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Sunrise or sunset on a clear day (ambient illumination) 10 4: 10 kilolux: 10–25 kilolux: Typical overcast day, midday 20 kilolux: Shade illuminated by entire clear blue sky, midday 10 5: 100 kilolux 110 kilolux: Bright sunlight 120 kilolux: Brightest sunlight
The purpose of bias lighting is to reduce the perceived brightness of the display as a result of the contrast with the slightly illuminated area around it. [1] This reduces the eye strain and fatigue that occurs when viewing a bright display against a very dark background for an extended time, [1] and increases the perceived blackness, perceived highlights, and overall contrast of the display.
The typical performance of an ambient light sensor is from less than 50 lux in dim light to over 10,000 lux at noon. [1] There are three common types of ambient light sensor: phototransistors, photodiodes, and photonic integrated circuits, which integrate a photodetector and an amplifier in one device.
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The human body functions well for 16 waking hours a day with activities best planned around "solar noon" — when the sun is at its highest point in the sky, doctors backing universal standard ...
Perceptible on lower refresh rates (60 fps and below) [27] Depends; in 2013 most LCDs used PWM to dim the backlight [28] However, since then many flicker free LCD computer monitors were introduced. [29] Does not normally occur due to a high refresh rate higher than FPS [30] Does not normally occur at 100% brightness level.
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High brightness sunlight readable monitors are typically used commercially in kiosks, vending systems, pipeline inspection systems, outdoor digital signage and advertising, in sports stadiums, in military vehicles, on ships for navigation systems, on bus and train platforms, and much more.