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header-product Digital signage flat panel LG 55UN640S 55" LCD 4K Ultra HD 3840 x 2160
548.49 €

Digital signage flat panel LG 55UN640S 55" LCD 4K Ultra HD 3840 x 2160

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Digital signage flat panel LG 55UN640S Photo 1
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Digital signage flat panel LG 55UN640S Photo 1
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Digital signage flat panel LG 55UN640S Photo 10
Digital signage flat panel LG 55UN640S Photo 11
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Digital signage flat panel LG 55UN640S 55" LCD 4K Ultra HD 3840 x 2160

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Short description

The LG 55UN640S is a 55-inch digital signage flat panel featuring LCD technology with a stunning 4K Ultra HD resolution of 3840 x 2160 pixels. With a brightness of 400 cd/m², it ensures vibrant and clear visuals, making it ideal for various display applications. The built-in Wi-Fi and WebOS operating system provide seamless connectivity and user-friendly interface for easy content management. Its sleek blue design adds a modern touch to any environment.
Available at price 548.49 €: 1 pcs.
Total available for order: 2 pcs.
Warranty: 3 Years
SKU: 10737269
free shipment

Cheapest delivery:

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Pick-up points

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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
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01.07.2026 {{selectedOffer.courierDeliveryString}}
From 14.79 € (Weight: 19.00 kg)
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From 1.89 €
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Product information

Description

The LG 55UN640S is a 55-inch digital signage flat panel with LCD technology and 4K Ultra HD resolution (3840 x 2160). Designed for commercial display use, it delivers detailed images with a brightness of 400 cd/m² and comes with built-in Wi‑Fi and the webOS22 platform for simplified content playback and device management. The panel features a slim depth and an ashed blue finish to reduce installation footprint and blend with interior décor.

Advantages

The UN640S series offers Ultra HD picture quality that reproduces finer color and detail compared with FHD. It integrates LG webOS22 with an upgraded SoC and web engine for smoother multitasking and an intuitive GUI. Embedded Content & Group Management enables content editing, scheduling and playback without a separate PC or software. Additional management options include LG SuperSign CMS support and SuperSign Control+ (free version) for group control of up to 100 displays. The panel supports Crestron Connected and Cisco video conference compatibility, acts as a wireless access point, and supports Beacon/BLE for real‑time promotions.

Suitable for

  • Retail signage and in‑store promotion
  • Corporate lobbies and meeting room displays
  • Government information boards and public spaces
  • Video conferencing and collaboration spaces

Key specifications

  • Display diagonal: 55"
  • Resolution: 3840 x 2160 (4K Ultra HD)
  • Display technology: LCD
  • Brightness: 400 cd/m²
  • Built‑in speakers: Yes
  • VESA mounting: Yes
  • Energy class (SDR/HDR): G / G
  • Energy consumption (per 1000 h): 79 kWh (SDR), 113 kWh (HDR)
  • Product colour: Blue
  • Platform: LG webOS22 (embedded)

How to use

Install the display using compatible VESA mounts and connect power and network (wired or built‑in Wi‑Fi). Use the embedded webOS22 interface or SuperSign applications to upload, schedule and manage content. For group management, register displays in SuperSign Control+ or connect to LG SuperSign CMS (sold separately) to create playlists, set schedules and apply remote settings. For video conferences, connect an external codec or PC via HDMI and enable Cisco compatibility where certified.

Usage recommendations

Configure Display Power Management (DPM) to power the display only when a signal is present, and consider using LG ConnectedCare (optional, region dependent) for remote monitoring and faster maintenance. For multi‑display deployments, test SuperSign Control+ and Crestron integration during initial setup to ensure network‑based control and firmware update workflows operate correctly.

Specifications

Display diagonal: iagonal of the visible part of the screen expressed in centimeters and inches.
55 "
Display resolution:
3840 x 2160
HD type:
4K Ultra HD
Display technology:
LCD
VESA mounting:
Yes
Built-in speaker(s):
Yes
TV tuner integrated:
Yes
Energy efficiency class (SDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy efficiency class (HDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy consumption (SDR) per 1000 hours: Power consumption in switched-on state expressed in W.
79 kWh
Energy consumption (HDR) per 1000 hours: Power consumption in switched-on state expressed in W.
113 kWh
Product colour:
Blue
All features

Display

Display diagonal: iagonal of the visible part of the screen expressed in centimeters and inches.
55 "
Display technology:
LCD
HD type:
4K Ultra HD
Display resolution:
3840 x 2160
Display brightness:
400 cd/m²
Display diagonal (metric):
138 cm
Native aspect ratio:
16:9
Touchscreen:
No
High Dynamic Range (HDR) supported:
Yes
High Dynamic Range (HDR) technology:
High Dynamic Range 10 Pro (HDR10 Pro), Hybrid Log-Gamma (HLG)

Design

Product colour:
Blue
Placement supported:
Indoor
Panel mounting interface:
200 x 200
Product design:
Digital signage flat panel
Bezel width (side):
12.8 mm
Bezel width (top):
12.8 mm
Bezel width (bottom):
19.9 mm
Colour name:
Ashed Blue
Orientation:
Horizontal

Ports & interfaces

DVI port:
No
HDMI ports quantity:
3
DisplayPorts quantity:
0
Ethernet LAN (RJ-45) ports:
1
USB version:
2.0
HDMI version:
2.0
USB ports quantity:
1
Number of speaker outputs:
1
USB port:
Yes
RS-232C:
Yes
RF input:
2
Digital audio out:
1

Ergonomics

Cable lock slot type:
Kensington
VESA mounting:
Yes

Audio

Built-in speaker(s):
Yes

Performance

Analog signal format system:
PAL, SECAM
TV tuner integrated:
Yes
Purpose:
Universal
Operating system installed:
webOS
Browsing:
Yes

Network

Ethernet LAN:
Yes
Wi-Fi:
Yes

Multimedia

RMS rated power:
20 W
Audio Return Channel (ARC):
Yes

Technical details

Real Time Clock (RTC):
Yes

Computer system

Operating system version:
22

Other features

Bluetooth:
Yes
Headphone outputs:
1
Power management:
Yes
Common interface Plus (CI+):
Yes
Hotel mode:
Yes
Teletext function:
Yes
Digital signal format system:
DVB-S2, DVB-C, DVB-T2
Common interface Plus (CI+) version:
1.4
Timer:
Yes
Bluetooth Low Energy (BLE):
Yes

Power

Energy efficiency class (SDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy efficiency class (HDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy consumption (SDR) per 1000 hours: Power consumption in switched-on state expressed in W.
79 kWh
Energy consumption (HDR) per 1000 hours: Power consumption in switched-on state expressed in W.
113 kWh
Power consumption (typical): Power consumption in switched-on state expressed in W.
128 W
Power consumption (standby):
0.5 W
Power consumption (max):
155 W
AC input frequency:
50-60
AC input voltage:
100-240

Weight & dimensions

Weight (with stand):
14200 g
Width (with stand):
1235 mm
Height (with stand):
772 mm
Depth (with stand):
232 mm
Display depth:
57.5 mm
Display height:
715 mm
Display weight:
14000 g
Display width:
1235 mm

Packaging content

Remote control included:
Yes
Cables included:
AC
Stand included:
Yes

Packaging data

Package weight:
19000 g
Package depth:
162 mm
Package height:
810 mm
Package width:
1360 mm

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Stock data
Warehouse Stock Delivery to the store Store Price
BT19 1 Friday Best delivery 548.49 € Best price
WH357 1 15.07.2026 828.99 €
548.49 €
Stock: 1
Delivery Date: Friday Best delivery
Warehouse: BT19
828.99 €
Stock: 1
Delivery Date: 15.07.2026
Warehouse: WH357

Energy label

Energy label
55UN640S0LD
Model

Device manufacturer code

LG
Manufacturer

Device manufacturer

55 "
Display diagonal

iagonal of the visible part of the screen expressed in centimeters and inches.

G
Energy efficiency class (SDR)

Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.

G
Energy efficiency class (HDR)

Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.

79 kWh
Energy consumption (SDR) per 1000 hours

Power consumption in switched-on state expressed in W.

113 kWh
Energy consumption (HDR) per 1000 hours

Power consumption in switched-on state expressed in W.

Customer reviews

Customer questions

FAQ

How much does the Digital signage flat panel LG 55UN640S cost, and is it available for purchase?

The price is 548.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Friday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Digital signage flat panel LG 55UN640S be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Digital signage flat panel LG 55UN640S online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All LG products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized LG service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: display diagonal, display resolution, hd type, display technology, vesa mounting, built-in speaker(s), tv tuner integrated, energy efficiency class (sdr), energy efficiency class (hdr), energy consumption (sdr) per 1000 hours, energy consumption (hdr) per 1000 hours, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Digital signage flat panel LG 55UN640S?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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