(c) The image below shows a schematic of a liquid crystal display (LCD) screen. Between the rear and front polarisers ar

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(c) The image below shows a schematic of a liquid crystal display (LCD) screen. Between the rear and front polarisers ar

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C The Image Below Shows A Schematic Of A Liquid Crystal Display Lcd Screen Between The Rear And Front Polarisers Ar 1
C The Image Below Shows A Schematic Of A Liquid Crystal Display Lcd Screen Between The Rear And Front Polarisers Ar 1 (41.73 KiB) Viewed 32 times
(c) The image below shows a schematic of a liquid crystal display (LCD) screen. Between the rear and front polarisers are liquid crystals which can be switched 'on' by an electric field and thus the liquid crystals act as a polariser. Pixel Polarized Glass Liquid V Voltage Crystal Polarized Glass Backlight (1) Describe what a polaroid does? (2 marks) (ii) LCD screens use colour addition whereby only 3 colours are used to create all possible colours. Name the 3 colours used. (3 marks)
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