LG OLED Protection Features (TPC, GSR, Logo Luminance) Explained

Understand ASBL/TPC and GSR dimming on LG OLED TVs, Logo Luminance behavior, and safe adjustments. Learn when not to disable protections.

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ProtectionDimmingFAQHowTo

Overview

LG OLEDs include several protection systems designed to reduce static‑image risk and extend panel life. Understanding them helps you choose the right balance between brightness stability and longevity.

Key Terms

  • TPC (ASBL): Temporal Peak Control that dims the screen after static content.
  • GSR: Global Sticky Reduction that reduces static high‑APL areas.
  • Logo Luminance: Reduces brightness around detected channel logos.

When to Adjust

  • If you watch mixed content and bright UI elements, keep protections enabled.
  • For short, controlled sessions (e.g., gaming with dynamic scenes), you may prefer higher brightness stability.

Warning: Service menu changes can void warranties or increase burn‑in risk. Proceed carefully and document defaults before changes.

Safer Alternatives

  • Use less aggressive energy saving.
  • Slightly reduce OLED Pixel Brightness and keep UI elements moving.
  • Prefer modes that preserve highlight detail without sustained full‑screen brightness.

With OLED Control

  • Guided presets minimize unnecessary dimming while staying within safer brightness envelopes.

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