MIT CSAIL researchers introduce a portable “ChromoLCD” device that combines LCD and LED lighting to "print" high-quality custom designs onto things like shirts and whiteboards.

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MIT News

MIT CSAIL researchers have developed ChromoLCD, a portable stamp-like device that combines LCD panels and UV/RGB LED lighting to print high-resolution, reprogrammable designs onto everyday objects coated with photochromic dye. Unlike its predecessors (PhotoChromeleon and PortaChrome), ChromoLCD offers both portability and high image quality. Users coat a surface with invisible photochromic ink, upload an image via Bluetooth or USB, and the device stamps the design within about 15 minutes. Applications demonstrated include personalizing clothing and bags, embedding AR tags on surfaces, and turning whiteboards into interactive canvases. Future directions include AI-assisted texture generation, wall-roller form factors for larger surfaces, and robot-to-robot communication via stamped messages.

Stamping high-res imagery onto everyday items to “reprogram” their appearance