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Department of Electro-Optical Engineering, Taipei Tech
Home > People > Faculty > Heng-Long Yang
Heng-Long Yang


Heng-Long Yang
Assistant Professor
Office: Everlight Building, Room 813
Phone: +886-2-2771-2171 ext 4638
Fax: +886-2-8773-3216





  • Ph.D. in Physics (Optics Concentration), University of Massachusetts at Lowell, USA


  • Assistant Professor, Department of Electro-Optical Engineering, National Taipei University of Technology

Research Area

  • Mobility characteristics and device physics of organic light-emitting diodes
  • Modeling of dynamical degradation process of operating OLED: non-destructive characterization techniques for Organic Semiconductor Devices and Interfaces
  • Power-saving technologies related to active-matrix organic light-emitting displays (AM-OLED)
  • Modeling of wave-form signals for operating AM-OLED
  • Novel surface-lighting technologies related to white organic light-emitting diodes (WOLED)

Research Projects

  • The Study of Current Signal Dely in Active-Matrix Organic Light-Emitting Display (NSC 2010)
  • Smart Backlighting Technology by White Organic Light-Emitting Diodes (NSC 2010)


- Journal Papers

  1. "The Study of the Sublimable Six-coordinated Aluminum Quinolate with Sulfonamide Substitutents," Chemical Physics Letters, 397 (2004) 302
  2. "Crystal Structure of Tris (5-N-ethylanilinesulfonamide-8-quinolinolato) aluminum (III) Ethanol(1/2)," Analytical Sciences, vol. 20 (2004)
  3. "Solution Processible Small Molecular Organic Light-emitting Diode Material and Devices Based on the Substituted Aluminum Quinolate," Accepted for publication in June 2004 by "Chemistry of Materials"
  4. "White Organic Electroluminescence from Exciplex Based on the Substituted Aluminum Quinolate Complex," Submitted to "Advanced Functional Materials" (May 2004)

- Conference Papers

  1. "Recent Progress in AM-OLED/PLED Development: Feasibility of Vertical Integration in OLED/PLED Industry," invited speech at the 2nd International OLED and PLED Workshop in Taipei (Nov 2003)
  2. "The Study of Light-Output Efficiency in Top-Emission Type OLED/PLED Devices," oral presentation at the 23rd International Display Research Conference (IDRC2003) (Sep 2003)
  3. "Diamond-like Carbon (DLC) Films as Transparent Passivation Layer for AM-PLED," invited paper and speaker at the 2003 international Display and Manufacturing Conference (IDMC2003) (Feb 2003)
  4. "Diamond-like Carbon Films as Passivation Layer for Top-Emission AMOLED," the 11th International Workshop on Inorganic and Organic Electroluminescence (EL2002) (Sep 2002)
  5. "Development of AMOLED: An Introduction," invited talk for marketing at the 7th Asian Symposium on Information Display (ASID 2002) (July 2002)
  6. "A Novel Multi-Transistor Pixel Circuit for Active-Matrix OLEDs," 2002 International Symposium on Information Display (SID 2002) (May 2002)
  7. "Morphological Study of Light-Emitting Polymer films Prepared by Micro Dispensing Approach," SPIE's 46th Annual Meeting (July 2001)
  8. "A Reduced-complexity Patterning Technique for Active Matrix Polymer Light-Emitting Diodes by Micro-dispending Approach," oral presentation at the 10th International Workshop on Inorganic and Organic Electroluminescence (EL2000) (Dec 2000),