Inkjet Technology for Large-Area OLED and OPV Applications
In this contribution, some of the fundamental aspects of inkjet ink and substrate interaction, and the resulting layer homogeneity of the active layer in relation to OLED and OPV-device performance are investigated. Combining both theoretical and experimental approaches, we studied the inkjet ink rheology and homogenous layer formation on a moisture barrier. We have enabled to deposit homogenous PEDOT and LEP using commercially available inkjet heads. Furthermore, we would like to demonstrate the ability of using inkjet printing for fabrication of 1”by 1”OLED devices, with Agfa high conductive PEDOT:PSS and Merck light emitting polymers dissolved in solution. The inkjet ink properties and the substrate pretreatment have been optimized in order to ensure a stable and robust printing and drying process. Moreover, inkjet printed OLEDs will be demonstrated and the resulting light emission uniformity, device performance and reliability on flexible substrates will be discussed.
Document Type: Research Article
Publication date: 2010-01-01
For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.
Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.
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