77" LG OLED77B3 B3 Series 4K UHD Smart OLED TV with ThinQ AI
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Key Features

  • Self-lit OLED 4K provide perfect black and infinite contrast
  • Enjoy outstanding picture powered by the a7 AI Processor Gen6
  • Smart TV with Magic Remote and over 300 free channels of entertainment
  • Home Cinema Experience with Dolby Vision, Dolby Atmos and FILMMAKER MODE
  • Ultimate Gaming (G-SYNC compatible, FreeSync Premium, VRR. 4K @ Native 120Hz)
  • AI Sound Pro with Virtual 5.1.2 audio

10 Years Later, Our Best Keeps Getting Better

Were celebrating a decade of brilliance that shows no sign of stopping. LG OLEDs iconic self-lit pixels shine brighter than before.


Beautiful Picture, Powered by Intelligence

Enjoy outstanding picture powered by the 7 AI Processor 4K Gen6. Experience everything from movies to sports in vibrant color and incredible depth for an immersive viewing experience.


Perfect Black, Infinite Contrast, Smooth Motion

LG OLED has over 8.3 million self-lit pixels that turn on and off individually for perfect black and incredible colors, with contrast you can't get from anywhere else but OLED. Take in the action with a native 120Hz refresh rate for smooth, lifelike movement whether you love sports, movies, games or all of the above.


Movie Theater Sound at Home with Dolby Atmos

Surround yourself with audio that moves you with Dolby Atmos, a revolutionary spatial sound technology for an extraordinarily immersive experience.


Smart TV, Simplified

Less searching, more streaming, thanks to the next generation of ThinQ AI and webOS. Enjoy your favorite content, including fitness, sports, entertainment and more. With Quick Cards, group your favorite apps into categories and use the Magic Remote to easily find what you're looking for.


Streaming Starts Here (300+ Free LG Channels)

Instant access to over 300+ free LG channels, with everything from comedy to movies to sports.


A New Standard of "Movie Magic"

Experience the magic of the big screen right from your couch. Every LG OLED comes loaded with Dolby Vision for extraordinary color, contrast and brightness. Land in the center of the action with LG's FILMMAKER MODE, allowing you to see films just as the director intended.


Up Your Game

Make it the best gaming experience with LG Game Optimizer and Game Dashboard by quickly adjusting all your game settings in one location.


Console-Like Cloud Gaming

With the seamless addition of GeForce Now, there's a whole cloud of games waiting for you to play. Rediscover games you love, and find new favorites straight from your television.


Sleek and Streamlined

Now, you won't want to hide your television. With an unbelievably slim design, it fits seamlessly into your space.


Bigger Is Always Better

Experience the big screen right from your couch with an LG TV.


Immersion with AI Sound

The 7 AI Processor 4K Gen6 enables AI Sound Pro so you can feel the action all around you as it automatically up-mixes 2 channel audio into virtual 5.1.2 channel sound for an immersive audio experience. Upgrade your listening experience even further by pairing your TV with an LG sound bar.

Display Type4K OLED
Resolution4K Ultra HD (3,840 x 2,160)
Perfect BlackYes
Intense Color (Wide Color Gamut)OLED Color
Color Fidelity 100%Yes
100% Color AccuracyYes
Backlight Dimming TechnologyPixel Dimming
Dynamic Tone MappingYes (Dynamic Tone Mapping)
Filmmaker ModeYes
Next PicksYes
Dolby Vision IQYes
Refresh Rate120Hz Native
Picture Processorα5 AI Processor Gen6
AI PictureAI Picture Pro
Resolution UpscalerAI Super Upscaling 4K
HDR (High Dynamic Range)Dolby Vision / HDR10 / HLG
MotionOLED Motion
Game OptimizerYes (Game Dashboard)
G-SYNC CompatibleYes
VRR (Variable Refresh Rate)Yes
ALLM (Auto Low Latency Mode)Yes
Response Time<1 ms
Cloud GamingNVIDIA Geforce Now, Utomik
Operating SystemwebOS 23
LG ThinQ AIYes
Intelligent Voice RecognitionYes
Magic Remote ControlBuilt-In
Amazon Alexa CompatibleYes (Built-in)
Google Home CompatibleYes
"Works With"Amazon Alexa, Hey Google, Apple Home, Apple Airplay2
LG Content Store (App Store)Yes (App)
Full Web BrowserYes
LG ChannelsYes
Sports AlertYes
Content PartnersNetflix, HBO Max, Prime Video, Disney+, Apple TV, Hulu, Paramount+, Peacock, Youtube TV, Spotify, iHeartRadio and more
Smart TV
Home HubYes
Art GalleryYes
Multi ViewYes
Room to Room ShareYes (Receiver)
USB Camera CompatibleYes
Home OfficeYes
Game ServiceYes
Music ServiceYes
AI ConciergeYes
Speaker System2.0 Channel
Output Power20W
Speaker DirectionDown Firing
Dolby AtmosYes
AI Sound Pro / AI SoundAI Sound Pro (Virtual 5.1.2 Up-mix)
DTS DecoderYes
Clear Voice ProYes
WiSA ReadyYes (Up to 2.1 Channel)
Audio CodecAC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (refer to manual)
LG Sound SyncYes
TV Sound Mode ShareYes
Bluetooth Surround ReadyYes (2 Way Playback)
Wi-FiWi-Fi Certified (Wi-Fi 5)
BluetoothYes (v 5.0)
IP ControlYes
HDMI-CEC (Simplink)Yes
TV TunerATSC, Clear QAM
Smart Phone ConnectivityYes (LG ThinQ)
HDMI4ea (supports 4K 120Hz, eARC, VRR, ALLM, QMS as specified in HDMI 2.1 (2 port))
HDMI Audio Return Channel (ARC)eARC (HDMI 3)
USB2ea (v 2.0)
RF Connection Input (Antenna/Cable)1ea
RS-232C Input (Mini Jack)Yes
SPDIF out1ea
Power Supply (Voltage, Hz)AC 120V, 50/60Hz
Standby Power ConsumptionUnder 0.5
Power Consumption146
Annual Power Consumption269
Dimensions with stand(WxHxD)67.8 X 41.1 X 10.6" / 1722.12 x 1043.94 x 269.24 mm
Dimensions without stand(WxHxD)67.8 X 39.1 X 2.2" / 1722.12 x 993.14 x 55.88 mm
Shipping Dimensions(WxHxD)74 X 44.5 X 11.2" / 1879.6 x 1130.3 x 284.48 mm
Stand Width29.5"
Weight with stand66.1 lbs
Weight without stand58.9 lbs
Shipping Weight94.4 lbs
VESA Mounting (W x H)400 x 200
RemoteMagic Remote
Remote Control BatteryYes (AA x 2EA)
Power CableYes (Attached)
Quick Start GuideYes
Limited Warranty1 Year Parts & Labor
Country of OriginMexico
Diagonal Size76.7"
TV ColorBlack
Stand ColorLight Black