Rebuilding America’s Thermal Imaging Supply Chain

About John Hong and Tallis Chang

John Hong is CEO and Tallis Chang is COO of Obsidian Sensors. The two have worked together for over 40 years, with backgrounds in aerospace before joining Qualcomm. At Qualcomm, they were part of the team that spent nearly a decade developing low-power displays using MEMS (Micro Electro Mechanical Systems) built on glass substrates. When Qualcomm decided the program no longer fit its core business, John and Tallis were given the runway to find a new application for the manufacturing know-how they had built. That pivot became Obsidian Sensors.

About Obsidian Sensors

Obsidian Sensors, headquartered in San Diego, manufactures microbolometers — the core sensor inside thermal imaging cameras — using a fundamentally different platform than the rest of the industry. Where incumbents builds them on silicon wafers, Obsidian builds these sensors on display glass, leveraging LCD fabrication infrastructure in Japan and Taiwan that already produces millions of phone and watch displays. This shift dramatically reduced unit cost while preserving sensor performance.

The company spun out of Qualcomm in 2017 with seed capital, transferred equipment, seven team members, and five patent applications. It initially targeted the automotive market before pivoting to defense after receiving a DIU OTA at the start of COVID. Today, Obsidian is a critical supplier of thermal cameras to the US drone ecosystem, with production scaling from 5,000 units in 2025 to a planned 1 million units per year by the end of 2026 at its Top Gun Street facility in San Diego. A Phase 2 facility targeting 10–20 million units annually is planned for 2028.

Follow John: https://www.linkedin.com/in/john-h-973b372/

Follow Tallis: https://www.linkedin.com/in/tallischang/

Learn more about Obsidian: https://www.obsidiansensors.com/

Follow Noah: https://www.linkedin.com/in/noahsheinbaum/

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