Hirotake KAJII


Influence of Polymer Gate Dielectrics on p-Channel and n-Channel Formation of Fluorene-type Polymer Light-emitting Transistors
Hirotake KAJII Masato ISE Hitoshi TANAKA Takahiro OHTOMO Yutaka OHMORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/02/01
Vol. E98-C  No. 2  pp. 139-142
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
polymer light-emitting transistorpolyfluoreneambipolar transportgate dielectric
 Summary | Full Text:PDF(403KB)

Multilayer Polyfluorene-Based Light-Emitting Diodes for Frequency Response Up to 100 MHz
Hirotake KAJII Toshinari KOJIMA Yutaka OHMORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/02/01
Vol. E94-C  No. 2  pp. 190-192
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
organic light-emitting diodespolyfluorenetransient propertyhigh speed response
 Summary | Full Text:PDF(288KB)

Organic Photodetectors Using Triplet Materials Doped in Polyalkylfluorene
Tatsunari HAMASAKI Taichiro MORIMUNE Hirotake KAJII Yutaka OHMORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/12/01
Vol. E91-C  No. 12  pp. 1859-1862
Type of Manuscript:  Special Section PAPER (Special Section on The Forefront of 21st Century Organic Molecular Electronics)
Category: Materials & Devices
Keyword: 
organic photodetectorssolution processpolymer materialphosphorescent material
 Summary | Full Text:PDF(386.6KB)

Flexible Organic Field-Effect Transistors Based on the Composites with the Same Thiophene Backbone by Wet Process
Hirotake KAJII Hiroshi OKUYA Shohei FUKUDA Akinori SAKAKIBARA Yutaka OHMORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/12/01
Vol. E89-C  No. 12  pp. 1779-1780
Type of Manuscript:  Special Section LETTER (Special Section on Towards the Realization of Organic Molecular Electronics)
Category: Organic Molecular Devices
Keyword: 
organic transistoroligothiophenepoly(3-alkylthiophene)poly(ethylene naphthalate)field-effect mobility
 Summary | Full Text:PDF(240.9KB)

Investigation of Photoluminescence and Electroluminescence in Combination of Eu Complex and Blue Phosphorescent Dye Doped System
Yuichi HINO Hirotake KAJII Yutaka OHMORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/10/01
Vol. E89-C  No. 10  pp. 1465-1468
Type of Manuscript:  PAPER
Category: Organic Molecular Electronics
Keyword: 
polymerphosphorescenceeuropium complexblue phosphorwet-processing
 Summary | Full Text:PDF(330.7KB)

Fabrication and Characteristics of Low-Molecular Phosphorescent Organic Light-Emitting Diodes Employed by Wet-Process
Yuichi HINO Hirotake KAJII Yutaka OHMORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/12/01
Vol. E87-C  No. 12  pp. 2053-2058
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Organic Molecular Electronics)
Category: Characterization and Abilities of Organic Electronic Devices
Keyword: 
TDAPBstarburst moleculephosphorescent materialorganic light-emitting diodewet-process
 Summary | Full Text:PDF(331.9KB)

Organic Light Emitting Diode Using Starburst Molecule Doped with Rubrene Fabricated by Wet-Processing for Application on an Electro-Optical Conversion Device
Hirotake KAJII Kazuya TAKAHASHI Yuichi HINO Yutaka OHMORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/12/01
Vol. E87-C  No. 12  pp. 2059-2063
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Organic Molecular Electronics)
Category: Characterization and Abilities of Organic Electronic Devices
Keyword: 
organic light emitting devicestarburst moleculerubrenewet-processingelectro-optical conversion device
 Summary | Full Text:PDF(699.6KB)

Application of Organic Light Emitting Diode Based on the Alq3 Emissive Layer to the Electro-Optical Conversion Device
Hirotake KAJII Takahisa TSUKAGAWA Takayuki TANEDA Yutaka OHMORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/06/01
Vol. E85-C  No. 6  pp. 1245-1246
Type of Manuscript:  Special Section LETTER (Special Issue on Recent Progress in Organic Molecular Electronics)
Category: Electronic Devices
Keyword: 
organic light emitting deviceAlq3pulse frequency modulationelectro-optical conversion device
 Summary | Full Text:PDF(217.7KB)