15/02/2019

Conductive and semi conductive inks are a key element in the fast-growing market of flexible and printed electronics. Estimated at $2.2 billion in annual sales, conductive inks and materials are used in a wide range of applications, from photovoltaics and flexible displays to sensors, and smart packaging.

Over the past 8 years Genes’Ink has been successfully innovating in that field, and envision to be one of the leaders in supplying ready & easy to use electronic inks for all kind of application.

In order to fully answer the devices manufacturers needs in terms of form factor reduction, flexibility without compromising on conductivity, Genes’Ink product development road map is a kind of its own.

Since several years, TCI have been marketed. However, according to customers feed backs and to Genes’Ink vision (to be as close as the customers’ needs are), it was perfectible.

Genes’Ink singularity relies in its knowhow in various technological “bricks”.

Following key parameters are considered among the most important regarding flexible OLED displays:

  • Bend radius: the radius to which the device can be bent 1000 times without a significant loss of performance. TranDuctive range for transparent conductive ink by Genes’Ink offers a solution for transparent electrode allowing a bending radius of 2 mm.
  • Lifetime: Genes’Ink offers to the display market inorganic conductive and semi-conductive inks allowing to access high mechanical and chemical stability against oxidation, temperature and humidity.
  • Transparency: Genes’Ink range of products for display applications allows to reach high transparencies close to or even higher than 90%.
  • Semiconductor mobility: High carrier mobility is necessary for high resolution displays and high brightness OLED applications. Genes’Ink offers a range of high mobility semi-conductors such as tungsten oxide with a mobility higher than 10 cm2/V.s.
  • Operational temperature range: Genes’Ink offers a wide range of inorganic conductive and semi-conductive materials operating and performant from 60°C to temperatures higher than 300°C. This makes Genes’Ink nanoinks adapted for various types of substrates and display applications especially when higher temperatures processing is needed for example in flexible displays automotive applications.

Transparent conductive films find applications in various fields such as OPV, OLEDs or displays. With the emergency of new technologies such as flexible OPV (for installation on windows, roofs or even personal belongings) or flexible displays, ITO films are no longer relevant since this material is brittle. Genes’Ink Tranductive® is a wet solution printable with standard coating processes and compatible with plastic substrates thanks to its low drying temperature, enabling flexible device manufacturing.

 

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