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what are differences between COB light source and LED light source

Views: 0     Author: Site Editor     Publish Time: 2021-10-30      Origin: Site

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what are differences between COB light source and LED light source

  1. The principle is different

    Cob light source: The high light efficiency integrated surface light source technology in which the LED chip is directly attached to the mirror metal substrate with high reflectivity.

    LED light source: integrates computer technology, network communication technology, image processing technology, embedded control technology, etc., so it is also a digital information product.

  2. Different advantages

    Cob light source: It is convenient for the secondary optical matching of the product to improve the lighting quality; it is simple to install and easy to use, which reduces the difficulty of lamp design and saves the cost of lamp processing and subsequent maintenance.

    LED light source: low heat, miniaturization, short response time, etc., all of which make the LED light source have great advantages and create favorable conditions for application in actual production and life.

  3. the characteristics of the light source are different

    Cob light source: high color rendering, uniform luminescence, no spot, healthy and environmentally friendly.

    LED light source: It can be used continuously for up to 100,000 hours. In the future, LED light source applications will become mainstream in the field of lighting.


Is COB Different from LED?

This is one of the most common misunderstandings in stage lighting.

COB (Chip-on-Board) is not a different lighting technology. It is one type of LED packaging technology.

Modern LED fixtures mainly use two packaging methods:

  • COB LEDs – Multiple LED chips are integrated into a single light-emitting surface, producing soft, uniform, high-intensity illumination.

  • SMD LEDs – Individual LED chips are mounted separately on the circuit board, making them ideal for RGB color mixing and wash lighting.

In other words, every COB light is an LED light, but not every LED light uses COB technology.

Comparison Table

FeatureCOB LEDSMD LED
Light SourceMultiple chips integratedIndividual LED packages
BeamSoft, uniformMore directional
BrightnessVery highMedium to high
Color MixingLimitedExcellent
Heat DissipationBetterGood
Typical ApplicationStage front light, profile lightPAR light, wash light, moving light

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