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LCX038AST Arkusz danych(PDF) 1 Page - Sony Corporation

Numer części LCX038AST
Szczegółowy opis  XGA Data Projector LCD Product Line Featuring the Industrys Highest Optical Transmittance in 1.8, 2.3, and 3.3 cm Size Panels
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Producent  SONY [Sony Corporation]
Strona internetowa  http://www.sony.co.jp
Logo SONY - Sony Corporation

LCX038AST Arkusz danych(HTML) 1 Page - Sony Corporation

  LCX038AST Datasheet HTML 1Page - Sony Corporation LCX038AST Datasheet HTML 2Page - Sony Corporation  
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XGA Data Projector LCD Product Line
Featuring the Industry’s Highest Optical Transmittance in 1.8, 2.3, and 3.3 cm Size Panels
LCX023ELT/EMT
LCX029CNT/CPT, CRT/CST
LCX038ART/AST
Due to the increasingly widespread use of data projectors,
there are now even stronger desires for brighter and higher
resolution projectors. To respond to these desires, Sony has
developed a product line of 786K-dot XGA data projector
LCDs based on the unique Sony-developed DMS structure
and taking full advantage of high light resistance technol-
ogy and a newly-developed high aperture ratio structure.
All three sizes, 1.8 cm (0.7-type), 2.3 cm (0.9-type), and 3.3
cm (1.3-type), achieve the highest brightness in their size
class in the industry, and can be used in a wide range of
applications, from mobile PC-based presentations to con-
ference rooms, and even in large conference halls.
s
These devices achieve the highest optical
transmittance in their size class
1.8 cm (0.7-type): 21% (typ.)
s
Dual Metal Shield (DMS) structure adopted
s
Aspherical high efficiency microlenses
incorporated
s
Improved uniformity due to the adoption
of the OCS (On Chip Spacer) structure
s
Built-in crosstalk-free and ghost-free cir-
cuits
s
Up/down and/or right/left inversion func-
tions, input level shifter circuits
s
Antidust glass structure adopted
Highest Optical
Transmittance in Their
Class Achieved
By adopting Sony’s unique DMS struc-
ture, a newly-developed high aperture
ratio structure, and aspheric microlenses
(with ML) these products achieve the
greatest brightness of any devices in
their respective size class. The 1.8 cm
(0.7-type) models achieve an aperture
ratio of 42% and an optical transmit-
tance of 21% (with ML), the 2.3 cm
(0.9-type) models achieve an aperture
ratio of 54% and an optical transmit-
tance of 26% (with ML), and the 3.3
cm (1.3-type) models achieve an
aperture ratio of 67% and an optical
transmittance of 30% (with ML). For
the 2.3 cm (0.9-type) models this
corresponds to an improvement by a
factor of 1.2 over conventional products.
To improve the light resistance, we
developed the DMS structure used in
previous products even further, and
achieved light resistances of 1000 ANSI
lm in the 0.7-type models, 1500 ANSI
lm in the 0.9-type models, and 3000
ANSI lm in the 1.3-type models. In par-
ticular, the LCX038ART/AST is the
industry’s first 1.8 cm (0.7-type) XGA
data projector LCD, and can be used to
implement ultraportable data projectors.
(See table 1.)
High-picture Quality
Achieved
The three model types in this release all
adopt the TFT circuit technology devel-
oped in Sony’s previous data projector
LCD products, and achieve crosstalk-
free and ghost-free display. The device
structure is a high-brightness structure
consisting of a high light resistance
DMS structure and an OCS structure,
and achieves excellent uniformity.
Furthermore, by adopting this device
structure and the CXD3503R color
shading correction IC, it is possible to
correct not only for color shading in the
LCD panel itself, but also for color
shading in the illumination system, and
thus these devices can achieve high-
picture quality images with greater
evenness. All three of the model types
in this release feature a contrast of 400:1
(typical), which was achieved by opti-
mizing both the LCD design and the
LCD orientation technology.
Ease of Use
To support a wide range of applications,
Sony data projector LCDs include both
up/down and/or right/left inversion
functions and input level shifter circuit
to allow 5 V drive of the timing system.
Related Sony products create an envi-
ronment that allows users to get the best
performance from the characteristics
provided by the LCDs themselves.
These products include, for the analog
system, the CXA2111R signal driver
and the CXA3512R high voltage drive
sample-and-hold IC, which has been
well-received by the market, and the
CXD2467AQ, which integrates a pro-
grammable TG and RGB drivers on a
single chip as the digital system struc-
ture.
VOICE
To respond to our customers de-
sires for even brighter images
with even higher picture quality,
we are simultaneously releasing
three new XGA data projector
LCDs, a high-brightness 1.3-type
device, a 0.9-type device, and a
0.7-type device. All of us on this
project team grappled with the
main development issues, which
were to achieve both high optical
transmittance and high light re-
sistance. We are convinced that
Sony’s customers will be fully
satisfied with this new lineup of
XGA LCD products for use in ap-
plications from ultrasmall mobile
projectors to high picture quality
portable projectors.


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