DELL LATITUDE 5580 LG LP156WF6(SP)(M3) FHD 4XK13 15.6" LED LCD IPS SCREEN
Notebook manufacturers use different types of screens when assembling a single model of laptop. LCD Glass:Matte/ Non-Reflective Surface. Type:Laptop Screen. Screen Size:15.6". This norm dictates an acceptable 2-5 dead pixel.