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Related Experiment Video

Updated: Jan 29, 2026

Making Patch-pipettes and Sharp Electrodes with a Programmable Puller

Making Patch-pipettes and Sharp Electrodes with a Programmable Puller

Published on: October 8, 2008

Programmable transparent organic luminescent tags.

Max Gmelch¹, Heidi Thomas¹, Felix Fries¹

¹Dresden Integrated Center for Applied Physics and Photonic Materials (IAPP) and Institute for Applied Physics, Technische Universität Dresden, 01187 Dresden, Germany.

Science Advances

|February 13, 2019

Summary

Researchers developed a novel organic luminescent labeling method for fast, rewritable, high-resolution image printing on any substrate. This low-cost, ink-free technology offers a promising alternative to conventional labeling techniques.

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Area of Science:

Organic electronics
Materials science
Photonics

Background:

Conventional labeling techniques face limitations in speed, cost, and reusability.
Existing organic luminescent materials often require complex fabrication or specialized inks.

Purpose of the Study:

To demonstrate a novel, low-cost, and efficient method for organic luminescent labeling.
To achieve fast, rewritable, high-resolution, and high-contrast image printing using light alone.

Main Methods:

Fabrication of an ultrathin, flexible, and transparent layer stack using readily available materials.
Contactless printing and erasing of luminescent images using light, enabling multiple cycles (>40).
Characterization of image resolution (>700 dpi) and contrast.

Main Results:

Achieved fast and cost-effective printing of information onto diverse substrates.
Demonstrated rewritable, high-resolution (>700 dpi), and high-contrast luminescent images.
Developed a simple device structure enabling contactless, ink-free image manipulation.

Conclusions:

The demonstrated organic luminescent labeling concept is a significant advancement over existing methods.
This technology offers a promising pathway for on-demand tag production and potential replacement of conventional labeling.
The simplicity, low cost, and versatility make it suitable for various applications.