Technical Advantages of COB Fine-Pitch LED Display – Featuring Haisheng LED PH1.25 & PH1.56 Series

As the demand for ultra-high-definition display solutions continues to rise across multiple industries, the expectations for clarity, reliability, and adaptability of LED technology have become more stringent. Haisheng LED responds to this market evolution with its COB (Chip on Board) fine-pitch LED display solutions—the PH1.25 and PH1.56 models—designed to meet the high standards of control rooms, conference systems, high-end commercial displays, and more.

1. COB Packaging Innovation – A New Benchmark in Display Reliability

COB technology directly mounts LED chips onto the PCB board, streamlining the packaging process and enhancing display performance. Compared to traditional SMD solutions, COB offers key technical advantages:

• Enhanced protection with integrated dustproof, waterproof, and anti-collision features;

• Ultra-fine pixel pitch enabling higher resolution and better image quality;

• Reduced failure rates with improved chip bonding reliability;

• Dual maintenance access (front and rear), ideal for space-limited installation environments.

2. Core Features of PH1.25 and PH1.56 COB LED Displays

● Superior Visual Clarity

Equipped with high refresh rates and true 16-bit grayscale, both models offer ultra-clear visuals with vivid color reproduction—suitable for 4K and 8K display applications.

● Industrial-Grade Protection

The one-piece COB encapsulation provides excellent impact resistance, making it ideal for frequent-use environments such as exhibitions and mission-critical applications.

● Front & Rear Maintenance Flexibility

Modules support dual-sided access, significantly easing installation and post-sale maintenance in embedded or wall-mounted display systems.

● Stable Low-Brightness Performance

At brightness levels as low as 300–600 nits, the displays maintain exceptional grayscale levels, ensuring rich detail in low-light environments such as control rooms and meeting spaces.

3. Wide Range of Applications Across Industries

Haisheng LED’s COB series PH1.25 and PH1.56 are widely adopted in:

• Command & Control Centers (public safety, traffic, energy management)

• Corporate Conference Systems

• Broadcast Studios and Visualization Rooms

• Luxury Retail and Exhibition Halls

• Medical Imaging & Data Visualization

These products have passed rigorous performance evaluations and deliver reliable, stable operation across global projects.

4. Conclusion – COB is Shaping the Future of Fine-Pitch LED Displays

COB technology is setting new standards for fine-pitch LED displays. At Haisheng LED, we are committed to advancing innovation and delivering display solutions that exceed market expectations. The PH1.25 and PH1.56 not only demonstrate the maturity of COB encapsulation but also provide long-term performance and visual excellence for professional applications.