Takashi Takeda

Best Publications

• Down-Conversion Nitride Materials for Solid State Lighting: Recent Advances and Perspectives.

  Le Wang;Rong-Jun Xie;Takayuki Suehiro;Takashi Takeda

  769
  Citations

• Pyridine‐Containing Triphenylbenzene Derivatives with High Electron Mobility for Highly Efficient Phosphorescent OLEDs

  Shi-Jian Su;Takayuki Chiba;Takashi Takeda;Junji Kido

  680
  Citations

• Pyridine-Containing Bipolar Host Materials for Highly Efficient Blue Phosphorescent OLEDs

  Shi-Jian Su;Hisahiro Sasabe;Takashi Takeda;Junji Kido

  587
  Citations

• Yellow-Orange-Emitting CaAlSiN3:Ce3+ Phosphor: Structure, Photoluminescence, and Application in White LEDs

  Y. Q. Li;N. Hirosaki;R. J. Xie;T. Takeda

  484
  Citations

• Ultra High Efficiency Green Organic Light-Emitting Devices

  Daisaku Tanaka;Hisahiro Sasabe;Yan-Jun Li;Shi-Jian Su

  461
  Citations

• Capacitance and Pore-Size Distribution in Aqueous and Nonaqueous Electrolytes Using Various Activated Carbon Electrodes

  M. Endo;T. Maeda;T. Takeda;Y. J. Kim

  447
  Citations

• Achieving High Quantum Efficiency Narrow-Band β-Sialon:Eu2+ Phosphors for High-Brightness LCD Backlights by Reducing the Eu3+ Luminescence Killer

  Shuxing Li;Shuxing Li;Le Wang;Daiming Tang;Yujin Cho

  332
  Citations

• Rare-Earth Activated Nitride Phosphors: Synthesis, Luminescence and Applications

  Rong-Jun Xie;Naoto Hirosaki;Yuanqiang Li;Takashi Takeda

  329
  Citations

• Wide-Energy-Gap Electron-Transport Materials Containing 3,5-Dipyridylphenyl Moieties for an Ultra High Efficiency Blue Organic Light-Emitting Device

  Hisahiro Sasabe;Eisuke Gonmori;Takayuki Chiba;Yan-Jun Li

  272
  Citations

• Unique Color Converter Architecture Enabling Phosphor-in-Glass (PiG) Films Suitable for High-Power and High-Luminance Laser-Driven White Lighting.

  Peng Zheng;Shuxing Li;Le Wang;Tian-Liang Zhou

  247
  Citations

• Ca 1 −x Li x Al 1 − x Si 1+x N 3 :Eu 2+ solid solutions as broadband, color-tunable and thermally robust red phosphors for superior color rendition white light-emitting diodes

  Le Wang;Rong-Jun Xie;Yuanqiang Li;Xiaojun Wang

  234
  Citations

• Structure–Property Relationship of Pyridine-Containing Triphenyl Benzene Electron-Transport Materials for Highly Efficient Blue Phosphorescent OLEDs

  Shi-Jian Su;Yasuyuki Takahashi;Takayuki Chiba;Takashi Takeda

  223
  Citations

• Trap Depth Engineering of SrSi2O2N2:Ln2+,Ln3+ (Ln2+ = Yb, Eu; Ln3+ = Dy, Ho, Er) Persistent Luminescence Materials for Information Storage Applications

  Yixi Zhuang;Ying Lv;Le Wang;Wenwei Chen

  210
  Citations

• Narrow-Band Green-Emitting Phosphor Ba2LiSi7AlN12:Eu2+ with High Thermal Stability Discovered by a Single Particle Diagnosis Approach

  Takashi Takeda;Naoto Hirosaki;Shiro Funahshi;Rong-Jun Xie

  202
  Citations

• Wide Color Gamut Backlight for Liquid Crystal Displays Using Three-Band Phosphor-Converted White Light-Emitting Diodes

  Rong-Jun Xie;Naoto Hirosaki;Takashi Takeda

  194
  Citations

• Novel Electron-transport Material Containing Boron Atom with a High Triplet Excited Energy Level

  Daisaku Tanaka;Takashi Takeda;Takayuki Chiba;Soichi Watanabe

  190
  Citations

• High Luminous Efficiency Blue Organic Light-Emitting Devices Using High Triplet Excited Energy Materials

  Daisaku Tanaka;Yuya Agata;Takashi Takeda;Soichi Watanabe

  189
  Citations

• Crystal structure and photoluminescence of Mn2+–Mg2+ codoped gamma aluminum oxynitride (γ-AlON): A promising green phosphor for white light-emitting diodes

  Rong-Jun Xie;Naoto Hirosaki;Xue-Jian Liu;Takashi Takeda

  184
  Citations

• Novel four-pyridylbenzene-armed biphenyls as electron-transport materials for phosphorescent OLEDs.

  Shi-Jian Su;Daisaku Tanaka;Yan-Jun Li;Hisahiro Sasabe

  157
  Citations

• Unique Design Strategy for Laser-Driven Color Converters Enabling Superhigh-Luminance and High-Directionality White Light

  Peng Zheng;Shuxing Li;Ran Wei;Le Wang

  147
  Citations

• Highly Efficient and Thermally Stable Blue-Emitting AlN:Eu2+ Phosphor for Ultraviolet White Light-Emitting Diodes

  Kazuo Inoue;Naoto Hirosaki;Rong Jun Xie;Takashi Takeda

  141
  Citations

• Synthesis and Luminescence Properties of Orange–Red‐Emitting M2Si5N8:Eu2+ (M=Ca, Sr, Ba) Light‐Emitting Diode Conversion Phosphors by a Simple Nitridation of MSi2

  Hui-Li Li;Rong-Jun Xie;Naoto Hirosaki;Takashi Takeda

  120
  Citations

• Nitrogen Gas Pressure Synthesis and Photoluminescent Properties of Orange-Red SrAlSi4N7:Eu2+ Phosphors for White Light-Emitting Diodes

  Jian Ruan;Rong-Jun Xie;Naoto Hirosaki;Takashi Takeda

  119
  Citations

• New insights into the microstructure of translucent CaAlSiN3:Eu2+ phosphor ceramics for solid-state laser lighting

  Shuxing Li;Shuxing Li;Daiming Tang;Zifeng Tian;Xuejian Liu

  117
  Citations

• A search for extra-high brightness laser-driven color converters by investigating thermally-induced luminance saturation

  Yirong Xu;Shuxing Li;Peng Zheng;Le Wang

  106
  Citations

• Nitride and oxynitride phosphors for white LEDs: Synthesis, new phosphor discovery, crystal structure

  Takashi Takeda;Rong-Jun Xie;Takayuki Suehiro;Naoto Hirosaki

  102
  Citations

• Moisture-induced degradation and its mechanism of (Sr,Ca)AlSiN3:Eu2+, a red-color-converter for solid state lighting

  Jie Zhu;Jie Zhu;Le Wang;Tianliang Zhou;Yujin Cho;Yujin Cho

  97
  Citations

• Structure, luminescence and energy transfer in Ce3+ and Mn2+ codoped γ-AlON phosphors

  Jiayong Si;Jiayong Si;Le Wang;Lihong Liu;Wei Yi

  87
  Citations

• Luminescence properties of SrSi6N8:Eu2+

  Kousuke Shioi;Naoto Hirosaki;Rong-Jun Xie;Takashi Takeda

  87
  Citations

• Structure, Luminescence, and Application of a Robust Carbidonitride Blue Phosphor (Al1–xSixCxN1–x:Eu2+) for Near UV-LED Driven Solid State Lighting

  Le Wang;Xiaojun Wang;Takashi Takeda;Naoto Hirosaki

  83
  Citations

• Critical Review—Narrow-Band Nitride Phosphors for Wide Color-Gamut White LED Backlighting

  Shuxing Li;Rong-Jun Xie;Rong-Jun Xie;Takashi Takeda;Naoto Hirosaki

  82
  Citations