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PDF LCX026ALG Data sheet ( Hoja de datos )

Número de pieza LCX026ALG
Descripción 2.3cm (0.9-inch) Black-and-White LCD Panel
Fabricantes Sony 
Logotipo Sony Logotipo



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No Preview Available ! LCX026ALG Hoja de datos, Descripción, Manual

LCX026ALG
2.3cm (0.9-inch) Black-and-White LCD Panel
For the availability of this product, please contact the sales office.
Description
The LCX026ALG is a 2.3cm diagonal active matrix
TFT-LCD panel addressed by polycrystalline silicon
super thin film transistors with a built-in peripheral
driving circuit. Use of three LCX026ALG panels
provides a full-color representation. The striped
arrangement suitable for data projectors is capable
of displaying fine text and vertical lines.
The adoption of an advanced on-chip black matrix
realizes a high luminance screen. And cross talk
free circuit and ghost free circuit contribute to high
picture quality.
This panel has a polysilicon TFT high-speed
scanner and built-in function to display images
up/down and/or right/left inverse. The built-in 5V
interface circuit leads to lower voltage of timing and
control signals.
The panel contains an active area variable circuit
which supports SVGA/VGA/PC981 data signals by
changing the active area according to the type of
input signal. In addition, double-speed processed
NTSC/PAL can also be supported.
1 “PC98” is a treadmark of NEC Corporation.
Features
Number of active dots: 485,000 (0.9-inch, 2.3cm in diagonal)
Accepts the computer requirements of SVGA (804 × 604), VGA (644 × 484) and PC98 (644 × 404) platforms
Supports NTSC (644 × 484) and PAL (762 × 572) by processing the video signal at double speed
High optical transmittance: 17% (typ.)
Built-in cross talk free circuit and ghost free circuit
High contrast ratio with normally white mode: 350 (typ.)
Built-in H and V drivers (built-in input level conversion circuit, 5V driving possible)
Up/down and/or right/left inverse display function
High durable polarizer used
Built-in λ/2 retardation film for green light (V)
Element Structure
Dots: 804 (H) × 604 (V) = 485,616
Built-in peripheral driver using polycrystalline silicon super thin film transistors
Applications
Liquid crystal data projectors
Liquid crystal projectors, etc.
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E98537-PS

1 page




LCX026ALG pdf
LCX026ALG
Input Signals
1. Input signal voltage conditions (VSS = 0V)
Item Symbol
H shift register input voltage (Low) VHIL
HST, HCK1, HCK2, RGT (High) VHIH
V shift register input voltage (Low)
MODE1, MODE2, MODE3,
BLK, VST, VCK, PCG,
ENB, DWN
(High)
VVIL
VVIH
Video signal center voltage
Video signal input range1
Common voltage of panel2
VVC
Vsig
Vcom
Uniformity improvement signal
input voltage (PSIG)3
Vpsig
Min. Typ. Max.
–0.5 0.0
0.4
4.5 5.0 5.5
–0.5 0.0
0.4
4.5 5.0 5.5
6.8 7.0 7.2
VVC – 4.5 7.0 VVC + 4.5
VVC – 0.5 VVC – 0.4 VVC – 0.3
VVC ± 4.3 VVC ± 4.5 VVC ± 4.7
Unit
V
V
V
V
V
V
V
V
1 Input video signal shall be symmetrical to VVC.
2 The typical value of the common pad voltage may lower its suitable voltage according to the set
construction to use. In this case, use the voltage of which has maximum contrast as typical value.
When the typical value is lowered, the maximum and minimum values may lower.
3 Input a uniformity improvement signal PSIG in the same polarity with video signals SIG1 to 6 and which is
symmetrical to VVC. Also, the rising and falling of PSIG are synchronized with the rising of PCG pulse, and
the rise time trPSIG and fall time tfPSIG are suppressed within 800ns (as shown in a diagram below).
The optimum input voltage of PSIG may be changed according as drive conditions of the drive side.
Input waveform of uniformity improvement signal PSIG
90%
PSIG
VVC
PCG
10%
trPSIG
tfPSIG
Level Conversion Circuit
The LCX026ALG has a built-in level conversion circuit in the clock input unit on the panel. The input signal
level increases to HVDD or VVDD. The VCC of external ICs are applicable to 5 ± 0.5V.
–5–

5 Page





LCX026ALG arduino
LCX026ALG
<Electro-optical Characteristics Measurement>
Basic measurement conditions
(1) Driving voltage
HVDD = 15.5V, VVDD = 15.5V
VVC = 7.0V, Vcom = 6.6V
(2) Measurement temperature
25°C unless otherwise specified.
(3) Measurement point
One point in the center of the screen unless otherwise specified.
(4) Measurement systems
Two types of measurement systems are used as shown below.
(5) Video input signal voltage (Vsig)
Vsig = 7.0 ± VAC [V]
(VAC = signal amplitude)
Measurement system I
Approx. 2000mm
Luminance
Meter
LCD Projector
Measurement
Equipment
Measurement system II
Screen: Made by Sony (VPS-120FH: Gain 2.8, Glass Beaded Type) or equivalent
Projection lens: Focal distance 80mm, F1.9
Light source: 155W metal Haloid arc lamp (Color temperature 7500K ± 500)
(× 24, Sensor area: 7mmφ)
Polarizer: Nitto Denko’s EG-1224DU or Polatechno’s SKN-1824ZT or equivalent
Light receptor lens
Optical fiber
Light Detector
Measurement
Equipment
Drive Circuit
LCD panel
Light
Source
1. Contrast Ratio
Contrast Ratio (CR) is given by the following formula (1).
L (White)
CR =
... (1)
L (Black)
L (White): Surface luminance of the center of the screen at the input signal amplitude VAC = 0.5V.
L (Black): Surface luminance of the center of the screen at VAC = 4.5V.
Both luminosities are measured by System I.
– 11 –

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