Location History:
- Emerald Hills, CA (US) (2015 - 2016)
- Brookline, MA (US) (2014 - 2017)
- Sunnyvale, CA (US) (2015 - 2017)
- Hayward, CA (US) (2016 - 2021)
- Foster City, CA (US) (2021)
- Redwood City, CA (US) (2014 - 2023)
Company Filing History:
31 out of 38 
9 out of 818 
7 out of 13 
Years Active: 2014-2023
Title: Yitao Liao: Pioneering Innovations in Ultraviolet Light Emitting Diodes
Introduction
Yitao Liao, based in Redwood City, CA, is a prolific inventor with an impressive portfolio of 47 patents. His groundbreaking work primarily focuses on the development of high-efficiency ultraviolet (UV) light emitting diodes, pushing the boundaries of optoelectronic device performance and application.
Latest Patents
Among his notable patents, one significant invention is a high-efficiency ultraviolet light emitting diode utilizing electron tunneling. This innovation involves a method of growing an AlGaN semiconductor material with an excess of gallium, enhancing the efficiency of radiative recombination and increasing light generation in UV LEDs. The applications for devices manufactured using this method include water purification, surface sterilization, communications, and data storage.
Another recent patent details semiconductor structures with multiple quantum wells designed to improve the efficiency of UV and visible LEDs. These advancements reduce efficiency droop at high driving currents by employing separation layers that optimize carrier distribution across quantum wells, ultimately increasing the overall external quantum efficiency of solid-state lighting.
Career Highlights
Yitao Liao has made significant contributions through his roles in esteemed organizations such as Rayvio Corporation and Boston University. His work at these institutions reflects a strong commitment to advancing the field of optoelectronics and improving energy efficiency in lighting technologies.
Collaborations
Throughout his career, Liao has collaborated with notable professionals, including Douglas A. Collins and Robert C. Walker. These partnerships have facilitated the exchange of ideas and innovation, further enhancing the impact of their collective research in semiconductor technologies.
Conclusion
Yitao Liao's extensive patent portfolio and innovative contributions to the field of ultraviolet light emitting diodes underscore his status as a leading inventor in optoelectronics. His work not only advances technological capabilities but also opens up new possibilities for practical applications that benefit society.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.