LG OLED77B4PCA 77" OLED B4 4K Smart TV

A masterpiece that has been honed over time

A multi-year commitment to innovation cannot be imitated overnight. The world's leading OLED with a customized Alpha processor takes the viewing experience to a whole new level.

A golden emblem on a black background represents the 11th consecutive year of top-selling OLED TVs. A spotlight illuminates the emblem and gold abstract stars fill the sky above it.

World's First

After 11 years
Still Leading

LG continues to lead the OLED market and is the most popular OLED brand among viewers.

What makes LG OLEDs unique?

LG's α8 AI processor is located on top of the motherboard, emitting an orange flash. The screen shows that the OLED Care menu for OLED TV in the Support menu has been selected. In a modern living space, the OLED TV is hanging on the wall, and when viewed from the side, you can see its ingenious and slim design.

α8 AI Processor

Artificial Intelligence Determined by the Core

The upgraded α8 AI processor chip redefines OLED with transformative upgraded features and lifelike details.

1.5x

Faster AI performance

2.3x

Image Improvement

1.8x

Processing Speed

Artificial Intelligence for the perfect OLED experience

AI Customization

Synchronized personalized viewing experience

Customize picture quality settings to your taste

Simply pick your favorite picture and AI Picture Wizard will select the image quality setting that best suits your taste from 85 million possibilities.

million possibilities, AI Picture Wizard will select the picture quality setting that best suits your taste, and save it to your account.

It will be saved in your account.

AI Acoustic Tuning

Adjust the best sound for your space
Tune in to the best sound for your space

The sound system detects the layout of your space and your position to create a soundstage that surrounds you, delivering a perfectly unique sound effect.

Artificial intelligence automatically adjusts light and darkness

Whether it's day or night, the brightness control function automatically detects the ambient light and adjusts the picture brightness accordingly to present a clear image.

AI Picture Pro

Crazy Charm

AI Super Upscaling

After categorizing each frame, AI Noise Reduction and AI Super Resolution actually improve scene display.

AI Sound Pro

Hear every detail in sound

LG OLED TV is showing a musician performing, with bright circular graphics around the microphone and instruments.

Adaptive Sound Control

Superior sound for all content

Adaptive Sound Control balances audio in real time according to genre, delivering rich, clear sound.

LG OLED TV spreads out from the screen like sound bubbles and water ripples, gradually filling the entire space.

Virtual 9.1.2 Surround Sound

Sound comes to life as you move through space.

Experience the immersion of full 9.1.2 Virtual Surround Stereo.

A motorcycle traveling on a dirt track is surrounded by bright circles.

Dynamic Sound Enhancer

Intense sound resonance.

An upgraded AI processor powers up the sound to enhance dynamic sound.

An LG OLED TV shows off a musician's performance, with bright circular shapes around the microphone and instruments.

Adaptive sound control

Superb sound for all content

The Adaptive Sound Control feature balances audio in real time according to different genres, delivering rich and clear sound.

LG OLED TV spreads out from the screen like sound bubbles and water ripples, gradually filling the entire space.

Virtual 9.1.2 Surround Sound

Sound comes to life as you move through space.

Experience the ultimate immersion with the omni-directional 9.1.2 Virtual Surround Stereo sound.

Self-luminous 4K OLED

Freedom from backlighting
Unlimited beauty

LG OLED's self-luminous pixels emit light independently without relying on backlighting. This creates true colors, perfect blacks, and unparalleled picture quality. With Vision Protection Technology's certified low blue light, no flicker and no unpleasant glare, LG OLEDs help you watch for long periods of time without eye fatigue!

*Simulates on-screen images

Unlimited contrast for unlimited impact

The darkest shadows and the brightest light intertwine to create a unique scene bursting with life.

A vibrant cityscape in the evening with bold colors and contrast.

100% color reproduction and color capacity

Vivid colors

100% Color Capacity enriches tones, while 100% Color Restoration preserves the true representation of tones without distortion.

*LG OLED panels are Intertek certified for 100% color reproduction and CIE DE2000 tested with 125 color palettes.

**Screen Color Volume (CGV) equals or exceeds the DCI-P3 color volume independently verified by Intertek.

OLED TV is placed on the right side of the image. The Support menu is on the OLED TV and the OLED Care menu is selected.

OLED Care

Enhance OLED life

Keep your screen looking like new for years to come with comprehensive panel protection.

The LG OLED B4 TV hangs on the wall of a neutral living space, displaying colorful photos of a sunset over the ocean.

Slim design

Simple lines create a smooth impression.

The bottom corner of the LG OLED B4 TV rests on a marble surface. The screen has a light blue wave. The LG OLED B4 TV is placed on a stand in a minimalist space.

So close

incredibly slim design, it leaves your attention undisturbed, focused entirely on the screen

while blending seamlessly into your home décor.

*Bezel size may vary by series and size.

Many different sizes

For every life

With models ranging from 48 to 77 inches, there's something for every space and taste.

Compare the different sizes of LG OLED B4 TVs, showcasing the 48", 55", 65" and 77" OLED B4.

The webOS Re:New program logo is on a black background with a yellow and orange and purple sphere at the bottom.

webOS Re:New program

Updating your TV for five years in a row

Provides you with 4 consecutive webOS upgrades over 5 years to give you convenient features and technology.

webOS 24

Shape your TV experience

My Profile, AI Picture Wizard, AI Concierge, and Quick Cards create a viewing experience tailored to you.

The webOS 24 home page features categories such as Home Office, Games, Music, Home Center, and Sports. Personalized recommendations are displayed at the bottom of the screen under "Recommended for You".

Go to Movie Mode for unlimited fun

Dolby Vision & FILMMAKER MODE™

Bring real movie scenes to life.

Dolby Vision delivers vivid picture quality, supported by FILMMAKER MODE™, which preserves the director's intent and optimizes picture quality without any distortion or over-processing.

A director stands in front of a control panel editing the movie "Moonraker" on an LG OLED TV. For home viewing, every film should be seen in filmmaker mode," to quote Martin Scorsese, is overlaid on the image with the Moonraker logo, the Apple TV+ logo and the Coming Soon logo. Dolby Vision Logo Filmmaker Mode™ Logo

Dolby Atmos

Enchanting sound that surrounds you.

Dolby Atmos delivers unparalleled clarity, fine detail and spatial depth, so the sound of the action surrounds you at all times.

In a warm, dimly lit living space, an LG OLED TV shows a couple using umbrellas while a bright circular graphic surrounds the space, with the Dolby Atmos logo in the lower left corner.

Director-level detailing

A conversation with Lee Sung-jin, director of Netflix's "Life of Yi".

How Ryusuke Hamaguchi Made His Award-Winning Movie

The Ultimate Gaming Experience

No lagging, no matter how fast you move

Get ready to win with support for AMD FreeSync Premium, G-SYNC compatibility, 120Hz mode and VRR.

Easy Control Anywhere, Anytime

Pause-free access to the Game Dashboard and Game Optimizer game enhancements

An FPS game scene where the Game Dashboard is displayed on the screen during gameplay. A dark winter scene where the Game Optimizer feature list appears at the top of the game

Play all your favorite games

With thousands of games to choose from, explore an epic library of cloud-based games and play them via streaming to avoid wasting time downloading or updating.

A Boosteroid home screen image showing Trine 4: The Nightmare Prince. The GeForce NOW home page shows thumbnails of the five games on the right.

Sustainability

Discover LG OLED's vision for the future.

LG OLEDs are packaged in lightweight, biodegradable packaging and are certified globally sustainable, so choose a brand that's good for the planet and create a greener tomorrow today!

The LG OLED package sits on a beige background with an illustration of a tree above it.

SPECIFICATIONS

PICTURE (DISPLAY)

Display Type 4K OLED

Resolution 4K Ultra HD (3,840 x 2,160)

Refresh Rate 120Hz Native

Wide Color Gamut Technology OLED Color

PICTURE (PROCESSING)

Image Processor α8 AI Processor 4K

Artificial Intelligence Multiplier Technology α8 AI Super Upscaling 4K

Motion Color Matching Support (Professional Motion Color Matching)

AI Image Recognition Support (SDR/HDR)

AI Brightness Control Support

HDR Dolby Vision / HDR10 / HLG

FILMMAKER MODE ™ Support

High Frame Rate Imaging 4K 120 fps (HDMI)

Dimming technology Pixel-independent light control

Smooth Picture OLED Motion

Image modes

10 modes (Personalized Picture Wizard, Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, (ISF)Expert(Bright Room), (ISF)Expert(Dark Room))

GAMING

G-Sync Compatible (Nvidia) support

FreeSync Compatible (AMD) Support

HGIG Mode Support

Gaming Interface Support (Gaming Interface)

ALLM (Auto Low Latency Mode) Support

VRR (Variable Refresh Rate) Support

SMART TV

Apple Airplay2 Support (Hong Kong only)

System webOS 24

Home Settings Support

ThinQ Support

USB Lens Connection Support

Standby Support

Web Browser Support (Hong Kong only)

Smart Voice Recognition Support

Magic Remote Control included

Multi-screen Support

Room-to-Room Sharing Support (Incoming)

Mobile Remote Apps Support (LG ThinQ)

ACCESSIBILITY

High Contrast Support

Gray Scale Support

Invert Colors Support

DIMENSIONS AND WEIGHTS

Dimensions without stand (W x H x D, mm) 1719 x 989 x 50.9

Dimensions with stand (W x H x D, mm) 1719 x 1057 x 319

Box Dimensions (W x H x D, mm) 1839 x 1130 x 200

Stand (W x D, mm) 1403 x 319

Weight without stand (kg) 22.9

Weight with stand (kg) 23.5

Weight with case (kg) 33.5

VESA Mounting (WxH, mm) 300 x 200

AUDIO

Dolby Atmos Support

AI Acoustic Tuning α8 AI Sound Pro (Virtual 9.1.2 Up-mix)

Professional Clear Voice Support (Auto Volume Leveling)

WiSA Ready Yes (Up to 2.1 Channel)

LG Sound Sync Support

TV Sound Mode Sharing Support

Audio Sync Output Support

Bluetooth Surround Ready Yes (2 Way Playback)

Sound Output 20W

AI Acoustic Tuning Support

Audio Codec AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to manual)

Speaker Direction Down Firing

Audio System 2.0 Ch

CONNECTIVITY

HDMI Audio Return Channel eARC (HDMI 3)

Bluetooth Support Support (v 5.1)

Ethernet Input 1ea

Simplink (HDMI CEC) Support

SPDIF (Optical Digital Audio Out) 1ea

HDMI Input 4ea (supports 4K 120Hz, eARC, VRR, ALLM, QMS (4 port))

RF Input (Antenna/Cable) 1ea

USB Input 2ea (v 2.0)

Wi-Fi Yes (Wi-Fi 5)

POWER Power Supply (Voltage, Hz)

AC 100~240V 50~60Hz (Hongkong), AC 100~220V/50Hz (China)

Standby Power Consumption Less than 0.5W

Accessories included

Remote Control

Magic Remote Control MR24

Power Cord

Yes (Attached)

Batteries for Remote Control

Supported (AA x 2)