Reducing Anti-glare sparkle

Companion video

Reducing AG sparkle from etched glass

I don't know of any way to remove the anti-glare sparkle if it is due to etched glass.

However, some people have had luck reducing the sparkle by adding a film on top of the AG glass.

Here is an example:

• r/wacom - Cintiq 24 Pro OEM screen protector 6/9/2023

Reducing AG sparkle from AG films

Tablets with replaceable AG films

Some tablets have a film that is designed to be removed and replaced. For example the Huion Kamvas 13 https://www.youtube.com/watch?v=B8CyIZfX8co. If you have such a tablet you could remove the film.

You could also try 3rd party screen protectors to replace the one you have. See protective sheets.

Tablets without replaceable AG films

If the tablet's film is not designed to be removed, you could still do it, but I think you might risk damaging the glass. If you do pursue this route, try to find someone who did this before and learn from their experience.

Removing the AG film without replacing it

If you do remove the film, you will be drawing on the glass of the display. To avoid scratching that glass, you may want to search for a film that can protect it, but that does not have any anti-glare treatment. See protective sheets.

Reddit threads

• r/huion - https://www.reddit.com/r/huion/comments/13ikmph/ - This deleted reddit post has an video thet perfectly demonstrates the shimmering effect of the sparkle.

• r/huion - Is this normal? Possible display issue? noisy output? 11/23/2022

References

• Radiant Vision Systems - Repeatable Sparkle Measurement for Quality Control of Anti-Glare Displays 2020/10/26

• Radiant Vision Systems - Defining a Sparkle Measurement Standard for Quality Control of Anti-Glare Displays 2020/10/08

• Gollier et al. - Display Sparkle Measurement and Human Response

• Ferwerda et al. - Perception of sparkle in anti-glare display screens