Teaching and Service Experience

• Current Position: Professor, Department of Electronic Engineering, National Formosa University (2019/08 - Present)
• Past Experiences:
  • Associate Professor, Dept. of Electronic Engineering, National Formosa University (2007/08 - 2019/08)
  • Assistant Professor, Dept. of Electronic Engineering, National Formosa University (2006/02 - 2007/07)
  • Assistant Professor, Dept. of Electrical Engineering, Da-Yeh University (2005/08 - 2006/01)
  • Adjunct Assistant Professor, Dept. of Applied Physics, National Chiayi University (2005/08 - 2006/01)
  • Assistant Professor, Dept. of Electrical Engineering, Southern Taiwan University of Science and Technology (2002/08 - 2005/07)

Expertise

• Microelectronic Devices
• Optical Engine Development

Research Projects

1. Study on Multi-Conjugate Heat Transfer Characteristics and Heat Dissipation Performance Improvement of Multi-Component Packaged Heat Source Modules with Array Distribution (2013.8.1 - 2014.7.31)
2. Development of Light Source for High-Efficiency and High-Lumen Light-Emitting Diode Mini Projectors with Smart Subcarriers (2011.8.1 - 2012.7.31)
3. Optimal Design of Enhancing Cooling Performance for Heat Source Modules by Inducing Vortices and Jets with Slotted Baffles in a Rectangular Channel (2010.8.1 - 2011.7.31)
4. Study on Natural Convection Heat Transfer Characteristics and Heat Dissipation Enhancement of Modules with Densely Spaced Heat Sources Mounted on Multi-layer Packaging Substrates in Enclosures (2008.8.1 - 2010.7.31)
5. Fabrication and Packaging of Highly Uniform and High Color Rendering White Light-Emitting Diode Modules by Electrophoretic Deposition (2008.8.1 - 2009.7.31)
6. Fabrication and Packaging of Highly Uniform and High Color Rendering White Light-Emitting Diode Modules by Electrophoretic Deposition (2007.8.1 - 2010.7.31)
7. Study on Heat Transfer Characteristics and Heat Dissipation Performance Improvement of High-Power Clustered LED Die Modules in Enclosures (2007.8.1 - 2008.7.31)
8. Industry-Academia Project: Packaging and Real-Time Monitoring Technology of High-Power White LEDs (2007.5.1 - 2008.4.30)
9. Study on Coating Layer and Packaging of Organic Light-Emitting Flat Panel Display Devices (3/3) (2006.8.1 - 2007.7.31)
10. Study on Improving CdS/CdTe Thin Film Solar Cells by Plasma-Assisted Close Space Sublimation (2006.5.1 - 2007.4.30)
11. Development of Full-Spectrum High-Efficiency Solar Cells (2005.8.1 - 2006.7.31)
12. Flexible Low-Power Full-Color Organic Light-Emitting Flat Panel Displays - Subproject 7: Study on Coating Layer and Packaging of Organic Light-Emitting Flat Panel Display Devices (2005.8.1 - 2006.7.31)

1. ACS - Counseling Project for Networked Visual Management of Rotary Table Metal Processing Machines
2. ACS - Development of Sensor Cloud Early Warning System (2018.5.1 - 2019.6.30)
3. ACS - Basic Research on Vibration Coating (2017.2.1 - 2018.4.30)
4. ACS - Development of Solar LED Lights (2016.8.1 - 2017.7.31)
5. ACS - Analysis and Measurement of UV LED Modules (2016.8.1 - 2017.7.31)
6. Research on Packaging Technology of High-Power Laser Diodes (2015.3.23 - 2015.11.30)
7. Development of Flip-Chip Packaging Process for LEDs using Al-Ge-Sn Transient Liquid Phase Bonding Technology (2014.8.1 - 2015.7.31)
8. Study on Characteristics of Al-Ge-In-Sn Wafer Bonding (2011.8.1 - 2013.7.31)
9. Testing and Development of Packaging Encapsulant for High-Power LEDs (2009.1.1 - 2009.12.31)
10. Research on Packaging Technology of High-Power Laser Diodes (2015.3.23 - 2015.11.30)
11. Applied Industry-Academia: Development of Portable High-Efficiency Photovoltaic Mini Charger (2010.6.1 - 2011.5.31)
12. 2010 TVE and Industrial Park Cooperation Project - Development of Key Technologies for Al-Si Combined High-Power LED Subcarriers (99E-43-051)(99H004) (2010.1.25 - 2010.12.31)
13. Commissioned Trial Production of Leadless Flexible Optical Component Packaging (2009.6.18 - 2009.11.30)
14. Study on II-VI/III-V Heterostructure Photovoltaic Devices (2008.1.1 - 2008.12.31)
15. Study on Nitride InN/InGaN Superlattice Structure Photovoltaic Devices (2007.1.1 - 2007.12.31)
16. Study on the Application of TiO2 Thin Films in Dye-Sensitized Solar Cells (2006.8.1 - 2007.7.31)

Publications

1. Wen-Ray Chen, and You-Sheng Luo, "A Screen Method for the Mass-Production of the Small-Size and Side-View LED Package (SCI)," Crystals, 2018.
2. Wen-Ray Chen, and De-Min Wu, "Optoelectronic Effect of Reflection Wall on LED Packaging Process (SCI)," Sensors and Materials, 2018.
3. Wen-Ray Chen, "Enhanced ESD properties of GaN-based light-emitting diodes with various MOS capacitor designs (SCI)," Superlattices and Microstructures, 2010.
4. Wen-Ray Chen, "Enhanced Luminescence Efficiency of InGaN/GaN Multiple Quantum Wells by a Strain Relief Layer and Proper Si Doping (SCI)," Japanese Journal of Applied Physics, 2010.
5. Wen-Ray Chen, "Enhanced light output of InGaN LEDs with a roughened p-GaN surface using different TMGa flow rates in p-AlGaN layer (SCI)," Applied Surface Science, 2010.
6. Wen-Ray Chen, "Improving the color purity and efficiency of blue organic light-emitting diodes (BOLED) by adding hole-blocking layer (SCI)," Journal of Luminescence, 2009.
7. Wen-Ray Chen, "Improved Conversion Efficiency of Organic Solar Cells with CuPc/C60 Heterostructure by Electron Transport Layer (EI)," ECS Transactions, 2009.
8. Wen-Ray Chen, "Application of TiO2 nano-particles on the electrode of dye-sensitized solar cells (SCI)," Journal of Physics and Chemistry of Solids, 2009.
9. Wen-Ray Chen, "Electrophoretic Deposition of YAG Phosphor on SMD LED (EI)," ECS Transactions, 2009.
10. Wen-Ray Chen, "GaN p-i-n photodetectors with an LT-GaN interlayer (Others)," IET Optoelectron, 2008.
11. Wen-Ray Chen, "Low Dark Current GaN p-i-n Photodetectors With a Low-temperature AlN Interlayer (Others)," Technol. Lett, 2008.
12. Wen-Ray Chen, "InN grown on GaN/sapphire templates at different temperatures by MOCVD (SCI)," Optical Materials, 2007.
13. Wen-Ray Chen, "High responsivity of GaN p-i-n photodiode by using low-temperature interlayer (SCI)," Applied Phys. Lett, 2007.
14. Wen-Ray Chen, "Research of surface morphology in Ga(In)As epilayers on Ge grown by MOVPE for multi-junction solar cells (SCI)," Journal of Crystal Growth, 2007.
15. Wen-Ray Chen, "Superconductivity and Calorimetric Studies of Pr1.85Ce0.15CuO4+d Under Different Annealing Conditions (SCI)," Journal of Physics and Chemistry of Solids, 2007.
16. Wen-Ray Chen, "Strain-Compensated GaAsN/InGaAs Superlattice Structure Solar Cells (SCI)," Japanese Journal of Applied Physics, 2006.
17. Wen-Ray Chen, "P-down ZnSTeSe/ZnSe/GaAs heterostructure photodiodes (SCI)," IEEE Electron Device Letters, 2006.
18. Wen-Ray Chen, "Effects of nitrogen incorporation on the electronic properties of GaxIn1-xNyAs1-y epilayers probed by persistent photoconductivity (SCI)," J. Crystal Growth, 2006.
19. Wen-Ray Chen, "Preparation and characterization of gold nanodumbbells (SCI)," Nanotechnology, 2006.
20. Wen-Ray Chen, "Synthesis of the Gold Nanocubes by Electrochemical Technique (SCI)," Journal of The Electrochemical Society, 2006.
21. Wen-Ray Chen, "The influence of vicinal sapphire substrate on GaN epilayers and LED structures grown by metalorganic chemical vapor deposition (SCI)," Material Science and Engineering B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY, 2006.
22. Wen-Ray Chen, "Improvement in Linearity of Novel InGaAsN-Based High Electron Mobility Transistors (SCI)," Japanese Journal of Applied Physics, 2006.
23. Wen-Ray Chen, "Activation energy of n-GaN epitaxial layers grown on vicinal cut sapphire substrates (SCI)," J. Crystal Growth, 2005.
24. Wen-Ray Chen, "The influence of vicinal sapphire substrate on GaN epilayers and LED structures grown by metalorganic chemical vapor deposition (SCI)," Material Science and Engineering B, 2005.
25. Wen-Ray Chen, "Effect on Superconductivity and Specific Heat of Pr1.85Ce0.15CuO4+δ (SCI)," Jpn. J. Appl. Phys, 2005.
26. Wen-Ray Chen, "Study of the Electron Properties by Persistent Photoconductive Measurement in Ga[x]In[1-x]N[y]As[1-y] Grown by MOCVD (SCI)," Jpn. J. Appl. Phys, 2005.
27. Wen-Ray Chen, "Characterization of ZnCdSe/ZnSSeTe MQWs Photodetectors Grown by MBE (SCI)," Journal of the Taiwan Vacuum Society, 2005.
28. Wen-Ray Chen, "Frequency Noise of MBE-grown ZnSSeTe PIN Photodiode (SCI)," Journal of the Taiwan Vacuum Society, 2005.

1. Low Power and Battery Free LED Traffic Alarm Light, 2018 International Conference on Science, Engineering, Vocational Education and Novelty (2018 Japan).
2. Study of the Far Infrared Display by Applying the LED residual heat, 2017 International Conference on Science, Engineering, Vocational Education and Novelty (2017 China).
3. Investigation of Hole Transport Layer for the Properties of Organic Solar Cells, Electronic Materials and Nanotechnology for Green Environment (2010).
4. Growth of diamond-like carbon film and aluminum nitride film on silicon for high power LED smart submount application, Electronic Materials and Nanotechnology for Green Environment (2010).
5. Synthesis and Characterization of the Barium Titanate Nanodendrites by Co-precipitation Method, Electronic Materials and Nanotechnology for Green Environment (2010).
6. Reduction of the yellow halo emitting from YAG-based white LEDs by laser scribed electrophoretic phosphor plate, Electronic Materials and Nanotechnology for Green Environment (2010).
7. Characterization and synthesis of silica-coated silver nanoparticles by sol-gel method with controlling of adding ammonical silver nitrate amount, 19th ISAF-ECAPD (2010).
8. Emission shift upon recombination using hole blocking layer (HBL), 19th ISAF-ECAPD (2010).
9. Characterization of YAG phosphor by electrophoretic deposition technique, 19th ISAF-ECAPD (2010).
10. Effects of the Exciton Blocker Layer (EBL) on the Efficiency of CuPc/C60-Based Solar Cells, International Conference on Optics and Photonics in Taiwan (2008).
11. Characterization of ZnSTeSe/GaAs Hetero-interface by Capacitance-Voltage Method, International Conference on Optics and Photonics in Taiwan (2008).
12. ZnSe/GaAs Heterostructure Solar Cells Grown by MBE, International Conference on Optics and Photonics in Taiwan (2008).
13. Characterization of CdS/GaAs heterostructure photovoltaic devices, Thin Films 2008 (2008).
14. Characterization of phosphor directly coated onto smd leds by using electrophoretic deposition, 2nd International Congress on Ceramics (2008).
15. M-MTDATA film as a protective coating in organic light-emitting diodes, 3rd International Congress on Ceramics (2008).
16. Fabrication of TiO2 Nanotube on ITO Glass by Electrochemistry Method, EDSSC 2007 IEEE Conference (2007).
17. Growth Of ZnO Nanorods by Hydrotherothermal Method Under Different Temperatures, EDSSC 2007 IEEE Conference (2007).
18. GaN Photodetectors with TiO2 Nanoparticle Surface Roughening Layer, 2007 Optics and Photonics Taiwan (2007).
19. Study on Photoluminescence Properties of InN Epitaxial Films, 2007 Optics and Photonics Taiwan (2007).
20. Study on ZnSe/GaAs PIN Heterostructure Solar Cells, 2007 Optics and Photonics Taiwan (2007).
21. Packaging Process and Luminance Measurement of High-Power SMD-LEDs, Solar Cell Industry-Academia Forum and Result Presentation (2007).
22. Study on Full-Spectrum Heterostructure Photovoltaic Devices, Solar Cell Industry-Academia Forum and Result Presentation (2007).
23. Application of CdS Window Layer in GaAs Solar Cells, Solar Cell Industry-Academia Forum and Result Presentation (2007).
24. Development of Full-Spectrum High-Efficiency Solar Cells, NSC Heat Flow and Energy Division Result Presentation and Planning Meeting (2007).
25. ZnSe/GaAs Heterostructure Photovoltaic Devices, 11th Nano Engineering and Microsystems Technology Conference (2007).
26. Study on Characteristics of InN Epitaxial Films, 2007 Modern Electrical Technology Conference (2007).
27. m-MTDATA Film as a Packaging Layer for OLEDs, 2007 Modern Electrical Technology Conference (2007).
28. LiF Film as a Packaging Layer for OLEDs, 2007 Renewable Energy Technology and Application Conference (2007).
29. Growth of InN on GaN templates at different temperatures by metalorganic chemical vapor deposition, 2006 IEDMS (2006).
30. InGaN/GaN Blue LEDs prepared on vicinal sapphire substrates, 2006 IEDMS (2006).
31. Synthesis of Gold Nanorods with Dogbone-Like Structures by the Seeded Mediated Growth Method, 2006 IEDMS (2006).
32. Preparation of Silver Nano-particles by Evaporation Method, 2006 IEDMS (2006).
33. Highly-Strained InGaAs/GaAs Superlattice Single Junction for Next-Generation High-Efficiency Solar Cells, 2006 IEDMS (2006).
34. Characterization of the Cadmium Sulfide Films by Chemical Bath Deposition, 2006 IEDMS (2006).
35. Moisture-Barrier Properties of Carbon-coated Silicon Oxide Films, SSDM 2006 (2006).
36. Application of Nanoparticles in the Fabrication of Dye-Sensitized Solar Cell Electrodes, Taiwan Vacuum Society 2005 Annual Meeting (2006).
37. 4x4 ZnSSeTe/ZnSe/GaAs PIN Photodoide Array, Taiwan Vacuum Society 2005 Annual Meeting (2006).
38. Moisture-Barrier properties of silicon carbide oxide thin films prepared by RIE treatment, Taiwan Vacuum Society 2005 Annual Meeting (2006).
39. Organic solvent synthesis of the Gold Nanodumbbell structure by electrochemical approach, Taiwan Vacuum Society 2005 Annual Meeting (2006).
40. Study on Growth of SiOx and Chromium Multilayer Moisture Barrier Films by E-beam Evaporation Deposition, 2005 Thin Film and Nanotechnology Conference (2005).
41. Effect of the Passivation Layers on Organic Light Emitting Diode, IQEC and CLEO-PR 2005 (2005).
42. Low Frequency Noise of MBE-grown ZnSSeTe PIN Photodiode, MBE Taiwan 2005 (2005).
43. Characterization of ZnCdSe/ZnSSeTe MQWs Photodetectors Grown by MBE, MBE Taiwan 2005 (2005).
44. Study on Application of Protective Layer for OLED Packaging, Optoelectronic Display Research Result Presentation and Industry-Academia Forum (2005).
45. Synthesis of YAG:Ce Phosphor Powders by Coprecipitation Method and Study on White LED Packaging, Optoelectronic Display Research Result Presentation and Industry-Academia Forum (2005).

Special Achievements

1. Silver Medal, 25th Malaysia ITEX International Invention, Innovation and Technology Exhibition (Malaysian Invention and Design Society, 2014)
2. Gold Medal, British Invention Show and Awards (British Invention Society, 2013)
3. Silver Medal, Seoul International Invention Fair (Korea Invention Promotion Association, 2011)
4. Bronze Medal, 22nd Malaysia ITEX (Malaysian Invention and Design Society, 2011)
5. Gold Medal, Seoul International Invention Fair (Korea Invention Promotion Association, 2010)
6. Silver Medal, Seoul International Invention Fair (Korea Invention Promotion Association, 2010)
7. Bronze Medal, Malaysia International Invention Fair (Malaysian Invention and Design Society, 2010)

1. Infrared Cupping Device (First Author, Invention Patent, Taiwan, from 2018.11.27)
2. Active Adsorption Carrier Device (First Author, Utility Model Patent, Taiwan, from 2017.9.11)
3. Detection Method for Monitoring Water Content in Lubricating Oil by Light Transmittance Area (Second Author, Invention Patent, Taiwan, from 2017.3.21)
4. Evaporator Feeder (First Author, Utility Model Patent, Taiwan, from 2016.11.21)
5. Bulb Light (First Author, Utility Model Patent, Taiwan, from 2016.7.11)
6. Breast Milk Cooler (First Author, Utility Model Patent, Taiwan, from 2016.6.11)
7. Detection Method for Monitoring Water Content in Lubricating Oil by Light Transmittance Area (Second Author, Invention Patent, Taiwan, from 2016.1.7)
8. Molecular Structure Model for Displaying Atomic Composition of Molecules (First Author, Utility Model Patent, Taiwan, from 2015.3.16)
9. LED Optimized Lighting Device (First Author, Invention Patent, Taiwan, from 2014.8.21)
10. Self-Active Packaging Method for UV LED and the Prepared UV LED (First Author, Invention Patent, Taiwan, from 2014.3.21)
11. Mobile Pet Carrier with Temperature Regulation Function (First Author, Utility Model Patent, Taiwan, from 2014.1.11)
12. LED Food Warmer (First Author, Invention Patent, Taiwan, from 2013.4.1)
13. LED Solar Anti-Theft Garden Light (First Author, Utility Model Patent, Taiwan, from 2011.6.23)
14. Hidden CCTV Anti-Theft Lighting Projector (First Author, Utility Model Patent, Taiwan, from 2011.6.11)
15. Mosquito Gathering Device (Second Author, Invention Patent, Taiwan, from 2008.10.11)