Home Lighting BasicsBlack light bulbs More than just a funky room ornament
Black light bulbs   More than just a funky room ornament

Black light bulbs More than just a funky room ornament

black light bulbsAt the mention of the word “bulb”, the image of something glistening will come into many people’s mind. But today we are not talking about the usual bulbs commonly used at home and workplace, we are talking about black light bulbs. Though black light bulbs are not used for illumination at night, they are quite useful in many other ways. Below are listed four basic uses of black light bulbs.
Machine repair
Miniscule leaks can be nearly undetectable to the naked eye, but repairmen have been using black lights to locate even the tiniest of gaps. Phosphor-infused liquid is injected as small quantity into fuel and refrigerant lines to allow the mechanic to shine a light on the problem. The phosphorescent glow is a tell-tale sign where a leak is located and where the repair job needs to begin.
Forgery detection
Thanks to the addition of phosphors in modern paint production, and antique appraiser can confirm the relative age of an item, and whether or not it’s as old as the owner claims. Using black lights, the appraiser can bather the object to determine if it reacts. If it does, it’s a modern piece, as phosphors are a modern addition to paints. If it doesn’t glow, it might well be the real deal.
black light bulbsCounterfeit currency
With the world economy taking left and right, it’s no wonder counterfeiters are ramping up their game. However, there is one thing they simply can’t reproduce, and that’s the phosphor induced strip found in US currency bills. When shown under a black light, the strip glows. If it doesn’t, it’s time for a local business to call the police.
Crowd management
Whether it’s an amusement park or a dance club, paying patrons often receive and invisible hand stamp to show they have paid, and whether they are of the legal drinking age. The stamp washes off easily, but resists sweat and contact, making a great tool for businesses to check up on. The patron’s hand is simply doused with black light, and the stamp shows up every time.
Black light bulbs have proved their value in many areas, and their presence has also facilitated our life. This lighting technology is not only cool but also very practical. Let’s look forward to their bright future as supported by optic advancement.


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