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LG CX 55" 4K Smart OLED TV with AI ThinQ®
LG CX 55" 4K Smart OLED TV with AI ThinQ® 0
LG CX 55" 4K Smart OLED TV with AI ThinQ® 1
LG CX 55" 4K Smart OLED TV with AI ThinQ® 2
LG CX 55" 4K Smart OLED TV with AI ThinQ® 3
LG CX 55" 4K Smart OLED TV with AI ThinQ® 4
LG CX 55" 4K Smart OLED TV with AI ThinQ® 5
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LG CX 55" 4K Smart OLED TV with AI ThinQ®

Model #: OLED55CXPUA
LG Electronics
At a Glance
Bring home the world’s #1 selling OLED TV. Only OLED pixels emit their own light, allowing for perfect black, intense color and stunning picture. Other TVs pale in comparison. There's LG OLED, then there's everything else.
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Get to know this product.

  • Self-lighting OLED: Perfect Black, Intense Color, Infinite Contrast
  • α9 Gen 3 AI Processor 4K with AI Picture Pro & AI Sound Pro
  • Dolby Vision IQ and Dolby Atmos
  • WebOS & ThinQ AI w/ Hands-Free Voice Control
  • Gaming: G-SYNC Compatible, FreeSync*, VRR, ALLM

Self-lighting OLED - See How OLED Redefines Picture Quality

Once you’ve seen LG OLED TV with your own eyes, you'll understand. It’s stunning picture that redefines quality. Millions of OLED pixels emit their own light independently and can be completely turned off. This unveils perfect black, over a billion rich colors and infinite contrast. From the gridiron to the iron throne, no detail goes unseen.

α9 Gen3 AI Processor 4K - See More of Your Content in 4K

Just because it wasn't filmed in 4K doesn't mean you can't see it that way. Our most advanced 4K processor uses AI and deep learning to authentically upscale lower resolution content, translating the source to 4K's 8.3+ million pixels. The technology is so good, you might mistake non-4K for true 4K.

ThinQ AI - World's Most Intelligent TVs

LG ThinQ AI TVs are the only TVs with the Google Assistant and Alexa built-in*. LG ThinQ fully integrates the voice assistants you already use. No need to buy a separate device. Convenience and connected home control are at your command, making it easy to control other smart devices and LG smart products.

Dolby Vision IQ & Dolby Atmos - The Leading Name in Cinematic Sight and Sound

Dolby ups the action, driving their best-in-class HDR format to new cinematic heights. Dolby Vision IQ* automatically adjusts picture settings depending on ambient lighting conditions and content genres. Dolby Atmos® puts you in the middle of the action with multi-dimensional surround sound that seems to flow all around you.

FILMMAKER MODE™ - See a Director's Vision for Sound and Picture Settings

Film buffs can see what directors envisioned. Filmmaker Mode™ is a setting that respects the craft. It translates a director’s cinematic vision to your TV with automatic picture and processor settings and brings true authenticity.

Unlimited Entertainment - See More, Stream More with LG Channels

LG OLED TVs are bringing more entertainment options than ever. LG Channels deliver free access to over 180 IP streaming channels offering movies, shows, breaking news, sports, comedy and more — integrated alongside over-the-air channels and channel guide.

Disney+ - All Your Favorites, All in One Place

Disney+ gives you full access to stream classics, binge on new Originals, or catch the latest movies. With Disney, Pixar, Marvel, Star Wars and more - there's something for everyone.

The Apple TV App - The Home of Apple TV+ and Much More

Original shows and movies from Apple TV+. Just the premium channels you want and thousands of movies to buy or rent. It’s personalized and expertly curated, so you’ll discover the best of what’s on. And it’s all in the Apple TV app.

Who. Where. What. Search for What You See

Instantly search the names of actors, venues, and even outfits worn on your favorite shows, you can even buy them on the spot, straight from your TV.

Sports Alert Keeps You Up To Date on Your Favorite Teams

Sports fans have a new way to stay informed. Sports Alert gives updates on your favorite teams, start times, and scores — even while you're watching other content. Easily switch to games without searching for the channel. NFL, NBA, MLB, NHL, Premier League and more — it's all here.

OLED Motion Pro - Fluid Motion Puts You in the Moment

OLED Motion Pro is technology you see, but don't notice. It's our most advanced motion handling for fast movements in sports and action sequences. Kickoff returns look just as smooth at home as from 50-yard line seats, with less stuttering to slow down the big car chase.

Bluetooth Surround Ready - Connect Bluetooth® Speakers for Instant Surround Sound

Connecting LG Bluetooth speakers for wireless surround sound has never been easier. Connect up to two speakers, including LG XBoom Speakers, for a true surround sound experience – not a wire in sight.

G-SYNC Compatible - LG OLED TVs Work Seamlessly with NVIDIA G-SYNC®

Experience immersive gaming like never before. Only OLED TVs with NVIDIA G-SYNC* compatibility can provide the exceptional picture quality of perfect black and intense colors combined with smooth gameplay to take gaming to new heights.

HDMI - Smoother Gameplay for the Win

A higher frame rate, 48Gbps bandwidth, VRR, ALLM, and eARC with the latest version HDMI support. These latest features allow fast-moving content in higher resolution and smooth, synchronized graphics. It's a more lifelike gaming experience.

Low Input Lag & Fast Response Time - Don't Lag Behind the Competition

Dominate your way to victory with LG OLED TV. With a low input lag and fast 1ms response time, get ready to play in full-force with reduced blurring and added clarity. Feel truly in-game with high-speed motion and gameplay.

More Immersive HDR Gaming - Turn Up Your HDR Gaming Experience

High Dynamic Range isn't just for movies. HDR gaming drops players right into the action for a new level of immersive gaming. LG has joined some of the biggest developers and tech companies in gaming to ensure the best HDR gaming experience.

See a Work of Artistic Design

Perfect lines. Unbelievably thin bezel. Impossibly slim. Flexible by nature. LG OLED TVs are designed, crafted, and engineered to put the spotlight on your content, yet complement your home's interior even when it's turned off.

Useful Documents


Display TypeOLED
Wide Viewing AngleYes
Display Resolution4K Ultra HD (3,840 x 2,160)
Dimming TechnologyPixel Level Dimming
Picture Processorα9 Gen 3 AI Processor 4K
HDR (High Dynamic Range)Cinema HDR (Dolby Vision®, HDR10, HLG), Dolby Vision IQ, HDR Dynamic Tone Mapping Pro
ClarityQuad Step Noise Reduction, Frequency Based Sharpness Enhancer
MotionOLED Motion Pro
Refresh Rate120Hz (Native)
ContrastAdvanced Contrast Enhancer, Face Enhancing, Ultra Luminance Pro
ColorIntense Color, Billion Rich Colors, Advanced Color Enhancer, True Color Accuracy Pro
Resolution UpscalingAI Upscaling
G-SYNC CompatibleYes
VRR (Variable Refresh Rate)Yes
Response Time>1 ms
FreeSync™Yes (May not be available at the time of purchase of this product)
ALLM (Auto Low Latency Mode)Yes
LG ThinQ® AIYes
AlexaAlexa Built-in "Works with" Alexa
Intelligent Voice RecognitionYes
AI Picture Pro / AI PictureAI Picture Pro
GoogleGoogle Assistant Built-in "Works with" Google Assistant
AppleApple Airplay2, Apple Homekit
Home DashboardYes
Auto Genre SelectionYes (SDR/HDR/Dolby HDR)
Operating SystemwebOS
Universal Remote ControlYes (Auto Device Detection)
LG Content Store (App Store)Yes
Gallery ModeYes
Magic Remote ControlYes (Point, Click, Scroll, Voice)
LG ChannelsYes
Full Web BrowserYes
Sports AlertYes
Speaker System2.2 Channel
Speaker DirectionFront Firing (Reflector)
Dolby AtmosYes
Surround ModeOLED Surround
Bluetooth Sound ReadyYes
Output Power40W (20W Woofer)
AI Sound Pro / AI SoundAI Sound Pro
WiSA ReadyYes (Separate Dongle Purchase Required)
Audio CodecAC4, AC3 (Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (refer to manual)
Wi-Fi® StandardWi-Fi Certified 802.11ac
IP ControlYes
TV TunerATSC, Clear QAM
Bluetooth® SupportVersion 5.0
HDMI-CEC (Simplink)Yes
Smart Phone ConnectivityYes
HDMI Input (HDCP 2.2)1 (rear) / 3 (side)
USB Ports (v 2.0)2 (rear) / 1 (side)
Composite Input (AV)1 (rear, Gender)
RS-232C Input (Mini Jack)1 (rear)
Headphone Out1 (rear)
HDMI Audio Return Channel (ARC)eARC (HDMI 2)
RF Connection Input (Antenna/Cable)1 (rear)
Ethernet Input1 (rear)
Digital Audio Output (Optical)1 (rear)
Power Supply (Voltage, Hz)AC 120V, 50/60Hz
Standby Power ConsumptionUnder 0.5W
TV Dimensions with Stand (WxHxD)48.3" x 29.1" x 9.9"
Packaging Dimensions (WxHxD)55.3" x 32.9" x 8.1"
TV Weight with Stand50.7 lbs
Packaging Weight63.3 lbs
TV Dimensions without Stand (WxHxD)48.2" x 27.8" x 0.9"
Stand Width39.3"
TV Weight Without Stand41.7 lbs
VESA Mounting (W x H)300 x 300
RemoteMagic Remote
Power CableYes
Remote Control BatteryYes
Quick Start GuideYes
2020 ModelYes
Country of OriginMexico
Limited Warranty1 Year Parts & Labor

Misc. Specs

Product Weight (lbs.)50.7
HDMI Inputs4
Wall MountableYes
Screen Resolution4K
Width (in.)48.3
Depth (in.)9.9
Height (in.)29.1
Voice Controlled AssistantsAmazon Alexa, Google Assistant
Screen Size Class (in.)55
Screen Size (Measured Diagonally) (in.)54.6
Manufacturer Warranty1 Year Parts & Labor
Screen Refresh Rate (Hz.)120
Optical Digital(Fiber Optic) Audio Outputs1
Number of USB Ports3
Display TechnologyOLED
HDMI Outputs2
Audio Video Input1
Smart CompatibleYes
Wifi CapableYes
Bluetooth CapableYes
App CapableYes
Width (cm)122.68
Height (cm)73.91
Depth (cm)25.15
Product Weight (kg)23
Stand Width (cm)99.82
Stand Width (in.)39.3
Product Depth With Stand (cm)25.15
Product Depth With Stand (in.)9.9
Product Height With Stand (cm)73.91
Product Height With Stand (in.)29.1
Product Depth Without Stand (cm)4.57
Product Depth Without Stand (in.)1.8
Product Height Without Stand (in.)27.8
Product Height Without Stand (cm)70.61
WarningProposition 65 Warning for California Residents