ELI5: Explain Like I'm 5

LED tattoo

LED tattoo is a temporary tattoo that lights up when UV light or black light is applied to it. It looks like a picture, design, or message drawn on your skin, but it can glow and change colors. Think of it like a cool sticker that you can wear on your body and that can flash bright colors in the dark.

Here's how it works: The tattoo ink contains special chemicals called phosphors, which absorb UV light or black light and convert it into visible light. The light emitted by the phosphors can be of different colors, like red, green, blue, or yellow, depending on the chemical used. The tattoo artist uses a needle or airbrush to apply the phosphor ink on your skin, just like with a regular tattoo.

When you go to a club, party, or rave where there is a UV light or black light source, your LED tattoo will light up, making you stand out in a fun and unique way. You can choose to have a small LED tattoo, like a star or a heart, or a larger one that covers a whole area of your skin, like your back, chest, or leg.

LED tattoos are completely safe and do not use any electronics or batteries. They simply rely on the interaction between the phosphors and the UV light or black light. They can last from a few hours to a few days, depending on the quality of the ink and the care you take of the tattoo.

In summary, an LED tattoo is a temporary tattoo that glows and changes colors under UV light or black light. It is made of special ink that contains phosphors, which emit visible light when exposed to UV light or black light. It is a cool and fun way to express yourself and be the center of attention at parties or events.