Sony LCX023ELT Xga data projector lcd product line featuring the industrys highest optical transmittance in 1.8, 2.3, and 3.3 cm size panel Datasheet

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
These devices achieve the highest optical
transmittance in their size class
1.8 cm (0.7-type): 21% (typ.)
■
Dual Metal Shield (DMS) structure adopted
developed a product line of 786K-dot XGA data projector
■
Aspherical high efficiency microlenses
incorporated
■
Improved uniformity due to the adoption
of the OCS (On Chip Spacer) structure
■
Built-in crosstalk-free and ghost-free circuits
cm (1.3-type), achieve the highest brightness in their size
class in the industry, and can be used in a wide range of
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Up/down and/or right/left inversion functions, input level shifter circuits
applications, from mobile PC-based presentations to con-
■
Antidust glass structure adopted
LCDs based on the unique Sony-developed DMS structure
and taking full advantage of high light resistance technology 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
ference rooms, and even in large conference halls.
Highest Optical
Transmittance in Their
Class Achieved
By adopting Sony’s unique DMS structure, 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 transmittance of 21% (with ML), the 2.3 cm
(0.9-type) models achieve an aperture
ratio of 54% and an optical transmit-
V
O
I
C
E
To respond to our customers desires 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 resistance. We are convinced that
Sony’s customers will be fully
satisfied with this new lineup of
XGA LCD products for use in applications from ultrasmall mobile
projectors to high picture quality
portable projectors.
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 particular, 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 developed in Sony’s previous data projector
LCD products, and achieve crosstalkfree 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 highpicture 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 optimizing 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 environment 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 programmable TG and RGB drivers on a
single chip as the digital system structure.
VSIG1
VSIG2
VSIG3
VSIG4
VSIG5
VSIG6
VSIG7
VSIG8
VSIG9
VSIG10
VSIG11
VSIG12
COM
1 21 2 17 19 18 22 16 25 24 29 26 23 27 28 15 30 20
3 4 5 6 7 8 9 10 11 12 13 14 31
■ Figure 1 XGA Panel Dimension Specifications
Comparison
■ Figure 2 Panel Block Diagram
S/H driver
CXA3512R
S/H driver
CXA3512R
R
G
B
Signal driver
CXA2111R
S/H driver
CXA3512R
PRG, CLP
LPF
Color shading
correction
CXD3503R
HSYNC
PLL
CXA3106AQ
VST
S/H driver
CXA3512R
S/H driver
CXA3512R
S/H driver
CXA3512R
MCLK/2
LCD panel
R
6
6
6
6
6
6
LCX023ELT/EMT
LCX029CNT/CPT,CRT/CST
LCX038ART/AST
LCD panel
G
LCX023ELT/EMT
LCX029CNT/CPT,CRT/CST
LCX038ART/AST
LCD panel
B
LCX023ELT/EMT
LCX029CNT/CPT,CRT/CST
LCX038ART/AST
ENB, PRG, FRP
DSYNC
Timing pulses
Timing generator
CXD3500R
VSYNC
■ Figure 3 System Block Diagram
■ Table 1 XGA Panel Specifications Comparison
Product name
With ML
No ML
LCX038*
ART/AST
LCX029*
CRT/CST
CNT/CPT
LCX023*
EMT
ELT
1.8 cm (0.7-Type)
2.3 cm (0.9-Type)
3.3 cm (1.3-Type)
Screen size
XGA, high aperture ratio XGA, high aperture ratio XGA, high aperture ratio
1,024 (H) × 768 (V)
1,024 (H) × 768 (V)
1,024 (H) × 768 (V)
Number of dots
(786,000)
(786,000)
(786,000)
Outer dimensions 25 mm (H) × 26 mm (V) 28.2 mm (H) × 30.2 mm (V) 38 mm (H) × 42 mm (V)
Dot pitch
18 µm × 18 µm
14 µm × 14 µm
26 µm × 26 µm
54%
Aperture ratio
42%
67%
26% (With ML)
30% (With ML)
Optical
21%
transmittance
18% (No ML)
23% (No ML)
1,500 ANSI lm
3,000 ANSI lm
Light resistance
1,000 ANSI lm
Built in
Built in
Antidust glass
Built in
* Under development
LCX017
DLT
4.6 cm (1.8-Type)
XGA
1,024 (H) × 768 (V)
(786,000)
50 mm (H) × 56 mm (V)
36 µm × 36 µm
70%
24%
6,000 ANSI lm
Built in
COM
pad
V shift register
(bidirectional scanning)
Side-black control circuit
Precharge
control
circuit
38 mm
28.2 mm
H shift register (bidirectional scanning)
Input signal
level shifter
circuit
Black-frame control circuit
42 mm
104 mm
105 mm
30.2 mm
26 mm
25 mm
HVDD
VVDD
VSS
16.5 mm
Black-frame control circuit
16.5 mm
V shift register
(bidirectional scanning)
16.5 mm
PSIG
VSSGL
VSSGR
HST
HCK1
HCK2
BLK
RGT
VST
VCK
PCG
DWN
ENB
HB
VB
LCX023ELT/EMT
Up/down and/or right/left
inversion control circuit
LCX029CNT/CPT,
CRT/CST
101.5 mm
LCX038ART/AST
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