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  • Augmented Reality and HMD, DLP, Laser Beam Scanning Projectors, LCOS, OLED

Collimation, Etendue, Nits (Background for Understanding Brightness)

Introduction I’m getting ready to write a much requested set of articles on the pro’s and con’s of various types of microdisplays (LCOS, DLP, and OLED in particular with some discussion of other display types). I feel as a prerequisites,…

  • Karl Guttag
  • August 10, 2017
  • 29 Comments
  • Augmented Reality and HMD, Startups, Technology History, Use Model

Mira Prism and Dreamworld AR – (What Disney Should Have Done?)

That Was Fast – Two “Bug-Eye” Headsets A few days ago  I published a story on the Disney Lenovo Optics and wondered why they didn’t use a much simpler “bug-eye” combiner optics similar to the Meta-2 (below right) which currently…

  • Karl Guttag
  • July 22, 2017
  • 9 Comments
  • Augmented Reality and HMD, LCOS, OLED, Use Model

Disney-Lenovo AR Headset – (Part 1 Optics)

Disney Announced Joint AR Development At D23 Disney at their D23 Fan Convention in Anaheim on July 15th, 2017 announced an Augmented Reality (AR) Headset jointly developed with Lenovo. Below is a crop and brightness enhanced still frame capture from…

  • Karl Guttag
  • July 18, 2017
  • 4 Comments
  • Augmented Reality and HMD, Startups, Use Model

Varjo Foveated Display Part 2 – Region Sizes

Introduction As discussed in Part 1, the basic concept of foveated display in theory should work to provide high angular resolution with a wide FOV. There is no single display technology today for near-to-eye displays. Microdisplays (LCOS, DLP, and OLED)…

  • Karl Guttag
  • July 10, 2017
  • 7 Comments
  • Augmented Reality and HMD, Startups

Varjo Foveated Display (Part 1)

Introduction The startup Varjo recently announced and did a large number of interviews with the technical press about their Foveated Display (FD) Technology. I’m going to break this article into multiple parts, as currently planned, the first part will discuss…

  • Karl Guttag
  • June 26, 2017
  • 20 Comments
  • Augmented Reality and HMD, Startups, Use Model

VAC By Oculus and Microsoft . . . Everywhere and Nowhere

Technically Interesting New Papers At Siggraph 2017 Both Oculus (Facebook) and Microsoft’s are presenting interesting technical research  papers at Siggraph 2017 (July 30th to August 3rd) that deal with Vergence/Accommodation (VAC).  Both have web pages (Oculus link and Microsoft link)…

  • Karl Guttag
  • June 17, 2017
  • 6 Comments
  • Augmented Reality and HMD, DLP, LCOS, Pico Projection, Technology History, Use Model

Near Eye Displays (NEDs): Gaps In Pixel Sizes

I get a lot of questions to the effect of “what is the best technology for a near eye display (NED).” There really is no “best” as every technology has its strengths and weaknesses. I plan to right a few…

  • Karl Guttag
  • June 7, 2017
  • Augmented Reality and HMD, DLP, Intellectual Property, Laser Beam Scanning Projectors, LCOS, Startups, Use Model

Avegant “Light Field” Display – Magic Leap at 1/100th the Investment?

Surprised at CES 2017 – Avegant Focus Planes (“Light Field”) While at CES 2017 I was invited to Avegant’s Suite and was expecting to see a new and improved and/or a lower cost version of the Avegant Glyph. The Glyph …

  • Karl Guttag
  • March 9, 2017
  • 38 Comments
  • Augmented Reality and HMD, DLP, LCOS, Use Model

Near-Eye Bird Bath Optics Pros and Cons – And IMMY’s Different Approach

Why Birdbaths Optics? Because the Alternative (Waveguides) Must Be Worse (and a teaser) The idea for this article started when I was looking at the ODG R-9 optical design with OLED microdisplays. They combined an OLED microdisplay that is not…

  • Karl Guttag
  • March 3, 2017
  • 61 Comments
  • Augmented Reality and HMD, LCOS, Pico Projection, Startups, Use Model

CES 2017 AR, What Problem Are They Trying To Solve?

Introduction First off, this post is a few weeks late. I got sick on returning from CES and then got busy with some other pressing activities. At left is a picture that caught me next to the Lumus Maximus demo…

  • Karl Guttag
  • January 31, 2017
  • 23 Comments
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Recent Posts

  • Attending AWE 2022 and NYAR “Debate” Video May 27, 2022
  • “The Great AR Display Debate” with Jeri Ellsworth on April 11th and Back to the Blog April 7, 2022
  • Speaking at SID LA Chapter One Day Symposium February 17th, 2022 February 15, 2022
  • US Mortgage Rates vs. Inflation (off topic) February 6, 2022
  • Microsoft Hololens Reportedly in Trouble, Another “One and Done” for Microvision? February 4, 2022
  • Magic Leap 2 at SPIE AR/VR/MR 2022 January 31, 2022

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