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ZiqianHe 

Photonics and Display Group

Liquid Crystal Display

Ziqian He

Ph. D. student  in Optics

Email: zhe@Knights.ucf.edu 

Office: Room 290, CREOL

Phone:  (407) 765-3259

Fax: 407-823-6880

 

University of Central Florida

College of Optics & Photonics: CREOL & FPCE

4000 Central Florida Blvd.

Orlando, Florida 32816-2700

 

 

Education:

08/2016-Present

Ph. D. in progress, CREOL, University of Central Florida, Orlando, Florida, U.S.

09/2012-06/2016

B.S. in Materials Physics, Nanjing University

 

Honors & Awards:

2020

Dean’s Dissertation Fellowship, University of Central Florida

2020

Graduate Student Scholarship, IEEE Orlando

2020

Honorable Mention, DOE SSL Workshop

2019-2020

Distinguished Student Paper Award, SID International Symposium

2016

ORC Scholarship, University of Central Florida

 

Journal Publications:

1.       Z. He, K. Yin, and S.T. Wu, “Miniature planar telescopes for efficient, wide-angle, high-precision beam steering,” Light Sci. & Appl. 10, 134 (2021).

2.      K. Yin, Z. He, K. Li, and S. T. Wu, “Doubling the FOV of AR displays with a liquid crystal polarization-dependent combiner,” Opt. Express 29(8), 11512-11519 (2021).

3.      (Distinguished student paper) Z. He and S. T. Wu, “Compact, fast-response, continuous, and wide-angle laser beam steerers,” J. Soc. Inf. Display 29, 281-287 (2021).

4.      (Distinguished student paper) E. L. Hsiang, Y. Li, Z. He, T. Zhan, C. Zhang, Y. F. Lan, Y. Dong, and S. T. Wu, “Doubling the optical efficiency of color-converted micro-light-emitting-diode displays with a patterned cholesteric liquid crystal polymer film,” J. Soc. Inf. Display 29, 288-297 (2021).

5.      (Distinguished student paper) K. Yin, Z. He, K. Li, and S. T. Wu, “Novel polarization-dependent combiner for wide field-of-view glass-like near-eye displays,” J. Soc. Inf. Display 29, 311-317 (2021).

6.      (Review paper) K. Yin, Z. He, J. Xiong, J. Zou, K. Li, and S. T. Wu, “Virtual Reality and Augmented Reality Displays: Advances and Future Perspectives,” J. Phys. Photonics 3, 022010 (2021).

7.      C. Zhang, Z. He, M. Mogensen, A. J. Gesquiere, C.H. Chen, T.L. Chiu, J.H. Lee, S.T. Wu, and Y. Dong, “A Deep-dyeing Strategy for Ultra-stable, Brightly Luminescent Perovskite-polymer Composites,” J. Mater. Chem. C. 9, 3396-3402 (2021).

8.     Z. He, K. Yin, K.H. Fan-Chiang, and S. T. Wu, “Enlarging the Eyebox of Maxwellian Displays with a Customized Liquid Crystal Dammann Grating,” Crystals 11, 195 (2021).

9.      J. Zou, Z. He, Q. Yang, K. Yin, K. Li, and S. T. Wu, “Large-angle two-dimensional grating with hybrid mechanisms,” Opt. Lett. 46(4), 920-923 (2021).

10.  Z. He, K. Yin, and S. T. Wu, “Peculiar polarization response in chiral liquid crystal stacks for multispectral camouflage,” Opt. Express 29(2), 2931-2939 (2021).

11.   K. Yin, J. Xiong, Z. He, and S. T. Wu, “Patterning Liquid Crystal Alignment for Ultra-Thin Flat Optics,” ACS Omega 5, 31485-31489 (2020).

12.  E. L. Hsiang, Y. Li, Z. He, T. Zhan, C. Zhang, Y. Dong, and S. T. Wu, “Enhancing the efficiency of color conversion micro-LED display with a patterned cholesteric liquid crystal polymer film,” Nanomaterials 10, 2430 (2020).

13.  E. L. Hsiang, Q. Yang, Z. He, J. Zou, and S. T. Wu, “Halo effect in high-dynamic-range mini-LED backlit LCDs,” Opt. Express 28(24), 36822-36837 (2020).

14.  J. Zou, E. L. Hsiang, T. Zhan, K. Yin, Z. He, and S. T. Wu, “High Dynamic Range Head-up Display,” Opt. Express 28(16), 24298-24307 (2020).

15.  T. Zhan, K. Yin, J. Xiong, Z. He, and S. T. Wu, “Augmented reality and virtual reality: perspectives and challenges,” iScience 23, 101397 (2020).

16.  Z. He, K. Yin, and S. T. Wu, “Standing wave polarization holography for realizing liquid crystal Pancharatnum-Berry phase lenses,” Opt. Express 28(15), 21729-21736 (2020).

17.   K. Yin, T. Zhan, J. Xiong, Z. He, and S.T. Wu, “Polarization Volume Gratings for Near-eye Displays and Novel Photonic Devices,” Crystals 10, 561 (2020).

18.  E. L. Hsiang, Z. He, Y. Huang, F. Gou, Y. F. Lan, and S. T. Wu, “Improving the power efficiency of micro-LED displays with optimized LED chip sizes,” Crystals 10, 494 (2020).

19.  D. Franklin, Z. He, P. M. Ortega, A. Safaei, P. C. Abad, S. T. Wu, D. Chanda, “Plasmonic Hybridization for Angle-Independent Structural Color Displays with Actively Addressed Black States,” Proc. Nat. Acad. Sci. U. S. A. 117(24), 13350-13358 (2020)

20. Z. He, G. Tan, Y.F. Lan, and S.T. Wu, “Design and Simulation of Low Circadian Action Micro-LED displays with Four Primary Colors,” Crystals 10, 383 (2020).

21.  (Distinguished student paper) Z. He, K. Yin, E. L. Xiang, and S. T. Wu, “Birefringent light-shaping films for mini-LED backlights,”  J. Soc. Inf. Disp. 28, 476-482 (2020).

22. Z. He, K. Yin, and S. T. Wu, “Passive polymer-dispersed liquid crystal enabled multi-focal plane displays,” Opt. Express 28(10), 15294-15299 (2020).

23. J. He, Z. He, A. Towers, T. Zhan, H. Chen, L. Zhou, C. Zhang, R. Chen, T. Sun, A. J. Gesquiere, S. T. Wu, and Y. Dong, “Ligand Assisted Swelling-Deswelling Microencapsulation (LASDM) for Stable, Color Tunable Perovskite-Polymer Composites,” Nanoscale Adv. 2, 2034-2043 (2020).

24. Z. He, K. Yin, E.L. Hsiang and S.T. Wu, “Volumetric light-shaping polymer-dispersed liquid crystal films for mini-LED backlights,” Liq. Cryst. 47(10), 1458-1463 (2020).

25. K. Yin, Z. He, and S. T. Wu, “Reflective polarization volume lens with small f-number and large diffraction angle,” Adv. Opt. Mater. 8, 2000170 (2020).

26. Z. He, J. He, C. Zhang, S. T. Wu, and Y. Dong, “Swelling-deswelling microencapsulation-enabled ultrastable Perovskite-polymer composites for photonic applications,” Chem. Rec. 20, 672-681 (2019)..

27.  R. Wang, Y. L. Jia, L. Ding, Z. He, Y. Dong, X. J. Ma, Y. Zhang, D. Y. Zhou, Z. X. Zhu, Z. H. Xiong, and C. H. Gao, “Efficient halide perovskite light-emitting diodes with emissive layer consisted of multilayer coatings,” J. Appl. Phys. 126(16), 165502 (2019).

28. C. Gao, Z. Xiong, Z. He, Y. Dong, F. Yu, X. Ma, Y. Zhang, D. Zhou, and Z. Xiong, “Boosting external quantum efficiency in perovskite light-emitting diodes by an exciton retrieving layer,” J. Mater. Chem. C. 7(28), 8705-8711 (2019).

29. (Front Cover) Z. He, F. Gou, R. Chen, K. Yin, T. Zhan, and S. T. Wu, “Liquid Crystal Beam Steering Devices: Principles, Recent Advances, and Future Developments,” Crystals 9, 292 (2019).

30. (Front Cover) C. Zhang,† Z. He,† H. Chen, L. Zhou, G. Tan, S. T. Wu, and Y. Dong, “Light diffusing, down-converting perovskite-on-polymer microspheres,” J. Mater. Chem. C. 7(22), 6527-6533 (2019).

31.  (Back Cover) H. Chen,† Z. He,† D. Zhang, C. Zhang, Y. Ding, L. Tetard, S. T. Wu, and Y. Dong, “Bright quantum dots light-emitting diodes enabled by imprinted speckle image holography nanostructures,” J. Phys. Chem. Lett. 10, 2196-2201 (2019).

32. (Invited paper) Z. He, G. Tan, D. Chanda, and S. T. Wu, “Novel liquid crystal photonic devices enabled by two-photon polymerization,” Opt. Express 27(8), 11472-11491 (2019).

33. (Distinguished paper) K. Yin, Y. H. Lee, Z. He, and S. T. Wu, “Stretchable, flexible, and adherable polarization volume grating film for waveguide-based augmented reality displays,” J. SID 27(4), 232-237 (2019).

34. K. Yin, Y. H. Lee, Z. He, and S. T. Wu, “Stretchable, flexible, rollable, and adherable polarization volume grating film,” Opt. Express 27(4), 5814-5823 (2019).

35. Y. H. Lee,† Z. He,† and S. T. Wu, “Optical properties of reflective liquid crystal polarization volume gratings,” J. Opt. Soc. America B, 36(5), D9-D12 (2019).

36. Z. He,† C. Zhang,† H. Chen, Y. Dong, and S. T. Wu, “Perovskite downconverters for efficient, excellent color-rendering, and circadian solid-state lighting,” Nanomaterials 9(2), 176 (2019).

37.  (Review paper) Z. He, C. Zhang, Y. Dong, and S. T. Wu, “Emerging Perovskite Nanocrystals-Enhanced Solid-State Lighting and Liquid-Crystal Displays,” Crystals 9(2), 59 (2019).

38. Z. He, Y. H. Lee, R. Chen, D. Chanda, and S. T. Wu, “Switchable Pancharatnam-Berry microlens array with nano-imprinted liquid crystal alignment,” Opt. Lett. 43(20), 5062-5065 (2018).

39. Z. He, Y. H. Lee, D. Chanda, and S. T. Wu, “Adaptive liquid crystal microlens array enabled by two-photon polymerization,” Opt. Express 26(16), 21184-21193 (2018).

40.  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(2), A136-A143 (2018).

41.  Z. He, Y. H. Lee, F. Gou, D. Franklin, D. Chanda, and S. T. Wu, "Polarization-independent phase modulators enabled by two-photon polymerization," Opt. Express 25(26), 33688-33694 (2017).

42. Y. Huang, Z. He, and S. T. Wu, “Fast-response liquid crystal phase modulators for augmented reality displays,” Opt. Express 25(26), 32757-32766 (2017).

43. 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).

 

Conference Proceedings:

1.       (Distinguished Student Paper) Z. He, K. Yin, E. L. Xiang, M. C. Li, S. L. Lee, K. C. Tien, and S. T. Wu, “Birefringent light-shaping film for mini-LED backlights,”  SID Symp. Digest 51, 239-242 (2020).

2.      E.L. Hsiang, M.Y. Deng, Y. Huang, F. Gou, Z. He, C.L. Lin, and S. T. Wu, “Power Consumption of OLED and ΅LED Displays,” SID Symp. Digest 51, 528-531 (2020).

3.      C. Zhang, Z. He, C. Gao, S.T. Wu, and Y. Dong, “Ultra-Stable Deep-Dyed Perovskite-Polymer Composites as Tunable Downconverters,” SID Symp. Digest 51, 1303-1306 (2020).

4.      H. Chen, J. He, C. Zhang, Z. He, M. A. Triana, D. Zhang, S. T. Wu, and Y. Dong, “Invited Paper: Update on Photoluminescent Perovskites and Electroluminescent Quantum Dots,” SID Symp. Digest 50(S1), 406-406 (2019).

5.      Z. He, C. Zhang, Y. Dong, and S. T. Wu, "Perovskite-on-polymer microspheres for optimized solid state lighting," Proc. SPIE 11104, 111040L (30 August 2019).

6.      Z. He, Y. H. Lee, K. Yin, and S. T. Wu, “Recent advances in liquid-crystal polarization volume gratings,” Proc. SPIE 11092, 1109204 (29 August 2019).

7.      H. Chen, Z. He, D. Zhang, ST Wu, and Y. Dong, “Bright Quantum Dots LEDs Enabled by Imprinted Random Nanostructures,” SID Symp. Digest 50(1), 750-753 (2019, San Jose, CA).

8.     (Distinguished Student Paper) K. Yin, YH Lee, Z. He, and ST Wu, “Stretchable, flexible and adherable polarization volume grating film for waveguide-based AR displays,” SID Symp. Digest 50(1), 830-833 (2019, San Jose, CA).

9.      Z. He, YH Lee, R. Chen, D. Chanda, and ST Wu, “Active Refractive and Diffractive Liquid-Crystal Microlens Arrays Enabled by Two-Photon Polymerization,” SID Symp. Digest 50(1), 834-837 (2019).

10.  C. Zhang, Z. He, H. Chen, L. Zhou, G. Tan, ST Wu, and Y. Dong, “Light Diffusing, Down-Converting Perovskite-on-Polymer Microspheres,” SID Symp. Digest 50(1), 917-920 (2019, San Jose, CA).

11.   Z. He, C. Zhang, H. Chen, Y. Dong, and ST Wu, “Perovskite Downconverters for Optimized Solid-State Lighting,” SID Symp. Digest 50(1), 921-924 (2019, San Jose, CA).

12.  D. Franklin, Y.H. Lee, Z. He, D. Chanda, and S.T. Wu, “Large Area Multi‐Layer Liquid Crystal Phase Modulators Enabled by Two‐Photon Polymerization,” SID Symp. Digest 49(1), 585-588 (May 2018, Los Angeles, California).

13.  Y. Huang, Z. He, and S.T. Wu, “New Liquid Crystals Enabling High‐Frame‐Rate LCoS for Augmented Reality Displays,” SID Symp. Digest 49(1), 589-592 (May 2018, Los Angeles, California).

14.  Z. He, H. Chen, Y.H. Lee, and S.T. Wu, “Tuning the CCT of White LEDs with an Active Color filter,” SID Symp. Digest 49(1), 1036-1039 (May 2018, Los Angeles, California).

 

Problems regarding this web site should be directed to Ziqian He. Last updated: 07/18/2020.