Description
The LG 55UL3Q-E is a 55-inch 4K UHD (3,840 x 2,160) signage display from the UL3Q Series, with an ADS panel and a direct backlight. It delivers 350 nits of brightness and is rated for 16 hours a day, 7 days a week, in portrait or landscape.
Design:
- Even 10.8 mm bezels on all sides simplify installation.
- Face up/down tilt support of up to 15° helps meet viewers at eye level.
- A front-mounted sensor adjusts brightness to the room automatically.
Platform and security:
- Runs LG webOS 6.1 with 8 GB of internal memory, Wi-Fi and Bluetooth.
- LG’s Enhanced Kernel Protection is backed by ISO/IEC 15408 Common Criteria EAL2 certification.
It is EPEAT registered and backed by a 3-year limited warranty.
Technical Specifications:
| Specification | Details |
|---|---|
| Brand | LG |
| MPN | 55UL3Q-E |
| Series | UL3Q |
| Screen Size | 55" |
| Panel Technology | ADS |
| Backlight | Direct |
| Aspect Ratio | 16:9 |
| Resolution | 3,840 x 2,160 (UHD) |
| Refresh Rate | 60 Hz |
| Brightness (Typ.) | 350 nits |
| Contrast Ratio | 1,200:1 |
| Dynamic Contrast Ratio | 1,000,000:1 |
| Color Gamut | DCI 80% |
| Viewing Angle (H x V) | 178° x 178° |
| Color Depth | 1.07 billion colors |
| Response Time | 8 ms (GtG) |
| Surface Treatment (Haze) | 1% |
| Lifetime | Up to 30,000 hours |
| Operation Hours | 16/7 |
| Portrait / Landscape | Yes / Yes |
| Tilt (Face Up / Face Down) | 15° / 15° |
| Inputs | HDMI x3 (HDCP 2.2/1.4), RS-232C (4-pin phone jack), RJ45 (LAN), USB 2.0 Type-A x2 |
| Outputs | Audio out, RS-232C out |
| Key Features | 8 GB internal memory, Wi-Fi/BT built in, temperature / auto brightness / gyro sensors, webOS 6.1, local contents scheduling, group manager, fail over, RS-232C and local network sync, Screen Share, Video Tag (4), play via URL, screen and input rotation, gapless playback, tile mode (max 15 x 15), setting data cloning, SNMP, ISM method, Crestron Connected, Smart Energy Saving, Wake on LAN, Beacon, HDMI-CEC, webRTC, Pro:Idiom |
| Speakers | 10 W x 2 |
| Bezel | Black, 10.8 mm (even) |
| Weight (Head) | 26.5 lbs (12 kg) |
| Packed Weight | 33.9 lbs (15.4 kg) |
| Monitor Dimensions (W x H x D) | 48.6 x 27.8 x 2.3 in (1234.2 x 706.7 x 58.9 mm) |
| VESA | 300 x 300 mm |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Operating Humidity | 10% to 80% |
| Power Supply | 100 to 240 VAC, 50/60 Hz (built-in) |
| Power Consumption (Typ. / Max.) | 98 W / 154 W |
| Smart Energy Saving (70%) | 68.6 W |
| DPM / Power Off | 0.5 W / 0.5 W |
| Safety / EMC | CB / FCC Class B, CE |
| ERP / Energy Star / EPEAT | Yes / Yes / Yes |
| Conformal Coating (Power Board) | Yes |
| Software Compatibility | SuperSign CMS, SuperSign Control+, SuperSign WB, SuperSign Cloud, Mobile CMS, LG ConnectedCare |
| In the Box | Remote (with 2 batteries), power cord, regulation book, easy setup guide, warranty card, phone to D-Sub 9 gender |
| Warranty | 3-year limited |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
