04-06-2012, 10:31 AM
Evolution of Modern Display Technologies in a 3D Ecosystem
Evolution of Modern Display.pdf (Size: 1.66 MB / Downloads: 42)
Abstract
Since its invention by the end of the 19th century, display
technologies have undergone several (r-)evolutions, from the
introduction of color in the late 1950s to the arrival of the first flat
panel TVs in mid-1990s. Today, we are faced again with a further
evolutionary step manifested by the introduction of another dimension:
vision depth.
INTRODUCTION
FIRST STEPS OF DISPLAY EVOLUTION
ABSOLUTELY plane and relatively flat for its time (
10 cm) with a never achieved size of 42”, the first new direct
view plasma displays entered into market a little more than
one decade ago. This was a size category “reserved” for projection
systems at that time, whereas CRT had reached its economical
limits at around 35” of screen size. At the same time LCD
gathered more and more momentum as slim and lightweight
display technology for IT equipment manufacturers with first
portable PCs coming up, which today are known as Laptops,
Notebooks, Netbooks, etc.
The price for such devices was as astronomic as 15.000 Euro
and more for just a 42” sized TV, which in most cases was
just a monitor. To one extent this was contributed by the high
amortization cost of the intensive R&D and manufacturing
efforts as well as the high electronic efforts to display images
like a CRT-TV (Fig. 1). At the same time the performance
parameters were quite modest.
3D FACTOR
3D Effect and Perception
Since the beginning of the performing arts, artists have tried
their best to render the 3D world in which they are evolving.
However, the way human brain perceives 3D is a complex phenomenon
based on several parameters named depth cues. For
instance the evolution of shadows, luminance, interpositions,
sizes, texture densities are all important depth cues used in traditional
painting.
Furthermore, each eye of the human visual system takes a
view of the same scene from a slightly different angle to catch
finally a three-dimensional stereo picture [1] (width, height and
depth). It is the added perception of the depth dimension that
makes stereovision so rich and so special [2].
Creating artificially a binocular effect requires the ability to
present two different images to each eye as long as there is no
contradiction with the other depth cues.
CONCLUSION
Despite 3D stereoscopic technology being known for
decades, now with the current maturity of new display technologies,
3D in the home is becoming reality and hopefully
sustaining for a long time.
However, as discussed in this paper, there are still some hurdles
to be overcome but, on the other hand.