How to judge the green screen

How to judge the green screen? Recently, some Huawei mobile phones have green screens, which makes many users feel uneasy. I hope to check whether my Huawei mobile phone is faulty.

Test pictures of tool raw materials

Methods/Steps Step by Step Reading

1

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First of all, we prepare a test picture, preferably a solid color picture, mainly pure white or pure black, and choose a picture size that just matches the screen of our mobile phone.

2

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After selecting the picture, we can open the picture, let the solid color picture completely occupy our mobile phone screen, and then turn up the brightness of the mobile phone.

three

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If there is a green screen phenomenon, it will be very conspicuous under a solid color background, and you can directly see whether there is a green screen on the mobile phone screen.

four

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If you want to check the green screen of the mobile phone more carefully, you can start time-lapse photography with another camera and expose the screen of the mobile phone for a long time.

five

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When the mobile phone is exposed for a long time, if the screen color of the mobile phone is abnormal, it will appear in an obvious form, which is convenient for us to judge whether there is a green screen.

six

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Obviously, mobile phones are mostly green screens. If you use a white background, you can see it clearly by brightening the screen brightness. If long exposure inspection is required, it is best to use a black background.

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