COB LED Display Module

COB LED display modules use chip-on-board (COB) packaging to mount LED chips directly onto a printed circuit board (PCB), creating a smooth surface light source for fine-pitch LED displays. Compared with conventional SMD modules, COB modules support smaller pixel pitches, smoother images at close viewing distances, and a durable surface that helps protect against moisture and accidental impact. EagerLED COB modules are designed for high-resolution conference rooms, control rooms, studios, and other indoor applications where image detail and reliability matter.

Low power consumption
Smooth, hardened surface
140° wide viewing angle
Moisture-resistant surface
2-year warranty

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COB LED Packaging Technology

Unlike conventional SMD surface-mount packaging, COB technology mounts multiple LED chips directly onto a printed circuit board (PCB) and encapsulates the surface as a single module. This reduces the need to solder individual packaged LEDs and creates a compact, uniform display surface. COB modules are available in front-mounted and flip-chip designs. In flip-chip COB, the electrodes face the PCB, reducing connection length and supporting a more compact package with efficient heat dissipation.

01 LED Display Manufacturer in China EagerLED

Flip-chip COB

02 LED Display Manufacturer in China EagerLED

Front-mounted COB

Smooth, High-Contrast Image Quality

COB LED modules form a continuous surface light source, while conventional SMD modules use individual point light sources. This gives COB displays a smoother appearance with less visible pixel grain at close viewing distances. The high-contrast image, saturated color, and clear detail make COB displays suitable for conference rooms, broadcast studios, control rooms, and other applications that require accurate visual presentation.

04 LED Display Manufacturer in China EagerLED

Stable, Protective COB Module Design

Direct chip mounting and surface encapsulation make COB LED modules compact and structurally robust. The smooth, hardened surface helps protect the LEDs against moisture and accidental impact. The compact package can also support lighter display construction and easier handling during installation and maintenance.

cob3 LED Display Manufacturer in China EagerLED

Fine Pixel Pitch for High-Definition Displays

Without the protruding lamp-bead structure used in conventional SMD packages, COB technology supports smaller pixel pitches and higher pixel density. EagerLED offers fine-pitch options including P0.62, P0.78, P0.93, P1.25, and P1.53. These configurations are suitable for 4K and 8K display systems, where short viewing distances require sharp text, detailed graphics, and smooth video.