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The AR Show: Karl Guttag (KGOnTech) on Mapping AR Displays to Suitable Optics (Part 2) | Otter.ai

The AR Show: Karl Guttag (KGOnTech) on Mapping AR Displays to Suitable Optics (Part 2)

Jason McDowall1h 17min

Jason McDowall

00:03

Welcome to the AR show right dive deep into augmented reality with a focus on the technology, the use cases and the people behind them. I'm your host Jason McDowall.

Jason McDowall

00:14

Today's conversation is the second part of my interview with Karl who talk who you may know from his technology blog at KGOnTech at kguttag.com. Karl has 40 years of experience in graphics and image processors digital signal processing, memory, architecture, and micro displays. He's got 150 patents to his name related to these technologies in many billions of dollars of revenue attributed to those inventions. Karl spent nearly 20 years at Texas Instruments. And he's been a CTO at three micro display system startups in two of which he was also a co founder. And these days, he's also the Chief Science Officer at Raven, a company developing a hardware and software platform to deliver mission critical intelligence to military and first responders when they need it most. In the second part of my conversation with Karl, we talk about matching display technologies to the right combiner optics technologies. Karl also talks about which of these he thinks has the best chance of being successful. He also discusses the importance of matching what the devices can do well, to the user and the use case.

Karl Guttag

01:10

Subtlety is lost in AR. That's another big thing. You know, the whole thing about watching movies or using it as a computer monitor is, in my opinion, insane. And it's so far beyond being wrong. And I'd love to debate that with somebody because, unfortunately, all the other people on that stage, if I go into stage at an AR conference, all the other people on stage, we nod their heads, and I'll be saying that's crazy.

Jason McDowall

01:36

We get into some of the use cases Karl likes across consumer, enterprise and military. On this last one, Karl goes deeper into the hard trade offs and delivering something of essential value to military and other first responders in the field. As a reminder, you can find the show notes for this and other episodes at our website, the AR show calm. Let's dive back in.

Jason McDowall

01:58

You recently been sharing this is mapping between all the different sorts of optics technologies we talked about diffractive Luma says reflective waveguide. There's other variations of kind of diffracted wave guides that incorporate like a holographic approach that North was using with a mirror like surface using a holographic reflector, which is kind of a mirror aspect of different sorts of angles at play. You don't have to reflect in quite the same way on a holographic element. Yeah, you talked about twos and they're sort of freeform object he talked about birdbath with, with what enrile and with what novo and what odg has done in the past. And then you even mentioned or M with our super slanted was all these sorts of different optics technologies that you described as all these sorts of display technologies that are out there. The L cost and laser beam scanning and laser illuminated LCD, laser limited el castigo, micro inorganic led micro organic led all this stuff. What fits like how should we think about the right sort of pairing between the different display technologies and combined optics technologies?

Karl Guttag

02:59

Yeah, well, I think it's, it's pretty clear that if you don't have really great add on do you're not going to go on these people expanding waveguides very well. So that kind of limits you to L cause DLP and laser beam scanning and the waveguides. On the question mark area, and it's not looking great is micro OLED, for example. I've seen them used I've actually seen a headset with a micro OLED on it. I think it output somewhere between a half and one nit.

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