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55UN731C component-copyModelName

55'' LG UHD 4K TV UN73 Series, 4K Active HDR WebOS Smart AI ThinQ

LG 55'' LG UHD 4K TV UN73 Series, 4K Active HDR WebOS Smart AI ThinQ, play video, 55UN731C, thumbnail 1

LG 55'' LG UHD 4K TV UN73 Series, 4K Active HDR WebOS Smart AI ThinQ, 50UN731C-front view with infill, 55UN731C, thumbnail 1

LG 55'' LG UHD 4K TV UN73 Series, 4K Active HDR WebOS Smart AI ThinQ, 50UN731C-front view, 55UN731C, thumbnail 2

LG 55'' LG UHD 4K TV UN73 Series, 4K Active HDR WebOS Smart AI ThinQ, 55UN731C- -15 degree right side view, 55UN731C, thumbnail 3

LG 55'' LG UHD 4K TV UN73 Series, 4K Active HDR WebOS Smart AI ThinQ, 55UN731C-side view, 55UN731C, thumbnail 4

LG 55'' LG UHD 4K TV UN73 Series, 4K Active HDR WebOS Smart AI ThinQ, 55UN731C-rear view, 55UN731C, thumbnail 5

LG 55'' LG UHD 4K TV UN73 Series, 4K Active HDR WebOS Smart AI ThinQ, 55UN731C-stand view, 55UN731C, thumbnail 6

LG 55'' LG UHD 4K TV UN73 Series, 4K Active HDR WebOS Smart AI ThinQ, 55UN731C-top view, 55UN731C, thumbnail 7

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55UN731C component-copyModelName

55'' LG UHD 4K TV UN73 Series, 4K Active HDR WebOS Smart AI ThinQ

Key Features

Quad Core Processor 4K
AI ThinQ
True Cinema Experience
Ultra Surround
Low Input Lag
webOS

The 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 colour 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.

Quad Core Processor 4K

Enhance What You Watch

The processor removes video noise and creates more vibrant colour 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.

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.

*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.
*Supported service availability may vary by country.
*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.

True Cinema Experience

Bring Theatre Home

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.

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 are simulated.

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 are simulated.
*The actual product may differ from image shown.

Three app logos shown from left to right: Apple TV, Netflix and LG Channels.

Unlimited Entertainment

Endless Content, Endless Enjoyment

Access the Apple TV app, Netflix, and LG Channels. 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 availability may vary by country.

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.

HGiG profile for HDR Gaming

Immerse Yourself in the Game

HGiG recognises tv performance and picture quality then tunes HDR graphics to provide a realistic HDR gaming experience.

*Screen images simulated.

Close up view of player holding a racing wheel playing a racing game on a TV screen.

Low Input Lag

Take Control of Your Gaming

LG UHD TV’s let users take control of their games with minimal delay.

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

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 Available : LG PK7/7W/5/5W, PL7/5, PN7/5, RM2, RN9/7/5, ON9/7/5.
*The actual product may differ from image shown.

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*. The newly added voice control feature allows you to control your home appliances with your voice.

*Content available on the Launcher Bar may vary by region.

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

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.

PDF SPEC SHEET

DISPLAY

Screen Size

55"

Resolution

3,840 × 2,160
IPS Panel

Yes

Wide Viewing Angle

Yes
BLU Type

Direct

VIDEO(PICTURE QUALITY)

Processor

Quad Core Processor 4K

Image Enhancing

Image Enhancing
HDR / HDR10 Pro / HLG

Active HDR / Yes (4K / 2K) / 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
Picture Mode

10 Modes (Vivid, Standard, Eco, Cinema, Sports, Game, HDR Effect, Filmmaker, (ISF) Expert (Bright Room, Dark Room))

AUDIO

Sound Output

20 W (10 W per Channel)

Channel

2.0 ch
Direction

Down Firing

Surround Mode

Ultra Surround
Bluetooth Surround Ready

Yes (Bluetooth Required)

LG Sound Sync

Yes (Bluetooth Required)
Auto Notification (Bluetooth Easy Pairing)

Yes (Bluetooth Required)

Sound Share

Yes

BROADCASTING SYSTEM

Digital TV Reception (Terrestrial, Cable, Satellite)

DVB-T2

Analog TV Reception

Yes

AI FUNCTION

AI Function

ThinQ, Intelligent Voice Recognition, Speech to Text, LG Voice Search, Google Assistant, Amazon Alexa, AI UX, AI Home, AI Recommendation, Intelligent Edit, Home Dashboard, Auto Device Detection, Smart Speaker Compatible, Google Home Connection, Amazon Echo Connection, LG ThinQ Hub Device, LG Smart Speaker (WK7, WK9), Mobile Connectivity, ThinQ App

SMART FEATURE

Smart Feature

webOS Smart TV, Number of CPUs (Quad,) Magic Remote Control (Built-In), Quick Access, Universal Control, 360° VR Play, Related Content Search, LG Store, DIAL, Web Browser, Music Player, TV On with Mobile, Wi-Fi TV On, Bluetooth Low Energy On, Network File Browser, Block Access to Harmful Site, Live Plus (ACR-based Bilateral Service (webOS5.0 : Australia (Asia))), Hotel Mode, Sports Alert, Music Discovery

CONNECTIVITY

Connectivity

Screen Share, HDMI 2.0 (1 Rear / 2 Side), Simplink (HDMI CEC), ARC (HDMI 2), USB (1 Rear / 1 Side), LAN (Rear), Component (Rear, Component In / AV in Common), Composite In (AV (Rear, Component In / AV in Common)), RF In (RF), SPDIF (Optical Digital Audio Out (Rear)), Wi-Fi (802.11 ac), Bluetooth (V 5.0)

DIMENSION

W x H x D / Weight (with Stand)

1244 x 786 x 231mm / 14.5Kg

W × H × D / Weight (without Stand)

1244 x 726 x 87mm / 4.3Kg
W × H × D / Weight (Shipping)

1360 x 835 x 175mm / 19.5Kg