Research and Consulting
by
Peter W. Shackle Ph.D.
President
Photalume provides expertise relating to the lighting electronics industry and its technology needs. Consultation is available on all aspects of electronic ballasts, LED drivers and their associated patents.  Lamp/ballast compatibility and thermal engineering of LEDs are amongst the topics of advice. Photalume clients include venture capital companies needing an analysis of potential investments, power electronics companies needing guidance on the conventions  of the lighting industry, lighting electronics companies wanting guidance on how to patent and protect their products, R&D labs faced with unexpected technology obstacles and law firms needing an expert witness to testify in lighting electronics  patent infringement cases.

Technology development activities typically involve the development of high efficiency converters for light sources. Advice and analysis is provided on how to get products into production and how to conduct the detailed characterization and design verification of lighting electronic products. Investigations are conducted on products which do not perform as designed or when the lighting products are failing in the field. Such activities have often resulted in patentable new technology.

Lighting technology application activities have involved the production and publishing of materials to facilitate the interaction between client lighting electronics manufacturers and luminaire OEMs. Visits to luminaire OEMs can be provided to discern strategic marketing technology needs of the OEM for the benefit of the lighting electronics manufacturer.

Litigation related activities involve advice for both plaintiffs and defendants in patent infringement cases, clarifying operation of circuits, helping with claim construction and writing legal declarations. Dr. Shackle has provided expert witness testimony for Federal court and is available for mediation as a technical expert. Dr Shackle provided 5 declarations in support of Inter Partes Reviews during 2014. During 2015 three  of the Inter Partes Reviews that he supported were intituted and he provided 14 hours of deposition testimony.

When lighting electronics OEMs have new products Dr. Shackle is available to define  exactly what new invention is present, to research prior art and to help patent attorneys draft the most powerful claims possible.

Dr.  Shackle has been involved in conducting R&D in solid state devices, high voltage integrated circuits, electronic ballasts and LED drivers for 45 years. He has put over 200 lighting electronics products through regulatory testing and into production, either personally or through leading others. Dr. Shackle is an author on 58 issued US patents on solid state devices and circuits, electronic ballasts and LED drives. He is a member of the Illumination Engineering Society and a senior member of the IEEE.

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