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About OLED -2 ( Difference of Structure between LCD and OLED )
LCD/LED
<OFF>
Backlight (white)
Polarizer
Glass
alignment layer
Shut off
Shut off
alignment layer
Color filter
Glass
Polarizer
black
<On
>
Backlight (white)
through
Angle is
changed by
applying
voltage
Backlight go through the LCD.
electrode
Shut off
LCD
(Liquid crystal
molecules)
electrode
black
black
Voltage
through
through
OLED
<OFF>
( No Backlight )
Glass
Off
EL
Color filter
Glass
black
<On
>
( No Backlight )
ON
ON
(white)
Voltage
Material is lighting directly
OLED
electrode
Off
Off
electrode
black
black
ON
(white)
(white)
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