LG OLED55C66LB 55 Inch 4K Ultra HD OLED evo Smart TV - Black

Experience breathtaking OLED picture quality, powerful AI processing, and ultra-smooth gaming with...

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The LG OLED55C66LB is a premium 55-inch 4K Ultra HD OLED evo Smart TV designed for home cinema enthusiasts, gamers, and those seeking an ultra-slim, visually stunning display. It offers breathtaking OLED picture quality with perfect blacks and vibrant colors, powered by the advanced Alpha 11 AI Processor for optimized visuals and sound, alongside elite gaming features. While it delivers an exceptional viewing and gaming experience, its premium nature may come with a higher price point compared to standard LED TVs.

All features

ColourBlack
Display Type4K Ultra HD
Screen Size55
SeriesOLED evo
Model Part NumberOLED55C66LB
BrandLG

Extended Product Information

FAQs

What is OLED evo technology?

OLED evo technology is an advancement in LG's OLED displays that uses over 8.3 million self-lit pixels. It enhances picture quality by enabling brighter visuals, deeper blacks, and more lifelike detail compared to standard OLED panels, offering extraordinary precision and realism.

What is the refresh rate for gaming on this TV?

The LG OLED55C66LB supports Variable Refresh Rate (VRR) up to 165Hz, along with NVIDIA G-SYNC compatibility and AMD FreeSync Premium, ensuring incredibly smooth and responsive gameplay.

Can this TV display artwork when not in use?

Yes, the LG Gallery+ feature allows the TV to display curated artwork and digital art collections when not in active use, transforming the screen into a decorative piece.

What are the benefits of the Alpha 11 AI Processor?

The Alpha 11 AI Processor 4K Gen3 intelligently optimizes picture and sound in real-time. It enhances visuals through AI Picture Pro, AI HDR Remastering, and 4K Upscaling, and improves audio with AI Sound Pro, creating a more immersive and lifelike entertainment experience.

Is this TV good for watching movies in a bright room?

Yes, LG's Perfect Black and Perfect Colour certification, along with Brightness Booster technology, ensure vivid colors and deep contrast even in bright rooms, maintaining an excellent viewing experience.

What smart home features does this TV support?

The TV supports LG ThinQ for smart home control and integrates with platforms like Google Gemini and Microsoft Copilot. It also supports Apple AirPlay and Google Cast for easy content streaming from mobile devices.

What is the response time for this OLED TV?

The LG OLED55C66LB boasts an ultra-fast response time of 0.1ms, which is crucial for eliminating motion blur and ensuring sharp, clear images in fast-paced scenes and gaming.

Troubleshooting

TV will not turn on

Ensure the power cord is securely plugged into both the TV and a working electrical outlet. Try a different outlet. Check if the remote's batteries are depleted and replace them if necessary. If the issue persists, try unplugging the TV for 60 seconds, then plugging it back in.

Picture quality is poor or has artifacts

Verify that the input signal is appropriate for the TV's resolution (e.g., 4K for 4K content). Check cable connections for any damage. Ensure AI Picture Pro settings are enabled and configured correctly. Try disabling advanced picture processing options temporarily to see if the issue resolves.

No sound or distorted audio

Check that the volume is not muted and is turned up. Ensure the correct audio output is selected in the TV settings. If using external audio devices (soundbar, receiver), check their connections and settings. Try restarting the TV and any connected audio equipment.

Gaming is not smooth or experiencing tearing

Confirm that the HDMI cable is connected to an HDMI 2.1 port on both the TV and the gaming console/PC. Ensure VRR and ALLM settings are enabled in both the TV's Game Optimiser and your console/PC's display settings. Update graphics drivers on PC if applicable.

Smart TV features are slow or unresponsive

Check your internet connection speed and stability. Restart your router and modem. Clear the cache for individual apps or reset the TV's network settings. Ensure the TV's firmware is up to date.

Pros and Cons

Pros

  • Exceptional OLED picture quality with perfect blacks and infinite contrast.
  • Advanced AI processing significantly enhances both picture and sound.
  • Top-tier gaming features provide a smooth and responsive experience.
  • Immersive Dolby Vision and Dolby Atmos support for a cinematic feel.
  • Sleek, ultra-slim design that integrates beautifully into any room.

Cons

  • Premium pricing may be a barrier for some consumers.
  • OLED screens can be susceptible to burn-in with static images over extended periods (though mitigated by modern tech).
  • Requires a dedicated space for optimal viewing angles and ambient light control.
  • WebOS, while advanced, might have a learning curve for users unfamiliar with LG's ecosystem.

Setup, Compatibility & Care

Setup:

  1. Unboxing and Placement: Carefully unbox the TV and place it on a stable surface or mount it using a compatible VESA mount. Ensure adequate ventilation around the unit.
  2. Connection: Connect power, and then connect your preferred devices (e.g., soundbar, gaming consoles, Blu-ray player) via the HDMI ports. Use the HDMI 2.1 ports for gaming features.
  3. Initial Setup: Power on the TV and follow the on-screen prompts to connect to your Wi-Fi network, sign in to your LG account, and scan for channels.
  4. AI Magic Remote Pairing: Pair the AI Magic Remote by pressing and holding the scroll wheel button when prompted during the initial setup.

Compatibility:

  • HDMI Ports: Supports the latest HDMI 2.1 standards for 4K 120Hz, VRR, ALLM, and eARC.
  • HDR Formats: Compatible with Dolby Vision, HDR10, and HLG.
  • Gaming Standards: Works seamlessly with NVIDIA G-SYNC and AMD FreeSync Premium.
  • Smart Home: Integrates with LG ThinQ and supports Apple AirPlay and Google Cast.
  • Voice Assistants: Supports Google Gemini and Microsoft Copilot integration.

Care:

  • Cleaning the Screen: Use a clean, soft, microfiber cloth slightly dampened with water or a specialized screen cleaner. Never spray liquid directly onto the screen. Avoid abrasive cleaners or paper towels.
  • Ventilation: Ensure the TV's ventilation slots are not blocked to prevent overheating.
  • Burn-in Prevention: To minimize the risk of screen burn-in (permanent image retention), avoid displaying static images (like channel logos or game HUDs) at high brightness for prolonged periods. Utilize features like the LG Gallery+ Art Experience or screen savers when the TV is idle.
  • Software Updates: Regularly check for and install software updates via the TV's settings menu to ensure optimal performance and access to the latest features.