The researchers can control the surface, texture and the reflectance of the surface by using speakers that emit ultrasonic sound waves.
Talk about thin displays and this news can truly take the cake away. A set of researchers at the University of Tokyo developed the world's thinnest screen, using a soap bubble! This screen is different from regular screens because a soap bubble is transparent and the "micro-membrane" allows the passage of light and displays colors. Researcher, Yoichi Ochiai along with his colleagues created an ultra-thin and flexible Bidirectional Reflectance Distribution Function (BRDF). They used a mix of two colloidal liquids to make the screen. Ochiai's official blog states: "There have been several researches on dynamic BRDF display in the past. However, our work is different in several ways."
That blog states that the researchers can control the surface, texture and the reflectance of the surface by using speakers that emit ultrasonic sound waves. It further reads: "The combination of the ultrasonic waves and ultra thin membranes results in more realistic, distinctive, and vivid imageries on the screen. This system contributes to open up a new path for display engineering with sharp imageries, transparency, BRDF and flexibility." Interestingly, one can even poke the bubble allowing for interactivity.
If their claims are anything to go by, this may give way to a new chapter for flexible displays. The soap bubble display will be visible at SIGGRAPH 2012 (The 39th International Conference and Exhibition on Computer Graphics and Interactive Techniques) which is set to be held.
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