Replacing the LCD is not going to resolve this issue. The light bleed is only seen in dark environments and when the background is black or grey in color. This is normal as per industry standards. Also, pressing the corner of the LCD will produce the issue but no user should be doing this.
I bought DELL INSPIRON 3501 11th generation on 31 OCT 2021 and its still in warranty i faced an issue there were so many dead pixels on my screen so i contacted customer care and went to service centre as they suggested me, they submitted my laptop and after 1 week they called me that it fixed collect it now i went there and found that they did not fit the screen or its panel properly and the screen is not original it is blurry screen. i went there again but they did not help me iam helpless i bought this device with my own saving and now you guys doing this, litterly the worst experinece of my life,,,  
service centre