bright button

This symbol indicates increasing the brightness of a screen or light. It's used to improve screen visibility in bright environments.

This represents increasing the brightness when the screen is difficult to see outdoors in strong sunlight. It's a function used when you want to see the screen of a digital device more clearly.

This is a universal symbol for maximum brightness or high brightness settings on a display. It signifies setting the screen brightness to the maximum for improved visibility outdoors or for tasks requiring accurate color confirmation.

This is closely related to the auto-brightness control function of modern digital devices, and symbolizes the smart function of automatically switching to the appropriate brightness according to the surrounding environment. It also reflects the advanced display technology of the latest smartphones and tablets.