MicroLED + AR/VR Connect and Co-Packaged Optics (CPO)

Last month I attended and participated in MicroLED and AR/VR Connect in Eindhoven. This conference reminds me of the early days of SPIE's AR/VR/MR conference in that it is drawing some excellent speakers and companies while still offering some excellent opportunities to meet and network with people.

As a sign of the times, it seems many MicroLED companies are now putting an emphasis on optical interconnects and Co-Packaged Optics (CPO) for use in AI data centers.
The one very bright spot is that there seems to be a very big market for audio to visual translation being reported.

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“Transparent” Near-to-Eye Displays

Ron Mertens of OLED-Info, MicroLED-Info, the MicroLED Association, and one of the organizers of MicroLED & AR/VR Connect asked for my input on “Why is there no 'simple' solution, where we place a transparent display in front of the user [for AR]?” Or more simply, why aren’t ‘transparent’ OLEDs/MicroLEDs being used in optical-see-through (OST) AR headsets?

I ended up writing a rather long response to Ron, and he wanted to publish it on his OLED-Info Pro (paid subscription (link: https://www.oled-info.com/karl-guttag-transparent-ar-displays-article). I agreed on the condition that I put a summary on this blog.

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Voices of VR Interview 2023 & MicroLED-AR/VR Connect Conference 2025

I'm to be very busy in September, including traveling to and speaking at the MicroLED and AR/VR Connect conference in Eindhoven, Netherlands, from September 23rd to 25th. If you would like to meet with me in Eindhoven, please send a meeting request to meet@kgontech.com.

I also want to let you know about an interview I did with The Voices of VR Podcast at AWE 2023, which was released on August 2, 2025.

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TMS9918, The First Sprite Chip – Presentation at VCF SouthWest

Last week, I gave a presentation at The Vintage Computer Festival Southwest (VCF SouthWest) about the development of the TMS9918 (and related devices), which I helped define, design, simulate, and debug from September 1977 through mid-1978. In addition to the presentation, I participated in a one-hour question-and-answer session hosted by Matthew Hagarty. Matthew has developed a series of FPGA-based 9918 emulators, the latest of which is pin-compatible except for providing R, G, and B output rather than composite video.

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Exclusive – Playnitride Single Chip Full Color MicroLED & Lumus Waveguide with a “Fantasically Tiny Projector”

Several technology demonstrations stood out to me at Display Week (DW) 2025. This article will cover Playnitride's Quantum Dot (QD) based full-color MicroLED, combined with Lumus's geometric (also known as reflective waveguide) technology.

As I wrote in may last article, Lumus showed me a "fantastically tiny projector" connected to their waveguide.

Read MoreExclusive – Playnitride Single Chip Full Color MicroLED & Lumus Waveguide with a “Fantasically Tiny Projector”