Richmond, CA *****
Experienced electrical engineer in the design of electronic circuit, display, and embedded systems.
20+ years’ experience in design of analog/digital circuits, electronic displays, power management, embedded systems, and consumer electronic products.
Hands-on experience on prototype bring-up, testing, debugging, design verification.
Excellent problem solving, troubleshooting and failure analysis skills.
Experienced in the design of circuits with UART, SPI, I2C, USB, Bluetooth, and Wi-Fi.
Familiar with high speed PCB design and layout for SI/PI and EMI/EMC compliance.
EDA tools of Schematic design and PCB layout: Altium and OrCAD; Circuit simulation using SPICE.
Electronic and optical testing using testing instruments, including oscilloscope, logic analyzer, signal generator, spectrum analyzer, network analyzer, and spectrophotometer.
Python, C, Assembly, and MATLAB programming.
Embedded Software Development Environments of IAR and Code Composer Studio.
Professional and Project Experience
Cyron USA Corp., Pearland, Texas, January 2014 to Present
SENIOR ELECTRICAL ENGINEER and IP SPECIALIST(currently working in Richmond, CA)
Designed an IoT wearable electrocardiography (ECG) device using Heart Rate Monitor Front-end and IoT module of ESP32 MCU with Wi-Fi connectivity.
Designed an IoT wearable health monitoring device using Single-lead, Heart Rate Monitor Front-end, 6-degree of freedom motion sensor, Temperature Sensor, AVR MCU, and Nordic BLE module. The device measures, samples, and digitizes ECG waveform and physical activity data, which are sent to smart phone via Bluetooth LE, recorded and analyzed with mobile APP or sent to cloud to be shared and analyzed by authorized healthcare professionals.
Designed a portable oral endoscope using HD CMOS image sensor and USB PC Camera Controller.
Led a team with both technical and legal members in series of patent litigations in Germany against the well-known E-Paper display company, won first patent litigation in 2015.
IEC/TC110 (International Electrotechnical Commission/Technical Committee of Electronic Display), October 2010 to December 2018
Served as project leader of IEC/TC110 WG7 for project “Electronic Paper Display-Part 2: Essential Ratings and Characteristics”, which was published on November 2018.
Research and development of testing methods of e-paper display module for IEC/TC110.
Examined documents of IEC standard from working groups of LCD, OLED, and e-paper displays.
OED Technologies LTD., Guangzhou, China, January 2008 to December 2013
Designed 6” active matrix TFT E-paper display module from concept to mass production, which generated revenue of 10 million dollars in the first year; Participated in co-design of timing controller IC, TFT driver IC, and TFT backplane.
Characterization of electrical and optical performances of e-paper display modules and development of optimal driving methods and testing methods.
Designed various e-Paper display modules and panels, and evaluation kits of e-paper display applications for E-Book reader, electronic price tag, and portable devices.
Inventor of 20+ patents in USA, China, Europe, and Japan. Invented multiple technologies and products in electronic display, including wearable electronic devices, innovative driving methods, flat dual-screen display devices, etc.
Cyron USA Corp., October 2004 to December 2007
SENIOR ELECTRICAL ENGINEER
Developed measuring methods of mobilities of charged particles of electrophoretic display and studied the characteristics thereof.
Studied and optimized the driving waveforms for electrophoretic display to achieve higher contrast and reflectance, cleaner background, and longer retaining time.
Designed display control and driving circuits; Prototyped and tested e-paper display modules and evaluation kits.
Kaudio Inc., Torrance, CA, August 1996 to September 2004
Analyzed and troubleshot defects of new car audio products, determined root causes for failure, found solutions to address quality issues; led quality improvement of new products.
Helped setting up and maintained ISO9000:2000 quality management system.
Fujian Hitachi Television Co. Ltd., Fujian, China, July 1987 to July 1996
Undertook the design of TV circuits. Designed and tested TV sets for safety and EMI/EMC compliances.
Resolved technical problems in new product introduction and volume production.
MSEE with emphasis on Very Large Scale Integrated Circuit (VLSI) design December 2002
California State University, Long Beach Long Beach, CA
BSEE July 1987
Fuzhou University Fujian, China
Patents and Publications
20+ patents in electronic products and display technology in US, China, Europe, and Japan.
Publication: Wagdy, Mahmoud F and Liu, Zuliang, An 8-Bit, 20 MSPS Pipelined ADC, Circuits and Systems, 2003 IEEE 46th Midwest Symposium on Circuits and Systems (Volume: 1), Dec 30, 2003.
Formal Name Zuliang Liu
References available upon request