LG 55XE3C (Discontinued) · Replacements in Qatar

Name: LG 55XE3C 55-inch Window Facing Outdoor Display
Brand: LG
SKU: lg-55xe3c
Availability: Discontinued

Overview

The LG 55XE3C is a 55-inch outdoor display built to sit in a window and show content toward the street. It offers 3,000 cd/m² typical brightness with protective glass, an IPS panel, an auto brightness sensor and an IP56 sealed design. LG has discontinued this model, so SmartRooms Qatar can quote a current equivalent or compatible replacement for shopfronts, banks and hotels across Qatar.

What the LG 55XE3C is and why its status matters

The LG 55XE3C is a 55-inch class digital signage display designed for a window position, facing outward so that people on the street or a covered walkway can see the content. LG has discontinued this model. The information below is written for organisations that already run the unit, buyers comparing it with newer displays, and anyone searching for a replacement. SmartRooms Qatar can quote a current equivalent or a compatible replacement for the same role.

Brightness, viewing angles and sunglasses-friendly visibility

The panel is a 1,920 x 1,080 full HD IPS display with a typical brightness of 3,000 cd/m² when protective glass is fitted. An auto brightness sensor reads the surrounding light, raises output when the street is bright and lowers it in darkness to reduce power use. IPS technology keeps colours consistent from wide viewing angles, which helps a shopfront where people approach from several directions. A quarter wave plate layer keeps the picture readable for viewers wearing polarized sunglasses, a common sight in Qatar's strong sunlight.

Sealing, cooling and the operating range

The XE series uses an IP56 sealed design. Conformal coating covers every major circuit board to protect electronics from dust, humidity and iron powder. The thermal management system is designed to remove heat from each part of the panel without drawing outside air inside. The rated operating range is -30 °C to 50 °C with 5% to 100% humidity. That upper limit sits above the summer temperatures above 45 °C that many Qatari sites face, but enclosure and ventilation should still be confirmed with the SmartRooms Qatar team before installation.

Where it fits in Qatar

Shopfront in West Bay or Lusail: a retail unit with a street-facing window that shows promotions by day and after dark, with the sensor adjusting brightness automatically.
Bank branch or office in Al Rayyan or Msheireb: a window display visible from the pavement, where the 70 kg head must be carried by a suitably reinforced frame.
Covered outdoor walkway at a venue in Lusail or Education City: a location where the sealed design and rated temperature range matter more than they would for an indoor screen.

What to plan for before ordering

Head weight of 70 kg, and overall size of 745.3 x 1,345.4 x 160.0 mm.
Bezel of 66.4 mm top and bottom and 31.0 mm on each side.
Power input of 100-240V~, 50/60Hz with built-in power.
Optional ST-550X enclosure stand for free-standing use and cable management.

A free site survey is recommended before wall or window mounting, so the structure, glare and cable routes are checked first. Request a quote from SmartRooms Qatar and our team will confirm the configuration and the current replacement options for your site.

Highlights

3,000 cd/m² typical brightness with protective glass fitted
Auto brightness sensor adjusts output to surrounding light
IPS panel with QWP layer for polarized sunglasses viewing
IP56 sealed design with conformal-coated circuit boards
Rated operating range of -30 °C to 50 °C
Embedded web monitoring of temperature, door and ambient light

Estimated timeline

Quotation within 1 working day · delivery timing depends on stock availability, and we confirm it with your quotation.

Specifications

22 specifications · Source: manufacturer · checked Oct 2026

PANEL3

Screen Size: 55" Class (54.64" measured diagonal)
Native Resolution: 1,920 x 1,080 (FHD), M+
Brightness(Typ., with Protective Glass, cd/m²): 3000

CONNECTIVITY3

Input: HDMI, DP, DVI-D, Audio In, USB 3.0, SD Card
Output: DP, External Speaker
External Control: RS232C in/out, RJ45 in

PHYSICAL SPECIFICATION3

Bezel Width: 66.4 mm (T/B), 31.0 mm (L/R)
Monitor Dimension (W x H x D): 745.3 x 1,345.4 x 160.0 mm
Weight (Head): 70 kg

ENVIRONMENT CONDITIONS2

Operation Temperature: -30 °C to 50 °C
Operation Humidity: 5 % to 100 %

POWER2

Power Supply: 100-240V~, 50/60Hz
Power Type: Built-In Power

STANDARD(CERTIFICATION)3

Safety: UL / cUL / CB
EMC: FCC Class "A" / CE / KCC
ErP / Energy Star: No / No

MEDIA PLAYER COMPATIBILITY2

OPS Type Compatible: No
External Media Player Attatchable: No

SOFTWARE COMPATIBILITY2

Content Management Software: SuperSign CMS
Control and Monitoring Software: SuperSign C

ACCESSORY2

Basic: Remote controller, EIG, ESG, Regulation book, Phone to RS232C gender, USB cable, HDMI cable
Optional: Enclosure Stand (ST-550X)

Downloads

6 files from the manufacturer

PDF Manuals & guides · Opens on manufacturer site MFL69720611_07_240513_b.pdf 4.8 MB PDF Manuals & guides · Opens on manufacturer site OM_ARA.pdf 3.9 MB PDF Manuals & guides · Opens on manufacturer site OM_ENG.pdf 4.0 MB URL Manuals & guides · Opens on manufacturer site User Guide PDF Manuals & guides · Opens on manufacturer site webOS 3.0_UG_ENG.pdf 5.7 MB URL Software & firmware · Opens on manufacturer site Software & Drivers (support page)

Questions about 55XE3C

What does the discontinued status mean for buyers of the LG 55XE3C?

LG has discontinued the 55XE3C, so it is no longer offered as a new model by the manufacturer. Organisations that already own units can still use the specifications listed here for planning spares and maintenance. SmartRooms Qatar can quote a current equivalent or a compatible replacement for the same window-facing role, sized and specified for your site.

What should I compare when looking for a replacement for the 55XE3C?

Compare typical brightness with protective glass, the operating temperature range, the sealing rating, and whether the panel supports window-facing outdoor use. The 55XE3C lists 3,000 cd/m², -30 °C to 50 °C, and an IP56 design, so replacements should match or exceed these. Ask SmartRooms Qatar for a quote that lists these figures side by side.

Will the LG 55XE3C suit a shopfront in West Bay or Lusail that faces the street?

Yes, the unit was designed for a window position facing outward. Its auto brightness sensor raises output in daylight and lowers it at night, which suits a shop that changes content through the day and evening. Before ordering, confirm the window frame, glazing and power access with the SmartRooms Qatar team, who usually provide a quotation within one working day.

Is the 55XE3C bright enough for a bank branch window that gets direct sun?

The panel has a typical brightness of 3,000 cd/m² when protective glass is fitted, and its auto brightness sensor adjusts output to the surrounding light. For a branch in Al Rayyan or a similar location with strong direct sun, the window orientation and glare should be reviewed on a site visit. SmartRooms Qatar offers a free site survey to check this before you commit.

Can people wearing polarized sunglasses read the screen?

Yes. The panel includes a quarter wave plate and film-type patterned retarder layer, which the manufacturer designed to keep the picture visible when a viewer wears polarized sunglasses. This matters on sunny Qatari streets and walkways, where drivers and pedestrians often wear sunglasses. Ask for a quotation from SmartRooms Qatar to discuss mounting height and angle for your location.

Will the 55XE3C cope with a Doha summer in an outdoor setting?

The rated operating range is -30 °C to 50 °C with 5% to 100% humidity, and the panel uses thermal management and conformal-coated circuit boards. The upper limit is above the summer temperatures above 45 °C common in Doha. Enclosure, ventilation and shade should still be confirmed on site, so request a quote and ask the SmartRooms Qatar team to review your location.

Is the IP56 rating enough for a dusty site near Mesaieed or the Industrial Area?

The XE series is listed with an IP56 sealed design and conformal coating on each major circuit board, which protects against dust, humidity and iron powder. Dust storms and fine industrial dust can still build up around cable entries and mounting points, so a site survey is important. Request a quote from SmartRooms Qatar and describe the exposure so the installation plan can address it.

What connections does the LG 55XE3C offer for laptops and media sources?

Inputs include HDMI, DisplayPort, DVI-D, audio in, USB 3.0 and an SD card slot. The output side offers a DisplayPort output and an external speaker connection. The basic accessories include an HDMI cable and a USB cable. Check your source devices against these ports before ordering, and ask SmartRooms Qatar to confirm the cable runs for your window location.

Can I attach an OPS computer or an external media player to the 55XE3C?

No. The source data lists the 55XE3C as not compatible with OPS slot computers and not able to take an attached external media player. Content must therefore come from a connected source or from the SD card input. If you plan to run content from a PC or player, plan for it through the HDMI, DisplayPort or DVI-D inputs instead.

How is the 55XE3C managed remotely, and which software works with it?

The panel has RS232C in and out ports and an RJ45 input for external control, plus embedded web monitoring that reports temperature, pixel, door, ambient light and gyro sensor data. The listed software is SuperSign CMS for content management and SuperSign C for control and monitoring. Facilities teams running several windows across a site can use these for centralised oversight.

How heavy is the 55XE3C and what should a window frame or wall carry?

The head weighs 70 kg and measures 745.3 x 1,345.4 x 160.0 mm. A structure in a shopfront or wall must be checked for that load before installation, including fixings and clearance for cables. SmartRooms Qatar offers free site surveys for this purpose, so the mounting details can be confirmed before equipment arrives on site.

Can a government office or school buy the 55XE3C through an LPO or tender?

Yes. SmartRooms Qatar supplies government and public-sector buyers through purchase orders (LPOs) and government tenders, including Monaqasat, and accepts payment by bank transfer, cheque or purchase order. Because this model is discontinued, the quotation will cover a current equivalent or compatible replacement. Request a quote and the team will usually respond within one working day.