Odd datasheet descriptions for an LED

[made2hack]

Hello all,

So, at first I thought it was a typo but further down the datasheet it repeated itself everywhere. No mention anywhere that these LEDs are for grocery store / retail, so I don't know what to make of it.

The original datasheet for LTW-3030BSL.

[technix]

Probably that is how they represent different output spectrums?

[MK14]

It's apparently because they are colour optimised for the type of food, you want to display, in the best LIGHT colour. Hence the naming scheme.

LTW-3030BSL product family includes special LITEON LEDs which can be used in glass showcases, refrigerated display cases and in other places where fresh bread, vegetables or meat are displayed. Spectrum of the light emitted by them show food products in their best light – they look fresh and tasty.

Source:
http://electronic-info.eu/2016092104/leds-for-lighting-food-from-liteon


More info here:
https://www.dmlights.co.uk/help/lighting/lighting-stores-what-is-ideal-colour-temperature-displaying-meat-fish-vegetables-bread/

Lighting in stores: what is the ideal colour temperature for displaying meat, fish, vegetables, bread,…?
The colour of light influences our perception. It even has an effect on our bodies – something that keeps the chromotherapists busy. That's why so much attention is paid to finding the right colour temperature for the lighting in shops.

When we talk about colour temperature, we are talking about the various shades of white light (cool, neutral and warm) and not about coloured light, like red, blue and green light. Colour temperature is expressed in units called Kelvin. The lower the Kelvin value, the redder the light, and the higher the Kelvin value, the bluer the light. Warm white light has a Kelvin value of 2700 to 3000 Kelvin, and cool white light averages around 4500 Kelvin.

[rdl]

Yes, lighting for grocery stores has long been selected to enhance the appearance of food, fresh food in particular. Various types of fluorescent tubes were used to bring out the redness in meats and emphasize the warm colors of baked bread. This is just the modern equivalent.

[made2hack]

Heh,

I guess so.