Flexible Displays: A Revolutionary Breakthrough
A flexible
display is an electronic visual interface that is as flexible as a
piece of paper in nature. Since 2000, it's been one of the most trending
topics. Several companies have produced various kinds of flexible display
prototypes ranging from flexible electronic paper such as display to flexible
OLED-based display.
It is important to note that
mobile phones do not only have flexible screen displays. On most electronic
devices, screens are essentially the last remaining flat surface. The initial
focus was on smartphones, but now evolving low-cost, long-life flexible plastic
display variants are going to enable displays to be seamlessly integrated into
designs and new device classes to be introduced.
There are two main categories of
organic display technologies including the flexible organic light-emitting
diode (OLED) that has been in production since 2012 and is used in the Samsung
and Huawei phones announced at MWC 2019, and the flexible organic liquid crystal
display (OLCD), which has been under development since 2014 and will be in
production in the coming years.
Durability is a crucial plus point in flexible displays
Durability is the greatest
advantage of flexible displays. Since the panel can be bent and twisted, the
effect can also be better absorbed than we currently have solid glass
structures. Therefore, broken screens may be a thing of the past. It's going to
take some time before we reach that point, though. Currently, it is believed
that bendable displays will use plastic instead of glass, but under extreme
stress, the plastic itself can still break. Manufacturers such as Corning are
currently working on a flexible glass called Willow, which is planned to be put
in everything from telephones to televisions to transportation devices. Willow
is as thin as paper and can also be twisted. But if it gets too rounded up, it
will still break.
Commercial production of large format flexible displays is on its way…
After years of speculation and
excitement, flexible smartphones are finally commercial products, starting with
the Huawei Mate X and the Samsung Galaxy Fold. Flexible displays have been
common in R&D labs for a very long time. The two biggest challenges are to
find out how to produce them in volume and build them in such a way that they
are long-lasting enough to hold on to daily use.
The manufacturing scale is always
a big problem. That's part of the reason why these displays are so extremely
expensive: their output yields are very poor. Premium smartphones have been
using flexible displays for years because they are less likely to crack, but
their flexibility is limited: nothing like projector screen contortions that
most people think of when they hear "flexible display."
How are flexible displays shaping technology?
Foldable have been prevalent
across the top trends of 2019. Only Samsung and Huawei had their respective
modular phones on show at the annual smartphone extravaganza in Barcelona,
although they were purely hands-off for most people, considering that the
Galaxy Fold and Huawei Mate X were sealed inside glass cases.
While the market-readiness of
these products, and even their practicalities, has been challenged, it is clear
that digital displays are developing into something very different — which
could lead to some significant developments across the technology sector.
In the future, we may be looking
back on many of these applications of flexible screen technology and grimace.
But as new technological capabilities emerge, it's only natural for people to
play around with innovative ways to pack and market them— you might not want a
TV on your t-shirt or top hat, but it's clear that we're preparing to enter a
very interesting phase for mobile form factors.
Flexible OLED - Best solutions for next-gen smartphones
Flexible OLED display provides
the best option for superior image quality with a very high contrast ratio, a
wider range of colors; faster refresh rates and wide viewing angles. It also
facilitates small, light, curved, flexible, foldable shape factors and design
differentiation. In a developed, slow-demand growth market, smartphone brands
are searching for differentiation to drive replacement demand.
Samsung's Galaxy devices and
Apple's flagship iPhones products have pioneered flexible OLED displays. The
technology is set to conquer the next-generation smartphone market with
smaller, lighter, less lens, immersive displays and differentiating form
factors. But high costs can reduce the rate of adoption in the near term,
particularly when most of the growth comes from lower-priced mass-market
products.
Flexible OLED - Integration, revolution and differentiation can help adoption
The flexible
display market is slowing down due to high prices. Market demand for
flexible OLED display-based products from Samsung and Apple is decelerating.
This resulted in lower usage rates for flexible displays and surpluses. Further
shifting to foldable display would minimize surplus plus increased demand even
though there are still many challenges to foldable smartphones.
The launch of 5G-based products
requiring slimmer displays to fit 5G-enabled components will boost flexible
OLED demand. Integrating new technologies such as fingerprints on display, cell
display, hole on display, camera on display, haptic on display, chip on film
(COF)/chip on plastic (COP) to minimize border and increase screen-to-body
ratio and foldable display will open up new opportunities for flexible OLEDs to
drive demand growth and increase adoption rates.
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