How to judge whether the screen is led or LCD
Author:Wu Shengsheng Time:2021-07-28 15:44 Browse(145)
Find a lens with polarization function. If the screen turns black when it is rotated to a certain angle, it means LCD. You can see the screen when you rotate it. It means led.
Find a lens with polarization function. If the screen turns black when it is rotated to a certain angle, it means LCD. You can see the screen when you rotate it. It means led.The principle is that the backlight of LCD is parallel light, while LED is scattered light!. LED screen itself is luminous, there is no backlight components, such as cold cathode lamp or LED backlight screen, LCD can not emit light, there is a backlight module..

How to judge whether the screen is led or LCD

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