OLED Sleeper is a lightweight Windows application designed to automatically blackout or dim idle secondary monitors, effectively preventing OLED burn-in and enhancing focus during work or gaming. This tool addresses a common issue for users with multi-monitor setups, allowing for individual control over display behavior without impacting the entire system's power state.

Key Features

• Native WPF Application: Built entirely with native Win32 calls, requiring no additional dependencies.
• Three Idle Detection Modes: Tailor how the tool recognizes idle monitors:
  • Mouse Movement: Monitors cursor activity specifically on the selected monitor.
  • Focused Application: Observes activity in the currently active window on that monitor.
  • System-Wide Input: Tracks overall keyboard and mouse input throughout the system, akin to standard Windows idle detection.
• Per-Monitor Control: Manage any monitor individually with options to blackout or dim.
• Two Action Modes: Supports full blackout or dimming (DDC/CI compatible).
• Focus Mode: Temporarily hides secondary monitors to minimize distractions.
• Instant Wake-Up: Monitors are immediately restored once user activity is detected.

Benefits

• Protects OLED displays from potential burn-in by limiting the time static images are visible.
• Creates a distraction-free environment for enhanced productivity.
• Saves energy by managing the power state of secondary displays when not in use.

Requirements

• Compatible with Windows 10 or 11.
• Dimming functionality requires monitors that support DDC/CI brightness control.

Usage Instructions

Simply download the installer from the Releases page, follow the prompts to set it up, and configure which monitors to manage along with preferred idle detection modes. OLED Sleeper runs in the background, continuously optimizing the display settings based on user-defined timers.