If your answer is a contact lens, the bad news is that you may have to wait. The good news is that the world's first 3D printer that can print LEDs will one day help us achieve this.
Quantum LED 3D printing debut contact lens is expected to integrate display
The project was led by Michael McAlpine, head of the research team at Princeton University in Princeton, USA. The team successfully used its printer to print out quantum dot LEDs (QLEDs). QLED is brighter and more pure, but its energy consumption is relatively low. The internal use of cadmium selenide nanocrystals. QLED is also super thin, flexible, transparent, and contact lenses.
“The traditional microelectronics industry is focused on producing 2D electronic devices. The TVs and mobile phones we see are flat. But 3D printing gives us a sense of three-dimensionality. It prints things that people can’t imagine. For example, the 3D framework that can be used in the human body," said Mai Er Pine.
Mai El Pine and his team shared 5 layers to print LEDs. The bottom layer is silver nanoparticles, which are mainly used for metal conduits on circuit boards. The other two polymer layers are mainly used to supply and transfer current, which are composed of cadmium selenide nanoparticles (quantum dots). The outermost two layers are cathodes made of eutectic gallium.
“What we’re showing here is another way to integrate electronics and take 3D space into it,†said Yong Lin Kong, another head of the project team. “This is the world’s first true 3D full-featured electronic device. print."
Potential applications for this technology include wearable devices such as contact lenses (provided, of course, that the team can find ways to add power to the motherboard). In addition, the team will also develop features that include 3D printed transistors.
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