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New Blue-Phase Liquid Crystal May Lead to Screens With 3x the Resolution of Retina Displays
WASHINGTON — An international team of researchers has developed a new
blue-phase liquid crystal that could enable televisions, computer
screens and other displays that pack more pixels into the same space
while also reducing the power needed to run the device. The new liquid
crystal is optimized for field-sequential color liquid crystal displays
(LCDs), a promising technology for next-generation displays.
“Today’s Apple Retina displays have a resolution density of about 500
pixels per inch,” said Shin-Tson Wu, who led the research team at the
University of Central Florida’s College of Optics and Photonics (CREOL
“With our new technology, a resolution density of 1500 pixels per inch
could be achieved on the same sized screen. This is especially
attractive for virtual reality headsets or augmented reality technology,
which must achieve high resolution in a small screen to look sharp when
placed close to our eyes.”
Although the first blue-phase LCD prototype was demonstrated by Samsung
in 2008, the technology still hasn’t moved into production because of
problems with high operation voltage and slow capacitor charging time.
To tackle these problems, Wu’s research team worked with collaborators
from liquid crystal manufacturer JNC Petrochemical Corporation in Japan
and display manufacturer AU Optronics Corporation in Taiwan.
In the journal Optical Materials Express,
from The Optical Society
(OSA), the researchers report how combining the new liquid crystal with
a special performance-enhancing electrode structure can achieve light
transmittance of 74 percent with an operation voltage of 15 volts per
pixel – operational levels that could finally make field-sequential
color displays practical for product development.http://www.osa.org/en-us/about_osa/newsroom/news_releases/2017/novel_liquid_crystal_could_triple_sharpness_of_tod/