Therefore, it is anticipated that use of the developed HC-LED would help maintain a healthy circadian rhythm by further suppressing melatonin during the daytime and increasing melatonin secretion at nighttime. However, in the 50 h protocol, the participants were not restricted in their behavior, and thus, the vertical illuminance and CS value could vary depending on their position, gaze, and posture. In addition, the vertical illuminance varies greatly depending on the characteristics of the room, such as the size of the room, the reflectance of the wall, and the location of the lighting.…”
Section: Resultsmentioning
confidence: 99%
“…These results are reasonable because the M/P ratios of daytime and nighttime HC-LEDs were designed differently compared with the c-LEDs. Therefore, it is anticipated that use of the developed HC-LED would help maintain a healthy circadian rhythm by further suppressing melatonin during the daytime and increasing melatonin secretion at nighttime. However, in the 50 h protocol, the participants were not restricted in their behavior, and thus, the vertical illuminance and CS value could vary depending on their position, gaze, and posture. In addition, the vertical illuminance varies greatly depending on the characteristics of the room, such as the size of the room, the reflectance of the wall, and the location of the lighting.…”
Section: Resultsmentioning
confidence: 99%
“…Serious health problems or even compromising health and well-being were reported when large deviations from the recommended range of sleep continued for a longer period. [2] The IE can affect the sleeping quality through thermal conditions [3,4], external noise [5], lighting conditions [6], or indoor air quality [7].…”
Section: Introductionmentioning
confidence: 99%
“…Owing to its direct-bandgap nature, gallium nitride (GaN)based binary alloy is ideal for the gain medium of visible-light laser diode (LDs). Over the past three decades, tremendous progress has been made on high-efficiency and long-lifetime LDs, which are promising in color display, lighting, storage, and biological applications [1][2][3][4]. Benefitting from the carrier clamping effect of stimulated emission, LDs can work at high injection levels up to several kA cm -2 , and their power can exceed several watts, distinguished from light-emitting diodes (LEDs) mostly working at a few hundred A cm -2 [5].…”
Section: Introductionmentioning
confidence: 99%