Merck Presents Smart Liquid Crystal Windows at BAU 2017
Merck Presents Smart Liquid Crystal Windows at BAU 2017
  • By Lee Jang-mi (
  • 승인 2016.12.20 08:32
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Liquid Crystal Windows

Darmstadt, Germany, December 13, 2016 / Korea IT Times-– Merck will be presenting its innovative liquid crystal window technology at the BAU 2017 exhibition in Munich, Germany from January 16 to 21,
2017. Visitors, such as architects and window manufacturers, can learn more about
the advantages of smart, eco-friendly windows. Three different variants can be used
in buildings: sun protection, glare protection, and privacy control. For the first time,
Merck will be presenting its switchable liquid crystal window modules in triangular
format at the world’s premier exhibition for architecture, materials and systems.

Johannes Canisius, Head of the Liquid Crystal Windows business field within
Performance Materials at Merck explains: “Going forward, Merck aims to be at the
forefront of switchable glass for architecture and automotive applications. In order
to bring the new technology to market quickly, we have set up a dedicated business
field and are currently building a production facility for liquid crystal window modules
in Veldhoven, the Netherlands. The manufacture and marketing of the modules is
to begin at the end of 2017. Initially, the maximum size will be 1.60 x 3.50 meters.
The BAU exhibition offers us an ideal platform to showcase how we have optimized
the products over the past two years. We will be accepting orders for our modules
as of June 2017.”

Thanks to the large selection of colors and shapes, the windows can be optimally
adapted to the surroundings and they offer a high degree of design freedom. The
sun protection variant can be realized in different light transmittance bandwidths
and achieves energy savings of up to 40% in building climate control systems. For
users, the windows offer maximum convenience since they offer continuously
variable switching within seconds and are absolutely transparent and color-neutral
in both switching states – two decisive advantages over competing technologies.
With the glare protection variant, the glass not only darkens, it also becomes diffuse
in order to prevent sun glare. This can make working on a computer monitor more
comfortable. It replaces mechanical solutions such as blinds. The privacy variant
switches from transparent to opaque and prevents outsiders from seeing in. The
special feature of the Merck technology is that the windows are crystal-clear in the
non-switched state.

Merck has been developing liquid crystal window technology for several years as
part of its strategic initiative known as “LC 2021”. As the market and technology
leader in liquid crystals for displays, the company has extensive expertise that is
being leveraged in applications such as televisions, laptops, smartphones and tablet

Establishing a track record of successful installations
Pilot installations in the field have shown that the liquid crystal windows meet the
highest demands. The window façade on the west side of Merck’s modular
Innovation Center in Darmstadt was fitted with liquid crystal windows for sun
protection in early 2015. Switchable windows in both the sun protection and privacy
control variants were also installed in the new OLED materials production building
inaugurated at the Darmstadt site in September 2016. They provide optimum light
protection for the cleanrooms and prevent outsiders from looking inside the secure
production environment. Long-term tests prove the longevity of the materials. They
operate perfectly, from the icy cold of a winter's night to the afternoon heat of a
midsummer's day. Other liquid crystal window installations include a building at
Schiphol Airport in Amsterdam and a meeting room at the University of Eindhoven.
The production site for the liquid crystal window modules will be located in
Veldhoven in the greater Eindhoven area, a high-tech hotspot in the Netherlands.

Convincing features, energy and economic efficiency
Licrivision makes buildings more pleasant to live and work in by maintaining the
view outside the windows and reducing the heat gain, which translates into less
cooling. The light transmittance values lie between a maximum of 70% in the light
state and a minimum of 5% in the dark state. Various liquid crystal mixtures with
different contrast and performance values can be selected within this range. Energy
savings of up to 40% are possible. The energy consumption of the window modules
is less than 1 W/m². Licrivision is invisibly integrated into the pane, with minimal
space requirements. Since fewer components are necessary than with conventional
shading solutions and the ongoing costs for cleaning and technical maintenance are
lower, liquid crystal windows stand for high economic efficiency.

Visitors to the BAU exhibition in Munich will find Merck in Hall C2, Stand 308.

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