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Electroluminescent Light Sources


Development of a Pilot Technology for Production of Polymer Nano-Composites for High-Performance Electro-Luminescent Light Sources

Tech Area / Field

  • CHE-POL/Polymer Chemistry/Chemistry
  • CHE-IND/Industrial Chemistry and Chemical Process Engineering/Chemistry
  • CHE-OTH/Other/Chemistry

8 Project completed

Registration date

Completion date

Senior Project Manager
Mitina L M

Leading Institute
VNIIEF, Russia, N. Novgorod reg., Sarov

Supporting institutes

  • “Plastpolymer” Public Corporation, Russia, St Petersburg\nSt Petersburg Technological Institute, Russia, St Petersburg


  • McMaster University, Canada, ON, Hamilton

Project summary

Presently, the world's increased interest is focused on electroluminescent light sources (ELLSs), and mainly on electroluminescent displays (ELDs). According to the data provided by DuPont, the ELLS market exceeds half-billion dollars, half of the amount being consumed for civil needs, nearly 30 % by military and aircraft industries, and the rest 20 % by motor car industry. Significant progress in ELLS technology has been achieved in other countries (the USA, Japan, South Korea) for the last 10-15 years. Due to the use of powder luminophors and flexible polymeric substrates the weight and sizes of products have been substantially reduced and their mass production (roll technology and screen printing) has started, which has dramatically lowered the cost value.

With improving the methods of synthesis the luminescence brightness of electroluminophors has been considerably increased. To extend the ELLS service life the methods of microcapsulation have been developed, such as covering the luminophor surface with thin protective layers isolating the particles from the influence of moisture, e.g. the method of chemical vapor deposition (CVD) offered by "Sylvania". Of particular importance is the synthesis of special polymeric binders intended for ELLSs and ELDs. Particularly strict requirements on electric inductivity and atmospheric moisture resistance are imposed on these binders. Also, they must be luminophor-resistant.

All together, it has significantly expanded the field of ELLS application. Today, it is first of all the highlight of liquid crystal displays in handheld personal computers, mobile phones, watches, etc., where small thickness, low weight and low power consumption are especially critical. Besides displays, ELLSs are used in advertisements and style design, as emergency exit indicators, sources of emergency and night illumination, for highlighting the buttons and scaleplates of devices, as fluorescent tapes for routing (protection barriers around dangerous and accident-risk places, aerodrome runways), etc.

In the Russian Federation, for lack of manufacture of high-quality functional materials for ELLSs and ELDs, the possibility of creating competitive microelectronic devices is limited. At the same time, as part of pilot study, we have demonstrated a basic possibility of making electroluminophors and polymeric binder which are not worse than the best foreign analogues, but also surpassing them in a number of parameters. Therefore, of utter importance are the issues related to creation of the reliable scientific base for making high-performance components for ELLSs and ELDs as well as development of advanced manufacturing technologies. It is anticipated that these issues will be solved during intensive collaboration of the parties participating in the project: Russian Federal Nuclear Center – All-Russian Scientific Research Institute of Experimental Physics, “Plastpolymer” Open Joint-Stock Company, St.Petersburg State Technological Institute (Technical University), School of Materials Science & Engineering, Clemson University (NU), Clemson, USA, and Research Institute of Electronics, Shizuoka University, Shizuoka, Japan.

The project is focused on solving fundamental and applied problems related to making high-performance functional micro- and nano-composites for electronics, medicine and other fields of engineering, basing on modern achievements in physical chemistry of solids. Domestic materials not yielding to foreign ones in technical properties and having essentially lower prices will be used to make composites and devices.


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