b2b_global_Skip to Contents

To properly experience our LG.com website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE9 or greater).

The LG.com website utilizes responsive design to provide convenient experience that conforms to your devices screen size. In order to get the best possible experience our LG.COM website please follow below instructions.

If you’re using Internet Explorer 8 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE9 or greater).

If you’re using Internet Explorer 9 and higher, turn off your Internet Explorer browser’s “Compatibility View settings” by following steps below:

  • Right click at the top of your browser and make sure the “Menu Bar” option is selected
  • Select “Tools” from the menu bar and then select “Compatibility View settings”
  • In the pop-up menu uncheck all three boxes and click “Close”
  • Your browser window will automatically refresh and you’ll be ready to go

Standard Premium LS75C Series

  • 55LS75C

Key Features

  • Brightness : 700 cd/m2
  • Bezel : 7.4 mm Even Bezel
  • Depth : 32 mm
  • Interface : HDMI (2) / DVI / DP / RGB / RJ45 / IR / Light Sensor / RS232C / Pixel sensor / USB 3.0 / Audio In

Smart Platform

Quad Core SoC*

The high-performance SoC can execute several tasks at the same time and provides smooth content playback.

Smart Platform

webOS 3.0

The webOS 3.0 platform provides powerful and convenient creation tools, including app development materials.

Smart Platform

Group Manager

Content can be created, distributed and controlled by a signage without a dedicated PC or server.

Smart Platform

PBP (Picture-By-Picture) / PIP (Picture-In-Picture)

PBP (Picture-By-Picture) and PIP (Picture-In-Picture) features enable you to compose various layouts for several digital devices.

Support Network Protocol

IP Streaming Protocol

Various types of IP video streaming protocol are supported, such as RTSP/RTP, MMS, HLS and MPEG-2 TS*.

Support Network Protocol

Secure Communication Protocol

By supporting HTTPS* protocol, communication between server and signage is more secure.

Support Network Protocol

Proxy Server

Web access speed and security can be improved by supporting Proxy Server (A server that acts as an intermediary for requests from clients seeking resources from other servers.)

Wireless Solution


Content sharing is more convenient on a Wi-Fi network.

Wireless Solution

Soft AP

The LS75C with Soft AP software can operate as a wireless access point for mobile devices.

Wireless Solution

Simple Installation

Installation has been simplified by removing the external media player and Ethernet/RS232C cables.

Supportive Convenience

 With Beacon and Bluetooth Low Energy (BLE) supported by LS75C*, retail stores can provide coupons and information in real time. When Wi-Fi dongle is connnected, the BEACON is available.

Industrial Design

Slimmer Even Bezel & Depth

The thinner bezel & depth allows a perfect fit for a sleek look.

Industrial Design

Detachable Logo

Portrait mode allows the logo to be positioned in the desired setting.

Screen Size54.64 inches (1387.80mm) diagonal
Resolution1,920 x 1,080 (FHD)
InputHDMI (2), DP, DVI-D, Audio in, OPS
External ControlRS232C in/out, RJ45, IR / Light sensor, Pixel sensor, USB 3.0
OutputDP, External Speaker out
Physical Specification
Bezel Width7.4 mm (T/L/R/B even)
Monitor Dimension (W x H x D)1,230 x 714 x 32 mm
Weight (Head)20.7 kg
VESA™ Standard Mount Interface400mm x 400mm
Power Consumption
Typ.140 W
Smart Energy Saving100 W
Standard (Certification)
SafetyUL / cUL / CB / TUV / KC
EMCFCC Class "A" / CE / KCC
ErP / Energy StarNA / No
Media Player Compatibility
OPS type compatibleYes
External Media player AttatchableYes (MP500/MP700)
Software Compatibility
Content Management SoftwareSuperSign W
Control and Monitoring SoftwareSuperSign C
BasicRemote controller (2ea batteries included), Power cord, IR/Light sensor receiver, QSG, Regular book (depend on regional standard), HDMI cable
OptionalExternal Speaker (SP-2100), Stand(ST-200T), Wall Mount(LSW440S), Wi-Fi USB Dongle (AN-WF500), OPS Kits (KT-OPSA), Pixel Sensor (KT-SP0)