I don’t know what it’s called, but I can tell you it’s caused by air being trapped underneath the screen protector. Whoever put it on didn’t know to start in the middle and apply pressure outward so you can wipe bubbles toward the edge to remove them.
Or, they were doing a hundred of them and knew they wouldn’t have to look at any of them again, so they just threw it on there as fast as they could.
This happens with any layered glass with a change in refractive index, cause by a layer of plastic or glue. You can see this on car windows at the right angle because they are layered glass and plastic.
I don’t know what it’s called, but I can tell you it’s caused by air being trapped underneath the screen protector. Whoever put it on didn’t know to start in the middle and apply pressure outward so you can wipe bubbles toward the edge to remove them.
Or, they were doing a hundred of them and knew they wouldn’t have to look at any of them again, so they just threw it on there as fast as they could.
This happens with any layered glass with a change in refractive index, cause by a layer of plastic or glue. You can see this on car windows at the right angle because they are layered glass and plastic.
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