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A simple trick to conserve laptop battery power
I Am Not A Display Engineer, But...
A simple trick to conserve laptop battery power
You're thinking of a simple LCD like one you'd find in a watch or calculator. And you are correct. In order to display that black bar a current is required. But the color LCDs used in laptops, are black by default. So the more black on the screen the less energy that would technically be required.
A simple trick to conserve laptop battery power
Yeah, he may be thinking of the old Powerbook 1xx series. I had a 170 and bugged the guy who wrote the Basic Black screensaver to add a 'white' mode for Powerbook users. It make maybe 10 minutes difference on battery.
A simple trick to conserve laptop battery power
It depends on how the polarizers are set. In a pocket calculator, you can invert the display by simply reversing the polarizing filter in front of the LCD |
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