IES TM-30-15 Explained - A New Standard for Light Source Color Rendering Metrics

IES TM-30-15 Explained - A New Standard for Light Source Color Rendering Metrics
Ron Steen

Join us for a presentation on IES TM-30-15 by Ron Steen. IES TM-30-15 is a new system of several related measures and graphics that can be used together to effectively evaluate and communicate a light source’s color rendering properties. The development of the method involved synthesizing multiple related research efforts and combining ideas into a single, cohesive system of objective information that can be used to aid decision-making processes, such as finding the preferred light source for a given application or evaluating the tradeoffs between efficacy and color rendering.

TM-30 remedies flaws and limitations of the widely used CRI method, while providing complementary and more detailed information. The increased availability of data to characterize color ren­dering can benefit specifiers, manufacturers, and researchers alike, although transitioning from the familiarity and simplicity of CRI will take considerable effort. To facilitate the transition, DOE has compiled a number of helpful resources and frequently asked questions.


Ron Steen, Vice President Business Development for Xicato, is a veteran in the LED application space. He first started playing with LEDs in 1995 while working as an engineer at General Motors and is credited with bringing the first LED Tail lamp to market on the 2000 Cadillac DeVille and subsequently started pioneering the LED headlamp.

Since making the jump to general lighting in 2004 with Philips as Director of LED Systems and Drivers, Ron continued to stay at the forefront of LED adoption. In his role as VP of Business Development for Xicato Ron has been a driving force to change the LED dialog from Lumens per Watt to Quality of Light and is now focused on exploring the world of connected lighting.

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