2020-2022 YAMAGATA UNIVERSITY Research Seeds Collection
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Flexible and transparent OLED panel High barrier structureby wet process84OTFT using ink jet processAll solution-processed backplane80,000 OTFT formationPrinted electrodesMinimum Line/Space5μm/5μmFlexible color OLED driven by OTFTsFlexibleall solution-processed backplaneYamagata University Innovation Center for Organic ElectronicsE-mail :suzuri@yz.yamagata-u.ac.jpResearch InterestTel :+81-238-29-0577 OLED, Organic photo-chemistryFax:+81-238-29-0569E-mail ・ suzuri@yz.yamagata-u.ac.jpTel ・ +81-238-29-0577 Fax ・ +81-238-29-0569HP・ http://inoel.yz.yamagata-u.ac.jp/suzuri-lab/Yamagata UniversityGraduate School of Science and Engineering Research Interest :OLED, Organic photo-chemistryHP :http://inoel.yz.yamagata-u.ac.jp/suzuri-lab/Flexible deviceWet processed high barrier structure  We have achieved the world's first high barrier structure (wet-TFE) by wet process on OLEDs. This is an innovative technology that can be used not only for OLEDs, but also for other devices and packages that need to be protected from water vapor . Due to their flexibility and ability to be coated at low temperatures, organic semiconductors have been actively used in organic thin film transistors (OTFTs). The mobility of conventional OTFTs has been at around that of a-Si, but we have recently succeeded in developing an extremely high-performance OTFTs with a hole mobility of 16 cm2/Vs using novel organic semiconductor materials and polymer-based gate insulators. We have been engaged in the development of a high-density OTFTs (100ppi) array; as well as processes which combine photolithography and printing methods, or fully solution-based processes which involve only printing and coating. As a result, we have succeeded in developing flexible-color organic EL displays which use OTFTs.  We have been engaged in research on organic devices (e.g., high-density solution-processed OTFTs and flexible displays which use fine printing/processing techniques of organic/inorganic materials) in collaboration with universities and industry and seek to develop the electronics industry.Content::Total research for flexible OLEDsContentOLED (Organic Light-Emitting Diode) finds applications not only Total research for flexible OLEDsin displays, but also in a wide range of industrial fields such as  OLED (Organic Light-Emitting Diode) finds applications not lighting, signage, and automobile, because of its unique features such only in displays, but also in a wide range of industrial fields as "flexibility" and "transparency". The key to the widespread use of such as lighting, signage, and automobile, because of its OLEDs is the "innovative flexible technology" that provides flexible unique features such as “flexibility” and “transparency”. The key to the widespread use of OLEDs is the “innovative panels at low cost. Our laboratory is researching new technologies flexible technology” that provides flexible panels at low cost. in addition to general technologies. Our laboratory is researching new technologies in addition We are focusing on (1) flexible panel technology, (2) wet coating to general technologies. process for cost reduction, and (3) demonstration of OLED systems  We are focusing on (1) flexible panel technology, (2) wet to propose new applications. Large area panels (200 mm sq.) can be coating process for cost reduction, and (3) demonstration of OLED systems to propose new applications. Large area fabricated in our lab.. Also we can develop drive circuits for OLED panels (200 mm sq.) can be fabricated in our lab.. Also we panels. can develop drive circuits for OLED panels. Appealing point::Wet processed high barrier structure Special objectivesWe have achieved the world's first high barrier structure (wet-TFE) by wet process on OLEDs. This is an innovative technology that can be used not only for OLEDs, but also for other devices and packages that need to be protected from water vapor .Content:ContentDuetotheirflexibilityandabilitytobecoatedatlowtemperatures,organicsemiconductorshavebeenactivelyusedinorganicthinfilmtransistors(OTFTs).ThemobilityofconventionalOTFTshasbeenataroundthatofa-Si,butwehaverecentlysucceededindevelopinganextremelyhigh-performanceOTFTswithaholemobilityof16cm2/Vsusingnovelorganicsemiconductormaterialsandpolymer-basedgateinsulators.Wehavebeenengagedinthedevelopmentofahigh-densityOTFTs(100ppi)array;aswellasprocesseswhichcombinephotolithographyandprintingmethods,orfullysolution-basedprocesseswhichinvolveonlyprintingandcoating.Asaresult,wehavesucceededindevelopingflexible-colororganicELdisplayswhichuseOTFTs.Appealingpoint:Special objectivesWehavebeenengagedinresearchonorganicdevices(e.g.,high-densitysolution-processedOTFTsandflexibledisplayswhichusefineprinting/processingtechniquesoforganic/inorganicmaterials)incollaborationwithuniversitiesandindustryandseektodeveloptheelectronicsindustry.Yamagata University Innovation Center for Organic ElectronicsResearch Interest :Organic thin film transistorYamagata University Innovation Center for Organic Electronics Research InterestOrganic thin film transistor Flexible deviceE-mail :m_mizukami@yz.yamagata-u.ac.jp E-mail ・ m_mizukami@yz.yamagata-u.ac.jp Tel ・ +81-238-29-0574Tel :+81-238-29-0574Fax ・ +81-238-29-0569Fax:+81-238-29-0569HP・ https://inoel.yz.yamagata-u.ac.jpHP :https://inoel.yz.yamagata-u.ac.jpYoshiyuki Suzuri Next generation flexible technology forOLEDs Next generation flexible technology for OLEDs Research on High-Density Solution-Processed Organic Thin Film Transistor Research on High-Density Solution-Processed Organic Thin Film Transistor Associate Professor Makoto MizukamiAssociate Professor Associate Professor Yoshiyuki Suzuri Associate Professor Makoto Mizukami

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