Photonics and Display Group

Liquid Crystal Display

Haiwei Chen

Ph.D. student in Optics & Photonics

Email: haiwei.chen@knights.ucf.edu

Office: Room 290, CREOL

Phone: (407) 823-6822

University of Central Florida

College of Optics & Photonics: CREOL & FPCE

4304 Scorpius St.,

Orlando, Florida 32816-2700

Education:

08/2013-Present	Ph. D. in progress, CREOL, University of Central Florida, Orlando, Florida, U.S.
09/2009-06/2013	Bachelor’s degree in Opto-electronic Information Engineering, School of Instrumentation Science and Opto-electronics Engineering, Beihang University, Beijing, China

Honors & Awards:

10/2017	IEEE Orlando Section Outstanding Graduate Student (1 recipient every year)
10/2017	IEEE Orlando Section Graduate Student Scholarship
06/2017	IEEE Photonics Society Graduate Student Fellowship (10 recipients worldwide)
05/2017	SPIE Optics and Photonics Education Scholarship
02/2017	SPIE-Newport Research Excellence Award
06/2017	SID Student Travel Grant
06/2017	Graduate Presentation Fellowship, University of Central Florida
06/2016	SID Distinguished Student Paper Awards (1 as first author + 2 as coauthors)
06/2016	SID Student Travel Grant
06/2016	Graduate Presentation Fellowship, University of Central Florida
06/2015	SID Distinguished Student Paper Awards (1 as first author + 1 as coauthor)
06/2015	SID Student Travel Grant
06/2015	Graduate Presentation Fellowship, University of Central Florida
09/2013	CREOL Graduate Research Assistantship, University of Central Florida
04/2013	May 4^th Youth Medal, Beihang University
09/2012	National Scholarship, China’s Ministry of Education
09/2011	National Scholarship, China’s Ministry of Education
09/2010	National Scholarship, China’s Ministry of Education
10/2011	Outstanding Student Leader, Beihang University

Leadership & Service:

09/2015 – 09/2016	President of Society for Information Display (SID) UCF Student Branch
09/2014 – 09/2015	Vice President of Society for Information Display (SID) UCF Student Branch
09/2013 – 09/2014	Webmaster of Society for Information Display (SID) UCF Student Branch
03/2010 – 03/2012	Committee Member of Capital Campus Press Union (CCPU)
03/2010 – 03/2012	President of students’ newspaper in Beihang University

Journal Publications:

1. (Review paper) H. Chen, J. H. Lee, B. Y. Lin, S. Chen, and S. T. Wu, “Liquid crystal display and organic light-emitting diode display: present status and future perspectives,” Light: Science and Applications 7, e17168 (2018). (Nature family, Impact factor: 14.098).

2. Z. He, H. Chen, Y. H. Lee, and S. T. Wu, “Tuning the correlated color temperature of white light-emitting diodes resembling Planckian locus,” Opt. Express 26, (2018).

3. H. Chen, G. Tan, and S. T. Wu, “Ambient contrast ratio of LCDs and OLED displays,” Opt. Express 25(26), 33643-33656 (2017).

4. 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," Light: Science and Applications 6, e17043 (2017). (Nature family, Impact factor: 14.098).

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

6. H. Chen, G. Tan, M. C. Li, S. L. Lee, and S. T. Wu, "Depolarization effect in liquid crystal displays," Opt. Express 25(10), 11315-11328 (2017).

7. (Review paper) G. Tan, Y. H. Lee, F. Gou, H. Chen, Y. Huang, Y.F. Lan, C.Y. Tsai, and S. T. Wu, “Review on polymer-stabilized short-pitch cholesteric liquid crystal displays," J. Phys. D: Appl. Phys. 50, (2017). DOI: 10.1088/1361-6463/aa916a

8. R. Zhu, H. Chen, and S. T. Wu, "Achieving 12-bit perceptual quantizer curve with liquid crystal display," Opt. Express 25(10), 10939-10946 (2017).

9. 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(11), 12915-12925 (2017).

10. F. Gou, H. Chen, M. C. Li, S. L. Lee, and S. T. Wu, "Submillisecond-response liquid crystal for high-resolution virtual reality displays," Opt. Express 25(7), 7984-7997 (2017).

11. F. Gou, F. Peng, Q. Ru, Y. H. Lee, H. Chen, Z. He, T. Zhan, K. L. Vodopyanov, and S. T. Wu, "Mid-wave infrared beam steering based on high-efficiency liquid crystal diffractive waveplates," Opt. Express 25(19), 22404-22410 (2017).

12. H. Chen, R. Zhu, M. C. Li, S. L. Lee, and S. T. Wu, "Pixel-by-pixel local dimming for high-dynamic-range liquid crystal displays," Opt. Express 25(3), 1973-1984 (2017).

13. Y. Huang, H. Chen, G. Tan, H. Tobata, S-I Yamamoto, E. Okabe, Y. F. Lan, C. Y. Tsai, and S. T. Wu, "Optimized blue-phase liquid crystal for field-sequential-color displays," Opt. Mater. Express 7(2), 641-650 (2017).

OSA News: http://www.osa.org/en-us/about_osa/newsroom/news_releases/2017/novel_liquid_crystal_could_triple_sharpness_of_tod/

14. F. Peng, H. Chen, F. Gou, Y. H. Lee, M. Wand, M. C. Li, S. L. Lee, and S. T. Wu, "Analytical equation for the motion picture response time of display devices," J. Appl. Phys. 121, 023108 (2017).

15. H. Chen, G. Tan, Y. Huang, Y. Weng, T. H. Choi, T. H. Yoon and S. T. Wu, "A low voltage liquid crystal phase grating with switchable diffraction angles," Sci. Rept. 7, 39923 (2017).

16. H. Chen, F. Gou, and S. T. Wu, "A submillisecond-response nematic liquid crystal for augmented reality displays," Opt. Mater. Express 7(1), 195-201 (2017).

17. H. Chen, R. Zhu, G. Tan, M.C. Li, S.-L. Lee, and S. T. Wu, "Enlarging the color gamut of liquid crystal displays with a functional reflective polarizer," Opt. Express 25(1), 102-111 (2017).

18. H. Chen, Y.F. Lan, C. Y. Tsai, and S. T. Wu, "Low-voltage blue-phase liquid crystal display with diamond-shape electrodes," Liq. Cryst. 44(7), 1124-1130, (2017).

19. H. Chen, F. Peng, F. Gou, Y. H. Lee, M. Wand, and S. T. Wu, "Nematic LCD with motion picture response time comparable to organic LEDs," Optica 3(9), 1033-1034 (2016).

20. M. Hu, Z. An, J. Li, H. Chen, F. Peng, S. T. Wu, X. Wang and M. Li, "Low mid-infrared absorption tolane liquid crystals terminated by 2, 2-difluorovinyloxy: synthesis, characterization and properties," J. Mater. Chem. C. 4(22), 4939-4945 (2016).

21. J. Li, W. Du, A. Gao, G. Bie, M. Hu, H. Chen, and S. T. Wu, "Enlarging the Kerr constant of polymer-stabilised blue phases with a novel chiral monomer," Liq. Cryst. 43(7), 937-943 (2016).

22. F. Peng, F. Gou, H. Chen, Y. Huang, and S. T. Wu, "A submillisecond-response liquid crystal for color sequential projection displays," J. Soc. Inf. Disp. 24(4), 241-245 (2016).

23. R. Zhu, H. Chen, T. Kosa, P. Coutino, G. Tan, and S. T. Wu, "High-ambient-contrast augmented reality with a tunable transmittance liquid crystal film and a functional reflective polarizer," J. Soc. Inf. Disp. 24(4), 229-233 (2016).

24. H. Chen, Y. Weng, D. Xu, N.V. Tabiryan, and S. T. Wu, "Beam steering for virtual/augmented reality displays with a cycloidal diffractive waveplate," Opt. Express 24(7), 7287-7298 (2016).

25. H. Chen, R. Zhu, Y. H. Lee, and S. T. Wu, "Correlated color temperature tunable white LED with a dynamic color filter," Opt. Express 24(6), A731-A739 (2016).

26. H. Chen, R. Zhu, J. Zhu, and S. T. Wu, "A simple method to measure the twist elastic constant of a nematic liquid crystal," Liq. Cryst. 42(12), 1738-1742 (2015).

27. H. Chen, F. Peng, M. Hu, and S. T. Wu, "Flexoelectric effect and human eye perception on the image flickering of a liquid crystal display," Liq. Cryst. 42(12), 1730-1737 (2015).

28. R. Zhu, Z. Luo, H. Chen, Y. Dong, and S.T. Wu, "Realizing Rec. 2020 color gamut with quantum dot displays," Opt. Express 23(18), 23680-23693 (2015).

29. H. Chen, Z. Luo, R. Zhu, Q. Hong, and S. T. Wu, "Tuning the correlated color temperature of white LED with a guest-host liquid crystal," Opt. Express 23(10), 13060-13068 (2015).

30. F. Peng, Y. H. Lee, H. Chen, Z. Li, A. E. Bostwick, R. J. Twieg, and S. T. Wu, "Low absorption chlorinated liquid crystals for infrared applications," Opt. Mater. Express 5(6), 1281-1288 (2015).

31. H. Chen, M. Hu, F. Peng, J. Li, Z. An, and S. T. Wu, "Ultra-low viscosity liquid crystals," Opt. Mater. Express 5(3), 655-660 (2015).

32. H. Chen, Z. Luo, D. Xu, F. Peng, S.T. Wu, M.C. Li, S.L. Lee, and W.C. Tsai, "A fast-response A-film-enhanced fringe field switching liquid crystal display," Liq. Cryst. 42(4), 537-542 (2015).

33. Z. Luo, H. Chen, Y. Liu, S. Xu, and S. T. Wu, "Color-tunable light emitting diodes based on quantum dot suspension," Appl. Opt. 54(10), 2845-2850 (2015).

34. Z. Luo, F. Peng, H. Chen, M. Hu, J. Li, Z. An, and S. T. Wu, "Fast-response liquid crystals for high image quality wearable displays," Opt. Mater. Express 5(3), 603-610 (2015).

35. D. Xu, H. Chen, S. T. Wu, M.C. Li, S. L. Lee, and W. C. Tsai, "A fringe field switching liquid crystal display with fast grayscale response time," J. Display Technol. 11(4), 353-359 (2015).

36. F. Peng, D. Xu, H. Chen, and S. T. Wu, "A low voltage polymer network liquid crystal for infrared spatial light modulators," Opt. Express 23(3), 2361-2368 (2015).

37. F. Peng, H. Chen, S. Tripathi, R. J. Twieg, and S. T. Wu, "Fast-response infrared phase modulator based on polymer network liquid crystal," Opt. Mater. Express 5(2), 265-273 (2015).

38. D. Xu, F. Peng, H. Chen, J. Yuan, S. T. Wu, M. C. Li, S. L. Lee, and W. C. Tsai, "Image sticking in liquid crystal displays with lateral electric fields," J. Appl. Phys. 116, 193102 (2014).

39. H. Chen, F. Peng, Z. Luo, D. Xu, S.T. Wu, M.C. Li, S. L. Lee, and W. C. Tsai, "High performance liquid crystal displays with a low dielectric constant material," Opt. Mater. Express 4(11), 2262-2273 (2014). (Top 10 most cited papers in Optical Materials Express in 2014-2016)

40. F. Peng, Y. Chen, J. Yuan, H. Chen, and S.T. Wu, "Low temperature and high frequency effects of polymer-stabilized blue phase liquid crystals with a large dielectric anisotropy," J. Mater. Chem. C. 2(18), 3597-3601 (2014).

41. X. Zhao, Z. Zheng, L. Liu, Q. Wang, H. Chen, and J. Liu, "Fast, long-scan-range pump-probe measurement based on asynchronous sampling using a dual-wavelength mode-locked fiber laser," Opt. Express 20(23), 25584-25589 (2012).

Conference Proceedings:

1. H. Chen, F. Gou, and S. T. Wu, "Submillisecond-response nematic LC for wearable displays," SID Symp. Dig. Tech. Pap. 48(1), 377-380 (2017).

2. H. Chen, R. Zhu, M. C. Li, S. L. Lee, and S. T. Wu, "High dynamic range LCD with pixel-level local dimming," SID Symp. Dig. Tech. Pap. 48(1), 890-893 (2017).

3. H. Chen, Y. F. Lan, C. Y. Tsai, and S. T. Wu, "Single-TFT-driving blue-phase LCD with diamond-shape electrodes," SID Symp. Dig. Tech. Pap. 48(1), 1903-1906 (2017).

4. H. Chen, R. Zhu, G. Tan, M. C. Li, S. L. Lee, and S. T. Wu, "Wide-color-gamut LCD with a functional reflective polarizer," SID Symp. Dig. Tech. Pap. 48(1), 1659-1662 (2017).

5. D. Wyatt, H. Chen, and S. T Wu, "Wide-color-gamut LCDs with Vivid Color LED technology," SID Symp. Dig. Tech. Pap. 48(1), 992-995 (2017).

6. Y. H. Lee, H. Chen, R. Martinez, Y. Sun, S. Pang and S. T. Wu, "Multi-image plane display based on polymer-stabilized cholesteric texture," SID Symp. Dig. Tech. Pap. 48(1), 760-762 (2017).

7. F. Peng, H. Chen, F. Gou, Y. H. Lee, M. Wand, M. C. Li, S. L. Lee, and S. T. Wu, "An LCD with submillisecond motion picture response time," SID Symp. Dig. Tech. Pap. 48(1), 1826-1829 (2017).

8. J. He, H. Chen, H. Chen, Y. Wang, S T Wu, and Y. Dong, "Wide color gamut display based on ultrastable perovskite-polymer film and red QDs/phosphors," SID Symp. Dig. Tech. Pap. 48(1), 349-352 (2017).

9. (Invited talk) H. Chen, F. Peng, F. Gou, M. Wand, and S. T. Wu, "Fast-response LCDs for virtual reality applications," Proc. SPIE 10125, 101251E (2017).

10. J. He, H. Chen, H. Chen, Y. Wang, J. Chen, R. Zhu, S. T. Wu, and Y. Dong, "Wide color gamut LCDs with narrow green emitting films," Proc. SPIE 10125, 101251D (2017).

11. (Distinguished student paper) H. Chen, F. Peng, M. Hu, and S. T. Wu, "Flexoelectric effect on image flickering of fringe field switching LCDs," SID Symp. Dig. Tech. Pap. 47(1), 274-277 (2016).

12. H. Chen, R. Zhu, K. Käläntär, and S. T. Wu, "Quantum dot-enhanced LCDs with wide color gamut and broad angular luminance distribution," SID Symp. Dig. Tech. Pap. 47(1), 1413-1416 (2016).

13. H. Chen, R. Zhu, Y. H. Lee, and S. T. Wu, "Correlated color temperature tunable WLED for smart lighting," SID Symp. Dig. Tech. Pap. 47(1), 46-49 (2016).

14. (Distinguished student paper) F. Peng, H. Chen, F. Gou, Y. Huang, and S. T. Wu, "A submillisecond-response liquid crystal for color sequential projection displays," SID Symp. Dig. Tech. Pap. 47(1), 179-182 (2016).

15. R. Zhu, Z. Luo, H. Chen, Y. Dong, and S. T. Wu, "Quantum dot LCDs for Rec. 2020," SID Symp. Dig. Tech. Pap. 47(1), 765-767 (2016).

16. (Distinguished student paper) R. Zhu, H. Chen, G. Tan, T. Kosa, P. Coutino, and S. T. Wu, "A high-ambient-contrast augmented reality system," SID Symp. Dig. Tech. Pap. 47(1), 1025-1028 (2016).

17. (Distinguished student paper) Z. Luo, F. Peng, H. Chen, M. Hu, J. Li, Z. An, and S. T. Wu, "High image quality wearable displays with a fast-response liquid crystal," SID Symp. Dig. Tech. Pap. 46(1), 1-4 (2015).

18. H. Chen, F. Peng, S. T. Wu, M. Hu, J. Li, Z. An, M. C. Li, S. L. Lee, and W. C. Tsai, "Low dielectric constant materials for high performance LCDs," SID Symp. Dig. Tech. Pap. 46(1), 450-453 (2015).

19. D. Xu, H. Chen, S. T. Wu, M. C. Li, S. L. Lee, and W. C. Tsai, "Fast-response fringe field switching LCD with patterned common electrode," SID Symp. Dig. Tech. Pap. 46(1), 652-655 (2015).

20. (Distinguished student paper) H. Chen, Z. Luo, D. Xu, F. Peng, S. T. Wu, M. C. Li, S. L. Lee, and W. C. Tsai, "A fast-response A-film-enhanced fringe field switching LCD," SID Symp. Dig. Tech. Pap. 46(1), 656-660 (2015).

21. (Invited talk) H. Chen, Y. Gao and S. T. Wu, "n-FFS vs. p-FFS: Who wins?" SID Symp. Dig. Tech. Pap. 46(1), 735-738 (2015).

22. D. Xu, F. Peng, H. Chen, J. Yuan, S. T. Wu, M. C. Li, S. L. Lee, and W. C. Tsai, "Image sticking reduction of fringe field switching LCDs," SID Symp. Dig. Tech. Pap. 46(1), 739-742 (2015).

23. F. Peng, D. Xu, H. Chen, and S. T. Wu, "A low-voltage and fast-response infrared spatial light modulator," SID Symp. Dig. Tech. Pap. 46(1), 831- 834 (2015).

24. F. Peng, Y. Chen, J. Yuan, H. Chen, S. T. Wu, and Y. Haseba, "Low temperature and high frequency effects on blue phase liquid crystals," SID Symp. Dig. Tech. Pap. 45(1), 164-167 (2014)

25. H. Chen, Y. Wan, X. Zhao, and Z. Zheng, “Tuning dispersion of Bloch surface waveguide by changing the band structure,” Chinese Institute of Electronics Youth Conference (CIE_YC2012), Beijing, China.

Patents:

1. H. Chen, S. T. Wu, Y. F. Lan, C. Y. Tsai, “Liquid crystal display systems and related methods with pixel elements driven at different frequencies,” US patent (2016, pending).

2. H. Chen, S. T. Wu, W. Duan, M. C. Li, S. L. Lee, “Display devices and related methods involving patterned phase retarding,” US patent (2017, pending).

3. H. Chen, S. T. Wu, M. C. Li, S. L. Lee, “Top-alignment vertical alignment fringe in-plane switching (VA-FIS) liquid crystal display,” US patent (2017, pending).

Journal Reviewer:

Optics Express, IEEE Photonics Journal, Journal of Selected Topics in Quantum Electronics, Journal of Display Technology, Applied Optics, Journal of the Optical Society of America B, Journal of the Society for Information Display

Research Tools:

Techwiz LCD, DIMOS, MATLAB, LightTools, TFCalc, Zemax

Hobbies:

Sleeping, Reading, Animation/Cartoon

Useful Links:

Prof. Wu’s Homepage, SID UCF Student Branch, CREOL