Ultra-thin glass - 有機エレクトロニクスイノベーションセンター
Transcription
Ultra-thin glass - 有機エレクトロニクスイノベーションセンター
Innovation Center for Organic Electronics Yamagata University Organic Thin Film Device Consortium Participating Companies (Jan. 2015) Greeting “Yamagata University Organic Thin Film Device Consortium” [*] studies on “Flexible Substrates with Alternative Electrode of ITO (Indium Thin Oxide) for Organic Electronics” by university-industry collaboration. The developed technologies will contribute next generation flexible organic electronics products such as OLED, OPV, etc. [*] supported by “R&D subsidiary program for promotion of academia-industry cooperation” of Ministry of Economy, Trade and Industry of Japan. INOEL Director Prof./Dr. Hiroshi Iizuka R&D Subjects “Flexible Substrates with Alternative Electrode of ITO (Indium Thin Oxide) for Organic Electronics” * Flexible substrates for organic electronics (ultra-thin glass, stainless steel foil, plastic film) * Alternative electrodes of ITO * Roll to roll (R2R) technologies Dexerials Mitsubishi Plastics DIC NEC Lighting DNP Nippon Electric Glass FEBACS JNC Nippon Steel & Sumitomo Metal / Nippon Steel & Sumikin Materials Kaneka Okura Industrial KOBELCO Tokai Shoji (SERIA) Koito Manufacturing Shin-Etsu Chemical Komori Machinery Taiyo Kikai Merck Performance Materials Manufacturing Teijin Mitsubishi Materials Website Project term April 2013 – March 2016 http://inoel.yz.yamagata-u.ac.jp/F-consortium/index2.htm R&D Contents Solution materials Evaporation materials Ultra-thin glass Stainless steel foil Plastic film Ultra-thin glass ZEON CORPORATION Original R2R equipment Non-ITO transparent electrode Roll-to-Roll (R2R) process Barrier / Planarization Flexible substrate Stainless steel foil Plastic film Sputtering & CVD (KOBELCO) Sputtering and CVD (KOBELCO) Screen printing (SERIA) Gravure offset and Flexography printing (Komori Machinery / Taiyo Kikai) Wet clearing (FEBACS) Screen printing (SERIA) Gravure offset and Wet clearing Flexography printing (FEBACS) (Komori Machinery / Taiyo Kikai) Prototypes OLED on ultra-thin glass OLED on ultra-thin glass with ITO fabricated by R2R process without photolithography Features OLED on stainless steel foil OLED with non-ITO transparent electrode Main members Technology Integration based on collaboration among companies with various technologies * substrates, materials, printing, equipment, devices, etc. Initiative of Yamagata University * Leaders are Professors who left private companies. Introduction of original Roll-to-roll (R2R) equipment Contribution for the revival from 2011 Tohoku earthquake Prof. Dr. M. Koden (Project leader) Prof. H. Nakada (Technical fellow) Associate Prof. T. Furukawa (R2R technologies) Project Researcher Dr. H. Kobayashi (Flexible substrates) (Contact) Prof. M. Koden koden@yz.yamagata-u.ac.jp Prof. H. Nakada [email protected] URL : http://inoel.yz.yamagata-u.ac.jp/F-consortium/index2.htm TEL : +81-238-29-0575 FAX : +81-238-29-0569 Innovation Center for Organic Electronics Yamagata University Organic Thin Film Device Consortium OLED devices with ultra-thin glass OLED devices with stainless steel foil Flexible OLED panel was fabricated on an ultra-thin glass with the thickness of 50mm OLED panel was fabricated on a stainless steel foil with the thickness of 50mm 【Features of ultra-thin glass】 Flexibility (applicable to R2R) Excellent gas barrier property, excellent temperature resistance, excellent chemical resistance, low thermal expansion, etc. 【Features of stainless steel foil】 Flexibility (applicable to R2R) Excellent gas barrier property, excellent temperature resistance, excellent chemical resistance, low thermal expansion, etc. Substrate size : 92mm X 92mm Emission aria : 75mm X 75mm Substrate size : 50mm X 50mm Emission aria : 32mm X 32mm *OLED panel : fabricated by NEC Lighting Ltd. UniversalPHOLEDⓇ Phosphorescent OLED Technology and Materials from Universal Display Corporation *Ultra-thin glass: Nippon Electric Glass Co., Ltd. *Stainless steel foil: Nippon Steel and Sumikin Metal Group *Light extraction enhancement film: ZEON CORPORATION M. Koden, H. Kobayashi, T. Moriya, N. Kawamura, T. Furukawa, H. Nakada, IDW’14, FLX6/FMC6-1 (2014). Flexible OLED devices on ultra-thin glass with ITO fabricated by Roll-to-Roll peeresses Flexible OLED panel was fabricated on ultra-thin glass with ITO fabricated by roll-to-roll processes 【Features of developed processes】 ITO is Deposited and patterned by roll-to-roll processes Photolithography free ◆Collaborative study of Nippon Steel and Sumikin Metal Group and Yamagata University drying curing dryer furnace coating gravure roll coating solution roll of planarized stainless steel foil N. Yamada, H. Kobayashi, S. Yamaguchi, J. Nakatsuka, K. Nose, K. Uemura, M. Koden, H. Nakada, IDW’14, FLX6/FMC6-4L (2014). OLED devices with non-ITO transparent electrode Non-ITO transparent electrode with a stacked layer of silver nanowire and conducting polymer.was developed and applied to OLED panel. 【Features of non-ITO developed transparent electrode】 ITO free Stacking of silver nanowire with low resistivity and conducting polymer for emission uniformity. Solution process⇒Low cost production Possible to apply to flexible devices ※ITO: Indium Tin Oxide ※ITO: Indium Tin Oxide [*1] supplied from ZEON CORPORATION [*2] supplied from Ajinomoto Fine-Techno Co., Inc. This technology is developed by a collaboration among Yamagata University, Nippon Electric Glass, Teijin, Tokai Syoji, Tokai Seiki, FEBACS, Dai Nippon Printing and Kobe Steel. Substrate size : 50mm X 50mm Emission aria : 32mm X 32mm Substrate size : 50mm X 50mm Emission aria : 32mm X 32mm T. Furukawa, K. Mitsugi, H. Itoh, D. Kobayashi, T. Suzuki, H. Kuroiwa, M. Sakakibara, K. Tanaka, N. Kawamura, M. Koden , IDW’14, FLX3-4 (2014). D. Kobayashi, N. Naoi, T. Suzuki, T. Sasaki, T. Furukawa , IDW’14, FLX2-1 (2014). お問い合わせ先 有機エレクトロニクスイノベーションセンター E-mail : [email protected] URL : http://inoel.yz.yamagata-u.ac.jp/ TEL : 0238-29-0566 FAX : 0238-29-0567