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LG, UHD 4K TV, 55 inch UR78 series, WebOS Smart AI ThinQ, Magic Remote, 3 side cinema, HDR10, HLG, AI Sound (5.1ch), 2 Pole stand, 2023 New
*The images used in the product overview below are for representative purposes.
*Refer to the image gallery at the top of the page for an accurate representation.
*HDR10 Pro is not a format LG's own Dynamic Tone Mapping applied frame by frame for HDR10 content.
Boost your viewing experience
*86"UR78 feature α7 AI Processor 4K Gen6.
*Image quality of upscaled content will vary based on the source resolution.
The Perfect Fit for Full Sound
*This feature is only supported on 2023 TV models. Support varies by model.
*Feature support varies by LG Soundbar model.
Tailored to Your Liking
*Service availability may differ by region or country.
*Separate subscriptions required for OTT services.
My Profile
*Reduced or limited content may be shown depending on region and network connectivity.
*An unlimited number of profiles can be created however the homescreen will only display up to 10 profiles.
Quick Card
AI Concierge
A man's face is displayed on the TV screen, and recommended keywords are displayed nearby.
*Service Availability may vary depending on region and series.
*'For you keyword' can only be provided in countries that support NLP in their native language.
Smart Assistant & Connectivity
The logo of alexa built-in The logo of works with Apple AirPlay The logo of works with Apple Home The logo of works with Matter
*'Matter’ supported services and features may vary depending on the connected devices. Initial Connection for ThinQ and Matter should be via ThinQ mobile app.
*Apple, the Apple logo, Apple TV, AirPlay, and HomeKit are trademarks of Apple Inc., registered in the U.S. and other countries.
*Supported menus and apps may vary by country.
*Voice Command availability may vary by product and country.
*Menus displayed may be different upon release.
*Support for AirPlay 2 and HomeKit may vary by region.
*Netflix streaming membership required.
*Apple, the Apple logo, and Apple TV are trademarks of Apple Inc, registered in the U.S. and other countries.
*Apple TV+ and/or select content may not be available in all regions.
*Apple TV+ requires a subscription.
*Amazon, Prime Video and all related logos are trademarks of Amazon.com, Inc. or its affiliates. Amazon Prime membership and/or Prime Video fees apply. See primevideo.com/terms for details.
*Supported services may differ by country.
Game Optimizer & Dashboard
HGiG
*Availability of software updates may vary depending on model and region.
*Items in the Game Optimizer menu may vary by series.
*HGiG is a volunteer group of companies from the game and TV display industries that meet to specify and make available for the public guidelines to improve consumer gaming experiences in HDR.
*Content on box may vary by model or country.
Gallery
Key Specs
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Display Type
4K UHD
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Refresh Rate
60Hz Native
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Picture Processor
α5 AI Processor 4K Gen6
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HDR (High Dynamic Range)
HDR10 / HLG
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Audio Output
20W
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Speaker System
2.0 channel
All Spec
PICTURE (DISPLAY)
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Display Type
4K UHD
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Display Resolution
4K Ultra HD (3,840 x 2,160)
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Backlight Type
Direct
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Refresh Rate
60Hz Native
PICTURE (PROCESSING)
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Picture Processor
α5 AI Processor 4K Gen6
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AI Upscaling
4K Upscaling
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Dynamic Tone Mapping
Yes
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AI Brightness Control
Yes
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HDR (High Dynamic Range)
HDR10 / HLG
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FILMMAKER MODE™
Yes
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Picture Mode
9 modes (Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, (ISF)Expert(Bright Room), (ISF)Expert(Dark Room))
GAMING
-
HGIG Mode
Yes
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Game Optimizer
Yes (Game Dashboard)
-
ALLM (Auto Low Latency Mode)
Yes
ACCESSIBILITY
-
High Contrast
Yes
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Gray Scale
Yes
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Invert Colors
Yes
AUDIO
-
AI Sound
AI Sound (Virtual 5.1 Up-mix)
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Clear Voice Pro
Yes
-
LG Sound Sync
Yes
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Sound Mode Share
Yes
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Simultaneous Audio Output
Yes
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Bluetooth Surround Ready
Yes (2 Way Playback)
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Audio Output
20W
-
Speaker System
2.0 channel
-
Audio Codec
AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to manual)
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AI Acoustic Tuning
Yes
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Speaker Direction
Down Firing
CONNECTIVITY
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HDMI Audio Return Channel
eARC (HDMI 2)
-
Bluetooth Support
Yes (v 5.0)
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Ethernet Input
1ea
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Simplink (HDMI CEC)
Yes
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SPDIF (Optical Digital Audio Out)
1ea
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HDMI Input
3ea (supports eARC, ALLM as specified in HDMI 2.1)
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RF Input (Antenna/Cable)
2ea
-
USB Input
2ea (v 2.0)
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Wi-Fi
Yes (Wi-Fi 5)
SMART TV
-
Sports Alert
Yes
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Operating System (OS)
webOS 23
-
ThinQ
Yes
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Family Settings
Yes
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USB Camera Compatible
Yes
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Smartphone Remote App
Yes (LG ThinQ)
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Intelligent Voice Recognition
Yes (Arabic/Turkiyish)
-
Magic Remote Control
Built-In
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Room to Room Share
Yes (Receiver)
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Full Web Browser
Yes
POWER
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Power Supply (Voltage, Hz)
AC 100~240V 50-60Hz
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Standby Power Consumption
Under 0.5W
ACCESSORIES INCLUDED
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Remote
Magic Remote
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Remote Control Batteries
Yes (AA x 2EA)
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Power Cable
Yes (Detachable)
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