Die-Cast Aluminum Outdoor LED Display Structure

The PH3.91 outdoor LED display adopts die-cast aluminum LED modules combined with an aluminum profile cabinet, delivering excellent structural stability and long-term flatness. This professional outdoor LED screen design effectively prevents deformation under continuous outdoor use, making it ideal for large-scale LED video wall installations.

IP66 Waterproof Outdoor LED Display for Harsh Environments

Built for demanding outdoor applications, the PH3.91 LED display achieves IP66 protection with a full aluminum cabinet. It is resistant to water, dust, corrosion, and salt spray, operating reliably from -40°C to 80°C. The product supports CE, FCC, UL, and EMC certifications for global markets.

Modular Outdoor LED Display with Flexible Installation

Featuring a fully modular LED display design, the cabinet, LED modules, and power box support front and rear maintenance. The system allows top, bottom, left, and right cable routing, making it suitable for wall-mounted LED screens, frame installations, and complex outdoor LED display projects.

Four-Level Intelligent Energy-Saving System

High-Performance LED Display Driving Technology

Equipped with advanced LED driving ICs, the PH3.91 delivers up to 7680Hz refresh rate, 16-bit grayscale, and high contrast ratio. Features such as low-gray color correction and line-blanking optimization ensure smooth video playback, uniform brightness, and excellent viewing angles exceeding 140°.

Fanless Outdoor LED Display Thermal Management

With a dual-layer power supply design and high thermal conductivity aluminum modules, this fanless outdoor LED display achieves efficient heat dissipation without air conditioning or cooling fans. The result is silent operation, improved reliability, and extended service life in 24/7 outdoor environments.

Common Cathode Energy-Saving LED Technology

The PH3.91 LED display uses true common cathode LED technology, which reduces power consumption by more than 20% compared to traditional common anode LED screens. Lower operating temperatures improve system reliability, making it a cost-effective outdoor LED display solution for long-term operation.

High Brightness, Better Quality

Installing at outdoor places require the displays to produce high brightness outputs. The high brightness and high definition features of the PH3.91 LED Display Price ensures great quality pictures - making it a perfect fit for stage, banks, highways, promotion, station, stadium and other outdoor places.

Seamless 90-Degree Corner LED Display Support

The PH3.91 outdoor LED screen supports seamless 90-degree corner splicing, enabling creative LED video wall designs and naked-eye 3D LED display applications. This makes it a strong solution for brand advertising LED displays and commercial visual installations.

LED module has excellent heat dissipation performance, long-lasting and stable

Our LED module uses an aluminum alloy bottom shell with excellent heat dissipation performance to ensure that the screen always maintains stable performance during continuous operation. This will extend the life of the product and reduce repair and replacement costs.

We have a considerate pre-sales/after-sales service team with 15 years of experience.

Professional team is ready to provide you with considerate pre-sales consultation to help you choose the most suitable solution. Our after-sales service is even more considerate and considerate, providing regular maintenance and lifelong technical support for your screen, so that you have no worries about your investment.

Our Company Building

Our company is built on values, and those values reflect from our product quality, support service and customer care. Have a look at our company building. This is the place where we create best quality products that have passed certifications like CE, FCC, RoSH and SGS and many more.

Best Quality Guaranteed

Quality is the word we live by. Our "Quality Management, Continual Improvement, Excellent Service, Quick Response" are strictly followed throughout the process. Our products have passed many certifications including CE, FCC, RoSH and SGS certification and many more. So you may always rest assured about best quality products.

Best After-sale Service

If your PH10 LED Display is defected and is in warranty period, we offer you free accessories for the product. Whenever you need us, we are always there for you. Our support staff is more than willing to assist you for any query or concern. Feel free to contact us any time.

Fastest Delivery and Best Online Services

OptoKingdom provides best online services to the customers, and we are always ready to assist you when you need us. Also, we take great care of the safety of the products. Our company is located just five-minute drive from airport and port. We work with the leading logistics who ensure fastest and safest delivery of your products.