Description
MODEL | OLED77ZX9LA
- Self-lit LG OLED: the most innovative technology in TV
- Ultimate 8K picture quality enhanced by the LG α9 Gen 3 8K processor
- Dolby Atmos giving immersive three-dimensional sound
- Ultra slim design and flush wall-mount included
- Award-winning smart platform: LG webOS
- Perfect viewing angle
Self-lit OLED – The most innovative technology in TV
In contrast to LED TV technology that uses backlights, LG OLED screens pack self-lit pixels which means they work independently to emit their own light. This allows for perfect black levels, outstanding colours, infinite contrasts and the sharpest details which ultimately uncover all the details in darker scenes.
LG OLED powers REAL 8K
Real 8K adds extraordinary definition level to every film scene, as if you were right there inside the action. With over 100 million self-lit subpixels*, every single detail of LG OLED Real 8K TV is uncovered like never before on your cinematic 77-inch size screen.
See it in brilliant 8K resolution
Using deep learning algorithms, LG OLED 8K transforms 2K or 4K content into the most life-like 8K picture by enhancing detail and definition. Enjoy much clearer text and images with reduced noise and enhanced sharpness.
More 8K videos in REAL 8K
With HEVC, AV1, and VP9 codec1) support, you can watch 8K YouTube videos as well as 8K videos from a USB storage device or streaming services2).
The most spectacular TV experience
With deep learning algorithms, the newest and most powerfulLG’s α9 Gen3 Processor 8K delivers the ultimate image and sound quality for the most exquisite viewing experience.
TV takes a leap forward
Transform your TV into a central hub with the intelligent ThinQ AI. LG ThinQ allows simple command and control your Home IoT ecosystem with natural voice recognition, there’s no remote needed. Also, with the Google Assistant and Amazon Alexa built-in, LG OLED TV makes life so much more convenient.
Dolby Vision IQ & Dolby Atmos
Watch movies the way they should be – absolutely breathtaking. With Dolby Vision IQ, screen brightness, colour, and contrast are intelligently adjusted for content and lighting conditions. Dolby Atmos delivers three-dimensional immersive sound to make you feel as if you are right there inside the action.
Watch films as the director intended
In addition to deep blacks, LG OLED TVs now feature the all-new FILMMAKER MODE™. This mode disables effects like motion smoothing, image sharpening and preserves the original vision of the director. It’s easily activated through the TV menu, or by using the LG smart remote in-built voice control. We are proud that leading directors support this feature.
LG webOS – Unlimited Entertainment
Enjoy all your favourite content from Netflix, Disney+, Apple TV+ and LG Channels and more. The latest movies, TV shows and documentaries can also be accessed through voice command.
Play every game at the highest standards
As the first TVs to offer NVIDIA G-SYNC Compatible support in the industry, LG OLED is the ultimate choice for your gaming setup. All your PC games will be clearer and smoother with less stutter, lag, and flicker. Stay on the winning side with the best TV for gaming.
Smoother gameplay for the win
A higher frame rate, VRR, ALLM, and eARC with HDMI 2.1 support. These are the LG’s latest gaming features that allow fast-moving content in higher resolution and smooth, synchronised graphics.
Self-lit pixels for comfortable viewing
LG OLED TVs are “Eye Comfort Display” certified which means they emit a lower level of blue light and protect your eyes whilst watching your favourite content.







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AI 8K UpscalingSee it in brilliant 8K resolutionUsing deep learning algorithms, LG OLED 8K transforms 2K or 4K content into the most life-like 8K picture by enhancing detail and definition. Enjoy much clearer text and images with reduced noise and enhanced sharpness.
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Built-in Video DecoderMore 8K videos in REAL 8KWith HEVC, AV1, and VP9 codec1) support, you can watch 8K YouTube videos as well as 8K videos from a USB storage device or streaming services2).
2) Streaming may require a software update after purchase. 8K content availability may vary depending on the service provider.
*8K playback requires a high-bandwidth internet connection.


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Immersive Cinema ExperienceSELF-LIT pixels make every scene feel real
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Dolby Vision IQ & Dolby AtmosEnjoy professionally mastered visual and soundWatch movies the way they should be – absolutely breathtaking. With Dolby Vision IQ, screen brightness, colour, and contrast are intelligently adjusted for content and lighting conditions. Dolby Atmos delivers three-dimensional immersive sound to make you feel as if you are right there inside the action.
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FILMMAKER MODE™Watch films as the director intended.In addition to deep blacks, LG OLED TVs now feature the all-new FILMMAKER MODE™. This mode disables effects like motion smoothing, image sharpening and preserves the original vision of the director. It’s easily activated through the TV menu, or by using the LG smart remote in-built voice control. We are proud that leading directors support this feature.Watch the Full Movie
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Unlimited EntertainmentLG webOS smart platform: your favourite content all in one placeEnjoy all your favourite content from BBC iPlayer, Netflix, Disney+, Apple TV+ and LG Channels and more. The latest movies, TV shows and documentaries can also be accessed through voice command.
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Disney+Your favourites, all in one placeDisney+ gives you full access to stream classics, binge on new Originals, or catch the latest movies. With Disney, Pixar, Marvel, Star Wars and more – there’s something for everyone.
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The most responsive Gaming ExperienceSELF-LIT pixels ensure blazingly fast gameplay.
**NVIDIA G-SYNC is compatible with RTX 20 and GTX 16 graphics cards. Older GPUs will not support G-SYNC compatibility.
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VRR, ALLM and eARCSmoother gameplay for the winA higher frame rate, VRR (Variable Refresh Rate), ALLM (Auto Low Latency Mode) and eARC (Enhanced Audio Return Channel) all meeting HDMI 2.1 specifications. These latest features allow fast-moving content in higher resolution and smooth, synchronized graphics. It’s a more lifelike gaming experience. LG OLED 8K TVs have successfully completed testing at the HDMI Authorized Test Center in accordance with the HDMI Compliance Test Specification (2.1d)*.
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Low Input Lag & Fast Response TimeDon’t lag behind the competitionDominate your way to victory with LG OLED TV. With a low input lag and fast 1ms response time, get ready to play in full-force with reduced blurring and added clarity.
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HGiG ProfileMore immersive HDR gamingHGiG delivers HDR gaming graphics best matched with theperformance levels of your TV. With LG OLED, play from a wide selection ofgames with the confidence in a TV that will show every game at its absolutebest.
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Eye Comfort DisplayWatch more with easy viewingBinge watch with less blue light and easier viewing. LG OLED TVs surpass standards for blue light, flicker, and high-quality imaging.
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Realistic Sports ExperienceSELF-LIT pixels bring your sofa to the stadium.
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Sports AlertNever miss updates on your favourite team.Catch every moment of your favourite team with LG Sports Alert. The Sports Alert feature gives you real time alerts on your favourite sports news (e.g. results, goals) whilst watching something else so you won’t miss out and can fully relax whilst watching other content.
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OLED MotionSELF-LIT pixels accurately display every detail from the action.Only LG OLED SELF-LIT pixel technology prevents you from missing out on any detail of the action. In contrast to LED TV technology that uses backlights, LG OLED technology brings an impeccable viewing experience with smooth action display to fast-moving sports, all thanks to the new OLED Motion Pro and TruMotion features for additional image accuracy and precision.
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Bluetooth Surround ReadyReal surround sound for an immersive experience.With Bluetooth Surround Ready, you’re fully immersed in a three-dimensional stadium atmosphere. All you have to do is simply connect two compatible Bluetooth speakers of the same model to your LG OLED TV.
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Ultimate Luxury ExperienceSELF-LIT pixels enable state-of-the-art designs.

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Find out more about LG OLED reliability
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Display Type8K OLEDScreen Size (in.)77
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Resolution7680 x 4320Viewing AnglePerfect Viewing Angle
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Wide Colour GamutPerfect ColourBillion Rich ColoursYes
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Perfect BlackPerfect BlackDimmingPixel Dimming
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Ultra LuminanceUltra Luminance Pro
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Picture Master Processorα9 Gen3 AI Processor 8KDeep Learning AI PictureAI Picture Pro
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Face EnhancingAI Picture Pro – Face EnhancingAI UpscalingAI 8K Upscaling
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Auto Genre SelectionYes (SDR/HDR/Dolby HDR)Image EnhancingImage Enhancing on SQM
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AI BrightnessYesHDRCinema HDR
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Dolby Vision IQYes (4K/2K)HDR10 ProYes (4K/2K)
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HLGYes (4K/2K)FILMMAKER MODE™Yes
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HDR EffectYes (4K/2K)Dynamic Tone MappingHDR Dynamic Tone Mapping Pro
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4K HFRYes2K HFRYes
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Motion ProOLED MotionUpscaler8K Upscaler
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HEVC8K@60p, 10bit
4K@120p, 10bitVP9Web Browser : 8K@60p, 10bit
CP : 4K@60p, 10bit -
AV18K@60p, 10bit
4K@60p, 10bitG-Sync CompatibleYes (2K/4K) -
FreeSyncTMYesHGIG ModeYes
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Instant Game ResponseYes (VRR/ALLM)Picture ModeYes, 10 modes (Vivid, Standard, Eco, Cinema, Sports, Game, HDR Effect, Filmmaker, (ISF) Expert (Bright Room), (ISF) Expert (Dark Room))
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Output60W (20W, 10W per Channel)Channel4.2 ch
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DirectionDown FiringSimultaneous Audio OutputYes
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Dolby AtmosYesAI SoundAI Sound Pro
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AI Acoustic TuningYesSurround ModeOLED Surround
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Clear VoiceClear Voice IVBluetooth Surround ReadyYes
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WiSA SpeakersYesLG Sound SyncYes
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Auto NotificationYes (Bluetooth easy paring)Sound ShareYes
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Audio CodecAC4, AC3 (Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X
(Refer to manual)
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LG AI ThinQYesIntelligent Voice RecognitionYes
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Speech to TextYesLG Voice SearchYes
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Google AssistantYes – This feature is not available in Republic of Ireland.Amazon Alexa CompatibleYes
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AI UXYesAI HomeYes
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AI RecommendationYesIntelligent EditYes
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Home DashboardYesAuto Device DetectionYes
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Smart Speaker CompatibleYesGoogle Home CompatibleYes
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Amazon Echo CompatibleYesLG Smart SpeakerYes
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Mobile ConnectivityYesThinQ AppYes
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Hands-free Voice ControlYes
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Operating System (OS)webOS Smart TVNumber of CPUsQuad
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Magic Remote ControlBuilt-InQuick AccessYes
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Universal ControlYes360° VR PlayYes
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Related Content SearchYesAudio Guidance(Text To Speech)Yes
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GalleryYesLG Content StoreYes
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DIALYesWeb BrowserYes
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Music PlayerYesMobile TV OnYes
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Wi-Fi TV OnYesBluetooth Low Energy OnYes
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Network File BrowserYesBlock access to harmful siteYes
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Live Plus (ACR-based Bilateral Service)Yes, webOS5.0Sports AlertYes
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Music DiscoveryYes
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Auto CalibrationYesOSD Language37 Languages
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Time Machine (DVR)YesDigital RecordingYes
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Time ShiftYesWatch & RecordYes
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Slim Bracket CompatibleYes
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Digital TV Reception(Terrestrial,Cable,Satellite)YesTerrestrialDVB-T2/T
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CableDVB-CSatelliteDVB-S2/S
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Analog TV ReceptionYesMulti TunerTwin Tuner
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Data Broadcasting (Country Spec)HbbTVCI + (Common Interface)CI+1.4
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Teletext PageYes (2000 page)Teletext (Top/Flof/List)Yes (Flof)
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SubtitleYesAudio DescriptionYes
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EPG (8days)Yes
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Screen ShareYesHDMI4 (Bottom) (HDMI 2.1)
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Simplink (HDMI CEC)YeseARC / ARC (Audio Return Channel)eARC (HDMI 2)
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USB3 (Side)LANYes (Bottom)
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CI SlotYes (Side)RF In3 (Bottom, RF/Sat)
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SPDIF (Optical Digital Audio Out)Yes (Bottom)Headphone outYes (Bottom)
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Line outYes (Bottom, headphone out common)IR BlasterYes
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WifiYes (802.11ac)BluetoothYes (V5.0)
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Power SupplyAC 100~240V 50-60HzEnergy Efficiency Class (A++ to E scale)B
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Standby Power ConsumptionUnder 0.5WEnergy Saving ModeYes
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Illuminance Green sensorYes
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Size W/O Carton, W/O Stand1717 x 984 x 32.2Size W/O Carton, With Stand1717 x 1044 x 323
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Size W/ Carton, With Stand1895 x 1130 x 228Stand (W x D)1531 x 323
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VESA400 x 400EAN Code8806098681631
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Weight (TV)42.6Weight (TV + Stand)43.4
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Weight (W/Carton)56.4
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RemotePM20BattereisYes (AA x 2EA)
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IR Blaster CableYesPower CableYes (TV Attached)
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TV StandYes (included)Wall MountYes (included)