Juan “Rachel” He

Ph.D. Student in Optics (Advisor: Prof. Shin-Tson Wu; Co-advisor: Prof. Yajie Dong)

Email: hejuan@knights.ucf.edu

Phone: (407)810-1870

Fax: (407)823-6880

CREOL, College of Optics and Photonics,

University of Central Florida,

4000 Central Florida Blvd.

Orlando, Florida 32816-2700

Education:

08/2014 - Present	Ph. D. in optics, CREOL, The College of Optics & Photonics, University of Central Florida, Orlando, Florida, U.S.
09/2011 - 07/2014	M.S. in Semiconductor Optoelectronics & Nanomaterial, Center of Material Science and Condensed Matter Physics, Department of Physics, Peking University
09/2007 - 07/2011	B.S. in Physics, Department of Physics, Peking University

Honors & Awards:

05/2018	SPIE Optics and Photonics Education Scholarship
04/2018	UCF CREOL Industrial Affiliates Program Best Poster Presentation Award
01/2018	UCF NSTC Student Travel Award
01/2018	DOE Solid State Lighting R&D Workshop Student Poster Winners Award
12/2017	International Display Workshops (IDW) Best Paper Award
2016-2017	Society for Information Display (SID) Distinguished Student Paper Award
08/2014	Graduate Dean’s Fellowship, University of Central Florida
08/2014	CREOL Graduate Research Fellowship, University of Central Florida
10/2012	Academic Excellence Award
10/2012	Outstanding Student Cadres
08/2010	Merit Student of Peking University
08/2010	Tung OOCL Scholarship
10/2007	Freshman Scholarship
11/2006	Chinese Physics Olympiad (CPhO), second prize

Leadership & Service:

12/2015 – present	President of IEEE Photonics Society UCF Student Chapter
09/2015 – present	Board Member of CAOS Student Organization @ CREOL, UCF
09/2014– 09/2015	Webmaster of IEEE Photonics Society UCF Student Chapter

Journal Publications:

1. J. He, H. Chen, J. Chen, Y. Wang, S. T. Wu, and Y. Dong, “Hybrid downconverters with green perovskite-polymer composite films for wide color gamut displays,” Opt. Express 25, 12915-12925 (2017).

2. (Frontline technology) Y. Dong, H. Chen, J. He, and S. T. Wu, “Emerging solution-processable luminescent nanomaterials in hybrid structures offer new solutions for displays and lighting,” Information Display 2, 6-9 (March/April 2017).

3. H. Chen, R. Zhu, J. He, W. Duan, W. Hu, Y.Q. Lu, M. C. Li, S. L. Lee, Y. Dong, and S. T. Wu, “Going beyond the limit of an LCD’s color gamut,” (Nature) Light: Science and Applications 6, e17043 (2017).

4. (Invited paper) H. Chen, J. He, and S. T. Wu, “Recent advances in quantum-dot-enhanced liquid crystal displays,” IEEE. J. Selected Topics in Quantum Electronics, 23(5), 1900611 (2017).

5. (Outstanding Student Paper of the year 2017)H. Chen, J. He, R. Lanzafame, I. Stadler, H. El Hamidi, H. Liu, J. Celli, M. R. Hamblin, Y. Huang, E. Oakley, G. Shafirstein, H. K. Chung, S. T. Wu, and Y. Dong, “Quantum dot light emitting devices for photomedical applications,” J. SID 25(5), 177-184 (2017).

6. (Co-first author) Y. Wang, J. He, H. Chen, J. Chen, R. Zhu, P. Ma, A. Towers, Y. Lin, A. J. Gesquiere, S. T. Wu, and Y. Dong, “Ultrastable, Highly Luminescent Organic–Inorganic Perovskite–Polymer Composite Films,” Adv. Mater. 28(48), 10710-10717 (2016).

7. D. Xu, F. Peng, G. Tan, J. He, and S. T. Wu, “A Semi-Empirical Equation for the Response Time of In-Plane Switching Liquid Crystal Display and Measurement of Twist Elastic Constant,” J. Appl. Phys. 117, 203103 (2015).

8. T. Yan, J. He, W. Yang, K. Rajabi, W. Chen, J. Wu, X. Kang, G. Zhang, and X. Hu: “Optical Properties of a Novel Parabolic Quantum Well Structure in InGaN/GaN Light Emitters,” Phys. Status Solidi A 212, No. 5, 925-929 (2015).

9. J. He, X. Hu: “Carrier Trapping Induced Abnormal Temperature Dependent Photoluminescence Properties of Novel Sandwiched Structure InGaN Quantum Wells,” Phys. Status Solidi C 11, No. 3–4, 706–709 (2014)

10. W. Yang, D. Li, J. He, C. Wang and X. Hu: “Temperature-Dependent AC Current-Voltage-Capacitance Characteristics of GaN-Based Light-Emitting Diodes Under High Forward Bias,” Phys. Status Solidi C 11, No. 3-4, 714-717 (2014)

11. W. Yang, D. Li, J. He and X. Hu: “Advantage of Tapered and Graded AlGaN Electron Blocking Layer in InGaN-Based Blue Laser Diodes,” Phys. Status Solidi C 10, No. 3, 346–349 (2013)

Conference Presentations:

1. (Student Poster Winner) J. He, C. Zhang, E. Calkins, Y. Wang, H. Chen, S. T. Wu, and Y. Dong: “Stable, Cost-Effective Perovskite-Polymer Composites as Tunable Downconverters for Tailored Lighting” 2018 DOE SSL R&D Workshop Student Poster Competition Winner, January 2018

2. (Best Paper Award) J. He, H. Chen, S. T. Wu, and Y. Dong: “Luminescent Perovskite-Polymer Composite Films for Display,” International Display Workshops, December 2017

3. J. He, H. Chen, S. T. Wu, and Y. Dong: “Wide-Color-Gamut Display Based on Ultrastable Perovskite-Polymer Films and Red QDs/Phosphors,” Society for Information Display’s Display Week 2017 Oral Presentation, May 2017

4. (Distinguished student paper) H. Chen, J. He, R. Lanzafame, I. Stadler, H. El Hamidi, H. Liu, J. Celli, M. R. Hamblin, Y. Huang, E. Oakley, G. Shafirstein, H. K. Chung, S. T. Wu, and Y. Dong: “Quantum-Dot LEDs (QLEDs) for Photomedical Applications,” Society for Information Display’s Display Week 2017 Distinguished Paper & Oral Presentation, May 2016

5. (Distinguished student paper) J. He, H. Chen, S. T. Wu, and Y. Dong: “Integrated Sensing Platform Based on Quantum Dot LEDs,” Society for Information Display’s Display Week 2016 Distinguished Paper & Oral Presentation, May 2016

6. H. Chen, J. He, J. Chen, S. T. Wu and Y. Dong: “High Efficacy, High Color Quality Hybrid White OLEDs Incorporating Red Quantum Dots with Narrow Emission Bands,” Society for Information Display’s Display Week 2016 Oral Presentation, May 2016

Useful Links:

Prof. S. T. Wu’s Homepage, Prof. Y. Dong’s Homepage, IEEE Photonics Society UCF Student Branch, CREOL

Problems regarding this website should be directed to Juan He.