LG 55UK6400PLF 55" Ultra HD 4K LED Smart TV

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Product Information

  • IPS 4K Display
  • Active HDR
  • True Colour Accuracy
  • AI TV
  • Ultra Surround
  • Modern TV Design

A New Standard of Definition.

A new depth of detail. ULTRA HD 4K resolution is four times that of Full HD producing brilliant clarity and vivid details that amaze, even when viewed up close. This level of detail is well suited to modern home entertainment, sports and gaming; the resulting images will redefine your viewing experience. 

A vibrant and vivid picture from any angle

Our latest Ultra HD innovation is built into the unique IPS 4K panel meaning your entertainment is viewable from any angle without distortion.

More power to process

To support the advanced picture processing required for bright, sharp 4K images there are 4 cores of processing power available at the heart of this LG TV. A fast and powerful brain to make sure you have the best possible picture. 

The Ultimate HDR 4K Picture

This advanced HDR technology can adapt to a variety of HDR formats and provides scene by scene image mastering, delivering pinpoint picture reproduction. Active HDR is better HDR. 

Multi-channel bringing encapsulating sound effect

Great television deserves great audio. This sound technology creates virtual multi channels which produce the ultra surround effect.

Masterfully modern design.

A stylish frame is wrapped around your television Complimented by an elegant sweeping stand. This sleek design adds a touch of real class to any living room.


Display TypeLED
Screen Size55
Resolution3840 x 2160
IPS PanelYes
Viewing AngleWide Viewing Angle
Wide Colour GamutWide Colour Gamut
BLU TypeDirect
TruMotion / Refresh RateTM100 (Refresh Rate 50Hz)

HDR4K Active HDR
HDR10 ProYes
HDR EffectYes
Picture Master ProcessorQuad Core Processor
Colour EnhancerDynamic Colour
Colour AccuracyTrue Colour Accuracy
Upscaler4K Upscaler
Noise ReductionNR
Dynamic Tone MappingDynamic Tone Mappng
HEVC4K@60P, 10bit
VP94K@60p, 10bit
SHVC4K@60p, 10bit

Smart TV
Operating System (OS)webOS Smart TV
Number of CPUsQuad
Magic Remote ControlReady (Not supplied with the television)
Quick AccessYes
Focus ZoomReady (Requires LG Magic Remote, not supplied with the television)
Live ZoomYes
Universal ControlReady (Requires LG Magic Remote, not supplied with the television)
Intelligent Voice RecognitionYes (Requires LG Magic Remote – not supplied with the television) ※ Support 10 languages : Korean, English (USA, UK, Australia, Canada), German, Italian, French, Spanish (Spain, Mexico), Portuguese (Brazil), Polish, Turkish, Russian
Audio Guidance(Text To Speech)Yes
LG Content StoreYes
Web BrowserYes
Music PlayerYes
My ContentYes
My ChannelsYes
Channel AdvisorYes

HDMI1 (Rear) / 2 (Side)
Simplink (HDMI CEC)Yes
ARC (Audio Return Channel)Yes (Side, HDMI 2)
USB1 (Rear) / 1 (Side)
LANYes (Rear)
ComponentYes (Rear, Component in/AV in common)
Composite In (AV)Yes (Rear, Component in/AV in common)
CI SlotYes (Side)
RF In2 (Rear, RF/Sat)
SPDIF (Optical Digital Audio Out)Yes (Rear)
WifiYes (802.11ac)
Wi-fi DirectYes
BluetoothYes (V4.2)

Dimensions - WxHxD (mm)
Size W/O Carton, W/O Stand1247 x 729 x 89
Size W/O Carton, With Stand1247 x 785 x 259
Size W/ Carton, With Stand1360 x 860 x 190
VESA300 x 300
  • Model: 55UK6400PLF
  • Manufacturer:LG