BEN STURGEON AWARDS 2008 and 2009

he Ben Sturgeon Award is made annually by the Edward graduated with a first class Masters degree in TSociety for Information Display, to individuals or Electrical and Electronic Engineering from University groups who have made a significant contribution to the College London. Following that, he began his Ph.D. development of displays. research into real- time holographic projection systems at Cambridge University in 2003. While at Cambridge, he UK & IRELAND CHAPTER The Ben Sturgeon .Award 2008 was won by Professor jointly invented a method Ifor Samuel of the University of St Andrews. As reported for real-time holographic on Page 3 of this newsletter, the award was presented to laser projection on which Professor Samuel by the chapter chairman, Dr Richard Number 44 NEWSLETTER August 2009 the company Light Blue Harding, Merck Chemicals Ltd at the Optics was founded in 2004. meeting at Imperial College in September 2008. During the meeting, Ifor presented a paper on his work entitled, Now based in Light Blue Chairman’s Report ‘Using photophysical measurements to improve organic Optics’ development facility light-emitting materials and devices’. in Colorado Springs, Sally Day Edward is responsible for Ifor read physics at Cambridge University where he was US and Far East business s the new incoming chairman the first thing to say is In spite of the recession, many new displays are being awarded his MA and PhD in Physics at Cambridge. After development activities, many thanks to Richard Harding who has had to step installed. In particular, 3D is now in many local cinemas, finishing his PhD, he worked for France Telecom in Paris Dr Edward Buckley working with global OEM A down from the chairmanship of the SID/UK with the decision by Disney to release all for two years, investigating the non linear optical customers and strategic because he has transferred to Korea with their animated films in 3D. Many new properties of organic materials. He then returned to development partners. Cambridge for a year, where he received a Royal Society Merck. I would like to wish him well with electronic displays are being used in University Research Fellowship and took up a position at Prior to Light Blue Optics, he worked with a variety of this change of scene. I hope that I will be advertising and information with, for the University of Durham until August 2000 when he organisations, including a telecommunications con- able to continue with as much success as he example, many of the newly refurbished moved to the University of St Andrews. In 2001 he sultancy and a multinational aerospace and defence and other chairmen before have done, which escalators in the underground in London started the Organic Semiconductor Centre to encourage company. of course is only possible with the wonderful, being furnished with tens of displays to be collaboration between physicists and chemists in and entirely voluntary, support of the rest of seen as you travel up the escalator. With developing the next generation of organic semiconductors the committee. both 3D and the moving advertising boards and the wider field of organic electronics. Nominations now called for: it is interesting to see the way in which the A prime example of this was the very challenge to generate new content for these The Ben Sturgeon Award for 2009 has been awarded to BEN STURGEON AWARD 2010 successful meeting held in Cambridge on 30th is being met and I think there is still much to Dr Edward Buckley. He is Vice President of Business April. This was an inspiring meeting on be learnt to find effective ways to use these Development at Light Blue Optics, a privately-owned http://www.sid.org/chapters/uki/ben_sturgeon.html future technologies and gave a real sense of Dr Sally Day new media. It is certainly an exciting area to company developing miniature projection systems for the developments that are going on and that be working in and there is still much to do to consumer electronics and automotive applications. are wished for in displays. There is no doubt that the way improve and develop displays. I hope that we will see

in which electronic displays are used and the numbers of many of you at our UK meetings as well as at other SID displays is changing dramatically and quickly. events to talk about thes e developments. CONTACT INFORMATION SID Organic Electronics UK 2009 Touch-Panels in Displays Name & address Tel/fax email 28 – 29 September 2009, Imperial College 6 January 2010, Sharp Laboratories of Europe Director: Dr Ian Sage 01684 895026 [email protected] His is the third annual meeting on this topic to be ouch panels enable direct interaction between the QinetiQ, St Andrews Road, GREAT MALVERN, WR14 3PS 01684 896530 T held at Imperial College, London and it will include T user and the display and are becoming commonplace oral and poster presentations from both Industry and Chair: Dr Sally Day 020 7679 3055 [email protected] in many consumer and industrial applications. A wide Academia. All aspects of organic semiconductors and range of touch technologies exists, including resistive, University College Dept of Electronic Engineering, 020 7388 9325 their use in displays and other technologies will be capacitive and optical, with options for single or multi- Torrington Place, LONDON, WC1E 7JE covered. touch and for finger or stylus input. This meeting aims to Vice Chair: Dr Lesley Parry -Jones 01865 747711 [email protected] explain the benefits and limitations of the various touch- Sharp Laboratories of Europe, Edmund Halley Road, 01865 747717 panel technologies, so that the attendee can judge which Oxford Science Park, OXFORD, OX4 4GB Power-Saving in Displays technology might be most appropriate for their application. Secretary: Graham Weaver 01753 882354 [email protected] 5 January 2010, Sharp Laboratories of Europe 53 Lower Road, CHALFONT ST PETER, SL9 9AP 01753 890211 educing unnecessary power-consumption in displays CONTENTS is becoming increasingly important both as we Treasurer/Membership: Pat Crofts 01344 762351 [email protected] R Chairman’s Report ...... 1 become more environmentally aware and demand longer 47 Brookside, Sandhurst, CAMBERLEY, GU47 9AP 01344 762351 battery lives from our ever-slimmer portable devices. This Forthcoming meetings...... 1 meeting aims to cover many aspects of reducing power Review of organic electronics for displays 2009...2 Meetings Registrar/Newsletter: Dr John Mansell 01342 323996 [email protected] consumption in displays from bistable, reflective and . Ben Sturgeon Awards 2008 and 2009 ...... 4 90 Hurst Farm Road, EAST GRINSTEAD, RH19 4DH 01342 323996 projection displays, to high-efficiency backlights and Contact Information...... 4 harnessing ambient solar power .

Page 4 SID Newsletter No 44 August 2009 Click on http://www.sid.org/chapters/uki/forthcoming_meetings.html for meetings information

SID ORGANIC ELECTRONICS FOR DISPLAYS 2009 SID ORGANIC ELECTRONICS UK 2008 Imperial College, 28-29 September 2009 Report on the two-day meeting at Imperial College, London on 16-17 September 2008 by Alasdair Campbell

Organic Electronics UK 2008, organised by for polymer , which included air-stable metal oxides Professor Mike Turner, University of Manchester. presentation by Dr Kazuhito Tsukagoshim, AIST on SID the UK & Ireland Chapter of the SID, was held for both anode (eg. MoO3) and cathode (eg. ZrO2) as well Poopathy’s talk was on Charge Transporters for AM- Selective organization of solution-processed OTFTs . at on 16th and 17th of September, as a new vapour-phase deposited, high-conductivity OLED’s: Strategies and Performance where he described Using UV patterning of self-assembled monolayers, he 2008. It was the second Organic Electronics meeting, the PEDOT allowing the fabrication of ITO free, flexible the development of small-molecule electron-injection and showed how it was possible to pattern high performance first being held in 2007 in Imperial’s Centenary Year. This polymer OLEDs. This was followed by contributed transport-layer materials for multilayer OLEDs. Mike OTFTs on flexible substrates by s imple spin-coating. annual meeting covers all aspects of the area including presentations from Dr Marie-Beatrice Madec, University of talked about Higher throughput methods for making, The Merck Best Student Poster prize was then awarded to OLEDs, OTFTs, polymers and small molecules, display Manchester on Thin Film Morphology Study with a View purifying and testing soluble organic semiconductors, Paul Wöbkenberg, Imperial by the chapter Chair, Dr electronics, oxides for electrodes and TFTs, OPVs for toward Ink Jet Printable Organic TFT and by Helder where he discussed the rapid development of polymers for Richard Harding, who is also from Merck. The other power generation, device modelling, printing and Barbosa, University of Minho on Quantum Molecular OTFTs such as poly(triarylamines) for gas sensors. This winner Ms Rupa Das, Imperial was unable to be present. fabrication methods. and Mesoscopic Modelling of Organic Devices. session was ended by a contributed presentation from Dr Harry Zervos, IDTech Ex, on Organic Electronics The meeting opened with a Plenary address by Professor Following coffee and tea, the second afternoon session Forecasts for the Display Industry pointing to the Dago de Leeuw from Philips, Eindhoven. Dago headed continued with an invited presentation by Professor Paul developing multibillion dollar market for organic electronic Philip’s OTFT research and development programme from Smith, ETH Zurich. Paul, co-founder of UNIAX in Santa products. the early 1990’s. His talk was on Organic non-volatile Barbara, talked on Bringing (Semiconducting) Polymers After coffee and team the memories, where he discussed Philip’s breakthrough in the to Order. He discussed in detail the interrelationship second morning session area of non-transistor/non-MIS capacitor based memory. between the chain continued with an invited These simple bistable devices consist of a metal contact, an entanglement distance presentation by Dr Steven oxide layer (e.g. aluminium oxide), an organic and molecular length Tierney, Merck on Organic semiconductor layer (e.g.. a standard light-emitting and the mobility in semiconductor development polymer) and a top metal contact. They work by resistive P3HT, and how by for TFT and PV applications. switching, the application of high and low voltage pulses using traditional Steve discussed the key issues turning the device between high and low conducting states. methods such as high of performance, stability and Joint winner, Paul Wöbkenberg receiving The organic layer acts as a series resistance allowing soft pressure or melt- processability, discussed the Merck Best Student Poster from Dr breakdown of the oxide layer. These resistive-switching polymerization, we Merck’s target products of Richard Harding, Chapter Chair organic memory devices can store data for many months could dramatically Prof Paul Smith formulations developed for Dr Steven Tierney and open up a whole new area of organic semiconductor increase crystallinity different printing techniques, as technology. and thus mobility in well as their new generation three solution-processable The final presentation of the meeting was the Ben Sturgeon semiconducting polymers. This was followed by a This was followed by invited talks by Professor Jenny materials with a mobility >2 cm2/Vs. This was followed by Award Lecture 2008. This award is made annually by the contributed presentation from Dr Natalie Stingelin- UK & Ireland Chapter to an individual (or group) who have Nelson, Imperial and Professor contributed presentations from Dr Salvatore Gambino, Stutzmann, QMUL / ETH Zurich on Binary Organic made a significant contribution to the development of Franky So, University of University of St Andrews, on Charge transporting Photovoltaic Blends: A Simple Rationale for Optimum Florida. Jenny’s talk was on properties of a family of highly phosphorescent displays. For his work on polymer and dendrimer OLEDs Compositions. The first day’s presentations then ended over a number of years, Professor Ifor Samuel from the Multi-scale modelling of iridium(III) cored dendrimers with carbazole dendrons with an invited talk from Professor Iain Underwood, University of St Andrews received the award for 2008. The charge transport in and Dr Sandrine Heutz, Imperial, on Spin Coupling in MicroEmissive Displays Ltd on P-OLED / CMOS disordered organic sem- Flexible Molecular Films . award was presented by the Chair of the UK & Ireland Microdisplays: from technology to product. He Chapter, Dr Richard Harding. Ifor’s lecture was entitled iconductors. By considering described in detail, his experience of setting up a display After lunch, the afternoon Using photophysical measurements to improve organic the detailed physics of charge comp any, from developing the technology through to session opened with an invited transport (e.g. transfer integrals, light-emitting materials and devices. producing the product and taking it to the market place, presentation by Dr Xiaojun renormalisation energies), before ending with an inspired appeal to the young Guo, Plastic Logic, on chemical structure and physical researchers in the audience to do it themselves. Polymer TFT Backplane for morphology (e.g. amorphous, Driving E-Paper Displays. polycrystalline) she could The first day closed with the poster session and drinks Plastic Logic opened its Prof understand and model the reception. Over 20 posters were presented from different Dresden fabrication plant on mobility of important organic Universities such as St Andrews, Hull, Surrey, QMUL, this day of the meeting. semiconductors such as Alq and P3HT. Franky So, who 3 Imperial, ETH Zurich and Kyung Hee, Korea. Topics Xiaojun talked about their headed Osrams OLED research programme at Palo Alto covered all aspects of organic electronics. polymer TFT driven e-ink before moving to Florida, talked on Charge balance in Dr Sandrine Heutz display, they key issues of low organic light emitting device. Franky showed that the Merck offered a £500 prize for the Best Student Poster weight, flexibility and efficiency of multilayer small-molecule blue presented at the meeting. The posters were of a very high robustness, the operation of their OTFTs and the launch of phosphorescent OLEDs is very sensitive to the triplet quality and the judges found this a very difficult decision to their product in 2009. This was followed by contributed Prof Ifor Samuel receiving the energy of the hole transport layer material but not that in make. It was finally decided to split the prize. The two Ben Sturgeon Award presentations from James Ball, Imperial, on Low-voltage, the electron transport layer. people awarded were Ms Rupa Das for A plastic substrate low-power organic transistors and from Dr Richard Harding, Chapter Chair based, ITO-free, multilayer polymer photodiode After lunch, the afternoon session opened with an invited complementary circuits based on solution fabricated using stamp transfer printing and Mr Paul processable semiconductors and self-assembled presentation by Professor Donal Bradley, FRS, Head of the The meeting organiser, Mrs Bhavna Patel was then thanked Wöbkenberg for High mobility, low-voltage oxide nano-dielectrics and Dr Dolores Caras-Quintero, Department of Physics, Imperial. Donal was co-discoverer semiconductor transistors and circuits. for her very hard work in organising the event. Finally, the of the first polymer LED, co-founder of CDT and won the University of Manchester on Self-Assembled monolayers for molecular transistors. meeting was closed with a short address and thanks to the SID Jan Rajchman Prize in 2005. His talk titled Molecular The second day opened with invited presentations from speakers and attendees by the meeting Chair, Dr Alasdair Electronic Materials and Devices was on new electrodes Professor Poopathy Kathirgamanathan, OLED-T and The second afternoon session started with an invited Campbell.

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