Location History:
- City Blue Island, IL (US) (2002)
- Madison, AL (US) (2004 - 2006)
- Rolling Hills, CA (US) (2011 - 2014)
- Rolling Hills Estates, CA (US) (2006 - 2017)
Company Filing History:
7 out of 251 
2 out of 5 
2 out of 16 Years Active: 2002-2017
Title: **Innovative Contributions of Peter W. Shackle in LED Lighting Technology**
Introduction
Peter W. Shackle, based in Rolling Hills Estates, California, is an accomplished inventor with a remarkable portfolio of 16 patents. His innovations, particularly in the field of LED lighting technology, have significantly advanced the efficiency and quality of lighting systems.
Latest Patents
Shackle’s most notable inventions include two patents for AC-powered LED light engines. These engines are designed to be powered directly from the AC power line and incorporate a sophisticated circuitry of resistors, capacitors, diodes, and transistors. This allows a string of LEDs to produce light efficiently while maintaining a low level of flicker, which is less perceptible to the human eye. The unique driving method alternates between capacitively-limited and resistively-limited pulses of current. This combination results in a higher power factor and a flicker index below 0.2, enhancing visual comfort and energy efficiency.
Career Highlights
Throughout his career, Peter W. Shackle has made significant contributions while working for various companies. One of the key organizations associated with his expertise is Universal Lighting Technologies, Inc. His work has not only propelled advancements in lighting technologies but has also garnered recognition in the patent community for its innovative approach.
Collaborations
In his journey as an inventor, Shackle has collaborated with esteemed professionals including Qinghong Yu and John Jay Dernovsek. These collaborations have enriched his research and development endeavors, leading to groundbreaking inventions that have transformed modern lighting solutions.
Conclusion
Peter W. Shackle stands out as a prominent figure in the field of LED innovation. His dedication to enhancing lighting technology through his patents demonstrates a commitment to improving energy efficiency and user experience. As technologies evolve, Shackle's contributions will undoubtedly continue to impact the industry positively.
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.