ubuntu-phone team mailing list archive

[Sam Bull <sam.hacking@xxxxxxxx>]

On mer, 2014-03-26 at 07:08 +0100, Martin Pitt wrote:
> Oh, is it? TFT displays don't work like that: the background
> illumination is always the same, and the display pixels just
> filter/hide it at that particular position. So if anything, you save
> battery life with dark text on bright background (i. e. the new theme)
> as you can generally use a lot less intense background illumination.

Modern LCD displays should use features such as dynamic lighting, so
dark areas have the backlight in that area reduced. So, even LCD
displays should use less power on dark screens nowadays. Don't know how
widely these features are used on phones though.

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