Backlight Bleed Test

In short Backlight bleed and IPS glow look similar on a black screen and are completely different things, and confusing them is why people return good monitors and keep faulty ones. **Bleed is light escaping around the edges of the panel, and it stays in exactly the same place whatever angle you view it from.** **IPS glow is a silvery wash across a corner that moves, changes shape or fades as you shift your head.** Bleed is a manufacturing defect and is grounds for a return; glow is inherent to how IPS panels work and is not. Move your head first — that one test separates them. On how much is too much, there is no universal standard, which is what makes it frustrating. Judge it in a dimly lit room at your normal brightness, not in a pitch-black room at maximum, because under those conditions every LCD ever made looks unacceptable and you will talk yourself into returning a perfectly normal panel. If it is visible during ordinary use at your normal settings, it is worth acting on. If it only appears in a blacked-out room, it is not.