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“If you haven’t tested it, it doesn’t work”

When I started this blog, I intended to write about more than displays and include some of my personal IC history.   Today’s story is about Derek Roskell of Texas Instrument’s who led the UK-based design teams I worked with between…

  • Karl Guttag
  • August 10, 2013
  • 14 Comments
  • Pico Projection, Use Model

Whatever happened to pico projectors embedding in phones?

Back around 2007, when I was at Syndiant, we started looking at the pico projector market, talked to many of the major cell phones and several PC companies, and almost everyone had at least an R&D program working on pico…

  • Karl Guttag
  • August 4, 2013
  • 12 Comments
  • Augmented Reality and HMD

Himax FSC LCOS in Google Glass — Seeking Alpha Article

This blog was the first to identify that there was a Himax panel in an early Google Glass prototype and the first to identify that there was a field sequential color LCOS panel inside Google Glass.  Due to the connection…

  • Karl Guttag
  • June 16, 2013
  • 7 Comments
  • Augmented Reality and HMD, Pico Projection

Extended Temperature Range with LC Based Microdisplays

A reader, Doug Atkinson, asked a question about meeting extended temperature ranges with LC based microdisplays, particularly with respect to Kopin.    He asked the classic “car dash in the desert and the trunk in Alaska” question. I thought the…

  • Karl Guttag
  • April 2, 2013
  • Augmented Reality and HMD

AR Display Device of the Future: Color Filter, Field Sequential, OLED, LBS and other?

I’m curious what people think will be the near eye microdisplay of the future.   Each technology has its own drawbacks and advantages that are well known.   I thought I would start by listing summarizing the various options: Color filter transmissive…

  • Karl Guttag
  • March 30, 2013
  • 35 Comments
  • Augmented Reality and HMD, Technology History

Kopin Displays and Near Eye (Followup to Seeking Alpha Article)

After posting my discovery of a Himax LCOS panel on a Google Glass prototype, I received a number of inquiries about Kopin including a request from Mark Gomes of SeekingAlpha the give my thoughts about Kopin which were published in…

  • Karl Guttag
  • March 25, 2013
  • 6 Comments
  • Augmented Reality and HMD

Laser Illumination Could Cause LCOS to Win Out Over OLED in Near Eye AR

The conventional wisdom is that eventually OLEDs will become inexpensive and they will push out all other technologies in near eye because they will be smaller and lighter with a simple optical path.   But in reading ‘Steve Mann: My “Augmediated”…

  • Karl Guttag
  • March 13, 2013
  • 7 Comments
  • Augmented Reality and HMD

Google Glass Is Using Field Sequential Color (FSC) LCOS (Likely Himax)

I’m going to have to eat some crow because up until Saturday night, I honestly thought Google was using a transmissive panel based on the shape of the newer Google Glass headset.  I hadn’t seen anything that showed it used…

  • Karl Guttag
  • March 11, 2013
  • 14 Comments
  • Augmented Reality and HMD

Google Glass and Himax Whirlwind

I usually just talk technology on this blog, but the recent events involving my blog on Google Glass using Himax’s panel caused some fascinating movement in Himax’s stock price.   There have been several moves of over one hundred million…

  • Karl Guttag
  • March 8, 2013
  • 7 Comments
  • Augmented Reality and HMD

New Google Glass Design Likely Uses a Transmissive Panel

As a follow-up to my last post, I though I would show why Google Glass is most likely using a transmissive panel.  It all comes down to size and shape. Shown to the left is a Kopin transmissive panel more…

  • Karl Guttag
  • March 2, 2013
  • 31 Comments
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