A Colloidal display:
Now all the LCD, LED and Plasma displays with milimeter of thickness has become nothing in front of the 700nm Transparent display created on Soap Bubble. Researcher Yoichi Ochiai from the Unniversity of Tokyo and his team have developed a live transparent display using a special type of soap bubble of just 700 nm thick.
The surface of the soap bubble is a micro membrane which allows light to pass through it and display color. The screen can be controlled with ultrasonic waves for transparency and 3D volume.The output of 2D and 3D images is possible due to the variation of ultrasonic vibration and if the several bubble screen are used together, even 3D effect along with holographic images can be produced.
Due to the chemical mixture with special colloids,the bubbles used are so harder than a typical soap bubble and also an object can pass through the bubble without popping it.
Ochiai says,"This system
contributes to open up a new path for display engineering with sharp
imageries, transparency, BRDF and flexibility." on his blog.
"The combination of the ultrasonic waves and ultra thin membranes makes
more realistic, distinctive, and vivid imageries on screen."
As we see in the videos, todays big
LCD and LED won't be replaced by this type of screen but it could be
useful for the artists for turning their works into realistic feeling
and also for displaying floating objects and for magicians.
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