77 inch LG OLED AI TV B5 120Hz Dolby Vision & HDR10 4K UHD (2025)
OLED77B5PSA
The next generation of LG AI TV with Alpha 8 AI Processor Gen2
True black levels in every pixel create stunning contrast, depth, and detail
100% Color Fidelity for accurate lifelike colors. 100% Color Volume for richer hues
4 years of upgrades guaranteed over 5 years with webOS Re:New Program
New AI button, voice controls, drag and drop functions on the AI Magic Remote
Dolby Atmos® for immersive sound and incredibly lifelike graphics of Dolby Vision
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LG OLED77B5PSA – 77″ AI OLED evo 4K Smart TV (2025)
Perfect Black, Unmatched Detail
Enjoy cinematic perfection with OLED’s self-lit pixels that switch off completely for absolute black. Every detail, no matter how subtle, is revealed with incredible clarity and contrast, making dark scenes just as captivating as bright ones.
Vivid, True-to-Life Colors
With 100% Color Fidelity and 100% Color Volume, colors appear exactly as intended by the creator—rich, accurate, and vibrant from every viewing angle. The result is a picture so lifelike, it feels like looking through a window.
Powered by the α8 AI Processor Gen2
This next-generation processor analyzes and optimizes every frame, enhancing sharpness, depth, and motion while refining audio for a more immersive experience. It adapts automatically to what you’re watching, ensuring the best possible picture and sound every time.
Cinematic HDR & Ultra-Smooth Motion
Support for Dolby Vision, HDR10, and HLG means you get the full range of cinematic color and contrast. A native 120Hz refresh rate, combined with OLED Motion technology, ensures action scenes are smooth, clear, and blur-free.
Immersive Sound Experience
α8 AI Sound Pro transforms ordinary audio into virtual 9.1.2-channel surround sound, while Dolby Atmos delivers a rich, three-dimensional soundstage. Clear Voice Pro keeps dialogue sharp and easy to hear, even in busy scenes.
Designed for the Modern Home
The ultra-slim design and near-invisible bezels let the picture take center stage. Whether mounted on the wall or placed on a stand, this 77-inch TV blends seamlessly into any space.
Gaming Excellence
With 4K at 120Hz, Variable Refresh Rate (VRR), Auto Low Latency Mode (ALLM), AMD FreeSync, and NVIDIA G-SYNC compatibility, the OLED77B5PSA is ready for even the most demanding games—delivering smooth, responsive, and tear-free gameplay.
Smarter Viewing with AI Magic Remote
The AI Magic Remote gives you intuitive point-and-click control, voice commands, and access to features like AI Search, AI Concierge, AI Chatbot, and personalized Voice ID.
webOS 25 & Long-Term Support
The latest webOS 25 interface offers a sleek, user-friendly experience, while the webOS Re:New Program guarantees major updates for up to five years, keeping your TV secure, fresh, and future-ready.
Why Choose the OLED77B5PSA
Picture Quality: OLED evo display with perfect blacks and lifelike colors
Smart Performance: α8 AI Processor for optimized visuals and sound
Cinema-Ready: Dolby Vision, HDR10, and Dolby Atmos support
Gaming-Optimized: 4K 120Hz, VRR, ALLM, FreeSync, and G-SYNC
Future-Proof: Long-term software updates and smart features
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DIMENSIONS AND WEIGHTS
TV Dimensions without Stand (WxHxD, mm) – 1678 x 964 x 59.9
TV Dimensions with Stand (WxHxD, mm) 1678 x 1027 x 361
Packaging Dimensions (WxHxD, mm) 1820 x 1115 x 200
TV Stand (WxD, mm)1344 x 361
TV Weight without Stand (kg) 31.4
TV Weight with Stand (kg) 31.8
Packaging Weight (kg) 40.7
VESA Mounting (WxH, mm) 400 x 400
GAMING
HGIG Mode – Yes
Game Optimizer – Yes (Game Dashboard)
ALLM (Auto Low Latency Mode) – Yes
SMART TV
Operating System (OS) – webOS 23
ThinQ – Yes
Intelligent Voice Recognition – Yes
Magic Remote Control – Built-In
Works with Apple Airplay2 – Yes
Smartphone Remote App – Yes (LG ThinQ)
Full Web Browser – Yes
Sports Alert – Yes
Room to Room Share – Yes (Receiver)
Family Settings – Yes
USB Camera Compatible – Yes
AUDIO
Audio Output – 20W
Speaker System – 2.0 Channel
Speaker Direction – Down Firing
AI Sound – AI Sound (Virtual 5.1 Up-mix)
Clear Voice Pro – Yes
AI Acoustic Tuning – Yes
LG Sound Sync. -Yes
Sound Mode Share – Yes
Simultaneous Audio Output – Yes
Bluetooth Surround Ready – Yes (2 Way Playback)
Audio Codec – AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to manual)
CONNECTIVITY
HDMI Input – 3ea (supports eARC, ALLM as specified in HDMI 2.1)
Simplink (HDMI CEC) – Yes
HDMI Audio Return Channel – eARC (HDMI 2)
USB Input – 2ea (v 2.0)
Wi-Fi – Yes (Wi-Fi 5)
Bluetooth Support – Yes (v 5.0)
Ethernet Input – 1ea
RF Input (Antenna/Cable) – 1ea
SPDIF (Optical Digital Audio Out) – 1ea
ACCESSIBILITY
High Contrast – Yes
Gray Scale – Yes
Invert Colors – Yes
POWER
Power Supply (Voltage, Hz) – AC 100~240V 50-60Hz
Standby Power Consumption – Under 0.5W
ACCESSORIES INCLUDED
Remote – Magic Remote
Remote Control Batteries – Yes (AA x 2EA)
Power Cable – Yes (Attached)
PICTURE (DISPLAY)
Display Type – 4K UHD
Display Resolution – 4K Ultra HD (3,840 x 2,160)
Backlight Type – Direct
Refresh Rate – 60Hz Native
PICTURE (PROCESSING)
Picture Processor – α5 AI Processor 4K Gen6
AI Upscaling – 4K Upscaling
AI Brightness Control – Yes
HDR (High Dynamic Range) – HDR10 / HLG
FILMMAKER MODE™ – Yes
Dynamic Tone Mapping – Yes
Picture Mode – 9 modes (Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, (ISF)Expert(Bright Room), (ISF)Expert(Dark Room))
Contact Us
LG Electronics (M) Sdn. Bhd. (505660-U)(AJL932279)
A-08-01, Level 8, Block A, PJ8,
No.23, Jalan Barat Seksyen 8,
46050 Petaling Jaya,
Selangor
Bloomsvale Shopping Gallery
L1-011A, Jalan Puchong
58200 Kuala Lumpur
Brandie Jee
LG Puricare Senior Manager
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