Question 1

What is “One Bin” in LED chips?

Accepted Answer

In LED chips, "One bin" refers to LEDs whose performance characteristics (such as brightness, color temperature, and voltage) fall within a certain range, thus forming a specific category. However, different LED chip manufacturers may have different standards, especially for voltage and luminous efficacy (brightness), so it is necessary to clearly define these standards to select the LED chips suitable for your product.

Question 2

What‘s SDCM visibility?

Accepted Answer

SDCM (Standard Deviation Color Matching) measures the perceived color difference between light sources. For LEDs, the lower the number, the less visible variation there is between the chips. For example, for different LEDs within 1 SDCM, it’s impossible to see any difference with the naked eye. Within 2 SDCM, sensitive instruments can detect a difference. Within 3 SDCM steps, a slight color difference becomes noticeable. The naked eye can easily see the difference between LEDs with 5 SDCM.

Question 3

Can the LED binning ensure the color consistency of the final product?

Accepted Answer

LED chip binning is a crucial foundation for ensuring color consistency in the final product, but it's not an absolute guarantee. Undoubtedly, stable LEDs manufactured according to binning standards lay the foundation for consistent product production. However, LED binning alone cannot guarantee final product consistency. The final product's performance largely depends on how the manufacturer manages various variables during production, such as the materials used in different batches, manufacturing processes, and other variable controls (e.g., lenses). For example, you might use a batch of packaged LED chips (within 5 SDCM), but the supplier's LED lens manufacturing process has defects, causing the final product's color tolerance to exceed 5 SDCM, instead falling within 7 SDCM.

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LED binning – Critical step in quality control of LED lights

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LED Street Light

Solar Street Light

Led Flood Light

Solar Flood Light

LED High Bay Light

High Mast Light

LED Traffic Light

LED Tunnel Light

LED Garden Light

LED Canopy Light

Led Bollard Light

Lighting Accessories

Smart Systems

Simulation Design

Smart Financing