1. Product Overview
The LG OLED77G5 is a flagship 77-inch 4K OLED TV designed to deliver cinematic performance with cutting-edge display technology, intelligent processing power, and sleek design. Released in April 2025, it features the advanced OLED evo panel, powered by the α11 AI Processor Gen2, and operates on LG’s latest webOS 25 smart platform. It supports a native refresh rate of 120Hz and variable refresh rates (VRR) up to 165Hz, ensuring ultra-smooth motion, ideal for movies, sports, and gaming.
2. Display Technology
2.1 OLED evo Panel
Utilizing self-lit pixels, the OLED evo panel provides absolute black, infinite contrast, and accurate color reproduction. Each pixel can be individually turned on or off, eliminating the need for backlighting and offering unparalleled picture precision.
2.2 4K UHD Resolution
With a resolution of 3840 x 2160, the OLED77G5 presents fine details and crystal-clear imagery. It is perfect for 4K content streaming, UHD Blu-rays, and high-quality upscaling of lower-resolution media.
2.3 Dynamic Refresh Rates
The panel supports native 120Hz and variable refresh rates ranging from 48Hz to 165Hz, making it an excellent choice for gamers and fast-paced content enthusiasts. Combined with low input lag and response time, it ensures a fluid and immersive experience.
3. Processing & Picture Enhancements
3.1 α11 AI Processor Gen2
This powerful processor uses deep-learning algorithms to enhance image and sound quality in real-time. It intelligently analyzes scenes and upscales content to 4K with clarity and depth. AI Picture Pro and AI Sound Pro adapt to different genres and ambient conditions.
3.2 Dolby Vision & HDR10 Support
HDR content is rendered with precision thanks to Dolby Vision and HDR10 support. It offers greater brightness, color accuracy, and contrast range, allowing users to enjoy vivid and true-to-life images.
4. Smart Features
4.1 webOS 25
LG’s webOS 25 provides an intuitive interface with customizable user profiles, smart recommendations, and quick app access. It supports voice control via LG ThinQ AI, Google Assistant, and Amazon Alexa.
4.2 Smart Home Compatibility
Integrated with Matter and other smart home protocols, the TV serves as a control hub for compatible smart devices. Users can manage their lights, thermostats, and appliances right from the screen.
4.3 Multi-Device Connectivity
The TV supports AirPlay 2, Miracast, and screen sharing for seamless connection with smartphones, tablets, and PCs. It also includes multiple HDMI 2.1 ports, eARC, and Wi-Fi 6 for future-ready connectivity.
5. Design and Build
5.1 Gallery Design
The OLED77G5 features a sleek Gallery Design with an ultra-thin profile (24.8mm), ideal for flush wall-mounting. The design complements modern interiors and maximizes viewing impact without distractions.
5.2 Dimensions and Weight
Without the stand, the TV measures approximately 1712 x 982 x 24.8 mm and weighs around 33.6 kg, making it a sizable yet elegant presence in any space.
6. Audio Technology
6.1 AI Sound Pro
With built-in speakers and AI Sound Pro, the TV simulates a virtual 9.1.2 surround sound experience. It adapts audio output based on content and room acoustics for an immersive soundscape.
6.2 Dolby Atmos Support
The OLED77G5 supports Dolby Atmos, delivering multidimensional sound that enhances the realism of any scene. Audio feels as if it’s moving around the viewer, creating a theater-like environment at home.
7. Connectivity and Ports
• HDMI: Multiple HDMI 2.1 ports for high-bandwidth connections (e.g., 4K@120Hz)
• USB: High-speed USB ports for media playback and peripheral devices
• Ethernet: RJ45 for wired internet connection
• Wi-Fi: Integrated Wi-Fi 6 for fast wireless performance
• Bluetooth: Bluetooth 5.0 for seamless pairing with audio and input devices
8. Broadcast Support
Supports both analog and digital TV standards including NTSC, PAL, SECAM for analog, and ATSC, ATSC 3.0, and QAM for digital reception.
9. Use Scenarios
Whether mounted in a home theater, living room, or executive suite, the OLED77G5 is ideal for:
• Watching 4K HDR movies and streaming series
• Immersive gaming with VRR and high refresh rates
• Smart home integration and entertainment control
• Professional presentations and digital signage in premium settings
10. Summary
The LG OLED77G5 is a next-generation OLED TV that combines aesthetic brilliance with powerful performance. It’s built to satisfy cinephiles, gamers, and tech-savvy homeowners who demand the best in visual and smart technology. With Dolby Vision, HDR10, AI enhancements, and webOS 25, it’s a future-proof centerpiece of home entertainment.
