LG - 77" Class B6 Series OLED AI 4K Smart webOS TV (2026)
Model: OLED77B6GUA
SKU: 6673117
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Series
OLED - B6 seriesScreen Size Class
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Highlights
- Key Specs
- Display Type: OLED
- Resolution: 4K (2160p) (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
- Screen Size Class: 77 inches (The group size measurement of a screen. This differs from a screen size measured diagonally from corner to corner.)
- High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
- High Dynamic Range Format: Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
- OLED Technology: Standard OLED
- Refresh Rate: 120Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
- Motion Enhancement Technology: OLED Motion (Proprietary technologies produced in addition to the Refresh Rate that smooth out faster moving pictures to reduce blur and pixelation.)
- Specific Manufacturer Technologies: α8 AI Processor 4K Gen3, LG ThinQ AI, webOS 26, LG Channels (This is technology that's specific to a TV brand (sometimes called proprietary technology). Here you'll see terms related to picture quality, brightness, processors and more.)
- Smart Platform: webOS (Just like a computer, a smart TV needs an operating system (also called a smart platform) in order to access the Internet, connect with entertainment apps, and play streaming content. Some common TV smart platforms are; Roku TV, Android TV, and Chromecast.)
- Featured Streaming Services: Netflix, HBO Max, Disney+, YouTube, Prime Video, ESPN+, Apple TV (Streaming services and other programs are available on this device. Keep in mind, there may be more services supported than just those shown here.)
- Number of HDMI Inputs (Total): 4
- TV Tuner Type: ATSC, Clear QAM
- Works With: Google Home, Apple Home (Compatible with or able to be connected to other smart devices or applications.)
- Voice Assistant Built-in: Other (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
- General
- Brand: LG
- Model Number: OLED77B6GUA
- Product Name: 77" Class B6 Series OLED AI 4K Smart webOS TV (2026)
- Series: OLED - B6 series (Part of a group of the same product type with similar features.)
- Model Year: 2026
- Dimensions
- Product Height With Stand: 41.6 inches
- Product Width: 67.7 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Depth With Stand: 10.6 inches
- Product Height Without Stand: 38.9 inches
- Product Depth Without Stand: 2 inches
- Product Weight With Stand: 51.4 pounds
- Product Weight Without Stand: 50.5 pounds
- Stand Width: 54.7 inches (The horizontal measurement of the stand/base, or the distance from the outside of one leg to the outside of the opposite leg, as it is attached to the product.)
- Stand Depth: 10.6 inches
- Adjustable Stand Width: false (Whether the stand can adjust to have more than one measurement either between the legs or the base itself.)
- Display
- Display Type: OLED
- Resolution: 4K (2160p) (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
- Screen Size: 77.8 inches (Size of the screen, measured diagonally from corner to corner.)
- Screen Size Class: 77 inches (The group size measurement of a screen. This differs from a screen size measured diagonally from corner to corner.)
- High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
- High Dynamic Range Format: Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
- Picture Quality Enhancement Technology: Dynamic Tone Mapping Pro
- OLED Technology: Standard OLED
- Curved Screen: false
- Refresh Rate: 120Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
- Motion Enhancement Technology: OLED Motion (Proprietary technologies produced in addition to the Refresh Rate that smooth out faster moving pictures to reduce blur and pixelation.)
- Maximum Contrast Ratio (Native): Infinite (The difference between the brightest and the dimmest a screen panel can be. A higher contrast produces more in-depth images.)
- Synchronization Technology: G-SYNC Compatible (NVIDIA Adaptive Sync), FreeSync (AMD Adaptive Sync) (Generally, these technologies allow syncing between a computer/console game's frame rate and the device's refresh rate for a smoother display without tearing.)
- Closed Captioning: true (The text version of spoken audio displayed on the screen. Devices that can display closed captioning typically have the option to toggle the feature on or off.)
- Features
- Remote Control Type: Magic
- Specific Manufacturer Technologies: α8 AI Processor 4K Gen3, LG ThinQ AI, webOS 26, LG Channels (This is technology that's specific to a TV brand (sometimes called proprietary technology). Here you'll see terms related to picture quality, brightness, processors and more.)
- Smart Capable: true (Smart, or smart-capable devices are able to connect directly to your home network in order to stream content from the Internet, run Internet-based apps, or connect to other smart devices.)
- Smart Platform: webOS (Just like a computer, a smart TV needs an operating system (also called a smart platform) in order to access the Internet, connect with entertainment apps, and play streaming content. Some common TV smart platforms are; Roku TV, Android TV, and Chromecast.)
- Featured Streaming Services: Netflix, HBO Max, Disney+, YouTube, Prime Video, ESPN+, Apple TV (Streaming services and other programs are available on this device. Keep in mind, there may be more services supported than just those shown here.)
- Screen Mirroring: true (Casts the screen of one device onto another wirelessly, using a common protocol (typically Bluetooth).)
- Screen Mirroring Technology: Apple AirPlay, Google Cast
- Content Sharing: Mobile to TV (The device is capable of connecting to another device in order to send or receive streaming content. Share content from your mobile device to your TV or vice versa.)
- Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
- Text-To-Speech: true (A system that converts language text into speech.)
- V-Chip: false (Feature that blocks television programming if it has a content rating outside of the acceptable rating(s) configured by the user.)
- TV Tuner: Digital (The ATSC TV Tuner is a component built into conventional TV sets or other devices for receiving over-the-air broadcast TV without a cable/satellite box. Digital tuners may be purchased separately and connected to a device if it does not have one built in.)
- Connectivity
- Number of HDMI Inputs (Total): 4
- Display Connector(s): 4 x HDMI 2.1 (The number and type of connectors used to connect to an external display.)
- Network Connector(s): 1 x LAN
- Audio Only Outputs: 1 x Optical digital audio
- USB Ports: 2 x USB-A 2.0 (The number and type of USB ports the product has.)
- HDMI Audio Return Channel (ARC): eARC
- Wireless Connectivity: Wi-Fi, Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- TV Tuner Type: ATSC, Clear QAM
- RF Antenna Input: true (This input is used to connect devices such as antennas or cable boxes to a TV via a coaxial cable.)
- Number Of USB Port(s) (Total): 2 (The total number of USB ports including all generations and versions.)
- Wireless Networking Standard: Wi-Fi 5 (The wireless networking standard used by the device. Each iteration of the standard developed by the Wi-Fi Alliance corresponds to an existing IEEE 802.11 protocol; for example, standard 802.11ac (or AC) is termed Wi-Fi 5. Refers specifically to the standard the device is designed to use, but ultimately determines product interoperability and backward compatibility including previous versions.)
- Bluetooth Version: 5.3 (The Bluetooth specification formalized by the Bluetooth Special Interest Group. All versions of the Bluetooth standard are backwards compatible with previous versions.)
- Headphone Jack: false (The device features an interface that allows for the connection of headphones.)
- Compatibility
- VESA Wall Mount Standard: 300mm x 200mm (VESA wall mount standards refer to the spacing of screw holes built into a TV in order to fit with standard TV wall mounts. These standards are implemented into most TVs and monitors.)
- Works With: Google Home, Apple Home (Compatible with or able to be connected to other smart devices or applications.)
- Voice Assistant Built-in: Other (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
- Audio
- Built-In Speakers: true
- Built-in Speaker Type: Downward firing (Backward, downward, and front-firing speakers direct sound into the room from those respective directions. A soundbar is typically long and rectangular, and designed to act as an all-in-one speaker with greater sound production than that of a TV alone. An acoustic surface is the result of small sound actuators embedded directly behind the screen, turning the entire screen's surface into a speaker.)
- Surround Sound Supported: Dolby Atmos (Surround sound systems use multiple audio channels and speakers to create an immersive sound experience for the listener. There are also various proprietary technologies that imitate this kind of sound via a device's built-in speakers or soundbar.)
- Number of Audio Channels: 2.0 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
- Power
- ENERGY STAR Certified: false (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
- EPEAT Qualified: false (The Electronic Product Environmental Assessment Tool (EPEAT) was designed to provide an environmental assessment tool for purchasers. In order to qualify for EPEAT, a product must meet all 23 required criteria.)
- Estimated Annual Operating Cost: 47 United States dollars (Predicted cost of operating the product under average conditions for one year.)
- Estimated Annual Electricity Use: 296 kilowatt hours (Predicted amount of electricity needed to operate the product under average conditions for one year.)
- Included
- Wall Mount Included: false
- Stand Included: true
- Warranty
- Warranty - Parts: 1 year limited
- Warranty - Labor: 1 year limited
- Box Dimension
- Height: 44.4 inches
- Width: 72.4 inches
- Depth: 7.87 inches
- CubicDimension: 25299 inches
- Other
- UPC: 195174141137
The LG OLED B6 is a premium watching experience that offers more than meets the eye. You'll be able to keep pace with the action with a native 120Hz refresh rate for smoother movement whether you're gaming or watching sports. Entertainment extras like Dolby Vision®, Dolby Atmos® and FILMMAKER MODE give you the big-picture experience straight from your couch. Enjoy outstanding picture powered by the α8 AI Processor 4K Gen3, which uses AI to detect what you're watching and automatically improves the picture and sound quality of whatever you're watching. Search less and stream more, thanks to the next generation of AI technology from LG webOS 26. With Quick Cards, group your favorite apps into categories and even have instant access to over 400 free channels with LG Channels and 10,000 movies & shows (on demand).¹ All LG OLED TVs have NVIDIA G-Sync, AMD FreeSync Premium and VRR to further improve gaming quality. And four HDMI 2.1 inputs allow you to plug in all the devices you need for the win. Whether you game on consoles or on the cloud,² the LG Game Dashboard and Game Optimizer put all the control at your fingertips.
- Prefect Black & Vivid Color: LG's OLED technology creates an incredible watching experience and stellar picture quality with Perfect Black and Vivid Color on over 8.3 million self-lit smart pixels, even in bright rooms.³
- α8 AI Processor 4K Gen3: Enjoy outstanding picture, which uses AI to detect what you're watching and automatically improves the picture and sound quality to your personal preferences.
- Dolby Vision, Dolby Atmos & FILMMAKER MODE: Experience the magic of the big screen right from your couch. Loaded with Dolby Vision® for extraordinary color, contrast and brightness, plus Dolby Atmos® for sound you can feel all around you. Land in the center of the action with FILMMAKER MODE with Ambient Light Technology, allowing you to see films just as the director intended.
- Ultimate Gameplay: This LG OLED evo Series comes with everything you need to win. Experience crisp, smooth imagery from a 0.1ms response time and up to 120Hz refresh rate to let you game at blinding speed without any blurring or tearing to keep up with the fastest games. All LG OLED TVs have NVIDIA G-Sync, AMD FreeSync Premium and VRR to further improve gaming quality. Whether you game on consoles or on the cloud,² the LG Game Dashboard and Game Optimizer put all the control at your fingertips.
- OLED Care: The OLED Care feature helps protect your OLED display to retain the best picture quality possible over time.
- webOS 26: Powered by Google Gemini & Microsoft Copilot, LG’s Smart TV platform, webOS 26, delivers an AI experience which makes your TV smarter & more personalized. With just your voice, the TV brings up your customized screen, recommends what you’ll love next & adjusts picture & sound to match your preferences. It helps solve problems before you ask, generates personalized content, and provides real‑time sports stats.
- LG Channels: Get instant access to over 400 free channelss and 10,000+ movies & shows (on-demand).⁵ Discover and enjoy premium new entertainment with nothing more than an internet connection.
- Gallery+: Create, display and express your taste with LG Gallery +. Choose from a collection of high-resolution artwork, scenic photography and other personalization features.⁶ Plus turn your ideas into art with Generative AI.
- Dynamic Sports: Dynamic Sports is an exclusive sports experience built into LG’s webOS Smart TVs. It’s designed for fans who don’t want to miss a single play, score, or highlight. By combining live streaming, team tracking, and instant notifications, it makes your TV feel like a personal sports assistant.
- LG Shield: The LG Shield helps provide privacy protection against malware, viruses, and other cyber threats with real-time scanning and automatic updates.
- Prefect Black & Vivid Color: LG's OLED technology creates an incredible watching experience and stellar picture quality with Perfect Black and Vivid Color on over 8.3 million self-lit smart pixels, even in bright rooms.³
- α8 AI Processor 4K Gen3: Enjoy outstanding picture, which uses AI to detect what you're watching and automatically improves the picture and sound quality to your personal preferences.
- Dolby Vision, Dolby Atmos & FILMMAKER MODE: Experience the magic of the big screen right from your couch. Loaded with Dolby Vision® for extraordinary color, contrast and brightness, plus Dolby Atmos® for sound you can feel all around you. Land in the center of the action with FILMMAKER MODE with Ambient Light Technology, allowing you to see films just as the director intended.
- Ultimate Gameplay: This LG OLED evo Series comes with everything you need to win. Experience crisp, smooth imagery from a 0.1ms response time and up to 120Hz refresh rate to let you game at blinding speed without any blurring or tearing to keep up with the fastest games. All LG OLED TVs have NVIDIA G-Sync, AMD FreeSync Premium and VRR to further improve gaming quality. Whether you game on consoles or on the cloud,² the LG Game Dashboard and Game Optimizer put all the control at your fingertips.
- OLED Care: The OLED Care feature helps protect your OLED display to retain the best picture quality possible over time.
- webOS 26: Powered by Google Gemini & Microsoft Copilot, LG’s Smart TV platform, webOS 26, delivers an AI experience which makes your TV smarter & more personalized. With just your voice, the TV brings up your customized screen, recommends what you’ll love next & adjusts picture & sound to match your preferences. It helps solve problems before you ask, generates personalized content, and provides real‑time sports stats.
- LG Channels: Get instant access to over 400 free channelss and 10,000+ movies & shows (on-demand).⁵ Discover and enjoy premium new entertainment with nothing more than an internet connection.
- Gallery+: Create, display and express your taste with LG Gallery +. Choose from a collection of high-resolution artwork, scenic photography and other personalization features.⁶ Plus turn your ideas into art with Generative AI.
- Dynamic Sports: Dynamic Sports is an exclusive sports experience built into LG’s webOS Smart TVs. It’s designed for fans who don’t want to miss a single play, score, or highlight. By combining live streaming, team tracking, and instant notifications, it makes your TV feel like a personal sports assistant.
- LG Shield: The LG Shield helps provide privacy protection against malware, viruses, and other cyber threats with real-time scanning and automatic updates.
- Prefect Black & Vivid Color: LG's OLED technology creates an incredible watching experience and stellar picture quality with Perfect Black and Vivid Color on over 8.3 million self-lit smart pixels, even in bright rooms.³
- α8 AI Processor 4K Gen3: Enjoy outstanding picture, which uses AI to detect what you're watching and automatically improves the picture and sound quality to your personal preferences.
- Dolby Vision, Dolby Atmos & FILMMAKER MODE: Experience the magic of the big screen right from your couch. Loaded with Dolby Vision® for extraordinary color, contrast and brightness, plus Dolby Atmos® for sound you can feel all around you. Land in the center of the action with FILMMAKER MODE with Ambient Light Technology, allowing you to see films just as the director intended.
- Ultimate Gameplay: This LG OLED evo Series comes with everything you need to win. Experience crisp, smooth imagery from a 0.1ms response time and up to 120Hz refresh rate to let you game at blinding speed without any blurring or tearing to keep up with the fastest games. All LG OLED TVs have NVIDIA G-Sync, AMD FreeSync Premium and VRR to further improve gaming quality. Whether you game on consoles or on the cloud,² the LG Game Dashboard and Game Optimizer put all the control at your fingertips.
- OLED Care: The OLED Care feature helps protect your OLED display to retain the best picture quality possible over time.
- webOS 26: Powered by Google Gemini & Microsoft Copilot, LG’s Smart TV platform, webOS 26, delivers an AI experience which makes your TV smarter & more personalized. With just your voice, the TV brings up your customized screen, recommends what you’ll love next & adjusts picture & sound to match your preferences. It helps solve problems before you ask, generates personalized content, and provides real‑time sports stats.
- LG Channels: Get instant access to over 400 free channelss and 10,000+ movies & shows (on-demand).⁵ Discover and enjoy premium new entertainment with nothing more than an internet connection.
- Gallery+: Create, display and express your taste with LG Gallery +. Choose from a collection of high-resolution artwork, scenic photography and other personalization features.⁶ Plus turn your ideas into art with Generative AI.
- Dynamic Sports: Dynamic Sports is an exclusive sports experience built into LG’s webOS Smart TVs. It’s designed for fans who don’t want to miss a single play, score, or highlight. By combining live streaming, team tracking, and instant notifications, it makes your TV feel like a personal sports assistant.
- LG Shield: The LG Shield helps provide privacy protection against malware, viruses, and other cyber threats with real-time scanning and automatic updates.
Whats Included
- OLED77B6GUA
- Table Top Stand
- Magic Remote (MR26)
- Remote Control Batteries (AAA x 2)
- Power Cable (attached)
- Quick Start Guide
- e-Manual
- OLED77B6GUA
- Table Top Stand
- Magic Remote (MR26)
- Remote Control Batteries (AAA x 2)
- Power Cable (attached)
- Quick Start Guide
- e-Manual
- OLED77B6GUA
- Table Top Stand
- Magic Remote (MR26)
- Remote Control Batteries (AAA x 2)
- Power Cable (attached)
- Quick Start Guide
- e-Manual
Documents
- Energy_Guide_PDF
- Energy_Guide_PDF
- Energy_Guide_PDF
Disclaimers
- ¹Internet connection and subscriptions to streaming services are required; number of LG Channels subject to change.
- ²Subscription and compatible gaming controller are required.
- ³Verified by UL Solutions for Perfect Black technology delivering black levels ≤0.24nit up to 500lux
- ⁴Internet connection and subscriptions to streaming services are required; number of LG Channels and movies & shows (on-demand) subject to change. Software update will automatically download for up to 4 years. Consumers who disable “auto-update” will receive a pop-up notification to accept or deny software update. LG account required to access our network-based smart services.
- ⁵Internet connection required; number of LG Channels subject to change. LG account required to access our network-based smart services.
- ⁶Internet connection and LG Gallery + subscription required for select features. LG account required to access our network-based smart services.
- Dolby, Dolby Vision, Dolby Atmos, and the double-D symbol are registered trademarks of Dolby Laboratories Licensing Corporation. Manufactured under license from Dolby Laboratories. Confidential unpublished works. Copyright © 2012–2026 Dolby Laboratories. All rights reserved.
- Web-based services and content require high-speed Internet service. Some services may require a subscription.
- ¹Internet connection and subscriptions to streaming services are required; number of LG Channels subject to change.
- ²Subscription and compatible gaming controller are required.
- ³Verified by UL Solutions for Perfect Black technology delivering black levels ≤0.24nit up to 500lux
- ⁴Internet connection and subscriptions to streaming services are required; number of LG Channels and movies & shows (on-demand) subject to change. Software update will automatically download for up to 4 years. Consumers who disable “auto-update” will receive a pop-up notification to accept or deny software update. LG account required to access our network-based smart services.
- ⁵Internet connection required; number of LG Channels subject to change. LG account required to access our network-based smart services.
- ⁶Internet connection and LG Gallery + subscription required for select features. LG account required to access our network-based smart services.
- Dolby, Dolby Vision, Dolby Atmos, and the double-D symbol are registered trademarks of Dolby Laboratories Licensing Corporation. Manufactured under license from Dolby Laboratories. Confidential unpublished works. Copyright © 2012–2026 Dolby Laboratories. All rights reserved.
- Web-based services and content require high-speed Internet service. Some services may require a subscription.
- ¹Internet connection and subscriptions to streaming services are required; number of LG Channels subject to change.
- ²Subscription and compatible gaming controller are required.
- ³Verified by UL Solutions for Perfect Black technology delivering black levels ≤0.24nit up to 500lux
- ⁴Internet connection and subscriptions to streaming services are required; number of LG Channels and movies & shows (on-demand) subject to change. Software update will automatically download for up to 4 years. Consumers who disable “auto-update” will receive a pop-up notification to accept or deny software update. LG account required to access our network-based smart services.
- ⁵Internet connection required; number of LG Channels subject to change. LG account required to access our network-based smart services.
- ⁶Internet connection and LG Gallery + subscription required for select features. LG account required to access our network-based smart services.
- Dolby, Dolby Vision, Dolby Atmos, and the double-D symbol are registered trademarks of Dolby Laboratories Licensing Corporation. Manufactured under license from Dolby Laboratories. Confidential unpublished works. Copyright © 2012–2026 Dolby Laboratories. All rights reserved.
- Web-based services and content require high-speed Internet service. Some services may require a subscription.
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| Pros for LG - 77" Class B6 Series OLED AI 4K Smart webOS TV (2026) | |||
|---|---|---|---|
| There were no pros for this product— | Picture Quality, Brightness, OLED Quality, Design, Black Level | Picture Quality, Size, Brightness | Picture Quality, Size, Setup Ease, Weight, Features |
| Cons for LG - 77" Class B6 Series OLED AI 4K Smart webOS TV (2026) | |||
| There were no cons for this product— | There were no cons for this product— | There were no cons for this product— | Volume |
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