lockedbrightness
nounUK /lɒktˈbraɪtnəs/
US /lɑːktˈbraɪtnəs/
A brightness that stays the same and cannot be changed.
The tablet's screen had lockedbrightness, so I couldn't make it dimmer.
OTHER MEANINGS
2. A light that is stuck at one level and will not move.
The lamp's lockedbrightness made the room too bright all night.
3. A setting that keeps a screen from getting brighter or darker.
Turn on lockedbrightness so the picture stays the same.
4. A steady shine that cannot be turned up or down.
The phone showed lockedbrightness after the update.