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PDF LCX012BL Data sheet ( Hoja de datos )
| Número de pieza | LCX012BL | |
| Descripción | 3.3cm (1.3-inch) Black-and-White LCD Panel | |
| Fabricantes | Sony | |
| Logotipo |  |
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LCX012BL
3.3cm (1.3-inch) Black-and-White LCD Panel
Description
The LCX012BL is a 3.3cm diagonal active matrix
TFT-LCD panel addressed by polycrystalline silicon
super thin film transistors with built-in peripheral
driving circuit. Use of three panels in combination
with the LCX012BL provides a full-color represen-
tation. The striped arrangement suitable for data
projectors is capable of displaying fine text and
vertical lines.
The adoption of advanced on-chip black matrix
realizes high picture quality without cross talk by
incorporating high luminance screen and cross talk
free circuit.
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.
Using Sony’s timing generator “CXD2442Q” sends
timing signal necessary for LCD panel drive by
identificating computer supporting VGA automati-
cally, and supports double-speed processed
NTSC/PAL.
Features
• The number of active dots: 312,000 (1.3-inch; 3.3cm in diagonal)
• Accepts the computer requirements of VGA platform (640 x 480)
• High optical transmittance: 25% (typ.)
• Supports NTSC/PAL by processing the video signal at double speed
• Built-in cross talk free circuit
• High contrast ratio with normally white mode: 250 (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
Element Structure
• Dots: 644 (H) × 484 (V) = 311,696
• 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–
E96512-ST
1 page  
LCX012BL
Input Signals
1. Input signal voltage conditions
(VSS = 0V)
Item
Symbol
Min.
Typ.
Max.
Unit
(Low)
VHIL
–0.5 0.0
H driver input voltage
(High) VHIH 4.5 5.0
0.4 V
5.5 V
(Low)
VVIL
–0.5 0.0
V driver input voltage
(High) VVIH 4.5 5.0
0.4 V
5.5 V
Video signal center voltage
Video signal input range∗1 (SIG1 to 6)
Common voltage of panel∗2
VVC
Vsig
Vcom
6.8 7.0 7.2
VVC – 4.5 7.0 VVC + 4.5
VVC – 0.5 VVC – 0.4 VVC – 0.3
V
V
V
Uniformity improvement signal
input voltage (PSIG)∗3
Vpsig
VVC ± 3.3 VVC ± 3.5 VVC ± 3.7 V
∗1 input 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).
Input waveform of uniformity improvement signal PSIG
90%
PSIG
VVC
PCG
10%
trPSIG
tfPSIG
Level Conversion Circuit
The LCX012BL 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 
LCX012BL
<Electro-optical Characteristics Measurement>
Basic measurement conditions
(1) Driving voltage
HV DD = 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 screen unless otherwise specified.
(4) Measurement systems
Two typed of measurement system are used as shown below.
(5) Video input signal voltage (Vsig)
Vsig = 7.0 ±V AC [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 an equivalent
Projection lens: The 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-18242T 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).
CR =
L (White)
L (Black)
... (1)
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 Ι.
– 11 –
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet LCX012BL.PDF ] | |
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