My screen is using an excessive amount (≥47%) of my battery usage on the Asus Zenfone 6.
Android 10, Build Number "...121"
No need to worry, it's normal.
Yeah it's IPS LCD you can expect that.
Can you tell me how much screen time you get? I'm usually get 10 hour of sot in the end of the day.
I am also approximately getting that same time.
Screen on time calculation is vague for battery performance. If don't use my phone much, I get 3-4 hours of SOT over 3 days in single charge.
If your most uses on outdoor/bright light, then most probably screen is always on high setting. Then, It looks normal.