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3.4cm (1.35-inch) Black-and-White LCD Panel
Description
The LCX007BNB is a 3.4cm diagonal active matrix
TFT-LCD panel addressed by polycrystalline silicon
super thin film transistors with built-in peripheral driving
circuit. This panel, with polarizers on the both faces,
displays black-and-white images suitable to videophotographic printers and other applications.
This panel provides a wide aspect ratio of 16 : 9,
such as those represented in HD. The built-in sideblack function also allows an aspect ratio of 4 : 3 in
the NTSC/PAL mode.
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
system and control signals.
Features
• The number of active dots: 512,880 (1.35-inch; 3.4cm in diagonal)
• Horizontal resolution: 600 TV lines
• High optical transmittance: 16.5% (typ.)
• High contrast ratio with normally white mode: 190 (typ.)
• Built-in H and V drivers (built-in input level conversion circuit, 5V driving possible)
• NTSC/NTSC-WIDE/HD (band: 20MHz) mode selectable
(PAL/PAL-WIDE mode also available through conversion of scanned dot numbers by an external IC)
• Up/down and/or right/left inverse display function
• Side-black function
• 16 : 9 and 4 : 3 aspect-ratio switching function
• Built-in peripheral driver using polycrystalline silicon super thin film transistors.
Applications
Video-photographic printers 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 –
E95816A68-PS
Page 2
Block Diagram
1
SID
8
HST
10
HCK1
11
HCK2
6
WID
RGT
716
VST
VCK
1514
PCG
17
DWN
13
ENB
12
CLR
LCX007BNB
DD
DD
VV
HV
18
5
SS
V
SIG1 (G)
9
2
SIG2 (R)
3
SIG3 (B)
19
4
COM
Input Signal
Level Shifter
4 : 3/16 : 9
Control Circuit
Up/Down or Right/Left Inversion
V Shift Register
(Bidirectional Scanning)
H Shift Register (Bidirectional Scanning)
V Shift Register
(Bidirectional Scanning)
COM
Pad
Side Black
Control Circuit
– 2 –
Page 3
Absolute Maximum Ratings (VSS = 0V)
• H driver supply voltageHVDD–1.0 to +20V
• V driver supply voltageVVDD–1.0 to +20V
• Common pad voltageCOM–1.0 to +17V
• H shift register input pin voltageHST, HCK1, HCK2–1.0 to +17V
RGT, WID
• V shift register input pin voltageVST, VCK, PCG–1.0 to +17V
CLR, ENB, DWN
• Video signal input pin voltageSIG1, SIG2, SIG3, SID–1.0 to +15V
• Operating temperatureTopr–10 to +70°C
• Storage temperatureTstg–30 to +85°C
Operating Conditions (VSS = 0V)
Supply voltage
HVDD15.7 V
VVDD15.7 V
+0.3
–0.4
+0.3
–0.4
Input pulse voltage (Vp-p of all input pins except video signal and side black signal input pins)
Vin5.0 ± 0.5V
LCX007BNB
Pin Description
Pin
No.
1
2
3
4
5
6
7
8
SymbolDescription
SID
SIG1 (G)
SIG2 (R)
SIG3 (B)
HVDD
WID
RGT
HST
Side black signal for 4:3 display
Video signal (G∗1) to panel
Video signal (R∗1) to panel
Video signal (B∗1) to panel
Power supply for H driver
Aspect-ratio switching
(H: 16:9, L: 4:3)
Drive direction pulse for H shift
register (H: normal, L: reverse)
Start pulse for H shift register
drive
Pin
No.
11
12
13
14
15
16
17
18
SymbolDescription
HCK2
CLR
ENB
VCK
PCG
VST
DWN
VVDD
Clock pulse for H shift register
drive
Improvement pulse (1) for
uniformity
Enable pulse for gate selection
Clock pulse for V shift register
drive
Improvement pulse (2) for
uniformity
Start pulse for V shift register
drive
Drive direction pulse for V shift
register (H: normal, L: reverse)
Power supply for V driver
9
Vss
10
HCK1
∗1
(R), (G) and (B) are indicated for convenience to show the correspondence with the dot arrangement
GND (H, V drivers)
Clock pulse for H shift register
drive
19
20
COM
TEST
Common voltage of panel
Test; Open
diagram.
– 3 –
Page 4
LCX007BNB
Input Equivalent Circuit
To prevent static charges, protective diodes are provided for each pin except the power supply. In addition,
protective resistors are added to all pins except video signal input. All pins are connected to Vss with a high
resistance of 1MΩ (typ.). The equivalent circuit of each input pin is shown below: (The resistor value: typ.)
(1) SIG1, SIG2, SIG3, SID
HV
DD
Input
1MΩ
(2) HCK1, HCK2
(3) RGT, WID
(4) HST
(5) PCG, VCK
Input
Input
Input
HV
DD
250Ω
250Ω
HV
HV
VV
DD
DD
DD
1MΩ
1MΩ
2.5kΩ2.5kΩ
1MΩ
1MΩ
250Ω
Level conversion circuit
250Ω
250Ω250Ω
(2-phase input)
Level conversion circuit
(single-phase input)
Level conversion circuit
(single-phase input)
Signal line
Input
(6) VST, CLR, ENB, DWN
Input
(7) COM
Input
VV
VVDD
DD
1MΩ
1MΩ
250Ω250Ω
Level conversion circuit
(single-phase input)
2.5kΩ2.5kΩ
Level conversion circuit
(single-phase input)
1MΩ
– 4 –
LC
Page 5
Input Signals
1. Input signal voltage conditions (VSS = 0V)
LCX007BNB
Item
H driver input voltage
WID, RGT, HST, HCK1, HCK2
V driver input voltage
CLR, ENB, VCK, PCG, VST, DWN
(Low)
(High)
(Low)
(High)
Video signal center voltage
Video signal input range
Common voltage of panel
∗1
Video input signal shall be symmetrical to VVC.
∗2
Common voltage of the panel shall be adjusted to VVC – 0.4V.
The LCX007BNB 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.
Hst rise time
Hst fall time
Hst data set-up time
Hst data hold time
∗3
Hckn
rise time
Hckn∗3fall time
Hck1 fall to Hck2 rise time
Hck1 rise to Hck2 fall time
Clr rise time
Clr fall time
Clr pulse width
Vck rise/fall to Clr fall time
Vst rise time
Vst fall time
Vst data set-up time
Vst data hold time
Vck rise time
Vck fall time
Basic measurement conditions
(1) Driving voltage
HVDD = 15.7V, VVDD = 15.7V
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 types of measurement system are used as shown below.
(5) Video input signal voltage (Vsig)
Vsig = 7.0 ± VAC [V] (VAC: signal amplitude)
∗ Measurement system I
LCX007BNB
Back Light
3.5mm
∗ Measurement system II
Light receptor lens
Drive Circuit
LCD panel
Light
Source
Luminance
Meter
Back light: color temperature 6500 ± 700K (25°C)
Polarizer: POLATECHNO Co., Ltd. THC-13U (Luminance meter side)
Optical fiber
LCD panel
Measurement
Equipment
Light Detector
Measurement
Equipment
1. Contrast Ratio
Contrast Ratio (CR) is given by the following formula (1).
L (White)
CR =
L (Black)
... (1)
L (White): Surface luminance of the TFT-LCD panel at the input signal amplitude VAC = 0.5V.
L (Black): Surface luminance of the panel at VAC = 4.5V.
Both luminosities are measured by System I.
– 11 –
Page 12
2. Optical Transmittance
Optical Transmittance (T) is given by the following formula (2).
LCX007BNB
T =
Luminance of Back Light
L (White)
× 100 [%] ... (2)
L (White) is the same expression as defined in the 'Contrast Ratio' section.
3. V-T Characteristics
V-T characteristics, the relationship between signal
amplitude and the transmittance of the panels, are
90
measured by System II. V90, V50 and V10 correspond to
the each voltage which defines 90%, 50% and 10% of
50
transmittance respectively.
Transmittance [%]
10
4. Response Time
Input signal voltage (waveform applied to the measured pixels)
Response time 'ton' and 'toff' are defined by
the formula (5) and (6) respectively.
ton = t1 – tON ... (5)
4.5V
7.0V
0.5V
toff = t2 – tOFF ... (6)
90 V50 V10
V
VAC – Signal amplitude [V]
t1: time which gives 10% transmittance of
the panel.
t2: time which gives 90% transmittance of
the panel.
The relationships between t1, t2, tON and
tOFF are shown in the right figure.
0V
Light transmission output waveform
100%
90%
10%
0%
tONt1
ton
tOFFt2
toff
– 12 –
Page 13
LCX007BNB
5. Flicker
Flicker (F) is given by the formula (7). DC and AC (NTSC: 30Hz, rms, PAL: 25Hz, rms) components of the
panel output signal for gray raster∗1mode are measured by a DC voltmeter and a spectrum analyzer in
System II.
F [dB] = 20 log
AC component
{
DC component
... (7)
}
∗1
Each input signal condition for gray raster mode is given by
Vsig = 7.0 ± V50 [V]
where: V50 is the signal amplitude which gives 50% of
transmittance in V-T characteristics.
6. Image Retention Time
Image Retention time is given by following procedures.
Apply the monoscope signal to the LCD panel for 60 minutes and then change this signal to the gray scale of
Vsig = 7.0 ± VAC (VAC: 3 to 4V). Hold VAC that maximizes image retention judging by sight. Measure the time
till the residual image becomes indistinct.
Black level
∗
Monoscope signal conditions:
Vsig = 7.0 ± 4.5 or ±2.0 [V]
(shown in the right figure)
Vcom = 6.6V
4.5V
2.0V
7.0V
0V
Vsig waveform
White level
2.0V
4.5V
7. Cross talk
Cross talk is determined by the luminance differences between adjacent areas represented Wi' and Wi (i = 1
to 4) around black window (Vsig = 4.5V/1V).
W2
W2'
W1 W1'
W3 W3'
W4
W4'
Cross talk CTK = × 100 [%]
Wi' – Wi
Wi
– 13 –
Page 14
Viewing angle characteristics
90
20
LCX007BNB
CR = 5
10
Phi
180
200
270
100
150
10
50
Marking
305070
θ0°
Z
θ
φ90°
0
Theta
φ180°
X
φ270°
– 14 –
φ
Y
φ0°
Measurment method
Page 15
Optical transmittance of LCD panel (Typical Value)
The basic operations of the LCD panel are shown below based on the wide-display mode.
• A vertical driver, which consists of vertical shift registers, enable-gates and buffers, applies a selected pulse
to every 480 gate lines sequentially in every horizontal scanning period.
• A horizontal driver, which consists of horizontal shift registers, gates and CMOS sample-and-hold circuits,
applies selected pulses to every 1068.5 signal electrodes sequentially in a single horizontal scanning period.
• Vertical and horizontal shift registers address one pixel, and then turn on Thin Film Transistors (TFTs; two
TFTs) to apply a video signal to the dot. The same procedures lead to the entire 480 × 1068.5 dots to display
a picture in a single vertical scanning period.
• The LCD pixel dots are arranged in a delta pattern, where the dots connected to the identical signal line are
positioned with 1.5-dot offset against those of the adjacent horizontal line. Horizontal Start Pulse (HST) is
generated with 1.5-bit offset between the horizontal lines to regulate the above offset. HCK and sample-hold
(S/H) pulses follow the same 1.5-bit offset scheme.
• The CLR pin is provided to eliminate the shading effect caused by the coupling of selected pulses. While
maintaining the CLR at High level, the VVDD potential drops to approximately 9.5V. This pin shall be
grounded when not in use.
• The video signal shall be input with polarity-inverted system in every horizontal cycle.
• Timing diagrams of the vertical and the horizontal display cycle are shown below:
(1) Vertical display cycle
VD
VST
VCK
12480
Vertical display cycle 480H
(2) Horizontal display cycle (16:9)
BLK
HST
HCK1
HCK2
123456
Horizontal display cycle
356
357
(3) Horizontal display cycle (4:3)
BLK
HST
HCK1
HCK2
123456
267
268
Horizontal display cycle
– 18 –
Page 19
LCX007BNB
[Description of operating mode]
The LCD panel has the following functions to easily apply to various uses, as well as various broadcasting
systems.
• Right/left inverse mode
• Up/down inverse mode
• 4:3 display mode with side-black display
These modes are controlled by three signals (RGT, DWN, and WID). The setting mode is shown below:
WID
RGTModeDWN
H
H
16:9 right scan
H
L
16:9 left scan
L
H
4:3 right scan
L
L
4:3 left scan
H
L
Down scan
Up scan
Mode
The direction of the right/left and/or up/down mean when Pin 1 marking is located at right side with the pin
block upside.
• The analog signal (SID) to display side-black shall be input by 1H inversion synchronized with the signal.
3. 3-dot Simultaneous Sampling
Horizontal driver samples SIG1, SIG2 and SIG3 signal simultaneously, which requires the phase matching
between SIG1, SIG2, and SIG3 signals to prevent horizontal resolution from deteriorating. Thus phase
matching between each signal is required using an external signal delaying circuit before applying video
signal to the LCD panel.
The block diagram of the delaying procedure using sample-and-hold method is as follows.
The LCX007 has the right/left inverse function. The following phase relationship diagram indicates the phase
setting for the right scan (RGT = High level). For the left scan (RGT = Low level), the phase setting shall be
inverted between SIG2 and SIG3 signals.
SIG2
SIG1
SIG3
S/HS/HAC Amp
CK2
S/H
CK1
CK3
S/HAC Amp
CK3
S/HAC Amp
CK3
<Phase relationship of delaying sample-and-hold pulses> (right scan)
HCKn
CK2
CK1
SIG2
3
SIG1
2
LCX007BNB
SIG3
4
CK3
– 19 –
Page 20
Display System Block Diagram
An example of display system is shown below.
LCX007BNB
∗
The SIG1, 2, 3 and
H SYNC signals with
double-speed processing
shall be applied to those
pins in the NTSC/PAL
modes.
SIG2
SIG1
SIG3
HSYNC
VSYNC
HST
HCK1
HCK2
VST
VCK
PCG
SID
SIG2
SIG1
SIG3
COM
LCD Panel
LCX007BNB
∗
∗
RGB Driver
CXA1819Q
∗
FRPSH
∗
TG
CXD2412AQ
ENB
CLR
WID
RGT
DWN
– 20 –
Page 21
Reliability test conditions
ItemsTest conditionsTime
LCX007BNB
High temperature
operation
High temperature storage
High temperature & high
humidity storage
Temperature cycle
Vibration
Ta = 70°C
HVDD = 15.7V
VVDD = 15.7V
Ta = 85°C
Ta = 40°C
95% RH
Ta = –30 to +85°C
X, Y, Z, 1.5mm
10 to 55Hz (1min. reciprocation)
Anti-electrostatic discharge test results
Conditions: C = 200pF, Rs = 0Ω
Result:
Breakdown
voltage
+
–
Up to 100V101 to 200V
–
–
Pins except pin no.8 have the strength more than 200V.
–
Pin 8
250h
250h
250h
10cy
20min. for each
direction
Panel appearance
and performance
after those tests must
conform with the
standards.
– 21 –
Page 22
LCX007BNB
Important
(1) Direction of incident light
Allow incident light to hit upon an opposite side of a mark-indicated surface.
Direction of incidence
Marking side
(2) Polarizer
This LCD is attached with a polarizer. A suitable heat-dissipation method shall be incorporated to suppress
optical degradation of a polarizer.
(3) Light source
• Use visible light (wavelength λ = 400 to 780nm) as a light source. Do not use a light source containing
infrared or ultraviolet components.
• Suppress leakage light (reflection light) into a backside of a panel to sufficiently weak level or shut it out
completely.
– 22 –
Page 23
Notes on Handling
(1) Static charge prevention
Be sure to take following protective measures. TFT-LCD panels are easily damaged by static charge.
a) Use non-chargeable gloves, or simply use bare hands.
b) Use an earth-band when handling.
c) Do not touch any electrodes of a panel.
d) Wear non-chargeable clothes and conductive shoes.
e) Install conductive mat on the working floor and working table.
f) Keep panels away from any charged materials.
g) Use ionized air to discharge the panels.
(2) Protection from dust and dirt
a) Handle in clean environment.
b) When delivered, a surface of a panel (Polarizer) is covered by a protective sheet.
Peel off the protective sheet carefully not to damage the panel.
c) Do not touch the surface of a panel. The surface is easily scratched. When cleaning, use a clean-room
wiper with isopropyl alcohol. Be careful not to leave stain on the surface.
d) Use ionized air to blow off dust at a panel.
LCX007BNB
(3) Other handling precautions
a) Do not twist or bend the flexible PC board especially at the connecting region because the board is
easily deformed.
b) Do not drop a panel.
c) Do not twist or bend a panel or a panel frame.
d) Keep a panel away from heat source.
e) Do not dampen a panel with water or other solvents.
f) Avoid to store or to use a panel in a high temperature or in a high humidity, which may result in
panel damages.
g) Minimum bent radius rating for flexible substrates is 1mm.
h) Panel screw torque should not exceed 3kg · cm.
– 23 –
Page 24
Package OutlineUnit: mm
Thickness of the connector 0.3 ± 0.05
21.0 ± 0.15
2-R0.5
Except cover 3.4 ± 0.1
9.75 ± 1.5
1.8 ± 0.1
4
(40.5)
(42.5)
1
2-φ3.5
2
76.5 ± 1.3
LCX007BNB
31.4 ± 0.2
4.55 ± 0.1
3
5
6
PIN1
Active Area
(29.9)
20.25 ± 0.25
40.5 ± 0.15
34.0 ± 0.2
(16.8)
13.6 ± 0.25
P 1.0 × 19 = 19.0 ± 0.1
0.6 ± 0.05
1.0 ± 0.15
Incident
36.0 ± 0.15
1.5 ± 0.15
light
6
7
PIN20
0
– 0.1
φ2.5
0.5 ± 0.15
4.0 ± 0.3
Polarizing
Axis
No
1
2
3
4
5
6
30.75 ± 0.2
2.0 ± 0.1
Description
F P C
Molding material
Outside frame
Reinforcing board
Reinforcing material
Polarizing film
electrode (enlarged)
The rotation angle of the active area relative to H and V is ± 1°.
– 24 –
7
Cover
weight 7g
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