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In recent tests, their thin-film solar cell delivered power-conversion efficiencies of more than 20 percent under 200 lux, the typical amount of illuminance in homes.—IEEE Spectrum, 20 May 2020 Patients sit in front of a bright light box that gives off 10,000 lux, which is a unit of illuminance.—Saleen Martin, USA TODAY, 22 Nov. 2022 Using that information, researchers developed a new standard to measure that light: melanopic equivalent daylight illuminance (EDI).—Ashley Abramson, Health.com, 19 Apr. 2022 Samsung can use different combinations, by adding additional sensors such as an illuminance sensor and/or an iris sensor.—Ewan Spence, Forbes, 18 June 2021 As the full rose moon began to crest over the tops of the townhomes, the blasts from the fireworks started as well, booming in the sky with the moon—illuminance from both God and man.—Omar Tate, Bon Appétit, 3 Sep. 2020
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