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LG 55UR78003LK

LG 55UR78003LK TV
SKU: 55UR78003LK

55'' 4K Smart TV, HDR10 Pro, WebOS, 138.8 cm

Screen size
138,8 cm
Panel technology
LED
Screen resolution
3840 x 2160 Pixels
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LG 55UR78003LK TV

Screen size
138,8 cm
Panel technology
LED
Screen resolution
3840 x 2160 Pixels
Refresh rate
60 Hz
HDR formats
High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG)
Number of HDMI ports
3
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Without getting lost in details.

Key registered specifications at a glance. Full technical details below.

01 / Screen size

138,8 cm

Screen size

02 / Panel technology

LED

Panel technology

03 / Screen resolution

3840 x 2160 Pixels

Screen resolution

Technical specifications

Recorded specifications are grouped by product category. Missing data does not imply lack of support.
Screen size
138,8 cm
Screen size
Panel technology
Display resolution
Native refresh rate
4K Video Scaler
Yes
Automatic brightness control
Yes
Display diagonal
139.7 cm (55")
Display resolution
3840 x 2160 pixels
Display technology
LED
Native aspect ratio
Screen shape
HD type
4K Ultra HD
HD type
Native aspect ratio
16:9
Native refresh rate
60 Hz
Automatic brightness control
Yes
Panel mounting interface
300 x 300 mm
Screen shape
Flat
HDR support
Yes
Energy consumption (HDR) per 1000 hours
121 kWh
Energy efficiency class (HDR)
G
High Dynamic Range (HDR) supported
Yes
High Dynamic Range (HDR) technology
High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG)
Game features
Auto Low Latency Mode (ALLM) Game Optimizer HGiG
Operating system
23
Operating system
Internet TV
Supported Video Formats
H.264
Web browser
Yes
Apple AirPlay 2 support
Yes
Apple AirPlay 2 support
Yes
Works with Apple Siri
No
Operating system installed
WebOS
Operating system version
23
Smart TV
Smart TV
Yes
Video Applications
Apple TV, Disney+, Netflix
Video apps
Apple TV, Disney+, Netflix
Video formats supported
H.264
LG technologies (AV/TV)
AI Sound, Game Optimiser, HDR, WOW Interface, WebOS Smart TV, Apple HomeKit ile Uyumlu
LG technologies (AV/TV)
AI Sound, Game Optimiser, HDR, WOW Interface, WebOS Smart TV, Works with Apple HomeKit
RMS rated power
Embedded Subwoofer
No
Audio Return Channel Arc
Yes
Audio decoders
Dolby Digital
Embedded Audio Decoders
Number of speakers
Number of speakers
2
RMS rated power
20 W
Sound Reduction
No
Number of HDMI ports
Number of USB 2.0 ports
Number of Ethernet ports
PC in (D-Sub)
No
RF ports quantity
Common interface (CI)
Yes
Common interface Plus (CI+)
Yes
Digital audio optical out
1
Digital Optical Audio Output
Enhanced Audio Return Channel Earc
Yes
Ethernet LAN (RJ-45) ports
1
HDMI ports quantity
3
HDMI version
2.1
HDMI version
2.1
PC in (D-Sub)
No
RF ports quantity
2
USB 2.0 ports quantity
2
Common interface (CI)
Yes
Common interface Plus (CI+)
Yes
Bluetooth
Bluetooth profiles
A2DP
Bluetooth version
Bluetooth profiles
A2DP
Bluetooth version
5.0
Digital Living Network Alliance (DLNA) certified
Yes
Ethernet LAN
Yes
Ethernet LAN Connection
Yes
Web browser
Yes
Wi-Fi
Remote Control
Yes
1000-Hour Energy Consumption HDR
121 kWh
1000-Hour Energy Consumption SDR
81 kWh
AC input frequency
AC input voltage
AC input frequency
50/60 Hz
AC input voltage
100-240 V
Energy consumption (SDR) per 1000 hours
81 kWh
Energy efficiency class (SDR)
G
Energy Efficiency Class Hdr
G
Energy Efficiency Class SDR
G
Power supply type
Internal
Power Consumption Active
Power supply type
Internal
Desktop stand
Yes
Foot Width
94,8 cm
Depth on Foot Inc
23 cm
Weight With Stand
Weight Without Stand
Frameless design
No
Depth (with stand)
230 mm
Depth (without stand)
57.5 mm
Depth Legged
Depth Without Stand
Desktop stand
Yes
Display diagonal (metric)
138.8 cm
Frameless design
No
Width-Adjustable
1235 mm
Width Without Stand
1235 mm
Height (with stand)
780 mm
Height (without stand)
715 mm
Panorama Mount Interface
Power consumption (standby)
0.5 W
Product colour
Black
Stand depth
23 cm
Stand width
94.8 cm
Length Without Stand
715 mm
VESA mounting
Yes
Vesa Mount
Yes
Weight (with stand)
14.1 kg
Weight (without stand)
14 kg
Width (with stand)
1235 mm
Width (without stand)
1235 mm
Height with Legs
780 mm
Product Color
Image processor
α5 Gen 6 AI Processor 4K
DVD player
No
Works with Samsung Bixby
No
Works with the Google Assistant
No
4K Ultra HD upscaling
Yes
DVD player
No
Game features
Auto Low Latency Mode (ALLM) Game Optimizer HGiG
Noise reduction
No
Picture processor
α5 Gen 6 AI Processor 4K
Works with Apple Siri
No
Digital Living Network Alliance DLNA Certified
Yes
Warranty period
2 Years
Warranty period
2 year(s)
Package depth
162 mm
Package width
1360 mm
Package height
810 mm
Cables included
AC
Package depth
162 mm
Package height
810 mm
Package weight
18.9 kg
Package width
1360 mm
Package weight
18,9 kg
Included Cables
Remote control included
Yes
Soundbar included
No
Soundbar included
No
Product Name
55UR78003LK
GTIN
8806087094763
GTIN EAN UPC
8806087094763
Category
TVs
User Manual (PDF)
/dokumanlar/televizyon/2026/lg/lg-55ur78003lk-tv-1397-cm-55-4k-ultra-hd-smart-tv-wi-fi-siyah-388392/kullanim-kilavuzu.pdf
Brand
LG
Model Series
Sold Markets
Date Added to System
2023-07-19
Production Date
Product Brochure (PDF)
/dokumanlar/televizyon/2026/lg/lg-55ur78003lk-tv-1397-cm-55-4k-ultra-hd-smart-tv-wi-fi-siyah-388392/brosur.pdf
Product Code
55UR78003LK
Built-in subwoofer
No
Works With Google Support
No
Works with Samsung Bixby
No
LG 55UR78003LK TV
LG 55UR78003LK TV