MIT Researchers Unveil ChromoLCD, a Portable Device That Can Reprogram Everyday Items

The new tool allows users to customize the appearance of clothes, furniture, and other surfaces with high-resolution digital designs.

Mar. 24, 2026 at 7:20am

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Researchers at MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) have developed a portable device called ChromoLCD that can add, swap, and reprogram digital designs on a variety of everyday items. The device uses photochromic dye and a combination of LCD and LED technology to embed high-resolution imagery onto surfaces like clothing, furniture, and whiteboards. ChromoLCD is designed to be an easy-to-use "stamp" that allows users to personalize their belongings without complex setup or 3D modeling.

Why it matters

The ability to dynamically change the appearance of physical objects could have significant implications for the future of fashion, home decor, and even workplace collaboration. ChromoLCD represents a step towards a more customizable and interactive physical world, where consumers can easily transform the look and function of their surroundings.

The details

At the heart of ChromoLCD is a combination of an LCD display and an array of UV, red, green, and blue LEDs. The system first produces a black-and-white video that maps the brightness of pixels in the desired image. Then, the UV light darkens the photochromic dye on the target object, followed by the RGB lights that add color and detail. This process allows ChromoLCD to embed high-resolution graphics, artwork, and even augmented reality tags onto a variety of surfaces. The researchers note that the key components of ChromoLCD are relatively inexpensive, making it possible for DIY enthusiasts to build their own versions of the device.

  • ChromoLCD was developed in 2026 by researchers at MIT's CSAIL.

The players

Yunyi Zhu

A PhD student in electrical engineering and computer science at MIT and the co-lead author on the paper presenting ChromoLCD.

Qingyuan Li

An MIT undergraduate and co-lead author on the ChromoLCD paper.

Stefanie Mueller

An associate professor at MIT and a CSAIL principal investigator who is the senior author on the ChromoLCD research.

MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL)

The research lab at MIT where the ChromoLCD device was developed.

Narges Pourjafarian

A postdoc at Northeastern University who commented on the significance of the ChromoLCD research.

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What they’re saying

“We see ChromoLCD as a bridge between consumers and photochromic dyes. It's basically a stamp, and it's very easy to use. There are no alignment requirements, no 3D object texture creation. You just upload the image you'd like to put on your bag, place it on there, and then you'd have a personalized accessory.”

— Yunyi Zhu, PhD student, MIT

“ChromoLCD reframes monochromatic LCD panels as wavelength-selective fabrication tools, rather than merely display endpoints. This approach expands how we think about reprogrammable surface appearance, enabling high-resolution, reconfigurable graphics to be embedded directly into physical environments without the need for stationary projection enclosures. It opens a path toward compact, portable augmentation of garments, countertops, and shared surfaces.”

— Narges Pourjafarian, Postdoc, Northeastern University

What’s next

The researchers are working on scaling up ChromoLCD to allow for the reprogramming of larger surfaces, such as walls, using a roller-based design. They are also exploring ways to integrate the technology into robots to enable them to communicate with humans and other machines through high-resolution graphics displayed on physical surfaces.

The takeaway

ChromoLCD represents a significant advancement in the field of dynamic surface appearance, allowing users to easily customize and reprogram the look of everyday items. This technology could pave the way for a more personalized and interactive physical world, where consumers have greater control over the aesthetics of their surroundings.