United Kingdom and Ireland Chapter
              

 

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**Save the Date**

UK/IRL Chapter SID will hold its annual in-person meeting and AGM on 18th March 2025, at the Institute of Physics in London.  Further details to be announced shortly.

 

**Meeting Notice**

UK/IRL Chapter Online Seminar

The Challenge of Realising Low Power Logic from Thin Film Semiconductors: from Circuit Optimisation to the Physics of Disordered Semiconductors

Professor Andrew Flewitt

November 12th 8-9pm GMT

Thin film transistors (TFTs) have enabled the active matrix displays that are a ubiquitous part of everyday life, from mobile phones and tablets through to desktop monitors and home televisions.  These pixel circuits only require either n-channel or p-channel enhancement mode TFTs.  More recently, there has been an increasing interest in producing other logic circuits using TFTs on glass and plastic substrates as this could enable a new generation of products with embedded electronics if we can produce low power circuits.  CMOS is an inherently low power technology, but it requires both n-channel and p-channel transistors.  Whilst this can be realised in silicon CMOS FETs, it has not yet been achieved using TFTs because it has proved difficult to realise both n-channel and p-channel devices using one material system at low cost.  Thin film oxide semiconductors such as amorphous indium gallium zinc oxide have been successfully commercialised and there is therefore a lot of interest in finding a suitable complementary p-type metal oxide thin film material to allow CMOS-type logic to be realised using this material system.  Whilst the material development is important, we need to first appreciate how the circuit design rules for TFTs are different to those for MOSFETs before looking at the development of the p-type thin film oxides themselves.  This reveals the importance of band tails in such disordered semiconductors and we will look again at the physical significance of these states.

Professor Andrew Flewitt is Professor of Electronic Engineering in Cambridge University Engineering Department and is currently head of the Electrical Engineering Division.  He is also a Fellow in Engineering at Sidney Sussex College.  He graduated in Physics from the University of Birmingham in 1994 before moving to Cambridge to carry out a PhD in Engineering investigating the growth of hydrogenated amorphous silicon thin films using scanning tunnelling microscopy which he completed in 1998.  He stayed in Cambridge as a Research Associate sponsored by Philips Research Laboratories working on the low temperature fabrication of thin film transistors. He was first appointed to a Lectureship in 2002 and was promoted to Professor in 2015. Current research interests encompass both large-area electronics, with a particular focus on thin film oxide materials, and microelectromechanical systems. He is a co-Founder of Sorex Sensors Limited which is commercialising film bulk acoustic wave sensors. He published a new textbook on ‘Electromagnetism for Engineers’ in 2022 with the aim of making this subject, which underpins so much of the technology we take for granted today, more accessible to undergraduate students, based over 20 years of supervising Cambridge students in this area.  He currently serves on the University of Cambridge HR Committee.  He is a Member of the Institute of Physics, a Member of the Institution of Engineering and Technology and is a Chartered Engineer.


Please register your attendance here

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Ben Sturgeon Award

Rank Prize Fund
Dr. Anthony Lowe Award

 

SID UK and Ireland Chapter 2024 meeting and AGM

Thursday March 14th

SID UK & Ireland hosted an in-person one day meeting on novel display technologies and display applications in the automotive industry.

The meeting was at the Institute of Physics in London, close to Kings Cross St Pancras Station.  The meeting created a perfect opportunity to network in person with leaders in the field.

Speakers included: ARRIVAL EV, FlexEnable, VividQ, Microsoft, Kubos Semiconductors, UltraLeap, Swave Photonics, BrightView Technologies, Pro-Lite and PragmatIC.

A video of the event can be found here.  Thanks to Dominic Murphy for the video footage (dominic@dofilm.org +44 7715 639066).



Not a member?  Please consider joining SID.
Questions? Contact: sid.ukandireland@gmail.com

We are pleased to announce that the winner of the 2023 SID Ben Sturgeon award, is Sarabjot Kaur. Sarabjot’s scientific career has centred on liquid crystal materials and devices, and the award is made for her contribution to two fields of LC science in particular. The first is her work on tunable optical devices, directed toward applications in variable power contact lenses. Her contributions in that field include the introduction of a new operating mode for those devices which offers a polarization-independent off state – markedly improving the clarity and user experience of the devices, and her demonstration of devices using graphene electrodes which overcome the shortcomings of ITO electrodes by offering a flexible transparent layer which can be coated under mild conditions. In addition, Sarabjot made important contributions to the design of these devices, including aspects from optical performance and manufacturing tolerances to power coupling.

A further area in which Sarabjot has made important contributions, is that of bent core LC systems where she extended our understanding of the phase behaviour, elastic constants, dielectric properties and flexoelectric constants of a range of materials. Understanding of these properties defines the scope for the challenging target of incorporating bent core LCs in device applications.

The UK chapter were unanimous in confirming the award to Sarabjot, and offer their congratulations to her.

 

The Ben Sturgeon award is presented annually by the UK SID chapter, for significant achievements in display science and technology. The award is named in memory of Dr Bennett Sturgeon, who as Development Director of Merck at Poole led the manufacturing process development and commercialisation of the cyanobiphenyl liquid crystals and a number of other families of LC compounds and mixtures, laying the foundation for the first successful generations of liquid crystal displays in consumer and professional products.

***Link to SID's Webinar archive - note webinars are only published with speaker's permission.***

Past Meetings:

"EuroDisplay in Review" - Dr Adrian Travis, 23rd Oct 2024

"AR/VR Displays: Technology Trends and Market Outlook" - Guillaume Chansin, 12th Sept 2024

"Gamut Rings, and why to stop using Chromaticity" - Dr Euan Smith, 23rd July 2024 

"Reflections on Displayweek" Sam Phenix and Ed Buckley, 27th June 2024

UK/IRL in-person meeting and AGM, 14th March 2024

"Holographic displays for AR" - Dr Ed Buckley, 13th February 2024

"Achieving Energy Efficiency in Red microLEDs for the next generation of microLED Displays" - Caroline O'Brien, Webinar, 16th January 2024

"Building the future of Semiconductor Lighting with Surface Emitting SLEDs" - Dr Juan Morales, Webinar, 6th December 2023

"Emissive displays using Organic Thin-Film Transistor Technology" - Dr Simon Ogier, Webinar, 7th November 2023

"Development of the first wireless dynamic focus liquid crystal contact lenses" - Dr James Bailey, Webinar, 25th October 2023

"Can we tame the light waves?" - Prof Mohsen Rahmani, Webinar, 19th September 2023

"Waveguides for Augmented Reality Displays" - Dr Andreas Georgiou, Webinar, 12th July 2023

"Flexible LC optics and displays for curved and biaxially formed active surfaces" - Dr Paul Cain, FlexEnable, Webinar, 28th June 2023

"Perovskites for In-Pixel Colour Conversion" - Dr Bernard Wenger, Helio Display Materials, Webinar, 12th April 2023

2022 SID session at ITC 2022, University of Surrey, Guildford, 15th Sept 2022

2020 SID session at InnoLAE 2020, Wellcome Genome Camplus, Cambridge, 21st Jan 2020

"Emerging technologies for displays" - Programme

2019 AGM and 1-Day Technical Meeting, CSA Catapult Innovation Centre, Newport, Wednesday 20th November 2019,

"Compound Semiconductors for Display Applicaitons" - Programme

2018 AGM and Evening Technical Meeting, UCL, 28th Nov 2018.

"Integrated Photonics and Electronics for Displays" - Programme

2018 LCD 50th Anniversary Meeting, Royal Academy of Engineering, 7th June 2018

Programme   Report   Review Article in "Liquid Crystals Today"

2017 1-day Technical Meeting, Flexenable, 24th October 2017

"Emerging Display Technologies" - Programme

2017 - Free Technical Meeting, BBC R+D, 27th Feb 2017

"HDR and the Future of TV" - Programme

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UK and Ireland Chapter Committee List

Chair     

Prof Tim Wilkinson

tdw13@cam.ac.uk

Vice Chair

 

 

Secretary

Dr Peter Wyatt

peter.wyatt@merckgroup.com

Treasurer

Paul Lacey

laceypaul@aol.com

Communications Officer

Tim Large

tlarge@outlook.com

Membership Secretary

Jiaqi Liu

jl2186@cam.ac.uk

 

SID 50th Anniversary

As part of the UK & Ireland Chapter's response to the 50th Anniversary of the founding of the Society for Information Display, two members have written articles:

UK Contributions to LCD Technology

We are indebted to Professor Peter Raynes, a pivotal figure in the development of LCD technology in the UK for his recollections of key moments of discovery.

 

Notes on the Development of the UKI Chapter

We also thank Dr John Mansell, an active committee member of the UK & Ireland chapter for his account of its founding.

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