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Отредактированно Evan Noronha -
Правка одобрена автор Evan Noronha
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- | [* icon_note] Ever wonder what a polarizing film does? Join us for ***Science with iFixit*** as we shine some light on the inner workings of an LCD and why they need a polarizing film |
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+ | [* icon_note] Ever wonder what a polarizing film does? Join us for ***Science with iFixit*** as we shine some light on the inner workings of an LCD and why they need a polarizing film: |
+ | [* black] First, the backlight shoots light through a thin layer of liquid crystals. As the light passes through it's reflected at different angles by the crystals' orientation. |
+ | [* black] The angle of reflection determines the color of the light we see. In order to change the angle (and by extension, color) the display hardware must apply a voltage across the liquid crystals to change their orientation. |