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Key Feature
- Brightness(Typ.) : 400 nits
- Resolution : 4K Ultra HD (3,840 x 2,160)
- Improved Design with Slim Depth
- webOS-based High Performance
- Easy Content Management / Group Management
- SuperSign Control+ (Free version) / CMS Compatibility


LG TV Signage with Essential Function
* All images in this web page are for illustrative purposes only.Superb Picture Quality with Ultra HD Resolution
With the resolution that is 4 times higher than FHD, it makes the color and details of the contents more vivid and realistic.
Improved Design with Slim Depth
This series is thinner than LG conventional* model to save space and enable easy installation. In addition, its sophisticated ahsed blue color improves the décor of the space where the product is installed.* 'LG Conventional' refers to LG UT640S series.



High-Performance with LG webOS22
LG webOS22, with an upgraded SoC* and web engine, is available on the UN640S series for the easy execution of several tasks. The LG webOS smart signage platform enhances user convenience with an intuitive GUI.*** SoC : System On Chip
** GUI : Graphical User Interface
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
Embedded Content &
Group Management
The embedded Content and Group Management System allows you to edit and play content, schedule playlists and groups, and
control signage via remote control, mouse and mobile phone without the use of separate PC or software. This makes content
management easy and user-friendly.
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
Versatile Content Management with LG SuperSign CMS
LG SuperSign CMS is integrated management program supporting creation and management of digital media and content deployment, optimized for LG signage. With its simple and intuitive menus and layout options, it enhances efficiency for content creation and editing, scheduling and distribution, improving user experience. In addition, it supports multiple displays and accounts, is able to be linked to external databases, and allows server access from mobile devices.* LG SuperSign CMS is sold separately
Easy Group Control
The UN640S series supports SuperSign Control+ Free version which can manage up to 100 displays through a single account and server. Power, volume, and scheduling can be remotely adjusted, and firmware updates supported.
Compatible with AV Control Systems
The UN640S series supports Crestron Connected® * for high compatibility with professional AV controls to achieve seamless integration and automated control**, boosting business management efficiency.* Initial setting from display is required for Crestron Connected® compatibility.
** Network based control
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Compatible with Video Conference System
For effective visual meeting, the UN640S series supports its compatibility* with Cisco solutions that offers powerful and integrated control** for a smarter video conference.* Cisco compatibility will be certified in Q3 of 2023.
** Using an HDMI cable connection (HDMI cable is optional)

Display Power Management Support
Display Power Management (DPM) can be configured to be on only when there is a TV signal present to manage power more efficiently.


Real-time Promotion &
Content Sharing
With Beacon and Bluetooth® Low Energy (BLE), shop managers can provide coupons and information in real-time. And Content Mirroring among devices is available on a same Wi-Fi network.
Wireless Access Point
UN640S series operates as a virtual router which can be an wireless access point for mobile devices.
Easy Menu Setup for Vertical Needs
UN640S series increases users' convenience by organizing frequently used menus* by industry.* Pre-set Support Vertical : Corporate / Government / Retail, Meeting room

Real-time LG ConnectedCare Service
Maintenance is easy and fast with the optional LG ConnectedCare* service, a cloud service solution provided by LG. It remotely manages the status of displays in client workplaces for fault diagnosis and remote-control services, supporting the stable operation of clients' businesses.* The availability of the 'LG ConnectedCare' service differs by region, and it needs to be purchased separately. So please contact the LG sales representative in your region for more details.

Tech Spec
Design
Front Color | Ashed Blue |
---|---|
Stand Type | 2 pole |
Display
Inch | 65” |
---|---|
Resolution | 3,840 x 2,160 (4K UHD) |
Video
HDR (Dolby Vision / 10 Pro / HLG) | No / Yes / Yes |
---|
Audio
Audio Output | 20 W |
---|---|
LG Sound Sync | Yes |
Broadcasting System
Digital | DVB-T2 / C / S2 |
---|---|
Analog (NTSC / SECAM / PAL) | SECAM / PAL |
Teletext (Auto Teletext) | Yes |
Smart Function
webOS22, Web Browser, Mood Display, Wi-Fi, Bluetooth, SoftAP, Screen Share, DIAL, Bluetooth Audio Playback, HDMI-ARC (HDMI2) |
Hospitality Feature
USB Cloning, WOL, SNMP, Simplink (HDMI-CEC) (1.4), IR Out (RS-232C, HDMI), Multi IR Code, Hotel Mode / PDM / Installer Menu, Welcome Screen (Splash Image), Insert Image, One Channel Map, External Speaker Out, Moving Picture Playback (SD/HD/Plus HD), Port Block, Lock Mode (Limited), RJP (Remote Jack Pack) Compatibility, Energy Saving Mode |
Vertical Function
Vertical Setup, Fail Over, Play via URL, NTP Server Setting, CISCO Certi. Compatibility (23Y Q3) (TBD), Crestron Certi. Compatibility, DPM (Digital Power Management), Time Scheduler, RTC (Real Time Clock), NTP Sync Timer, BEACON, Embedded CM (Contents Manager), Embedded GM (Group Manager) |
SuperSign SW Compatibility
Control+ (Free Version), CMS (Premium), LG ConnectedCare |
Dimension
VESA Compatible | 300 × 300 mm |
---|---|
W x H x D / weight (with stand) | 1,454 × 899 × 271 mm / 21.8 kg |
W x H x D / weight (without stand) | 1,454 × 838 × 57.7 mm / 21.5 kg |
W x H x D / weight (Shipping) | 1,600 × 970 × 172 mm / 27.8 kg |
On Bezel Width (L/R/U/B) | 12.8 / 12.8 / 12.8 / 19.9 mm |
Off Bezel Width (L/R/U/B) | 6.8 / 6.8 / 6.8 / 18.4 mm |
Power
Power Supply (Voltage, Hz) | AC 100-240 V ~, 50-60 Hz |
---|---|
Power Consumption (Typ. / Max.) | 144 W / 164 W |
Standby Power Consumption | Under 0.5 W |
Accessory
Remote type | S-con |
---|---|
Power Cable | 1.5 m / Detached / Straight Type |
Required Listing (Certification)
Safety | CB, CU TR |
---|---|
EMC | CE |
SDR Grade | F |
SDR On mode | 100 W |
HDR Grade | - |
HDR On mode | 144 W |
Business Resources
To download product manuals, please visit the Manual Download Page (Click).
Screen images are simulated and/or dramatized. Some features in videos may not be available on all models. Please refer to the TECHNICAL SPECIFICATIONS tab for a complete list of features by model.