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Nov-Dec Cover 2018.qxp_SID Cover 11/1/18 3:08 PM Page 1 INORGANIC EMISSIVE TECHNOLOGY Nov./Dec. 2018 Official Publication of the Society for Information Display • www.informationdisplay.org Vol. 34, No. 6 THE FUTURE LOOKS RADIANT ENSURING QUALITY FOR THE NEXT GENERATION OF AR/VR DISPLAYS Radiant light and color measurement solutions replicate human visual perception to evaluate how users will experience new technology like near-eye and head-mounted displays. ID TOC Issue6 p1_Layout 1 11/2/2018 7:16 AM Page 1 Information SOCIETY FOR INFORMATION DISPLAY SID NOVEMBER/DECEMBER 2018 DISPLAY VOL. 34, NO. 6 ON THEINORGANIC COVER: EMISSIVE TECHNOLOGY One of the most exciting display trends is the re-emergence of inorganic emissive technology, including quantum dots and metal-halide perovskites. Nov./Dec. 2018 Official Publication of the Society for Information Display • www.informationdisplay.org Vol. 34, No. 6 contents 2 Editorial: The Future is Bright for Emissive Technologies n By Stephen Atwood 4 Guest Editorial: Exciting Times n By Ruiqing (Ray) Ma 6 President’s Corner: SID Needs YOU n By Helge Seetzen 8 Industry News n By Jenny Donelan Cover Design: Acapella Studios, Inc. 10 Frontline Technology: A New Frontier for Quantum Dots in Displays Quantum-dot enhancement film (QDEF) is giving LCD technology an edge as it battles new TV display entrants such as white organic light-emitting diodes (WOLEDs). Recent advances in quantum-dot properties are also enabling new and innovative implementations. n By Ernest Lee, Chunming (Kevin) Wang, Jeff Yurek, and Ruiqing Ma 14 Frontline Technology: The Dawn of QLED for the FPD Industry In the Next Issue of Rapid improvements in the operating lifetimes of QLEDs, as well as investments into Information Display large-scale production lines for inkjet printing, are bringing the electroluminescent High-Performance Displays application of quantum dots for flat-panel displays closer to commercialization. • High-Dynamic Range n By Chaoyu Xiang, Weiran Cao, Yixing Yang, Lei Qian, and Xiaolin Yan • Wide Color Gamut 18 Frontline Technology: Metal-Halide Perovskites: Emerging Light-Emitting • Automotive Displays Materials • The State of 8K Perovskite LEDs are an emerging display technology with potential for low-cost manufacturing, high light quality, and energy efficiency. n By Lianfeng Zhao and Barry P. Rand 23 Display Marketplace: Can MicroLEDs and Quantum Dots Revitalize Inorganic Displays? For the past several years, the flat-panel display technology battle has been between LCD and OLED. But innovations in inorganic semiconductor materials and devices INFORMATION DISPLAY (ISSN 0362-0972) is published 6 times a year for the Society for Information Display by Palisades Convention have opened the door for microLEDs and quantum dots to move from supporting to Management, 411 Lafayette Street, 2nd Floor, New York, NY 10003; leading roles. William Klein, President and CEO. EDITORIAL AND BUSINESS OFFICES: Jenny Donelan, Editor in Chief, Palisades Convention By Paul Semenza Management, 411 Lafayette Street, 2nd Floor, New York, NY 10003; n telephone 212/460-9700. Send manuscripts to the attention of the Editor, ID. SID HEADQUARTERS, for correspondence on sub-scriptions and membership: Society for Information Display, 1475 S. Bascom Ave., 27 Business of Displays: Q&A with Plessey Ste. 114, Campbell, CA 95008; telephone 408/879-3901, fax -3833. SUB SCRIPTIONS: Information Display is distributed without charge n By Jenny Donelan to those qualified and to SID members as a benefit of membership (annual dues $100.00). Subscriptions to others: U.S. & Canada: $75.00 one year, $7.50 single copy; elsewhere: $100.00 one year, $7.50 single copy. PRINTED by Wiley & Sons. PERMISSIONS: Abstracting is 30 SID News: LA Chapter One-Day Seminar, DIA Nomination Deadline, permitted with credit to the source. Libraries are permitted to photocopy beyond the limits of the U.S. copyright law for private use of patrons, and more providing a fee of $2.00 per article is paid to the Copyright Clearance Center, 21 Congress Street, Salem, MA 01970 (reference serial code 0362-0972/17/$1.00 + $0.00). Instructors are permitted to photocopy 32 Corporate Members and Index to Advertisers isolated articles for noncommercial classroom use without fee. This permission does not apply to any special reports or lists published in this magazine. For other copying, reprint or republication permission, write to Society for Information Display, 1475 S. Bascom Ave., Ste. 114, For Industry News, New Products, Current and Forthcoming Articles, Campbell, CA 95008. Copyright © 2018 Society for Information see www.informationdisplay.org Display. All rights reserved. Information Display 6/18 1 ID Editorial Issue6 p2,9_Layout 1 11/1/2018 3:29 PM Page 2 editorial Information DISPLAY The Future Is Bright for Emissive Executive Editor: Stephen P. Atwood Technologies 617/306-9729, [email protected] Editor in Chief: Jenny Donelan by Stephen P. Atwood 603/924-9628, [email protected] Welcome to the final issue for 2018, and one that is Global Ad Director: especially forward-looking, as you can see from our cover. Dan Nicholas, [email protected] Throughout the year, we have heard a lot of discussion about Senior Account Manager emissive materials and their potential. They were a major Print & E-Advertising: theme at Display Week 2018, and they are clearly supported Roland Espinosa by a great deal of R&D spending around the world. 201/748-6819, [email protected] Emissive technologies, organic and inorganic, in various forms, have been around since the birth of information displays. CRTs used phosphors, which are inorganic Editorial Advisory Board emissive compounds that often utilized rare-earth metals, to make their images. Plasma Stephen P. Atwood, Chair displays also used phosphors, and there have been many other examples, such as Azonix Corp. vacuum-fluorescent and thin-film electroluminescent displays. Many of these displays Ioannis ( John) Kymissis Electrical Engineering Department, Columbia worked in certain applications, but for various reasons lacked the ability to scale in University terms of size (larger or smaller), resolution, optical performance, or other aspects that Larry Weber limited their commercial life. And yes, I know it’s rather glib to write off 100 years of Consultant CRT technology as having “limited” commercial life. But as we know today, there are a multitude of product embodiments such as tablets, smartphones, and large-screen Guest Editors TVs that were never going to be achieved with CRTs. Hence the generational hunger Lighting in our industry for something more – the same hunger that continues to drive Marina Kondakova, OLEDWorks researchers toward even better solutions today. As you will learn in this issue, many AR/VR hope to find those solutions through entirely new classes of emissive technologies. Seth Coe-Sullivan, Luminit Automotive Displays One-Day Conference from the LA Chapter Karlheinz Blankenbach, Pforzheim University However, before we dive into the emissive articles for this issue, I want to draw your Digital Signage attention to the terrific upcoming program on “Selecting and Customizing Gary Feather, NanoLumens Display Products” being hosted by the Los Angeles Chapter of the Society for Emissive Technology Information Display on February 8, 2019. I’m told this is the chapter’s 15th year Ruiqing (Ray) Ma, Nanosys organizing this annual program, which proves time and again to be one of the most useful and practical technical seminars in SID’s regional portfolio. I have attended Contributing Editors several of these programs in the past, including ones on advanced television, LCD Steve Sechrist, Consultant modules, and LEDs. I referred to the notes from the 2008 LED conference many, Paul Semenza, Consultant many times while designing ruggedized backlights over the years that followed. Raymond M. Soneira, DisplayMate Technologies The organizing team in LA includes many well-known industry veterans, including this year’s conference chair Larry Iboshi. The speaker lineup looks to be stellar as well. In our SID News department you can read more about the details of the event. And let’s be honest: what’s not to like about a trip to LA in early February, especially to spend a day at the Costa Mesa Country Club? Emissive Progress Our guest editor for this issue is Ruiqing (Ray) Ma, who is currently working as the director for QD devices at Nanosys. Ray has served both as a guest editor and contributing author for ID many times and continues to be one of our go-to experts for emissive technology. In his guest editorial for this issue, Ray expresses renewed excitement about the prospects for emissive technology to help define the future of The opinions expressed in editorials, columns, and displays. Whether through the further merging of quantum dots (QDs) and LCDs or feature articles do not necessarily reflect the opinions of through completely new emissive display architectures, the options are becoming the executive editor or publisher of Information Display more viable for breakthrough product designs. Thanks to Ray for all his hard work in magazine, nor do they necessarily reflect the position of the Society for Information Display. developing our technical lineup for this month. (continued on page 9) 2 Information Display 6/18 WeWe can can convert convert Concept Concept to toProduction Production in ina fewa few months months FoundryFoundry Capability Capability for for MEMs, MEMs, OLED, OLED, Banks, Banks, OPV, OPV,
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