COB Series — Chip-on-Board LED Display Modules
Advanced COB encapsulation technology for superior protection, contrast, and reliability | The professional's choice for fine-pitch LED
Products in this Series
COB LED Screen Module COB Series
The COB LED screen (Chip On Board Light Emitting Diode) is a revolutionary advancement in display technology that offers unparalleled visual performance and reliability. By employing professional COB correction technology, this display solution optimizes color accuracy, enhances image quality, and provides a range of benefits that make it an ideal choice for various applications. In this article, we will explore the key features, advantages, and applications of the COB LED display.
Why Choose COB Series?
COB technology represents the pinnacle of LED module engineering — delivering unmatched reliability, contrast, and visual quality for the most demanding applications
10000:1 Native Contrast Ratio
COB encapsulation eliminates the air gap between LED die and surface, achieving near-OLED black levels. Deep, inky blacks with zero light bleed between pixels — stunning in dark environments.
IP54 Front Protection, Zero Exposed LEDs
Epoxy encapsulation creates a seamless protective surface with no exposed LED lamp beads. Impervious to dust, moisture, impact, and electrostatic discharge — reliable in uncontrolled environments.
Ultra-Low Dead Pixel Rate
Flip-chip COB LEDs eliminate wire bonds — the #1 failure point in traditional SMD LEDs. Dead pixel rate <1 per million, virtually eliminating the need for post-installation pixel replacement.
Wide 170° Viewing Without Color Shift
The planar COB surface maintains color consistency across 170° horizontal and vertical viewing angles. No color shift, no brightness drop-off — perfect for wide audience coverage.
Smooth, Cleanable Surface
Unlike SMD displays with individual LED domes, COB presents a flat, smooth surface that can be wiped clean with standard cleaning solutions. Hygienic and low-maintenance for healthcare and retail.
Superior Thermal Management
Flip-chip LEDs conduct heat directly into the PCB substrate without wire bonds as thermal bottlenecks. Lower junction temperatures extend LED lifespan beyond 100,000 hours.
Advanced COB Module Engineering
Every COB module is manufactured to exacting standards for the most demanding fine-pitch applications
COB LED Panel Module
Flip-chip Micro LEDs directly bonded to multilayer HDI PCB with precision epoxy encapsulation. Standard module sizes compatible with industry cabinet systems — drop-in upgrade from SMD.
Precision Encapsulation Process
Semiconductor-grade epoxy dispensing in Class 1000 cleanroom. Consistent 0.3mm encapsulation thickness across the entire module surface — zero variation, zero bubbles, zero optical distortion.
High-Density Interconnect PCB
8-layer HDI PCB with micro-via technology, ENIG surface finish, and impedance-controlled differential pairs. Supports pixel densities up to 2.56 million per square meter for P0.6mm fine pitch.
Module-Level Calibration & Testing
Every COB module undergoes 72-hour burn-in, per-pixel brightness and chromaticity calibration, and automated optical inspection before shipping. Individual calibration profiles stored on module memory.
Where COB Series Excels
The definitive choice for environments that demand the absolute best in reliability, image quality, and durability
Command & Control Centers
24/7 mission-critical operation with COB's unmatched reliability. Ultra-low dead pixel rate ensures consistent information display for operators monitoring critical national infrastructure.
Luxury Retail & Brand Experience Centers
10000:1 contrast and near-OLED image quality create breathtaking visual experiences worthy of the world's most prestigious brands. Smooth, cleanable surface maintains showroom perfection.
Broadcast & Media Production Studios
170° color-consistent viewing and anti-moiré surface make COB the ideal choice for camera-facing studio installations. HDR support and wide color gamut meet broadcast compliance standards.
Healthcare & Clean Environments
Seamless, non-porous COB surface can be disinfected with hospital-grade cleaning solutions. Zero crevices for pathogen accumulation — suitable for operating theaters and cleanroom displays.
Premium Conference & Boardrooms
P0.6mm–P1.5mm pitch delivers 4K/8K resolution at conference-room viewing distances. Fanless passive cooling ensures silent operation during critical presentations.
Museum & Cultural Heritage Venues
COB's artifact-grade color accuracy and 100,000-hour lifespan make it the conservator's choice for permanent collection displays. UV-free emission protects light-sensitive artworks.
Technical Specifications
Complete performance parameters for COB Series LED modules
| Parameter | COB P0.6 | COB P0.7 | COB P0.9 | COB P1.2 | COB P1.5 |
|---|---|---|---|---|---|
| Module Size — 300×168.75mm (standard), custom sizes available | |||||
| Encapsulation — Semiconductor-grade epoxy, 0.3mm uniform thickness, Class 1000 cleanroom process | |||||
| Burn-In — 72-hour factory burn-in, per-pixel calibration, automated optical inspection | |||||
| Compatibility — Standard module interface, drop-in replacement for SMD modules of same pitch | |||||
| Operating Temp — -10°C to +45°C | |||||
| Lifespan — ≥100,000 hours (50% brightness); dead pixel rate <1 per million | |||||
| Warranty — 3-year standard (optional extension to 5 years) | |||||
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From indoor fine-pitch to outdoor high-brightness, we offer a complete range of LED display solutions tailored to your project requirements.
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