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High brightness 55 inch 4K UHD screen for window facing display

High brightness 55 inch 4K UHD screen for window facing display

RisingStar® 55 inch LC550EGJ-SKA4 sunlight readable display. 4000 nits high brightness, 3840(RGB)×1920 resolution, Hi-Tni solar-resilient for 24/7 outdoor use.

OEM / ODM Manufacturer

Factory Direct

Order & Lead Time

Sample Order 1 Unit MOQ
Bulk Order 10+ Units Tiered Discounts

Need 50+ units? for framework agreements.

Global Shipping Options

Samples ship in ~10 working days; Bulk orders in 15-25 working days.

  • Express: DHL/FedEx door-to-door delivery (5-7 days)
  • Sea Freight: Cost-optimized bulk shipping (30-45 days)
  • Rush Orders: Available upon request for urgent projects

1-3 Year Standard Warranty

3 years for Display Units and 1 year for LCD modules. Extendable to 5 years. Includes 24/7 support, remote troubleshooting, and long-term spare parts availability.

All products are manufactured in our ISO 9001-certified facility.
CE, FCC, RoHS Certified

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The RS550EGJ-GD40 is a powerhouse 55-inch screen that boasts impressive specs. With an 4K high resolution 3840*2160 UHD, 80PPI original panel (LC550EGJ-SKA4), this screen is capable of delivering incredibly lifelike visuals. What sets it apart is the customized backlight from RisingLCD that allows for a whopping 4000nits of brightness. This makes it perfect for situations where high brightness is essential, such as window-facing displays, advertising displays for shops, restaurants, banks, and malls.

Not only does this screen deliver on the visual front, but it is also incredibly practical. The extra wide viewing angle of 89/89/89/89 ensures that everyone in the vicinity will be able to appreciate the stunning visuals. Additionally, the lower power consumption means that it is an economical choice for long-term use.

Overall, the RS550EGJ-GD40 is a versatile and highly practical screen that is perfect for a wide range of businesses. Its high brightness, wide viewing angle, and lower power consumption make it an essential tool for advertising, promotion, and customer engagement.

Main Features:

Panel: A+ TFT LCD (IPS).
Resolution: 3840x2160 (UHD) 80PPI, .

High Brightness: 2500-4000 nits with auto-light sensor.

wide viewing angles:  178° veiw angle
7*24 hours working uninterrupted

The RS550EGJ-GD40 is a versatile and highly practical screen that is perfect for a wide range of businesses. Its high brightness, wide viewing angle, and lower power consumption make it an essential tool for advertising, promotion, and customer engagement.

Screen Diagonal55 inch 
panel noRisingStar
Panel Brand RisingStarLCD
Model NoRS550EGJ-NE40
Active Area 1209.6(W)×680.4(H) mm
Pixels3840(3)×2160, UHD, 80PPI
Physical Size1242.7(H)×718(V)×60.3(D) mm
Pixel Arrangement R.G.B. Vertical Stripe
Display Mode a-Si TFT-LCD, LCM
White Luminance ( Center )4000 cd/m2 (Typ.)  [cd/m2 ] 
Contrast Ratio 1200:1 (Typ.)
Optical Response Time8/10(Typ.)(Tr/Td) ms
Nominal Input Voltage 12.7V (Typ.)
Frame Rate60Hz
Viewing Angle89/89/89/89 (Typ.)(CR≥10)
Weight [g] 14kgs(Typ.)
Interface TypeEPI, 120 pins 
Support Color 1.07B , 72% NTSC
Surface Treatment Hard coating (2H),
RoHS Compliance RoHS Compliance
Operating Temperature-20 ~ 70 °C
Storage Temperature-30 ~ 80 °C
LC550EGJ-SKA4 55 inch high brightness display 55 inch sunlight readable LCD High brightness display Sunlight readable display Outdoor waterproof display

01 / Chassis & Materials

Structural integrity for extreme environments.

Enclosure Grade Medical and Food grade SUS316L Stainless Steel, AL5052 Aluminum, or SECC Galvanized Steel.
Protection Rating Certified IP65 / IP69K waterproof sealing. Mechanical impact protection rated at IK10.
Surface Finish Industrial powder coating (RAL spectrum), sandblasting, and anti-acid marine painting.
Format Architecture Chassis-mount, Open-frame, Panel-mount, and VESA-integrated configurations.

03 / Interface & I/O

Industrial signal and power regulation.

Connectors Support for M12 Aviation Circular Connectors, DB9/RS232, and waterproof RJ45/USB.
Power Regulation Wide voltage DC 9V - 36V input with integrated surge and polarity protection.
Sensor Suite Integrated ambient light sensors, thermal probes, and custom GPIO control protocols.

02 / Optical & Display

Visibility optimization for extreme ambient lighting.

Luminance Output Scalable 1500 - 5000 Nits with integrated Hi-Tni (110°C) anti-blackening technology.
Optical Bonding Full Vacuum Optical Bonding (OCR) — eliminates air gaps, fogging, and maximizes contrast ratio.
Advanced Coating Integrated AR (Anti-Reflective), AG (Anti-Glare), and AF (Anti-Fingerprint) nano-films.

04 / Embedded & Data

Software architecture and data sync.

Operating Systems Full compatibility with Windows 7, 10/11 IoT; Linux support covering the last 3 generations (Ubuntu 20.04, 22.04, 24.04 LTS) and Debian; as well as comprehensive support for Android 11 through 14.
Communication High-speed 4G/5G LTE modules, Dual-band Wi-Fi 6, and Gigabit Ethernet.