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LG UHD 4K TV 55 Inch UN73 Series, 4K Active HDR WebOS Smart AI ThinQ
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LG UHD 4K TV 55 Inch UN73 Series, 4K Active HDR WebOS Smart AI ThinQ
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A panoramic view of the soccer stadium filled with spectators shown inside a TV frame. A panoramic view of the soccer stadium filled with spectators shown inside a TV frame.

The Real 4K TV for all your entertainment needs

LG UHD TV was made to entertain by taking everything you watch to a new level. Whether it's cinema, sports, or games, it delivers real 4K images with vivid color and fine detail. Enjoy more realistic images in four times the resolution of Full HD.
*The actual product may differ from image shown.
Noise reduction, dynamic color, and upscaling icons and a TV screen showing a scenic shot of mountains, forest, and a lake. Noise reduction, dynamic color, and upscaling icons and a TV screen showing a scenic shot of mountains, forest, and a lake.
Quad Core Processor 4K

Enhance everything you watch

The processor removes video noise and creates more vibrant color and contrast. Low resolution images are upscaled and reproduced at close to 4K quality.
A men and women sitting on a sofa in the living room with the Home Dashboard on the TV screen. A men and women sitting on a sofa in the living room with the Home Dashboard on the TV screen.
AI ThinQ

Your central hub of convenience

Intelligent LG AI ThinQ makes life all the more convenient. *Natural voice recognition allows you to command and control your Home IoT ecosystem.
LEARN MORE
*Natural voice recognition is available in English, Korean, German, French, Italian, Spanish, Portuguese, Russian, Polish, Turkish, Japanese, Arabic, Vietnamese, Thai, Swedish, Indonesian, Danish, Dutch, Taiwanese, and Norwegian.
*Dutch and Norwegian will be available in the second half of 2020.
*Supported service may differ by country.
*The actual product may differ from image shown.
*The feature name on the settings may vary among TV OS versions.
A TV screen showing a scene from a fantasy movie with a woman standing in the fields facing the mountains. A TV screen showing a scene from a fantasy movie with a woman standing in the fields facing the mountains.
True Cinema Experience

Bring theater home

A man is sitting on a couch watching an action movie. The girl on the TV has a fully drawn bow and arrow. A man is sitting on a couch watching an action movie. The girl on the TV has a fully drawn bow and arrow.
FILMMAKER MODE™

Watch content as the creator intended

The processor automatically turns off motion smoothing for the full motion picture effect. Watch films and other content with the creative intent and cinematic experience preserved.
*FILMMAKER MODE™ logo is a trademark of UHD Aliance, Inc.
*The actual product may differ from image shown.
A couple in a car driving down a road. Half is shown on a conventional screen shown with poor picture quality. The other half shown with crisp, vivid LG UHD TV picture quality. A couple in a car driving down a road. Half is shown on a conventional screen shown with poor picture quality. The other half shown with crisp, vivid LG UHD TV picture quality.
HDR 10 Pro & HLG Pro

Enjoy content in lifelike high definition

LG UHD TVs provide optimal HDR picture quality with the support of major HDR formats including HDR 10 Pro and HLG Pro.
*Screen images simulated.
Family of seven gathered in the living room, watching a movie. TV screen shows a band performing. Family of seven gathered in the living room, watching a movie. TV screen shows a band performing.
Ultra Surround

Dive into the art of sound

Multiple virtual audio channels create a more immersive sound experience. Enjoy subtle dialogue and sophisticated sound as if you were in the scene itself.
*Screen images simulated.
*The actual product may differ from image shown.
Four app logos shown from left to right: Apple TV Netflix. Four app logos shown from left to right: Apple TV Netflix.
Unlimited Entertainment

Endless content. Endless enjoyment

Access the Apple TV app, Netflix. Choose from the latest movies, TV shows, documentaries, and live sports, and find them all in one place.
*Apple, the Apple logo, and Apple TV are trademarks of Apple Inc, registered in the U.S. and other countries. Apple TV+ is a trademark of Apple Inc.
*Supported service may differ by country.
TV showing a scene from a shooting game where the player is overpowered by aliens with guns. TV showing a scene from a shooting game where the player is overpowered by aliens with guns.
Realistic Gaming Experience

Win the game with LG UHD TV

TV screen showing a game scene with the man standing in the middle of a forest. Half is shown on a conventional screen with poor picture quality. Other half is shown on LG UHD TV screen with crisp, vivid picture quality. TV screen showing a game scene with the man standing in the middle of a forest. Half is shown on a conventional screen with poor picture quality. Other half is shown on LG UHD TV screen with crisp, vivid picture quality.
HGiG profile for HDR Gaming

Immerse yourself in the game

HGiG recognizes tv performance and picture quality then tunes HDR graphics to provide the ultimate HDR gaming experience.
*Screen images simulated.
Close up view of player holding a racing wheel playing a racing game on a TV screen. Close up view of player holding a racing wheel playing a racing game on a TV screen.
Low Input Lag

Take complete control without delays

LG UHD TVs allow users to take full and instant control of games without any delays.
TV screen showing a stadium with a view of the running track up close. Stadium is filled with spectators. TV screen showing a stadium with a view of the running track up close. Stadium is filled with spectators.
Thrilling Sports Experience

Feel the stadium atmosphere

A picture of players playing on a football field shown at views. One shown on a conventional screen and one on an UHD TV. A picture of players playing on a football field shown at views. One shown on a conventional screen and one on an UHD TV.
Wide Viewing Angle

Lifelike color from any angle

Watch your favorite teams play on a display with spectacularly realistic colors, no matter where you sit.
*Screen images simulated.
People watching sports game on TV in the living room with Bluetooth rear speakers. People watching sports game on TV in the living room with Bluetooth rear speakers.
Bluetooth Surround Ready

Big sound for the big game

Create a surround sound effect by connecting any two Bluetooth speakers to your LG UHD TV. Be more immersed in the game and feel the live atmosphere.
*Connection with LG speakers is available now. Compatibility with other brand speakers will be available in early 2020 after a software update.
*The actual product may differ from image shown.
TV showing a animated cartoon character and Sports alert at the bottom of the screen. TV showing a animated cartoon character and Sports alert at the bottom of the screen.
Sports Alert

Never miss a shot

Sports Alert notifies you before, during, and after games. Don't worry about missing the big plays, even when you're watching something else.
*Supported service may differ by country.
TV standing on a white stand against a white wall. TV screen shows home screen with webOS. TV standing on a white stand against a white wall. TV screen shows home screen with webOS.

Live smarter with the new webOS

Enjoy more content through streaming services including Netflix, YouTube, Disney+ and more. And the newly added voice control feature allows you to control your home appliances with your voice.
*Launcher Bar may differ by region.
*The actual product may differ from image shown.
LG UHD TV, located on the wall in a living room with the minimal interior. Image of a flower is shown on the TV screen. LG UHD TV, located on the wall in a living room with the minimal interior. Image of a flower is shown on the TV screen.

Designed for your space and entertainment

The slim bezels and sleek modern lines of LG UHD TVs add a premium design aesthetic to your space and enhance your viewing experience.
*The actual product may differ from image shown.
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DISPLAY
  • Display Type
    4K UHD
    Screen Size
    55
  • Resolution
    3840 x 2160
    BLU Type
    Direct
  • TruMotion / Refresh Rate
    50Hz
VIDEO(PICTURE QUALITY)
  • Processor
    Quad Core Processor 4K
    Image Enhancing
    Image Enhancing
  • HDR
    Active HDR
    HDR10 Pro
    Yes/Yes/Yes/Yes (4K/2K)
  • HLG
    Yes/Yes/Yes/Yes (4K/2K)
    FILMMAKER MODE™
    Yes
  • HDR Effect
    Yes (4K/2K)
    Dynamic Tone Mapping / Pro
    HDR Dynamic Tone Mapping
  • Dimming Algorithm
    LG Local Contrast
    Upscaler
    4K Upscaler
  • HEVC (Video Decoder)
    4K@60P, 10bit
    VP9 (Video Decoder)
    4K@60P, 10bit
  • AV1
    4K@60p, 10bit
    HGIG Mode
    MR
  • Instant Game Response (VRR/ALLM)
    Yes
    Picture Mode
    Yes 10 modes
    (Vivid, Standard, Eco, Cinema, Sports, Game, HDR Effect, Filmmaker, (ISF)Expert(Bright Room), (ISF)Expert(Dark Room))
AUDIO
  • Speaker (Sound Output)
    20W (10W per Channel)
    Channel
    2.0ch
  • Direction
    Down Firing
    Simultaneous Audio Output
    Yes
    (Optical Output or HP Support Model)
  • AI Sound / Pro
    AI Sound
    AI Acoustic Tuning
    Yes
  • Surround Mode
    ULTRA Surround
    Clear Voice
    Clear Voice III
  • Bluetooth Surround Ready
    Yes
    LG Sound Sync
    Yes
  • Auto Notification (Bluetooth easy paring)
    Yes
    Sound Share
    Yes
  • Audio Codec
    AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X
    (Refer to manual)
AI FUNCTION
  • ThinQ
    Yes
    Intelligent Voice Recognition
    Yes
  • Speech to Text
    Yes
    LG Voice Search
    Yes
  • AI UX
    Yes
    AI Home
    Yes
  • AI Recommendation/AI
    Yes
    Intelligent Edit
    Yes
  • Home Dashboard
    Yes
    Auto Device Detection
    Yes
  • Mobile Connectivity
    Yes
    ThinQ App
    Yes
CONNECTIVITY
  • Screen Share
    Yes
    HDMI
    1 (Rear)/2 (Side)
  • Version
    HDMI 2.0
    Simplink (HDMI CEC)
    Yes
  • eARC / ARC (Audio Return Channel)
    ARC (HDMI 2)
    USB
    1 (Rear)/1 (Side)
  • LAN
    Yes (Rear)
    Component
    Yes (Rear, Component in/AV in common)
  • Composite In (AV)
    Yes (Rear, Component in/AV in common)
    CI Slot
    Yes (Side)
  • A-CAS
    Yes (Side)
    RF IN
    2 (Rear, RF/Sat)
  • SPDIF (Optical Digital Audio Out)
    Yes (Rear)
    Wifi
    Yes (802.11ac)
  • Bluetooth
    Yes (V5.0)
SMART FUNCTION
  • Operating System (OS)
    webOS Smart TV
    Number of CPUs
    Quad
  • Magic Remote Control
    Built-In
    Quick Access
    Yes
  • Universal Control
    Yes
    360° VR Play
    Yes
  • Related Content Search
    Yes
    LG Store
    Yes
  • DIAL
    Yes
    Web Browser
    Yes
  • Music Player
    Yes
    TV On With Mobile
    Yes
  • Wi-Fi TV On
    Yes
    Bluetooth Low Energy On
    Yes
  • Network File Browser
    Yes
    Block access to harmful site
    Yes
  • Hotel Mode
    Yes
    Sports Alert
    Yes
  • Music Discovery
    Yes
BROADCASTING SYSTEM
  • Digital TV Reception(Terrestrial,Cable,Satellite)
    Yes
    Terrestrial
    DVB-T2
  • Cable
    DVB-C
    Satellite
    DVB-S2
  • Analog TV Reception
    Yes
    Teletext Page
    Yes
  • Teletext (Top/Flof/List)
    Yes
    [DVB] Subtitle
    Yes
  • AD (Audio Description)
    Yes
    EPG (8days)
    Yes
POWER & GREEN
  • Power Supply
    AC 100~240V 50-60Hz
    Standby Power Consumption
    Under 0.5W
  • Energy saving Mode
    Yes
    Illuminance Green sensor
    Yes
  • Energy Standard
    Yes
ACCESSORY
  • Remote
    MR20
    Battereis
    Yes (AA x 2EA)
  • Power Cable
    Yes (TV Detached)
ADDITIONAL FEATURE
  • Time Machine (DVR)
    Yes
    Digital Recording
    Yes
  • Analog DVR
    Yes
    Time Shift
    Yes
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The CES Innovation Awards are based upon descriptive materials submitted to the judges. CTA did not verify the accuracy of any submission or of any claims made and did not test the item to which the award was given.
Watch your favourite television shows, movies and live sport in new levels of detail and depth with LG 4K TVs including OLED, NanoCell and Ultra HD. Expand your horizons with hour upon hour of online content streamed directly to your TV. Take control via voice, with AI ThinQ technology and Google Assistant and Alexa compatibility. Explore NanoCell TVs, OLED TVs, and Ultra HD TVs today.