Optics and Gravel
by Kenneth Li
Last week, I (Bob the editor) wrote a Display Daily on metasurfaces and the ways that new techniques are being used to bring new and quite dramatic changes to optics – and which may …
Tags:3D Printers| | Optics
The Resolution of Light Field Displays – Inside and Outside the Virtual Reality Room
by Kenneth Li
I wrote a couple of articles last year related to Light Field Displays (LFD) and called them Pixel Ray Displays (PRD). The question was: Are they Waves or Rays? I know that “real” holograms, …
Tags:Light Field Displays| Virtual Reality| Vol 25 - Issue 30
Virtual Reality is becoming Real Reality… or is it Vice Versa?
by Kenneth Li
Virtual Reality (VR) to most people, would include augmented reality and mixed reality, as the details of each type are not widely understood and virtual reality is the most widely used term. With article …
Tags:Location-based Entertainment (LBE)| Virtual Reality| Vol 25 - Issue 17
Apple TV or Roku TV?
by Kenneth Li
When the iPad 1 came out in 2010, I purchased a unit for work so that during my travels, I could store my PowerPoint presentations in PDF files for immediate access when I wanted …
Tags:Apple| Roku| STBs| Vol 25 - Issue 08
Carbon Dioxide Levels, Displays, and the Earth
by Kenneth Li
I read several articles in Display Daily recently with relationship to Global Warming, which almost all of us believe to be related to the CO2 levels. Without getting into the political and technological side …
Tags:Environment| Power Consumption| Vol 25 - Issue 04
Glass/Ceramic Phosphor for Backlight and Projection Applications
by Kenneth Li
From the development of red LED in the early 60’s to the blue LED in the early 90’s, there had been tremendous amount of progress in LED’s developments providing numerous innovations in both the …
Tags:Laser Phosphor Projectors| Vol 24 - Issue 46
What Improvements Really Matter and to Whom? Does Price Matter?
by Kenneth Li
I was in the middle of writing this month’s article and came across something very interesting in the current issue of Time Magazine. I decided to shift gear and moved on to write this …
Tags:Apple| iPhone| OLEDs| Vol 24 - Issue 42
Falling Asleep by Reading Books or Watching Videos?
by Kenneth Li
You might have heard many times from many people that reading a book is the best way to fall asleep. I am not a consistent book reader and I fall asleep quite easily with …
Tags:Blue Light| Smartphones| Vol 24 - Issue 38
Ultra-Short Throw Projectors as TVs in Micro Apartments
by Kenneth Li
Over recent years, many projector makers have introduced ultra-short throw projectors with the goal of enabling large display areas with the compactness of a projector and without the need for a large room, i.e. …
Tags:Home Theatre| UST Projectors| Vol 24 - Issue 30
Displays for the Brain – Part 3
by Kenneth Li
After I started on this month’s article, I decided to make it Part 3 of the series – Displays for the Brain As I described in Part 1, Part 2, and some of my …
Tags:Holographic Displays| Vol 24 - Issue 27
Displays for the Brain – Part 2
by Kenneth Li
In Displays for the Brain – Part 1, the basic relationship between the inputs and the brain was described in non-biological and non-physiologic terms. The basic idea behind the concept is “it is not …
Tags:3D (Three Dimensions)| 3D Cinema| Stereopsis| Vol 24 - Issue 23
Displays for the Brain – Part 1
by Kenneth Li
I am not a biologist or physiologist and do not know about the brain at any cellular level. My understanding of the brain is from observations of the how human beings interact with real …
Tags:Human Visual System (HVS)| Vol 24 - Issue 20
