Sharp 2010 Annual Report Download - page 17

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UV2A* Technology
The plant uses UV2A technology, a completely new photo-
alignment technology that exposes ultraviolet (UV) light onto
an alignment film as part of the LCD panel manufacturing pro-
cess. This next-generation “pico-technology” for LCDs can
control the tilt angle of liquid crystal molecules only 2 nanome-
ters (a nanometer equals 10–9m) long, controlling them evenly
and with precision measured in picometers (a picometer equals
10–12m). Conventional technology required structural ribs and
slits to stably control the alignment of liquid crystal molecules
in each individual cell. These structures allowed light to leak
through when making the screen dark, and reduced transmis-
sivity when making the screen bright, compromising contrast
and preventing efficient use of the backlight. By eliminating
ribs and slits UV2A technology enables far more efficient use of
light and greatly reduces power consumption. The result is a
high-perfomance display able to produce a wide range from
extremely deep blacks to brilliant whites that also consumes
significantly less power.
Four-Primary-Color Technology
Sharp has overturned the conventional color reproduction
approach in TVs based on three primary colors (red/green/blue)
by adding yellow as a fourth color. We have started production
of LCD panels featuring this newly developed four-primary-
color technology. The conventional three-primary-color method
makes accurate color reproduction difficult for many interme-
diate hues. Adding yellow makes it possible to reproduce
colors such as gold, sunflower yellow and cyan blue in a more
vivid and realistic way than ever before. By integrating this
four-primary-color approach with Sharp’s image processing
circuit technology, we have realized higher definition and a
wider color gamut.
■ Bright image
■ Fast response
■ High contrast
State-of-the-art LCD Panel Technology by Sharp
UV2A technology allows highly efficient use of backlighting and saves energy, while four-primary-color technology
produces vivid, natural images. Sharp fuses these advances to create a one-of-a-kind LCD panel technology at its plant in
GREEN FRONT SAKAI.
Innovation of LCD Panel Technology
Four-Primary-Color TechnologyUV2A TechnologyConventional Technology
■ Bright image
■ Fast response
■ High contrast
* An abbreviation of Ultraviolet-induced multi-domain Vertical Alignment.
■ Wider color gamut
■ High definition
Special Feature
Annual Report 2010 15