LG-Ultrafine-Brightness 2

A tool to adjust brightness of LG Ultrafine 4k/5K silently on Windows without the help of Bootcamp.

The program simply send set feature report to the device via USB and then the LG 4/5K monitor adjust the brightness upon receiving such reports.

Thanks to @csujedihy, @unknownzerx, This project is derived from csujedihy/LG-Ultrafine-Brightness which is also derived from unknownzerx/lguf-brightness.

Download

Link to zip

Features

• Adjust brightness silently in background, thus Apps runing in forground won't be interupted
• Use shortcut or filename as option to activate brightness adjustment
• Redesigned in memory and speed conservative manner

Usage

Just double click.

Sample usages

Show brightness

1. Unzip and copy the files into C://Program Files (x86)/LGBrightness/
2. Right click LG-Ultrafine-Brightness.exe > Send to > Desktop (create shortcut)
3. Right click LG-Ultrafine-Brightness.exe shortcut on Desktop > Properties > Target: > add ␣p (space then p) at the very end.

Now brighness would showup upon open the desktop shortcut.

Change to maximium brightness upon runnning

Same as in Show brightness execpt instead of add p to the end, add 9 to the end.

Use Crtl(control) + F2 to brightness up in game

• Install 3RVX(a volume among other controls with keyboard shortcut utility) first

1. Unzip and copy the files into C://Program Files (x86)/LGBrightness/
2. Duplicate LG-Ultrafine-Brightness.exe and rename the new one as LG-Ultrafine-Brightness.+.exe
3. Test if brightness goes up when open up LG-Ultrafine-Brightness.+.exe
4. Modify 3RVX Settings
   1. Right click 3RVX > settings
   2. Click Hotkeys Tab
   3. Click + to add a new Action
   4. Click Hotkey, then press Ctrl + F2 to register that as the new hotkey
   5. Select Run in Action
   6. Select the LG-Ultrafine-Brightness.+.exe

You may also want to create one for brightness down, use LG-Ultrafine-Brightness.-.exe and Ctrl + F1 or whatever hotkey you want

Press the Crtl(control) + F2 you set, brightness changes! 🎉

Want more details?

Run application as LG-Ultrafine-Brightness.exe <option> (shortcut) or LG-Ultrafine-Brightness.<option>.exe (rename)

	Valid <option> arguments: `-` `+` `[` `]` `0` `9` `p` `h`
		'-' or '+' to adjust brightness.
		'[' or: ']' to fine tune.
		'p' to print infomation
		'0' ~ '9' to use the 0% thru 100% level brightness
		'h' to show this info

Works best with

• 3RVX
  • Example:
    • See Sample usages
• Or any other hotkey applications with Run... capabilities

History

• 2.5.1
  • fix help doc
• 2.5:
  • Rearchitected
  • Optimized Speed
  • Option 0~9
• 2.1:
  • have it not poping up any window, on running the app, when there's no message to show up.
• 2.0:
  • this branch

Development

Build

1. Open the sln file by Visual Studio.
2. Select x64 configuration.
3. Build!

csujedihy: Note that I put the hidapi.dll in the project and if you don't believe it's secure, you can build a new one (x64) and replace it.

Linux

Please go to this repo https://github.com/velum/lguf-brightness.