Lenovo L22i-30 - 54.6 cm (21.5") - 1920 x 1080 pixels FHD LED Monitor Apple iPhone 12 One of the factors responsible

One of the factors responsible for this phenomenon is the blue light emitted by the screen

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6 cm Digital horizontal frequency 30 - 114 kHz Supported graphics resolutions 2560 x 1440 Supported video modes 1440p Backlight type W-LED Display resolution 2560 x 1440 pixels Response time 4 ms Display diagonal 68

2 cm HDMI Yes AMD FreeSync refresh rate range 48 - 165 Hz Energy efficiency scale A to G Power supply type Internal Recyclable packaging material 100% Touchscreen No Exterior finish type Textured DCI-P3 coverage 94% External power adapter No Front bezel colour Black/Red Certificates Certification ISO 9241-307

Turning on the OverDrive feature will eliminate that

Lenovo L22i-30 - 54.6 cm (21.5") - 1920 x 1080 pixels FHD LED Monitor Apple iPhone 12 One of the factors responsible54. 6cm (21. 5") Full HD 1920 x 1080 W LED IPS, 16: 9, 250cd m, 16. 7M, 6ms, 178 178, 1000: 1 The 21. 5 inch In Plane Switching panel of the L22i 30 with 3 side near edgeless design delivers quality visuals as well as a modern look. L22i 30 adopted stylish metal stand with phone holder and cable management groove. Users can easily get immersed in entertainment with 75Hz refresh rate and free sync while Low Blue Light certified eyecare technology