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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.

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 update anything in real time. When connected with Wi-Fi dongle, the BEACON is available.

* LS75C is enhanced to support iBeacon** & Eddystone***
** BLE beacon profile released by Apple, 2013
*** BLE beacon profile released by Google, 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.

Screen Size 54.64 inches (1387.80mm) diagonal
Panel Technology IPS
Aspect Ratio 16 : 9
Native Resolution 1,920 x 1,080 (FHD)
Brightness 700 cd/m2
Contrast Ratio 1,300:1
Viewing Angle (HxV) 178 x 178
Response Time 1 ms (G to G), 8 ms (MPRT)
Surface Treatment Hard coating (3H), Anti-glare treatment of the front polarizer (Haze 10%)
Life time (Typ.) 50,000 Hrs min.
Operation Hours 24 Hrs / 7 Days
Orientation Portrait & Landscape
Input HDMI (2), DP, DVI-D, Audio in, OPS
External Control RS232C in/out, RJ45, IR / Light sensor, Pixel sensor, USB 3.0
Output DP, External Speaker out
Bezel Color Black
Bezel Width 7.4 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 Weight 25.2 kg
VESA Standard Mount Interface 400mm x 400mm
Yes Temperature 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 Temperature 0°C t o 40°C
Operating Humidity 10% t o 80%
Power Supply 100-240V~, 50/60Hz
Power Type Built-In Power
Power Consumption-Typ 140 W (TBD)
Power Consumption Smart Energy Saving 100 W (TBD)
Safety UL / cUL / CB / TUV / KC
EMC FCC Class "A" / CE / KCC
ErP / Energy Star NA / Yes (Energy Star 7.0)
OPS type compatible Yes
External Media Player Attachable Yes (MP500/MP700)
SuperSign W/Lite Yes
SuperSign C Yes
Basic Remote controller (2ea batteries included), Power cord, IR/Light sensor receiver, QSG, Regular book (depend on regional standard), HDMI cable
Optional SP-2100 (External speaker), ST-200T, AN-WF500 (Wi-Fi USB dongle), KT-OPSA (OPS kits), KT-SP0 (Pixel sensor)
55LS75C-B 7 191926 0629 6


Simply choose a support option from the icons below:

Business Resources

To access more technical documentation and downloads, please visit the LG B2B Partner Portal.