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Binning

Color binning: White

1931 CIE Chromaticity Diagram

When designing a lighting system, white color binning can be an important consideration. Typically most applications can take advantage of all bins, thus making use of any of the full distribution of products. Often, this is done through techniques such as color mixing, color blending, by using filters and diffusers.

Binning and labelling is the process of separating LEDs based on their various characteristics and assigning them a specific bin code. LEDs with the same characteristics (and therefore suffix, or bin code) are placed on a reel. Generally, the human eye can not perceive difference in color within a single bin. Color binning for white LEDS will be covered below; refer to application brief AB21 for other technical details on product binning and labelling.

Color Temperature:

The measurement of tint of white light, typically measured in Kelvin (K), as located along the blackbody radiation curve on the 1931 CIE Chromaticity Diagram.

LUXEON White Binning Structure
(view larger image)

LUXEON Rebel ANSI Bin Structure (view larger image)

Correlated Color Temperature (CCT):

An approximation of the Color Temperature of light that is not located along the blackbody radiation curve. It corresponds to the lines crossing the black curve on the 1931 CIE Chromaticity Diagram.

Full Distribution refers to LUXEON^® LEDs categorized from any of the available bins. Lighting systems should be designed to maximize the number of bins. This will better ensure a consistent supply of products over time. Refer to Application Brief AB21 for further information on binning. All the CCT bins of the LUXEON Rebel Illumination Portfolio LEDs are ANSI compliant

Note:

Cool White targets a typical CCT between 10,000K and 4,500K
Neutral White targets a typical CCT between 4,500K and 3,500K
Warm White targets a typical CCT between 3,500K to 2,540K