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Key Features

  • 4K Ultra HD Resolution
  • webOS 3.5 Smart TV
  • Active HDR
  • True Color Accuracy
Suggested Price


Suggested Price
Promotion Price*


Promotion Price*

webOS 3.5 Smart TV

webOS brings together all of the most popular streaming video apps, including Netflix, brought to life in 4K, HDR or enhanced with HDR Effect. And webOS gives you access to more than 70 free premium Internet channels through the LG Channel Plus app.

Please check with content providers for required bandwidth to stream videos. Smart service on product is subject to change. Some apps that appear on the screen image may not be pre-installed; Internet connection is required for download.

Channel Plus

Channel Plus

Channel the Internet

Get 100 free IP channels including Got Talent Global, Outside TV Shorts, Just for Laughs, and more integrated right into the television. Discover premium new entertainment, sports and lifestyle programming or enjoy old favorites any time.


   SLING TV   

Introducing A La Carte TV, the only live TV service that lets you personalize your channel lineup and save. Customize with your favorite extras like Sports, Comedy, Kids, News, Hollywood, Lifestyle and more. Watch 7 Days Free! Restrictions apply.

Active HDR with scene by scene optimization

Elevate the HDR experience even higher with Active HDR which optimizes content scene-by-scene. Brights looks brighter, darks look darker and every image looks richer. For the most content choices, Active HDR even supports HLG.

Learn More about Active HDR


HDR technology helps to adjust the brightness and darkness on screen, as you would experience it with your own eye. LG UHD TV offers compatibility with HDR formats such as HDR10 for Blu-ray DVD and HLG for broadcast.

HDR10 and HLG are rendered by LG UHD TV’s exclusive processing. By applying dynamic data produced by LG TV processing on a scene-by-scene basis, all types of content is displayed with improved HDR quality.

True to Life Color

See a more accurate, natural picture with advanced color mapping. True Color Accuracy automatically corrects color distortions for vibrant, lifelike color.

More consistent color and contrast from any seat

The IPS technology in LG TV uses in-plane switching to deliver rich colors and a strong contrast ratio that remain consistent at wide viewing angles. With IPS technology, any seat becomes the best in the house.



Earning the ENERGY STAR® means a product meets stringent energy efficiency requirements set by the US Environmental Protection Agency. ENERGY STAR® certified televisions are on average, 27 percent more energy efficient than conventional models, saving energy in all usage modes: sleep, idle and on.



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What People Are Saying

Rated 5 out of 5 by from So far so good So far so good. I got the 75 inch Lg 4K HDR and I’m loving it so far. Watching 4K movies is unbelievable great. I’m watching old movies over and it’s a totally different movie on 75 inch 4K. The only con is the tv sound not being loud enough. So I suggest getting an external sound system. The Netflix option is cool too. I upgraded my Netflix account to 4K.
Date published: 2018-04-06
Rated 5 out of 5 by from Holy Mother of God I won this at an awards event. Brought it home and looked at the box for 2 days before Jodie said " Open it up and plug it in". It's like 3-D without glasses. Like having a live set of actors in your home. Simply amazing.
Date published: 2018-01-05
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Ask your questions. Share your answers.
Please first review the detailed product information and help guides in the Product Support section for this product prior to posting a question.

Do these tv's have outputs in the back to run digital audio to a sound system? Not sync with a sound bar.

Asked by: Sharonfredell1978
The LG 4K UHD HDR Smart LED TV - 75" Class (74.5" Diag), Model # 75UJ6450 has an Optical Digital Audio Output in the back...^IFV
Answered by: LGJoel
Date published: 2018-02-26

I've used 65UH9500 last year in Korea last year. Can I still use 75UJ6450 in Korea?

Asked by: Miley
Hi Miley. Like the 65UH9500, the LG 4K UHD HDR Smart LED TV - 75" Class (74.5" Diag), Model # 75UJ6450 also has three built-in tuners, an ATSC tuner, an NTSC tuner and a QAM tuner which are compatible with the Television Broadcast Systems used in the U.S. Korea also uses the NTSC for analog broadcasts and ATSC for Terrestrial Digital Broadcast so the TV will work in Korea like your 65UH9500 did. However, some Korean Broadcasters announced in February of 2016 that they were beginning transmitting ATSC 3.0 Over-the-Air Broadcasts in February 2017 so these TVs will not be able to receive ATSC 3.0 Over-the-Air Broadcasts from those Broadcasters since the ATSC tuner in them is the ATSC 1.0 which is not compatible with ATSC 3.0. ATSC is the broadcast standard for a half dozen countries in North America, including Canada, Mexico and South Korea so for Over-the Air Broadcasts that still use ATSC 1.0 in Korea, you will be able to use the 75UJ6450...^IFV
Answered by: LGJoel
Date published: 2018-02-23

Is the Bose solo sound bar compatible with this tv? 

Asked by: Willow18
Hi Willow18. The LG 4K UHD HDR Smart LED TV - 75" Class (74.5" Diag), Model # 75UJ6450 is a Bluetooth enabled TV, it has an HDMI IN/ARC port and an Optical Digital Audio Input on it. It can be paired with some Sound Bars that support Bluetooth, so if your Sound Bar supports Bluetooth, you can look to see if you can pair with the TV. The HDMI IN/ARC port on the TV can be connected to any Sound Bar that has an HDMI port that supports HDMI ARC functionality. HDMI ARC functionality allows you send audio upstream or downstream between two devices that support HDMI ARC functionality. IT also has an Optical Digital Audio Output that can be connected to any Sound Bar that has an Optical Digital Audio Input using the appropriate cable necessary to make the connection...^IFV
Answered by: LGJoel
Date published: 2018-01-22

I am looking for LG 55uh7650 4k wanting to no a lol about t.v. what all it does and my options it's almost one year old.thanks for your time.

Asked by: Kendo79
You can find information about the 55UH7650 here This page shows the features and specs you are interested in. If you are in need of any assistance, have additional questions, or would just like to see our helpful tips, check us out on Twitter @LGUSSupport ^CP
Answered by: ChrisPSM
Date published: 2017-12-21

How to reboot after an update

Asked by: Anarai
To reboot after an update you can simply turn the TV off and wait approximately 30 seconds before powering the unit back on. ^CP
Answered by: ChrisPSM
Date published: 2017-11-28

Which Magic Remote works with this TV?

Asked by: JanicaJ
The LG 4K UHD HDR Smart LED TV - 75" Class (74.5" Diag), Model # 75UJ6450 is a 2017 TV and will be compatible with the LG Magic Remote Control with Voice Mate™ for Select 2017 Smart TVs, Model # AN-MR650A...^IFV
Answered by: LGJoel
Date published: 2018-02-20

Does it have 3D or can firmware be updated to allow 3D?

Asked by: newLG
Neither the LG 4K UHD HDR Smart LED TV - 75" Class (74.5" Diag), Model # 75UJ6450 nor any of the 2017 LG TV lineup support 3D. Select TVs from our 2016 lineup were the last TVs to support 3D and some of those carried over to 2017. 3D requires a hardware change and cannot be achieved with a firmware upgrade...^IFV
Answered by: LGJoel
Date published: 2018-01-20

Can i use audio to a bluetooth headphone simultaneously with optical output to a soundbar?

Asked by: Indydealmaker
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