The front view of the LG OLED AI B6, released in 2026, displays an image of layered, multicolored forms, featuring Perfect Black & Perfect Color, along with the World’s No.1 OLED TV for 13 Years badge.

77 inch LG OLED AI B6 4K Smart TV 2026

OLED77B66LA

Key Features

Perfect Black and Perfect Color ensures deeper contrast and vivid, accurate color in any light.
Up to 144Hz in 4K with G-SYNC compatibility and FreeSync Premium for smoother, winning gameplay
Award-winning webOS brings advanced AI experiences—powered by Google Gemini and Microsoft Copilot
The AI button unlocks AI Hub for a smart, personalized experience, secured by LG Shield

All Spec

PICTURE (DISPLAY)

Wide Color Gamut: Perfect Color

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

Display Type: 4K OLED

Refresh Rate: 120Hz Native (VRR 144Hz)

PICTURE (PROCESSING)

Picture Mode: 9 modes

Motion: OLED Motion

QMS (Quick Media Switching): Yes

QFT (Quick Frame Transport): Yes

Picture Processor: Alpha 8 AI Processor 4K Gen3

AI Genre Selection: Yes (SDR/HDR)

AI HDR Remastering: Yes

AI Picture Pro: Yes

AI Upscaling: Alpha 8 AI Super Upscaling 4K

Auto Brightness Control: Yes

Auto Calibration: Yes

Dimming Technology: Pixel Dimming

Dynamic Tone Mapping: Yes (Dynamic Tone Mapping Pro)

FILMMAKER MODE™: Yes

HDR (High Dynamic Range): Dolby Vision / HDR10 / HLG

HFR (High Frame Rate): 4K 120 fps (HDMI)

GAMING

VRR (Variable Refresh Rate): Yes (Up to 144Hz)

Response Time: Less than 0.1ms

HGIG Mode: Yes

G-Sync Compatible (Nvidia): Yes

Game Optimizer: Yes (Game Dashboard)

FreeSync Compatible (AMD): Yes

Dolby Vision for Gaming (4K 120Hz): Yes

ALLM (Auto Low Latency Mode): Yes

SMART TV

USB Camera Compatible: Yes

Works with Apple Home: Yes

AI Chatbot: Yes

AI Magic Remote: Built-In

AI Picture/Sound Wizard: Yes

AI Voice ID: Yes

Always Ready: Yes

Full Web Browser: Yes

Google Cast: Yes

Home Hub: Yes (Google Home, LG ThinQ)

LG Gallery+: Yes (Paid service availability varies by country)

LG Shield: Yes

Multi View: Yes

My Page: Yes

Operating System (OS): webOS 26

Smartphone Remote App: Yes (LG ThinQ)

Works with Apple Airplay: Yes

Intelligent Voice Recognition: Yes

AUDIO

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

Simultaneous Audio Output: Yes

Adaptive Acoustic Tuning: Yes

AI Object Remastering: Yes (AI Object Remastering Pro)

AI Sound: Alpha 8 AI Sound Pro (Virtual 11.1.2 Up-mix)

Audio Output: 20W

Clear Voice Pro: Yes

Dolby Atmos: Yes

LG Sound Sync: Yes

Sound Mode Share: Yes

Speaker Direction: Down Firing

Speaker System: 2.0 channel

WOW Orchestra: Yes

CONNECTIVITY

SPDIF (Optical Digital Audio Out): 1ea

Ethernet Input: 1ea

Bluetooth Support: Yes (v 5.3)

HDMI Audio Return Channel: eARC (HDMI 2)

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

RF Input (Antenna/Cable): 2ea

Simplink (HDMI CEC): Yes

USB Input: 2ea (v 2.0)

Wi-Fi: Yes (Wi-Fi 6)

ACCESSIBILITY

Invert Colors: Yes

High Contrast: Yes

Gray Scale: Yes

DIMENSIONS AND WEIGHTS

VESA Mounting (WxH): 300 x 200

TV Weight with Stand: 23.3

TV Weight without Stand: 22.9

TV Stand (WxD): 1390 x 268

TV Dimensions with Stand (WxHxD): 1719 x 1057 x 268

TV Dimensions without Stand (WxHxD): 1719 x 989 x 50.9

Packaging Weight: 33.3

Packaging Dimensions (WxHxD): 1839 x 1130 x 200

POWER

Standby Power Consumption: Under 0.5W

Power Supply (Voltage, Hz): AC 100~240V 50-60Hz

ACCESSORIES INCLUDED

Power Cable: Yes (Attached)

Remote: AI Magic Remote MR26

BROADCASTING

Digital TV Reception: DVB-T2/T (Terrestrial), DVB-C (Cable), DVB-S2/S (Satellite)

Analog TV Reception: Yes

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