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54.64" (1387.80mm diagonal) LS75C Series

  • 55LS75C-B

Key Features

  • IP Streaming Protocol
  • Proxy Server
  • Mirroring
  • Soft AP
  • Simple Installation

IP Streaming Protocol

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

*RTSP (Real-Time Streaming Protocol), RTP (Real-time Transport Protocol), MMS (Microsoft Media Server), HLS (http live streaming)

Secure Communication Protocol

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

*HTTPS: Hypertext Transfer Protocol over Secure Socket Layer

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.)


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

Soft AP

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

Simple Installation

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

Wi-Fi (requires external dongle): (removing Ethernet or RS232C cables) 802.11n (2.4 GHz/5 GHz)


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 connected, the BEACON is available.

* LS75C is enhanced to support ibeacon** and Eddystone***
** iBeacon: Bluetooth Low Energy beacon profile released by Apple in 2013
*** Eddystone: Bluetooth Low Energy beacon profile released by Google in 2015

Slimmer Even Bezel & Depth

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

Detachable Logo

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

Visit our SuperSign Software Center for all the latest software needs

Click here to download SuperSign Software

Screen Size54.64 inches (1387.80mm) diagonal
Panel TechnologyIPS
Aspect Ratio16 : 9
Native Resolution1,920 x 1,080 (FHD)
Brightness700 cd/m2
Contrast Ratio1,300:1
Viewing Angle (HxV)178 x 178
Response Time1 ms (G to G), 8 ms (MPRT)
Surface TreatmentHard Coating (3H), Anti-Glare Treatment of the Front Polarizer (Haze 10%)
Life time (Typ.)50,000 Hrs min.
Operation Hours24 Hrs / 7 Days
OrientationPortrait & Landscape
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
Bezel ColorBlack
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
Monitor with Optional Stand Dimensions (W x H x D)1,230 x 776 x 298 mm
Weight (Head+Stand)22.1 kg
Carton Dimensions (W x H x D)1,330 x 815 x 174 mm
Packed Weight25.2 kg
VESA Standard Mount Interface400mm x 400mm
YesTemperature sensor, Auto brightness sensor, Tile Mode, DPM select, DPM wake up, Energy saving, Smart energy saving, File play with USB, PIP/PBP(2), Internal memory 16GB (System 4GB + Available 12GB), Wi-Fi dongle ready (802.11n) , USB cloning, Fail over
Operating Temperature0°C t o 40°C
Operating Humidity10% t o 80%
Power Supply100-240V~, 50/60Hz
Power TypeBuilt-In Power
Power Consumption-Typ140 W (TBD)
Power Consumption Smart Energy Saving100 W (TBD)
SafetyUL / cUL / CB / TUV / KC
EMCFCC Class "A" / CE / KCC
ErP / Energy StarNA / Yes (Energy Star 7.0)
OPS Type CompatibleYes
External Media player AttachableYes (MP500/MP700)
SuperSign W/LiteYes
SuperSign CYes
BasicRemote controller (2ea batteries included), Power cord, IR/Light sensor receiver, QSG, Regular book (depend on regional standard), HDMI cable
OptionalSP-2100 (External speaker), ST-200T, AN-WF500 (Wi-Fi USB dongle), KT-OPSA (OPS kits), KT-SP0 (Pixel sensor)
55LS75C-B7 191926 0629 6


Simply choose a support option from the icons below:

LG Enhanced Service Plan (ESP)
LG's Enhanced Service Plan protects your investment by offering extended service coverage provided by LG for commercial displays in the hospitality, healthcare, and digital signage markets. By offering this program, you will enjoy the added peace of mind that comes with knowing your products are protected.
Quick Swap (Advanced Exchange)
Minimizes down time of device and quickly gets the device up and running. LG will provide a return box and prepaid return shipping label for customer to return the unit. Service call for Advanced Exchange must be made by 2pm CST.
a. Next Business Day Exchange
b. 2nd Business Day Delivery
White-Glove Quick Swap (Advanced Exchange)
An LG authorized technician will meet you onsite. Technicians will remove, re-install and return product. Service calls for Advanced Exchange delivery must be made by 2pm CST.
a. Next Business Day Exchange
b. 2nd Business Day Delivery

For more information, click here: