Photo-Chromeleon: Re-Programmable Multi-Color Textures Using Photochromic Dyes
summary
A sprayable coating mixes CMY photochromic dyes into automotive lacquer (cyan:magenta:yellow at 1:1:6 ratio) to create re-programmable multi-color textures that switch from transparent to colored and back when exposed to light. A DLP projector’s red/green/blue channels deactivate cyan/magenta/yellow respectively; an optimization computes per-pixel illumination durations to reach a target color. Demonstrations include phone cases, textiles, shoes, and a car model; color gamut reaches about half an inkjet’s, cyan/magenta last ~1 day, yellow fades in ~5 hours under office light.
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chapters (22)
- 0:00Introduction
- 7:50Color Channels
- 8:12Light Duration
- 8:43Experiment
- 9:18Animation
- 9:45Red Light
- 11:07Minimize
- 12:59Color Gamut
- 13:34EndtoEnd System
- 13:58Blender Plugin
- 14:16Preview Function
- 14:51Future Work
- 15:55Brightness
- 17:05Summary
- 17:23Summary Slide
- 17:55Fixing Media
- 18:10Suggestions
- 18:38Problems
- 18:52Electron Structure
- 19:25Safety
- 19:38Temporary augmentment
- 20:07Human body
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