Location History:
- Karnataka, IN (2011 - 2018)
- Bengaluru, IN (2012 - 2023)
Company Filing History:
6 out of 51,920 
2 out of 127 
Years Active: 2011-2023
Title: The Innovative Contributions of Nagaveni Karkada
Introduction
Nagaveni Karkada, an esteemed inventor based in Bengaluru, India, has made significant strides in the field of lighting technology through his inventive contributions. With a total of eight patents to his name, Karkada has established himself as a leading figure in the development of advanced phosphor materials that enhance the efficiency and quality of light sources.
Latest Patents
Among his latest innovations is a patent concerning color stable red-emitting phosphors. This invention describes a lighting apparatus that integrates a semiconductor light source with a polymer composite containing a color stable manganese-doped phosphor. Notably, the lighting apparatus exhibits a color shift of less than or equal to 1.5 MacAdam ellipses after operating for at least 2,000 hours with a LED current density greater than 2 A/cm, achieving a wall-plug efficiency surpassing 40% at a board temperature above 25°C. This development underscores Karkada's commitment to advancing lighting technology through sustainable and efficient solutions.
Career Highlights
Karkada's professional journey has seen him contribute to innovative projects at renowned companies, including General Electric Company and Current Lighting Solutions, LLC. His extensive experience in these environments has equipped him with the expertise and vision necessary for impactful inventions in the lighting industry.
Collaborations
Throughout his career, Karkada has collaborated with notable professionals, including James Edward Murphy and Anant Achyut Setlur. These partnerships have not only enriched his own work but have also fostered an atmosphere of shared creativity and innovation within the field.
Conclusion
Nagaveni Karkada's contributions to the world of lighting technology are a testament to his ingenuity as an inventor. With his array of patents, particularly in the area of color stable red-emitting phosphors, he continues to pave the way for newer, more efficient lighting solutions. His career reflects a dedication to innovation that resonates throughout the industry, marking him as a prominent figure in contemporary invention.