Digital signage flat panel LG 55UN640S

Name: Digital signage flat panel LG 55UN640S0LD
Brand: LG
SKU: 10737269
Price: 548.49 EUR
Availability: InStock

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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: 3 pcs.

Warranty: 3 Years

SKU: 10737269

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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: Size of the display for this product, measured diagonally, usually in inches.: 55 "
Display resolution: The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.: 3840 x 2160
HD type: Type of supported High Definition (e.g. Full HD, 4K Ultra HD).: 4K Ultra HD
Display technology: The technology used in the display e.g. plasma, LED.: LCD
Power consumption (standby): The amount of electricity that is consumed when the product is on standby.: 0.5 W
Power consumption (typical): Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.: 128 W
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 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
VESA mounting:: Yes
Wi-Fi: Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.: Yes
Ethernet LAN: An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.: Yes
USB port: The device features a socket into which a USB cable can be plugged.: Yes
DisplayPorts quantity: Number of DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.: 0
DVI port: Digital Visual Interface (DVI) is a video display interface to connect a video source to a display device, such as a computer monitor.: No
HDMI ports quantity: The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.: 3
Product design: The creation of a plan or convention for the construction of an object or a system.: Digital signage flat panel
Purpose: What the product is used for.: Universal
Built-in speaker(s): The device contains speaker(s) to produce sound.: Yes
Touchscreen: A screen of a laptop, smartphone, etc., that responds to touch so you can control the interface using your fingers.: No
Product colour: The colour e.g. red, blue, green, black, white.: Blue

All features

Technical details

Real Time Clock (RTC):: Yes

Other features

Power management:: Yes
Bluetooth: Bluetooth is a low-power radio technology developed to replace the cables and wires currently used to link or connect electronic devices such as personal computers, printers, and a wide variety of handheld devices including mobile phones. Because it uses radio-wave connectivity, a Bluetooth-enabled device has a constant, established connection to whatever browser it uses. This saves the user the trouble of logging on to check for emails or news updates, for example.: Yes
Headphone outputs: Number of sockets /ports where headphones are connected.: 1
Teletext function: The TV has Teletext, which is a means of sending text and diagrams to a properly equipped television screen by use of one of the vertical blanking interval lines that together form the dark band dividing pictures horizontally on the television screen. It offers a range of text-based information, typically including news, weather and TV schedules. Subtitle (or closed captioning) information is also transmitted within the television signal (usually accessed by pressing 888 on the remote control.: Yes
Common interface Plus (CI+): In Digital Video Broadcasting, the Common Interface (CI) is a technology which allows separation of conditional access functionality from a digital TV receiver-decoder (Host) into a removable conditional access module (CAM). CI+ or Common Interface Plus implements a form of copy protection between a Conditional Access Module (CAM) and the television receiver (Host). CI+ is backward compatible with CIv1. Old television receivers, which have CIv1 CI-slot, can be used with CI+ CAM and vice versa, but for viewing only those of TV programs which are not marked as CI+ protected.: Yes
Hotel mode:: Yes
Common interface Plus (CI+) version:: 1.4
Timer: A feature that measures a time interval and signals its end.: Yes
Bluetooth Low Energy (BLE):: Yes

Packaging content

Cables included:: AC
Remote control included: Component of an electronics device, most commonly a television set, DVD player and home theater systems originally used for operating the device wirelessly from a short line-of-sight distance.: Yes
Stand included:: Yes

Weight & dimensions

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

Packaging data

Package weight: Weight of the packaged product.: 19000 g
Package height: The distance from the top to the bottom of the packaging.: 810 mm
Package depth: The distance from the front to the back of the packaging.: 162 mm
Package width: The distance from one side of the packaging to the other.: 1360 mm

Power

AC input frequency:: 50-60
AC input voltage: The voltage of the AC electricity that is inputted into the product.: 100-240
Energy consumption (HDR) per 1000 hours: Power consumption in switched-on state expressed in W.: 113 kWh
Energy consumption (SDR) per 1000 hours: Power consumption in switched-on state expressed in W.: 79 kWh
Power consumption (max): The maximum amount of power used by the device.: 155 W
Power consumption (standby): The amount of electricity that is consumed when the product is on standby.: 0.5 W
Power consumption (typical): Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.: 128 W
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 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

Ergonomics

Cable lock slot type:: Kensington
VESA mounting:: Yes

Network

Wi-Fi: Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.: Yes
Ethernet LAN: An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.: Yes

Ports & interfaces

Digital audio out:: 1
RF input:: 2
RS-232C:: Yes
Number of speaker outputs:: 1
Ethernet LAN (RJ-45) ports: Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.: 1
USB ports quantity:: 1
USB port: The device features a socket into which a USB cable can be plugged.: Yes
DisplayPorts quantity: Number of DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.: 0
DVI port: Digital Visual Interface (DVI) is a video display interface to connect a video source to a display device, such as a computer monitor.: No
HDMI version:: 2.0
USB version: Universal Serial Bus (USB) is an industry standard developed in the mid-1990s that defines the interface used for connection, communication and power supply between computers and electronic devices. Every new version - for example 1.1, 2.0, 3.0 - is much faster than the previous one.: 2.0
HDMI ports quantity: The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.: 3

Design

Placement supported: Where the product can be placed e.g. indoor/outdoor, horizontal/vertical.: Indoor
Bezel width (top):: 12.8 mm
Bezel width (side):: 12.8 mm
Bezel width (bottom):: 19.9 mm
Panel mounting interface: The product can be used wih VESA mounting interfaces.: 200 x 200
Orientation:: Horizontal
Colour name:: Ashed Blue
Product colour: The colour e.g. red, blue, green, black, white.: Blue
Product design: The creation of a plan or convention for the construction of an object or a system.: Digital signage flat panel

Multimedia

Audio Return Channel (ARC):: Yes

Computer system

Operating system version: The version of the operating system used e.g. 4.1, 4.2 for Android.: 22
Operating system installed: Type of operating system on a device e.g. IOS on Apple devices, Android for mobile devices.: WebOS

Performance

Browsing:: Yes
Digital signal format system: The protocols supported for exchange of digital signal.: DVB-C, DVB-S2, DVB-T2
Analog signal format system: The supported protocols for exchanging analog signals.: PAL, SECAM
TV tuner integrated: Device has an in-built TV tuner.: Yes
Purpose: What the product is used for.: Universal

Audio

RMS rated power: RMS (Root mean square) is a measure of the continuous power required by a device, in particular audio amplifiers and loudspeakers.: 20 W
Built-in speaker(s): The device contains speaker(s) to produce sound.: Yes

Display

High Dynamic Range (HDR) supported:: Yes
Display diagonal (metric): This is the size of the display screen, measured diagonally.: 138 cm
Native aspect ratio: The aspect ratio is the ratio of the width of an image to its height. The native aspect ratio is the one which the projector/display is particularly designed for. Images shown in native aspect ratio will utilize the entire resolution of the display and achieve maximum brightness. Images shown in other than native aspect ratio will always have less resolution and less brightness than images shown in native aspect ratio.: 16:9
Touchscreen: A screen of a laptop, smartphone, etc., that responds to touch so you can control the interface using your fingers.: No
High Dynamic Range (HDR) technology:: Hybrid Log-Gamma (HLG), High Dynamic Range 10 Pro (HDR10 Pro)
Display brightness: Brightness is the amount of radiating light emitted from the screen. The brightness rating is measured in candellas per square meter, commonly known as 'nits'.: 400 cd/m²
HD type: Type of supported High Definition (e.g. Full HD, 4K Ultra HD).: 4K Ultra HD
Display technology: The technology used in the display e.g. plasma, LED.: LCD
Display diagonal: Size of the display for this product, measured diagonally, usually in inches.: 55 "
Display resolution: The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.: 3840 x 2160

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Instructions

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lg-55UN640S0LD-10737269.pdf

mmo_113690775_1695190849_0186_17902.pdf

lg-55UN640S0LD-10737269(1).pdf

Description

Instructions

mmo_113690775_1695190731_5603_701418.pdf

mmo_113690775_1695190830_5009_17477.png

lg-55UN640S0LD-10737269.pdf

mmo_113690775_1695190849_0186_17902.pdf

lg-55UN640S0LD-10737269(1).pdf

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Warehouse	Stock	Delivery to the store	Store Price
BT19	1	Tomorrow Best delivery	Fast shipping 548.49 € Best price
WH354	2	17.09.2026	786.99 €

Fast shipping

548.49 €

Stock: 1

Delivery Date: Tomorrow Best delivery

Warehouse: BT19

786.99 €

Stock: 2

Delivery Date: 17.09.2026

Warehouse: WH354

Energy label

55UN640S0LD

Model

Device manufacturer code

Manufacturer

Device manufacturer

0.5 W

Power consumption (standby)

The amount of electricity that is consumed when the product is on standby.

128 W

Power consumption (typical)

Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.

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.

Energy efficiency class (SDR)

Yes

Wi-Fi

Popular technology that allows an electronic device to exchange data or connect to the internet wirelessly using radio waves.

Yes

Ethernet LAN

An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.

Yes

USB port

The device features a socket into which a USB cable can be plugged.

DisplayPorts quantity

Number of DisplayPorts. A DisplayPort is a digital display interface developed by the Video Electronics Standards Association (VESA). The interface is primarily used to connect a video source to a display device such as a computer monitor, though it can also be used to carry audio, USB, and other forms of data.

DVI port

Digital Visual Interface (DVI) is a video display interface to connect a video source to a display device, such as a computer monitor.

HDMI ports quantity

The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.

Digital signage flat panel

Product design

The creation of a plan or convention for the construction of an object or a system.

Universal

Purpose

What the product is used for.

Yes

Built-in speaker(s)

The device contains speaker(s) to produce sound.

Touchscreen

A screen of a laptop, smartphone, etc., that responds to touch so you can control the interface using your fingers.

4K Ultra HD

HD type

Type of supported High Definition (e.g. Full HD, 4K Ultra HD).

LCD

Display technology

The technology used in the display e.g. plasma, LED.

55 "

Display diagonal

Size of the display for this product, measured diagonally, usually in inches.

3840 x 2160

Display resolution

The number of distinct pixels in each dimension that can be displayed. It is usually quoted as width × height, with the units in pixels: for example, "1024 × 768" means the width is 1024 pixels and the height is 768 pixels. The higher the number of pixels, the sharper the image.

Blue

Product colour

The colour e.g. red, blue, green, black, white.

Customer reviews

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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 — 3 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 Tomorrow 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:

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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, power consumption (standby), power consumption (typical), energy efficiency class (hdr), energy efficiency class (sdr), vesa mounting, wi-fi, ethernet lan, usb port, displayports quantity, dvi port, hdmi ports quantity, product design, purpose, built-in speaker(s), touchscreen, 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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Digital signage flat panel LG 55UN640S 55" LCD 4K Ultra HD 3840 x 2160

Short description

Product information

Description

Advantages

Suitable for

Key specifications

How to use

Usage recommendations

Specifications

Technical details

Other features

Packaging content

Weight & dimensions

Packaging data

Power

Ergonomics

Network

Ports & interfaces

Design

Multimedia

Computer system

Performance

Audio

Display

Instructions

Description

Instructions

Similar products

Product comparison

Energy label

Customer reviews

Customer questions

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

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

What payment options are available?

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

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

What is the warranty period?

Can the product be returned after purchase?

Where should I contact for warranty service?

How can I tell if this product suits my needs?

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