Interview with Luxbright CEO Greg Carson


1. How come you decided to work in the X-ray technology space?

X-ray tubes are an essential part of protecting society, have the potential for dramatic technical improvement, and are a large and growing market. Dr. Hu and I decided to tackle this huge vision when we met in 2012.

While I was running investments at GU Ventures, I met Dr. Qiu-Hong Hu who was doing display technology in an older startup. This venture had too long of an investment horizon for our VC, so we were divesting. I was assigned to work on helping the transition. It was clear that he was a talented genius and an opportunity who could be a great success with the right team and capital.

Once that process was complete, I returned to Dr. Hu independently from the venture firm. We discussed his science and how his extensive expertise in nanomaterials, nanotechnology and field emissions physics could be applied. As a firm, we invested in him, and I ran a market analysis for various opportunities. It showed that X-ray tubes had the most significant need for innovation, substantial profit margins, and could benefit society. Having been a serial tech entrepreneur, an innovation strategy consultant and investment banker, this seemed like a good cause for an exponential opportunity.

A chance to have explosive growth and returns combined with a fierce impact on society was compelling. We decided to start a company at that point, which we finally named Luxbright, symbolizing our unique vision of high-quality, high brilliance X-ray innovation to protect life. We worked tirelessly to prove the science and find vital customers to validate our approach.

2. What are the top industries that you feel people can relate to that use X-ray technology?

The thing that is surprising about X-ray imaging is that it is used broadly and is quite common in many sectors – not just medical, but also security, quality, geological and research. Worldwide, an estimated 3.6 billion diagnostic medical examinations, such as X-rays, are performed every year. Every bag on every single commercial plane is screened using X-rays. Also, nearly all electronics, critical infrastructure, and sensitive foods undergo X-ray scans. For example, X-ray is used to map salmon bones so that a micro water jet can shoot out the bones creating boneless fillets.

It is incredible where X-ray is heading. With our microfocus ‘high brilliance’ tubes, the new spectral detector systems using Cadmium telluride can scan with far fewer photons, and still make fine-resolution images of multiple materials. Imagine a security scanner that can both check for metal guns and plastic explosives with 100% accuracy based on material composition. The enormous amount of data combined with 3d systems will enable us to utilize AI and VR in future technologies

3. What are you looking forward to in 2018?

2018 is a big year for us, as we will raise another round of capital and complete testing of our latest engineering samples with several potential customers. The result will be Luxbright X-ray tubes utilized in various prototype systems in medical, security and non-destructive testing.

We will also expect our tubes to be used in the first spectral-based CT machines, proving that sub-200 Watt X-ray systems are applicable for use in real Medical and Research 3D imaging.

Our purpose as a company is to maximize technical advances to protect life, and we are living up to this. Further, we work very hard to find the best people and build a culture of remarkably strong, talented people who are smart, committed, motivated and have great attitudes. We don’t always get it on the first try, but we are growing one of the most diverse most talented teams for a high-tech firm at an early stage I have seen. Our team is rapidly developing, with significant expertise added each month, that will allow us to compete globally.


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