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Leading Edge LCD Products:
Ultrahigh Resolution “SXRD” Full HD Reflective LCD and
Ultrabright "BrightEra" SXGA+/XGA Transmissive LCD
SXRD211, LCX079A/LCX083A
Sony is now releasing two new LCD products: the 0.61-type SXRD*1,
which is the world's smallest full HD LCD, and the 0.79-type BrightEra*2 which includes both an inorganic alignment film,
which Sony led the industry in developing** as an HTPS technology*3, as well as a new LCD device technology.
The SXRD is a full HD reflective microdisplay for next generation
AV projectors. It achieves the extremely high contrast ratio of 5000:1
and a high reflective efficiency despite a reduced pixel size.
The BrightEra is a transmissive microdisplay that deploys both
Sony's unique inorganic alignment film developed for the SXRD
and a new LCD device technology to achieve the industry's highest
levels of brightness and efficiency.
Sony is committed to leading the industry in the supply of
microdisplay devices for high-performance projectors.
**: As of February 2005, the time of the announcement. |
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Reflective Microdisplay SXRD (At the left in the photograph)
SXRD211 |
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* LCOS reflective LCD panel
* Diagonal 0.61-type display
* Resolution: Full HD (1920 × 1080)
* Pixel pitch: 7 µm square
* Contrast: 5000:1 |
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Transmissive Microdisplay BrightEra (At the right in the photograph)
LCX079A/LCX083A |
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* HTPS transmissive LCD panel
* Diagonal 0.79-type display with microlenses
* Resolution: SXGA+/XGA
* Pixel pitch: 11.5 µm/15.6 µm square
* Contrast: 850:1 |
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Inorganic Alignment Film and
New LCD Technologies |
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Sony independently developed the inorganic
alignment film and a new LCD device technology
used in both these devices to achieve
the SXRD’s high picture quality and resistance
to light. Compared to the earlier organic alignment
film, molecular coupling in the alignment
film has been increased significantly and absorption
of short wavelength light has been
reduced. This increases the device’s resistance to damage by light and makes it possible to
use powerful illumination. Furthermore, the
physical alignment processing provided by
rubbing in earlier devices is no longer required,
allowing an extremely even image to be acquired.
At the same time, the normally black
mode LCD device technology results in an
ideal LCD array, and an even tighter black can
be achieved.
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SXRD211 |
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While 720p has become the current mainstream
in the AV market, there is also rapid
progress in the move to full HD (1080p) in
such areas as terrestrial digital TV, camcorders,
and especially in Blu-ray recorders.
The device that will bring this resolution to
projectors is the SXRD211 0.61-type full HD
reflective microdisplay.
Sony’s leading edge fine fabrication technology
has reached the industry’s finest pixel pitch
of 7 µm and made it possible to achieve the
increased pixel count necessary for full HD in
a 0.61-type device. Furthermore, a new reflective
film structure achieves the high reflectivity
of 74%. By optimizing the inorganic alignment
film and the new LCD device technology to
this structure, Sony was able to achieve the
industry’s highest level of high-contrast performance:
a contrast of 5000:1.
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LCX079A/LCX083A |
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The trend towards higher brightness continues
in the business projector market, and market growth in the 3000 to 5000 lm class products
is expected. In particular, devices in the
4000 to 5000 lm class are capable of providing
enough screen contrast without turning off
the room lights in conference rooms with 100-inch class screens. This is a critical product
zone that can project clear video images even
under bright ambient lighting conditions. This
brightness range could only be achieved with
large-scale devices in the 0.99 to 1.3-type class
in projectors based on devices that used the
earlier organic alignment film.
By deploying the inorganic alignment film
technology in the BrightEra devices of this
release, and by inheriting the features of this
technology, namely high light resistance and
high picture quality, it becomes possible to use
even brighter light sources. Thus it is now possible
to create a reasonable projector with extremely
high brightness in excess of 4000 lm
by using the miniature 0.79-type LCX079A
and LCX083A devices. In addition, Sony also
succeeded in reducing the area of the TFT elements
by about 70%, which also contributes
to even higher brightness due to the higher
pixel aperture ratio.
Not only has brightness been improved, but
adoption of the normally black mode LCD
device achieves a contrast about three times
higher than that of earlier LCDs.
*1: “SXRD” and  are trademarks of Sony
Corporation.
*2: “BrightEra” and  are trademarks of
Sony Corporation.
*3: HTPS: High-temperature polycrystalline silicon |
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•••• Mr. YOSHIMI & SHIRASAKA ••••
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[SXRD] We hope you will enjoy
the large-screen movie experience
provided by Sony’s ultrahigh
definition film-like high picture
quality that is not possible on
direct viewing displays such as
LCD and PDP. This picture quality
is now provided by projectors
that include the world's smallest
full high definition SXRD.
[BrightEra] Wouldn’t you like to
be relieved of the stress of turning
lights on and off in conference
rooms by projectors that include
BrightEra, which achieves the
industry’s highest level of projector
brightness based on unique
Sony technologies? |
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See
all articles with figures and tables.  |
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Vol.46 |
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