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 nakada@yz.yamagata-u.ac.jp
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 ： kouinoel@jm.kj.yamagata-u.ac.jp
URL ： http://inoel.yz.yamagata-u.ac.jp/
TEL ： 0238-29-0566 FAX ： 0238-29-0567