98 Inch LG UHD UT91 4K Smart TV 2024
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.
A vibrantly colored, square-shaped tunnel getting gradually narrower towards the back, displayed on an LG TV.
*Screen image simulated.
Super Ultra Big Screen
Experience the action in lifelike scale and detail on an ultra-big LG TV for a richer, more captivating view.
*Screen image simulated.
alpha 8 AI Processor 4K
Our alpha 8 AI Processor 4K auto-optimizes audio and picture on the biggest UHD display, for incredible scale that always looks sharp.
Two square images are shown in a horizontal row. In the first image on the left, the alpha 5 AI Processor 4K Gen7 chip is shown with yellow light emanating from underneath. The second image on the right, LG QNED89, QNED90 and QNED99 TVs are shown in order from left to right. Each TV shows a colorful splash and the words "Ultra Big TV" are shown above the TVs.
*Screen image simulated.
AI Customisation
Two square images are shown in a horizontal row. In the first image on the left, the alpha 5 AI Processor 4K Gen7 chip is shown with yellow light emanating from underneath. The second image on the right, LG QNED89, QNED90 and QNED99 TVs are shown in order from left to right. Each TV shows a colorful splash and the words "Ultra Big TV" are shown above the TVs.
AI Picture Pro
AI Super Upscaling for Ultra Big Screen
AI Super Upscaling enhances content to fit the ultra-large display perfectly and look astonishingly crisp.
*98 inches on UT90 feature AI Picture Pro and AI Super Upscaling.
**AI Picture Pro will not work with any copyright-protected content on OTT services.
***Image quality of upscaled content will vary based on the source resolution.
AI Sound Pro
LG TV as sound bubbles and waves emit from the screen and fill the space.
A man riding a motorbike on a dirt track with bright circle graphics around the motorbike.
LG TV showing musicians performing, with bright circle graphics around the space.
*Screen images simulated.
**Must be activated through the sound mode menu.
***Sound may vary according to the listening environment.
HDR10 Pro
Immerse in a realm where colours radiate more intensely and brightness is adjusted for a sharply defined picture, achieved by HDR10 Pro.
A split-screen close-up image of a man's face is shown in a purple-tinged, shadowy room. On the left, "SDR" is shown and the image is blurry. On the right, "HDR10 Pro" is shown and the image is clear and sharply defined.
*HDR10 Pro is a technology developed by LG Electronics based on the standardized picture quality of standard 'HDR10'.
Cinema Screen
Achieve edge-to-edge immersion with a sleek bezel for a wider, fuller cinematic experience.
*Screen image simulated.
**UT90 comes in a maximum of 98 inches.
A close-up of an LG TV screen showing the buttons Home Office, Game, and Music over a banner for Masters of the Air zooms out to show the TV mounted on a wall in a living room. The following logos are displayed on the TV screen in the image: LG Channels, Netflix, Prime Video, Disney TV, Apple TV, YouTube, Spotify, Twitch, GeForce Now and Udemy.
*Supported menus and apps may vary by country and be different upon release.
**Keyword recommendations vary according to the app and time of day and are only provided in countries that support NLP in their native language.
***Screen images simulated.
****The security update is supported until: 31/12/2028.
The webOS logo hovering in the center on a black background, and the space below is illuminated with the logo colors of red, orange, and yellow. The words "webOS Re:New Program" are below the logo.
Five rectangles in different colours are staggered upwards, each labeled with a year from "webOS 24" to "webOS 28". Upward-pointing arrows are between the rectangles, labeled from "Upgrade 1" to "Upgrade 4".
*The webOS Re:New Program supports a total of four upgrades over five years, the threshold is the pre-installed version of webOS, and upgrade schedule varies from month-end to year-start.
**Updates and the schedule to some features, applications, and services may vary by model and region.
***Upgrades available for 2023 include UHD and above models.
An LG TV screen shows the My Profile display. In the top third, a banner for Tangible Wonders. Below the banner, the following buttons are displayed: Home Hub, Sports, Game, Accessibility, Home Office. Below the buttons, the following logos are displayed: LG Channels, Netflix, Prime Video, Disney+, Apple TV, YouTube, Spotify, Twitch, GeForce Now, and Udemy. Below the logos, 5 movie thumbnails are displayed under the text "Top picks for you". A cursor clicks on the initial 'S' in the top left corner. An LG Account drop-down menu opens and five names are displayed. The cursor clicks the second name as thumbnails and recommended contents on screen change.
A man riding a motorbike on a dirt track with bright circle graphics around the motorbike.
An LG TV displays an image of a woman and a dog in a vast field. At the bottom of the screen, the text "Recommend new keywords every time you press the mic button on the remote control" is displayed next to a pink-purple circle graphic. Pink bars show the following keywords: Movies with dogs, Dog, Autumn, Relaxation, Friendship. In front of the LG TV, the LG Magic Remote is pointed toward the TV with neon purple concentric circles around the mic button. Next to the remote, a graphic of a finger pressing a button and the text "Short press" is displayed.
*Screen images simulated.
**Reduced or limited content may be shown depending on region and network connectivity.
***An unlimited number of profiles can be created however the home screen will only display up to 10 profiles.
****Supported features, menus, and apps above may vary by country and upon release.
*****For you keyword' in AI Concierge can only be provided in countries that support NLP in their native language.
******Keyword recommendations vary according to the app and time of day.
*******Always Ready feature is available with LG OLED M4, G4, C4, CS4, B4, QNED99, QNED90, QNED89, QNED85, and 86NANO80.
********Google Calendar service will be supported later this year.
Select your favourite images, and AI Picture Wizard creates a picture tailored exactly to your unique taste from 85 million possibilities, then saves it to your profile.
An LG Magic Remote with the middle circular button, as neon purple light emanates around the button to highlight them. A soft purple glow surrounds the remote on a black background.
*The functions and features in Magic Remote may vary by region and language.
*Screen images simulated.
**Picture and sound settings on both screens are the same.
***Support for 2 screen / 4 screen mode varies by model and country. (3&4 screen mode is available only with M4 and G4 series.)
An LG TV mounted on a wall in a living room, displaying a lion and lion cub. A man sits in the foreground with a smartphone in his hand displaying the same image of lions. A graphic of three neon red curved bars is displayed just above the smartphone pointing toward the TV.
A man riding a motorbike on a dirt track with bright circle graphics around the motorbike.
*Screen images simulated.
**Apple, the Apple logo, Apple TV, AirPlay and HomeKit are trademarks of Apple Inc., registered in the U.S. and other countries.
***Support for AirPlay 2, HomeKit, Chromecast Built-in, and may vary by region, and language.
****LG supports 'Matter' Wi-Fi devices. 'Matter' supported services and features may vary depending on the connected devices. Initial connection for ThinQ and Matter should be via ThinQ mobile app.
*****Use of the hands-free voice function without a remote control is only possible with the alpha 9 AI Processor and may vary depending on products and regions.
******Chromecast built-in service may not yet be available at the time of purchase of OLED CS4, but you will be able to enjoy the service after installing webOS software updates.
An LG TV in the foreground showing a selection of thumbnails of movies and TV shows. The text "Action Collection," "Bloomberg TV+" and "Recently watched" is in the image. The space in front of the TV is lightly illuminated as if from the TV light. Behind the TV in the dark are more thumbnails of movies and TV shows.
Six thumbnails of movies and TV shows are displayed and the logos of LG Channels, Netflix, Prime Video, Disney+, and Apple TV+ are below.
*Screen images simulated.
**Available content and apps may vary by country, product, and region.
***Separate subscription and its related entities are required for Netflix, Disney+, Amazon Prime, and Apple TV+.
****Apple, the Apple logo, and Apple TV are trademarks of Apple Inc, registered in the U.S. and other countries.
*****Amazon, Prime Video and all related logos are trademarks of Amazon.com, Inc. or its affiliates.
Optimal Match with LG Audio
*Soundbar can be purchased separately, and Soundbar Mode Control may vary by model.
**LG TV Remote usage is limited to certain features only.
***Please note that the service may not be available at the time of purchase. A network connection is required for updates.
****UHD is compatible for WOW interface.
*****98 inches on UT90 feature WOW interface and WOW Orchestra.
FILMMAKER Mode
Immerse yourself in authentic scenes on a bigger scale. FILMMAKER Mode precisely delivers movies just as the director intended.
A man in a dark editing studio looking at an LG TV displaying the sunset. On the right bottom of the image is a FILMMAKER Mode logo.
*Screen images simulated.
**FILMMAKER Mode is a trademark of UHD Alliance, Inc.
Home Cinema Experience
Movie theater ambience, recreated at home. HDR10 Pro ensures every film is presented in true glory, with exceptionally accurate colour and contrast for more immersive cinematic viewings.
A family sat on the floor of a low-lit living room by a small table, looking up at an LG TV mounted on the wall showing the Earth from space.
*HDR10 Pro is a technology developed by LG Electronics based on the standardized picture quality of standard 'HDR10'.
Powerful Gameplay
Immersive HGiG play stays smooth at high-speed with ALLM, and eARC ensures it all sounds amazing.
A car racing game on the finish line, with the sign saying 'WIN!', as the player clenches on to the game joystick. ALLM, eARC, HGiG logo are placed on the bottom left corner.
*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.
**Support for HGiG may vary by country.
Don't pause to use Game Optimizer and Game Dashboard.
A FPS gaming scene with the Game Dashboard appearing over the screen during gameplay. A dark, wintery scene with the Game Optimizer menu appearing over the game.
*Game Dashboard is activated only when both "Game Optimizer" and "Game Dashboard" is on.
**Screen images simulated.
Thousands of gaming universes right at your fingertips. Explore an epic library of cloud gaming titles and stream them immediately without ever wasting play time on downloads or updates.
A Boosteroid home screen image showing "Trine 4: The Nightmare Price". A GeForce NOW home screen showing five different game thumbnails in right.
*Supported partnerships may differ by country.
**GeForce NOW subscription may be required.
***Boosteroid subscription may be required.
Display Type
4K UHD LED
Refresh Rate
120Hz Native
Picture Processor
α8 AI Processor 4K
HDR (High Dynamic Range)
HDR10 / HLG
Audio Output
40W
Speaker System
2.2 channel
TV Dimensions without Stand (WxHxD)
2182 x 1258 x 110.4
TV Weight without Stand
61.2
Display Type
4K UHD LED
Display Resolution
4K Ultra HD (3,840 x 2,160)
Backlight Type
Direct
Refresh Rate
120Hz Native
AI Genre Selection
Yes (SDR/HDR)
Picture Processor
α8 AI Processor 4K
HDR (High Dynamic Range)
HDR10 / HLG
AI Upscaling
α8 AI Super Upscaling 4K
FILMMAKER MODE™
Yes
Dynamic Tone Mapping
Yes (Dynamic Tone Mapping Pro)
HFR (High Frame Rate)
4K 120 fps (HDMI)
Picture Mode
10 modes (Personalized Picture Wizard, Vivid, Standard, Basic, Cinema, Sports, Game, Filmmaker, (ISF)Expert(Bright Room), (ISF)Expert(Dark Room))
AI Picture Pro
Yes
Auto Calibration
Yes (except for Central Europe)
HGIG Mode
Yes
Game Optimiser
Yes (Game Dashboard)
ALLM (Auto Low Latency Mode)
Yes
VRR (Variable Refresh Rate)
Yes
Operating System (OS)
webOS 24
ThinQ
Yes
USB Camera Compatible
Yes
Works with Apple Airplay2
Yes
Family Settings
Yes
Always Ready
Yes
Amazon Alexa
Yes (Built-in)
Full Web Browser
Yes
Intelligent Voice Recognition
Yes (supported languages vary by country - Danish, Dutch, English, French, German, Greek, Italian, Norwegian, Polish, Russian, Spanish, Swedish)
LG Channels
Yes
Magic Remote Control
Built-In
Multi View
Yes
Smartphone Remote App
Yes (LG ThinQ)
The security update is supported until
31/12/2028
Works with Apple Home
Yes
WiSA Ready
Yes (Up to 2.1 Channel)
LG Sound Sync
Yes
Sound Mode Share
Yes
Simultaneous Audio Output
Yes
Bluetooth Surround Ready
Yes (2 Way Playback)
AI Sound
α8 AI Sound Pro (Virtual 9.1.2 Up-mix)
Clear Voice Pro
Yes (Auto Volume Leveling)
Audio Output
40W
AI Acoustic Tuning
Yes
Audio Codec
AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to manual)
Speaker Direction
Down Firing
Speaker System
2.2 channel
WOW Orchestra
Yes
SPDIF (Optical Digital Audio Out)
1ea
Simplink (HDMI CEC)
Yes
HDMI Audio Return Channel
eARC (HDMI 3)
Bluetooth Support
Yes (v 5.1)
Ethernet Input
1ea
HDMI Input
4ea (supports 4K 120Hz, eARC, VRR, ALLM, QMS (4 port))
CI Slot
1ea
RF Input (Antenna/Cable)
x2
USB Input
x2 (v 2.0)
Wi-Fi
Yes (Wi-Fi 5)
High Contrast
Yes
Gray Scale
Yes
Invert Colors
Yes
TV Dimensions without Stand (WxHxD)
2182 x 1258 x 110.4
Packaging Dimensions (WxHxD)
2395 x 1633 x 285
Packaging Weight (kg)
103.0
TV Dimensions with Stand (WxHxD)
2182 x 1358 x 464.6
TV Stand (WxD)
1826 x 464.6
TV Weight without Stand
61.2
TV Weight with Stand
65.1
VESA Mounting (WxH)
800 x 400
EAN Code (Barcode)
8806096169407
Power Supply (Voltage, Hz)
AC 110~240V 50-60Hz
Standby Power Consumption
Under 0.5W
Remote
Magic Remote MR24
Power Cable
Yes (Detachable)
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