Product Highlights
Key features at a glance
Display Technology: OLED evo with Hyper Radiant Colour Technology and Reflection Free Premium screen technology
Processor: Alpha 11 AI Processor Gen3 with AI Picture Pro and AI-powered content optimisation
Gaming Features: 4K 165Hz support, VRR, NVIDIA G-SYNC, AMD FreeSync Premium and HDMI 2.1 connectivity
HDR Technology: Dolby Vision, HDR10 and HLG compatibility
Audio Technology: Dolby Atmos support with AI Sound Pro processing
Smart Platform: webOS 26 with personalised recommendations, voice control and smart home integration
Product Highlights
Key features at a glance
Display Technology: OLED evo with Hyper Radiant Colour Technology and Reflection Free Premium screen technology
Processor: Alpha 11 AI Processor Gen3 with AI Picture Pro and AI-powered content optimisation
Gaming Features: 4K 165Hz support, VRR, NVIDIA G-SYNC, AMD FreeSync Premium and HDMI 2.1 connectivity
HDR Technology: Dolby Vision, HDR10 and HLG compatibility
Audio Technology: Dolby Atmos support with AI Sound Pro processing
Smart Platform: webOS 26 with personalised recommendations, voice control and smart home integration
LG OLED55G66LS 55" OLED evo AI G6 4K Smart TV
The LG OLED55G66LS delivers flagship OLED performance in a screen size that suits a wide range of living spaces. Combining OLED evo technology with the Alpha 11 AI Processor Gen3, it produces exceptional contrast, vivid colour reproduction and outstanding detail, helping films, sport and streaming content look more immersive and lifelike.
Unlike the Gallery-mounted G64 models, the OLED55G66LS includes a premium table-top stand, making it ideal for media units and furniture-based installations. Combined with Dolby Vision, Dolby Atmos and advanced gaming technologies, it offers a complete premium entertainment experience.
Ideal For
Premium Living Rooms
The versatile 55-inch screen size combines flagship picture quality with a footprint suited to modern homes.
Furniture-Based Setups
The supplied stand allows simple installation on media units without the need for dedicated wall mounting.
Next-Generation Gaming
Advanced gaming support helps maximise performance from modern consoles and gaming PCs.
Key Features
OLED evo Technology
Self-lit OLED pixels deliver deep blacks, exceptional contrast and precise image control across every scene.
Alpha 11 AI Processor Gen3
Advanced AI processing enhances picture quality, sound performance and content optimisation in real time.
Hyper Radiant Colour Technology
Designed to improve brightness, colour intensity and image realism for a more impactful viewing experience.
Reflection Free Premium
Reduces distracting reflections and helps maintain picture clarity in brighter viewing environments.
4K Gaming Up To 165Hz
Supports VRR, NVIDIA G-SYNC, AMD FreeSync Premium and HDMI 2.1 connectivity for smoother gameplay.
webOS 26 Smart Platform
Access streaming services, personalised recommendations and smart features through LG’s latest interface.
Exceptional OLED Picture Quality
OLED evo technology combines pixel-level light control with advanced brightness enhancements to create remarkable contrast and colour performance. Whether watching films in a darkened room or daytime sport, the OLED55G66LS delivers a richly detailed image with impressive realism.
Intelligent AI Processing
The Alpha 11 AI Processor Gen3 continuously analyses content and optimises both picture and audio performance. This intelligent processing helps improve clarity, depth and overall viewing quality across a broad range of content sources.
Engineered For Gaming
With support for up to 4K 165Hz gaming, variable refresh rates and ultra-fast response times, the OLED55G66LS is designed to deliver smooth and responsive gameplay while helping reduce tearing and motion artefacts.
How It Compares
| Feature | LG OLED55G66LS | Typical Premium TV |
|---|---|---|
| Display Technology | OLED evo with Hyper Radiant Colour | LED or Mini LED |
| Gaming Performance | Up to 4K 165Hz | Typically 120Hz |
| Contrast Control | Self-lit pixels | Backlight controlled |
| Reflection Handling | Reflection Free Premium | Standard anti-glare coating |
| AI Processing | Alpha 11 AI Processor Gen3 | Varies by model |
Strengths
- Flagship OLED evo picture quality
- Alpha 11 AI Processor Gen3
- Hyper Radiant Colour Technology
- Reflection Free Premium screen technology
- Excellent gaming performance with 4K 165Hz support
- Premium stand-mounted design
Considerations
- Premium flagship specification
- Benefits most from high-quality HDR content sources
- A dedicated sound system can further enhance cinematic audio performance
What's in the Box
- LG OLED55G66LS OLED evo TV
- LG AI Magic Remote
- Table-top stand
- Power cable
- User documentation
Compare Similar Models
| Price | €2,699.99 | €1,619.00 | €1,754.00 | €2,069.00 |
| Brand | LG | LG | LG | — |
| Model | OLED55G66LS | OLED65C54LA.AEK | OLED55G54LW.AEK | — |
| Screen Size | 55 inch | — | — | 65 inches |
| Resolution | 4K Ultra HD | — | — | 4K Ultra HD (3840 x 2160) |
| Display Technology | OLED evo | OLED evo | OLED evo | — |
| Refresh Rate | 120 Hz | — | — | 120 Hz |
| Processor | α11 AI Processor 4K Gen3 | α9 AI Processor Gen8 | α11 AI Processor 4K Gen2 | — |
| HDR | Dolby Vision, HDR10 Pro, HLG | — | — | Dolby Vision, HDR10, HLG |
| Audio | 60W, Dolby Atmos | — | — | — |
| Operating System | webOS | — | — | webOS |
| HDMI | 4 x HDMI 2.1 | — | — | — |
| USB | 3 x USB 2.0 | — | — | — |
Product Highlights
Key features at a glance
Display Technology: OLED evo with Hyper Radiant Colour Technology and Reflection Free Premium screen technology
Processor: Alpha 11 AI Processor Gen3 with AI Picture Pro and AI-powered content optimisation
Gaming Features: 4K 165Hz support, VRR, NVIDIA G-SYNC, AMD FreeSync Premium and HDMI 2.1 connectivity
HDR Technology: Dolby Vision, HDR10 and HLG compatibility
Audio Technology: Dolby Atmos support with AI Sound Pro processing
Smart Platform: webOS 26 with personalised recommendations, voice control and smart home integration
