Xiaodong Xun Email & Phone Number

Sunnyvale, Ca, Us

Chicago, Illinois, Us

- Lead and manage the development of LCD and AMOLED mobile displays from concept to delivery while interfacing with various groups within the organization and outside suppliers, including >Droid Turbo2, the first shatter-proof plastic OLED in the world >Moto 360 watch with power-saving transreflective LCD >Moto Z. the thinnest mobile phone >Moto Z Force, the latest shatter-proof plastic OLED >Moto RAZR, the first Motorola phone using OLED display >Nexus 6, the Google pure Android experience >Moto X series >and more- Invent new testing methodology for newly-emerging optical characteristics of advanced camera and displays, such as Moto Mod projector- Develop algorithms to tune and match display color and control brightness, to save cost, save power consumption, and improve user experience- Research and innovate new display technologies, and implement new features into mobile phones, such as local dimming, low power consumption LCD, Day Dream for Google VR- Use software tools (Tracepro, Zemax etc.) to model optical systems such as lightguide, display backlight unit, projector, and camera- Explore and leverage new display technologies, including thin film coating, integrated touch panel, color management, advanced display materials- Model optical systems such as backlight, light guide, and lens- Obtained the THX display certification by tuning Droid RAZR HD display- Train and direct engineer and technician for lab testing- Analyze big data of daily logs from consumer units. Optimize display setting to fit user's habits.- Serve as Patent Committee Member

Chicago, Illinois, Us

Researched on various advanced technologies for mobile applications. Designed and built novel optical prototypes. Created intellectual properties.Real-time Inventory System with RFID technology- Led software development on Windows Mobile devices and PCs using Matlab, C++, and SQL. The software is tested and ready for the field trial in the partner department stores.- Conducted experiments to explore the feasibility of RFID technology for various applications. 100% reading accuracy has been reached for certain commercial applications.Micro-projectors for mobile applications- Designed, modeled, and assembled prototype of the laser-based micro-projectors with 2D scanner. The technology was licensed to a projector fabrication company.- Evaluated and modeled various LED-based and laser-based imager technologies for projector application. Invented thin-form projector technologies and filed seven patent applications.Mobile computer with projector- Designed the optical system of a mobile computer with foldable screen with the laser micro-projector. - Built a mobile computer prototype with custom folding structure.Borderless display- Invented novel solutions to borderless display for mobile application. Filed several patent applications.- Designed and modeled the optical display systems including LED sources, backlight waveguide, beam bending films, LCD display and Fresnel lens, and fiber optic faceplate.Novel photovoltaic concentrator- Designed and modeled photoluminescent PV concentrator for cheap and highly efficient solar cell concentrator. The technology has a proven higher efficiency and was transferred to the business unit for further development.

Louisville, Ky, Us

Developed the optical and electro-optical systems. Researched on various optical disciplines.Real-time multi-spot laser beam steering systems on spatial light modulator. - Designed and implemented the real-time steering system consisting of laser, optical components, spatial light modulator (SLM), CCD camera and photodetector. The designed system was packaged by a company. - Developed the interactive and automatic system control software using Labview, C++, and Matlab. The software included the interactive trajectories decision module, targeting and tracking algorithm, pattern recognition filters, image processing, and diffractive optics design algorithms. The whole software package was purchased by a research organization. - Constructed Twyman-Green interferometer and Shack-Hartmann wavefront sensor to test and characterize the SLM. - Invented novel method to increase the speed of the SLM by 5 times. Method and results were published.Optical manipulation on micro- and nano-particles. - Designed and built a 3-D optical tweezer microscopic system with dual band IR and visible laser system. - Conducted research on design, realization and propagation of novel optical beams with orbital angular momentum. - Conducted research on manipulating micro particles with novel beam patterns. Research results were published.3-D Surveillance project - Researched and developed a laser projection system with SLM for a pulsed range sensor. The range of the sensor was expanded by 10 times. The results were published. - Directed students to construct SLM system and develop algorithms for 3D profiling.

Tucson, Arizona, Us

Design and implementation of optical testing & data storage- Designed sub-nanosecond pump/probe scanning microscope tester to investigate dynamic changes of optical properties of phase-change thin film media within sub-nanosecond range.- Designed scatterometer to characterize the phase-change media of optical data storage.- Designed subsystem on dual-laser microscopic static tester to characterize the megneto-optical media. Experimental research on optical data storage media- Measured scattering properties of phase-change materials deposited on the optical disks and noise of disks on dynamic tester to investigate linkage among scattering, media physical properties, and noises.- Studied crystallization and melt-quenching processes of phase-change thin film media with various compositions trigged by laser pulses on the dual-laser static tester.- Studied slow crystallization process using 2-D array of written marks on the phase-change thin films. - Developed novel method to estimate the thermal conductivity and heat capacity of magneto-optical thin film media. This is the first method which can systematically measure the thermal properties.Simulations on media behavior, wave-media interaction and wave propagation- Simulated thermal process and magnetization reversal process in nanosecond range of magneto-optical thin film.- Simulated diffraction, electromagnetic wave interaction, and thermal diffusion in near-field optical data storage using FDTD method and physical optics theory.- Modeled crystallization process of the phase-change rewritable media.

Ph.D. Optical Sciences, M.S, Optical Sciences

M.S, Space Physics

Bachelor Of Science, Space Physics