LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
SPECIFICATION
FOR
APPROVAL
( ♦ ) Preliminary Specification
(
) Final Specification
Title
10.4” SVGA TFT LCD
SUPPLIER
BUYER
MODEL
LG.Philips LCD Co., Ltd.
Model
LP104S5
SUFFIX
A2VT
* When you obtain standard approval ,
please use the above model name without suffix.
SIGNATURE
DATE
APPROVED BY
/
S. H. Kang / G.Manager
/
REVIEWED BY
J. H. Lee / Manager
H.S. Yoon / Manager
/
PREPARED BY
S.Y. Lee / Engineer
J.H. Hwang / Engineer
Please return 1 copy for your confirmation
DATE
Product Engineering Dept.
with your signature and comments.
LG.Philips LCD Co., Ltd.
Alpha Point Ltd.
Vernissakatu 8A
01300 Vantaa, Finland
Tel.: +358-9-34 64 34 1
Fax: +358-9-34 64 34 2
http://www.alpha.fi
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
CONTENTS
NO.
ITEM
Page
-
COVER
1
-
CONTENTS
2
-
RECORD OF REVISIONS
3
1
GENERAL DESCRIPTION
4
2
ABSOLUTE MAXIMUM RATINGS
5
3
ELECTRICAL SPECIFICATIONS
3-1
ELECTRICAL CHARACTERISTICS
6
3-2
INTERFACE CONNECTIONS
7
3-3
SIGNAL TIMING SPECIFICATIONS
9
3-4
SIGNAL TIMING WAVEFORMS
10
3-5
COLOR INPUT DATA REFERENCE
11
3-6
POWER SEQUENCE
12
4
OPTICAL SPECIFICATIONS
13
5
MECHANICAL CHARACTERISTICS
16
6
RELIABILITY
20
7
INTERNATIONAL STANDARDS
7-1
SAFETY
21
7-2
EMC
21
8
PACKING
8-1
DESIGNATION OF LOT MARK
22
8-2
PACKING FORM
22
9
PRECAUTIONS
23
Alpha Point Ltd.
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
RECORDS OF REVISIONS
Version No
Date
Page
0.0
Oct 06, 2000
-
DESCRIPTION
First draft
Alpha Point Ltd.
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
1. General Description
The LP104S5-A2VT is a Color Active Matrix Liquid Crystal Display with an integral Cold Cathode
Fluorescent Lamp(CCFL) backlight system. The matrix employs a-Si Thin Film Transistor as the active
element. It is a transmissive type display operating in the normally white mode. This TFT-LCD has a 10.4
inches diagonally measured active display area with SVGA resolution(600 vertical by 800 horizontal pixel
array). Each pixel is divided into Red, Green and Blue sub-pixels or dots which are arranged in vertical
stripes. Gray scale or the brightness of the sub-pixel color is determined with a 6-bit gray scale signal for
each dot, thus, presenting a palette of more than 262,144 colors.
The LP104S5-A2VT is intended to support applications where thin thickness is critical factors and
graphic displays are important. In combination with the vertical arrangement of the sub-pixels, the
LP104S5-A2VT characteristics provide an excellent flat panel display for office automation products such
Timing
Control
Block
Column driver circuit
Row Driver circuit
TTL interface
CN1
as Notebook PC.
Power
Block
CN2
TFT-LCD
(800 X 600)
Backlight Ass’y
CN1: FI-XB30S-HF10 or equivalent , CN2: BHSR-02VS-1(JST)
General Features
Active screen size
10.4 inches(264.16mm) diagonal
Outline dimensions
224.5(H) X 172.0(V) X 5.7(D) mm (Typ.)
Pixel pitch
0.264 mm X 0.264 mm
Pixel format
800 horiz. by 600 vert. pixels
RGB stripe arrangement
Color depth
6-bit, 262,144 colors
Luminance,White
170 cd/m (Typ.)
Power Consumption
Total 3.9 Watt(Typ.)
Weight
310g (Typ.)
Display operating mode
Surface treatments
2
Transmissive mode, normally white
Hard coating (3H),
Anti-glare treatmentAlpha
of the
front
Point
Ltd.polarizer
Vernissakatu 8A
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
2. Absolute Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
Table 1
Parameter
Power Input Voltage
Operating Temperature
Operating Tempe. for Panel
Storage Temperature
Operating Ambient Humidity
Storage Humidity
ABSOLUTE MAXIMUM RATINGS
Values
symbol
Min.
Max.
4.0
VCC
-0.3
50
0
TOP
60
0
60
-20
TST
90
10
HOP
90
10
HST
Units
Notes
Vdc
at 25 ± 5°C
1
2
1
1
1
°C
°C
°C
%RH
%RH
Note: 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39°C Max, and no condensation of water.
2. The surface temperature caused by self heat radiation of cell itself is specified on this item.
Alpha Point Ltd.
Vernissakatu 8A
01300 Vantaa, Finland
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Fax: +358-9-34 64 34 2
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
The LP104S5-A2VT requires two power inputs. One is employed to power the LCD electronics and to
drive the TFT array and liquid crystal. The second input which powers the CCFL, is typically generated by
an inverter. The inverter is an external unit to the LCD.
Table 2 ELECTRICAL CHARACTERISTICS:
Parameter
Symbol
Values
Min.
Typ.
Max.
Module
3.6
3.3
3.0
VCC
Power Supply Input Voltage
360
290
ICC
Power Supply Input Current
1.2
0.96
Pc
Power Consumption
1.5
1.0
IRUSH
Rush Current
Lamp
475(7mA) 500(6mA) 640(3mA)
VBL
Operating Voltage
IBL
Operating Current
3.0
6.0
7
845
Established Starting Voltage at 25°C
1015
0°C
3
Ts
Discharge Stabilization Time
80
fBL
45
60
Operating Frequency
3.3
PBL
3.0
Power Consumption
20,000
Life Time
Units
Notes
Vdc
A
W
A
1
1
3
4
VRMS
mA
5
VRMS
5
VRMS
7
min
6
kHz
8
Watts
9
Hours
Notes: The design of the inverter must have specifications for the lamp in LCD Assembly.
The performance of the Lamp in LCM,for example life time or brightness,is extremely influenced by
the
characteristics of the DC-AC Inverter.So all the parameters of an inverter should be carefully
designed
so as not to produce too much leakage current from high-voltage output of the inverter.
When you design or order the inverter,please make sure unwanted lighting caused by the mismatch
of
the lamp and the inverter(no lighting,flicker,etc) never occurs.When you confirm it,the LCD Assembly
should be operated in the same condition as installed in your instrument.
1. The specified current and power consumption are under the Vcc = 3.3V , 25°C, fv = 60Hz
condition
whereas mosaic pattern is displayed.
2. The duration of rush current is about 20ms.
3. The variance of the voltage is ±10%.
4. The voltage above Vs should be applied to the lamps for more than 1second for start-up.
Otherwise,the lamps may not be turned on.
5. The output of the inverter must have symmetrical(negative and positive) voltage waveform and
symmetrical current waveform.(Unsymmetrical ratio is less than 10%)
Please do not use the inverter which has unsymmetrical voltage and unsymmetrical current and
spike wave. Lamp frequency may produce interference with horizontal synchronous frequency
and
as a result this may cause beat on the display.
Therefore lamp frequency shall be as away as possible from the horizontal synchronous
frequency
and from its harmonics in order to prevent interference.
6. Let’s define the brightness of the lamp after being lighted for 5 minutes as 100%.
Ts is the time required for the brightness of the center of the lamp to be not less than 95%.
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
7. The lamp power consumption shown above does not include loss of external inverter.
8. The life time is determined as the time at which brightness of lamp is 50% compared to that of
initial
value at the typical lamp current on condition of continuous operating at 25 ±2°C.
Alpha Point Ltd.
Vernissakatu 8A
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
3-2. Interface Connections
This LCD employs interface connection, a 30 pin connector is used for the module electronics and a two
pin connector is used for the backlight system.
The electronic interface connector is a FI-XB30S-HF10, manufactred by JAE.
The pin configuration for the connector is shown in the table below.
Table 3 MODULE CONNECTOR PIN CONFIGURATION (LVDS)
Pin
Symbol
Description
Notes
1
Vcc
Power (3.3V)
1. Connector
2
Vcc
Power (3.3V)
1.1 LCD: FI-XB30S-HF10 or equivalent
3
GND
Ground
1.2 Mating:FI-30M (FPC Type)
4
DTMG
Data Enable
FI-X30H (Cable Type)
5
VSYNC
Vertical sync
1.3 Connector pin arrangement
6
HSYNC
Horizontal sync
7
GND
Ground
8
DCLK
Data Clock
30
1
9
GND
Ground
10
R5
Red data (MSB)
11
R4
Red data
12
R3
Red data
13
R2
Red data
[ LCD Module Rear View ]
14
R1
Red data
15
R0
Red data (LSB)
16
GND
Ground
17
G5
Green data(MSB)
18
G4
Green data
19
G3
Green data
20
G2
Green data
21
G1
Green data
22
G0
Green data(LSB)
23
GND
Ground
24
B5
Blue data (MSB)
25
B4
Blue data
26
B3
Blue data
27
B2
Blue data
28
B1
Blue data
29
B0
Blue data (LSB)
30
GND
Ground
The backlight interface connector is a model BHSR-02VS-1, manufactured by JST.
connector part number is SM02B-BHSS-1 or equivalent.
The mating
The pin configuration for the connector is
shown in the table below.
Table 4
Pin
1
2
Notes:
BACKLIGHT CONNECTOR PIN CONFIGURATION
Symbol
Description
Power supply for lamp
HV
(High voltage side)
Power supply for lamp
LV
(Low voltage side)
Notes
1
1
1. The high voltage side terminal is colored pink. The low voltage side terminal is black
Alpha Point Ltd.
Vernissakatu 8A
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
3 - 3 . Signal
Sign al Timing Specifications
All of the interface signal timing should be satisfied with the following specifications for it’s proper
operation.
Table 6 Timing Table
ITEM
SYMBOL
MIN.
TYP.
MAX.
UNIT
NOTE
TYP. 38.5MHz
Dclk
Period
tCLK
25
26
27
ns
Hsync
Period
tHP
990
1024
1100
tCLK
Width-Active
tWH
12
-
120
Period
tVP
604
625
730
tHP
Frequency
fV
-
60
-
Hz
Width-Active
tWV
1
-
24
tHP
DE
H-Back Porch
tHBP
30
-
-
tCLK
(Data
H-Front Porch
tHFP
30
-
-
Enable)
V-Back Porch
tVBP
0
-
-
V-Front Porch
tVFP
3
-
-
Vsync
Alpha Point Ltd.
Vernissakatu 8A
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tHP
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
3-4. Signal Timing Waveforms
Hsync, Vsync, DE, DATA
0.7Vcc
0.3Vcc
0.5V CC
DCL
VALID
INVALID
INVALID
DAT
DE(Data Enable)
t HP
H s ync t WH
t HF
t HBP
D E(Data
t VP
t WV
Vsync
t VBP
t VFP
DE(Data Enable)
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
3-5. Color Input Data Reference
The brightness of each primary color(red, green and blue) is based on the 6-bit gray scale data input for
the color; the higher the binary input, the brighter the color. The table below provides a reference for
color versus data input.
Color
MSB
Table 7 COLOR DATA REFERENCE
Input Color Data
Red
Green
LSB MSB
LSB MSB
Blue
LSB
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Black
1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0
Red(63)
0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0
Green(63)
Basic Blue(63)
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1
Colors Cyan
1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1
Magenta
1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0
Yellow
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
White
Red(00) Dark
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Red(01)
0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0
Red(02)
0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0
Red
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
Red(61)
1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0
Red(62)
1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
Red(63) Bright
1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Green(00)Dark
0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0
Green(01)
0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0
Green(02)
Green
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
0 0 0 0 0 0 1 1 1 1 0 1 0 0 0 0 0 0
Green(61)
0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0
Green(62)
Green(63)Bright 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0
Blue(00) Dark
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Blue(01)
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
Blue(02)
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
Blue
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
Blue(61)
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 1
Blue(62)
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0
Blue(63) Bright
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
3-6. Power Sequence
90%
Power Supply For LCD
VCC
90%
10%
10%
0V
T2
T5
T1
Interface Signal,
Vi
(LVDS Signal of Transmitter)
Data
Power for Lamp
0
200
200
0
400
T1
T2
T3
T4
T5
T6
T7
T3
Values
Typ.
-
T4
LAMP ON
OFF
Min.
T7
Valid
0V
Parameter
T6
OFF
Units
Max.
10
50
50
10
-
ms
Notes: 1. Please avoid floating state of interface signal at invalid period.
2. When the interface signal is invalid, be sure to pull down the power supply for LCD VCC to 0V.
3. Lamp power must be turn on after power supply for LCD and interface signal are valid.
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
4. Optical Specifications
Optical characteristics are determined after the unit has been ‘ON’ and stable for approximately 30
minutes in a dark environment at 25°C. The values specified are at an approximate distance 50cm from
the LCD surface at a viewing angle of Φ and θ equal to 0°C.
FIG 1. presents additional information concerning the measurement equipment and method.
FIG. 1 Optical Characteristic Measurement Equipment and Method
Optical Stage(x,y)
LCD Module
Field = 1°
Prichard 880 or
equivalent
500mm
Table 8
mA)
( Ta=25°C, Vcc=3.3V, f V =60Hz, Dclk=38.5MHz, IBL= 6
OPTICAL CHARACTERISTICS
Parameter
Symbol
Contrast Ratio
Surface Luminance, white
Luminance Variation
Response Time
Rise Time
Decay Time
CIE Color Coordinates
Red
Green
Blue
White
Viewing Angle
x axis, right (Φ=0º)
x axis, left(Φ=180º)
y axis, up(Φ=90º)
y axis, down (Φ=270º)
Gray Scale
Min.
Values
Typ.
Max.
150
-
200
170
1.35
-
xR
yR
xG
yG
xB
yB
xW
yW
θr
θl
θu
θd
CR
L WH
δ WHITE
Tr
TrR
TrD
Units
Notes
1.45
cd/m2
1
2
3
30
30
50
50
ms
4
0.283
0.299
TBD
TBD
TBD
TBD
TBD
TBD
0.313
0.329
0.343
0.359
40
40
10
30
-
-
degree
5
-
-
-
6
Notes:
1. Contrast Ratio (CR) is defined mathematically as :
Surface Luminance with all white pixels
Contrast Ratio =
Surface Luminance with all black pixels
2. Surface luminance is the center point across the LCD surface 50cm from the surface with all
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
pixels displaying white. For more information see FIG 1.
3. The variation in surface luminance, δ WHITE is determined by measuring LON at each test
position 1 through 5, and then dividing the maximum L ON of 5 points luminance by minimum
L ON of 5 points luminance. For more information see FIG 2.
δ WHITE
Maximum (LON1, L ON2, ....L ON5) ÷ Minimum (LON1, LON2, ....LON5)
4. Response time is the time required for the display to transition from white to black (Rise Time,
TrR) and from black to white (Decay Time, TrD). For additional information see FIG 3.
5. Viewing angle is the angle at which the contrast ratio is greater than 10. The angles are
determined for the horizontal or x axis and the vertical or y axis with respect to the z axis which
is normal to the LCD surface. For more information see FIG 4.
6.Gray scale specification.
* Gamma Value = 2.2
Gray Level
Luminance(%) (Typ.)
L0
TBD
L7
TBD
L15
TBD
L23
TBD
L31
TBD
L39
TBD
L47
TBD
L55
TBD
L63
100
FIG. 2 Luminance
<measuring point for luminance variation>
200
400
600
400
2
1
1 50
300
300
3
4
<measuring point for surface luminance >
5
450
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LP104S5LP104S5- A2VT
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Product Specification
FIG. 3 Response Time
The response time is defined as the following figure and shall be measured by
switching the input signal for ‘black’ and ‘white’.
TrD
TrR
%
100
90
Opt i c a l
Res p o n s e
10
0
whi t e
whi t e
bl ack
FIG. 4 Viewing angle
<Definition of viewing angle range>
φ = 90
(12:00)
θ= 0
yu
z
A
θ
φ
xl
φ =180
φ= 0
(9:00)
(3:00)
TFT LCD
MODULE
z'
yd
xr
φ =270
(6:00)
A: Eye o
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
5. Mechanical Characteristics
The contents provide general mechanical characteristics for the model LP104S5-B2AP LCD. In addition,
the figures in the next page are detailed mechanical drawings of the LCD.
Outside dimensions :
Horizontal
224.5 ± 0.5 mm
Vertical
172.0 ± 0.5 mm
Depth
5.7 ± 0.3 mm
Horizontal
214.2 ± 0.5 mm
Vertical
161.8 ± 0.5 mm
Bezel area :
Active Display area :
Horizontal
211.2 mm
Vertical
158.4 mm
Weight (approximate) :
310g (Typ.), 320g(Max.)
Surface Treatment : Hard coating (3H)
Anti-glare treatment of the front polarizer
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
< FRONT VIEW >
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
< REAR VIEW >
<DETAIL DESCRIPTION OF SIDE MOUNTING SCREW>
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
`
TOP
CASE
(SUS
Panel
Supporter
Main
4 -M2
Bottom
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Product Specification
6. Reliability
-
Environment test condition
No.
Test Item
Conditions
1
High temperature storage test
Ta = 60°C 240h
2
Low temperature storage test
Ta = -20°C 240h
3
High temperature operation test Ta = 50°C 50%RH 240h
4
Low temperature operation test Ta = 0°C 240h
5
Vibration test
(non-operating)
6
Sine wave, 10~500~10Hz, 1.5G, 0.37oct/min,
3 axis, 1 hour/axis
Shock test
Half sine wave, 180G, 2ms,
(non-operating)
one shock of each six faces (i.e. run 180G 2ms for
all six faces.)
7
Altitude
operating
0 - 10,000 feet (3048m)
storage/shipment
0 - 40,000 feet (12192m)
{Result Evaluation Criteria}
There should be no change which might affect the practical display function when the display quality
test is conducted under normal operating condition.
Alpha Point Ltd.
Vernissakatu 8A
01300 Vantaa, Finland
Tel.: +358-9-34 64 34 1
Fax: +358-9-34 64 34 2
http://www.alpha.fi
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Product Specification
7. International Standards
7-1. Safety
a) UL 1950 Third Edition, Underwriters Laboratories, Inc. Jan. 28, 1995.
Standard for Safety of Information Technology Equipment Including Electrical Business
Equipment.
b) CAN/CSA C22.2 No. 950-95 Third Edition, Canadian Standards Association, Jan. 28, 1995.
Standard for Safety of Information Technology Equipment Including Electrical Business
Equipment.
c) EN 60950 : 1992 + A1 : 1993 + A2 : 1993 + A3 : 1995 + A4 : 1997 + A11 : 1997
IEC 950 : 1991 + A1 : 1992 + A2 : 1993 + A3 : 1995 + A4 : 1996
European Committee for Electrotechnical Standardization (CENELEC)
EUROPEAN STANDARD for Safety of Information Technology Equipment Including Electrical
Business Equipment.
7-2. EMC
a) ANSI C63.4 ‘Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical
and Electronic Equipment in the Range of 9kHz to 40GHz.’ American National Standards
Institute(ANSI),1992.
b) C.I.S.P.R ‘Limits and Methods of Measurement of Radio Interference Characteristics of
Information Technology Equipment.’ International Special Committee on Radio Interference
c) EN 55022 ‘Limits and Methods of Measurement of Radio Interference Characteristics of
Information Technology Equipment.’ European Committee for Electrotechnical
Standardization (CENELEC),1988
Alpha Point Ltd.
Vernissakatu 8A
01300 Vantaa, Finland
Tel.: +358-9-34 64 34 1
Fax: +358-9-34 64 34 2
http://www.alpha.fi
Ver 0.0
Oct.06. 2000
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Product Specification
8. Packing
8-1. Designation of Lot Mark
a) Lot Mark
A
B
C
D
E
F
G
H
I
J
K
L
M
A, B ,C : INCH CODE
D : YEAR
E : MONTH
F,G : PANEL CODE
H : ASSEMBLY CODE
I,J,K,L,M : SERIAL NO.
Note : 1. YEAR
YEAR
97
98
99
2000
2001
2002
2003
2004
2005
2006
2007
Mark
7
8
9
0
1
2
3
4
5
6
7
2. MONTH
MONTH
Jan.
Feb.
Mar.
Apr.
May.
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
Mark
1
2
3
4
5
6
7
8
9
A
B
C
b) Location of Lot Mark
Serial NO. Is printed on the label. The label is attached to the backside of the LCD module.
This is subject to change without prior notice.
8-2. Packing Form
a) Package quantity in one box : 10 pcs
b) Box Size : 371mm X 239mm X 300mm
Alpha Point Ltd.
Vernissakatu 8A
01300 Vantaa, Finland
Tel.: +358-9-34 64 34 1
Fax: +358-9-34 64 34 2
http://www.alpha.fi
Ver 0.0
Oct.06. 2000
Page 22/
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
9.PRECAUTIONS
Please pay attention to the followings when you use this TFT LCD module.
9.1 MOUNTING PRECAUTIONS
(1) You must mount a module using holes arranged in four corners or four sides.
(2) You should consider the mounting structure so that uneven force (ex. twisted stress) is not applied
to the module.
And the case on which a module is mounted should have sufficient strength so that external
force is not transmitted directly to the module.
(3) Please attach a transparent protective plate to the surface in order to protect the polarizer.
Transparent protective plate should have sufficient strength in order to resist external force.
(4) You should adopt radiation structure to satisfy the temperature specification.
(5) Acetic acid type and chlorine type materials for the cover case are not desirable because the former
generates corrosive gas of attacking the polalizer at high temperature and the latter causes circuit
break by electro-chemical reaction.
(6) Do not touch, push or rub the exposed polarizers with glass, tweezers or anything harder than HB
pencil lead. And please do not rub with dust clothes with chemical treatment.
Do not touch the surface of polarizer for bare hand or greasy cloth. (Some cosmetics are
detrimental to the polarizer.)
(7) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials
like chamois soaked with petroleum benzene. Normal-hexane is recommended for cleaning the
adhesives used to attach front / rear polarizers. Do not use acetone, toluene and alcohol because
they cause chemical damage to the polarizer.
(8) Wipe off saliva or water drops as soon as possible. Their long time contact with polarizer causes
deformations and color fading.
(9) Do not open the case because inside circuits do not have sufficient strength.
9.2 OPERATING PRECAUTIONS
(1) The spike noise causes the mis-operation of circuits. It should be lower than following voltage :
V = ± 200mV (Over and under shoot voltage).
(2) Response time depends on the temperature. (In lower temperature, it becomes longer.)
(3) Brightness depends on the temperature. (In lower temperature, it becomes lower.)
And in lower temperature, response time (required time that brightness is stable after turned on )
becomes longer.
(4) Be careful for condensation at sudden temperature change. Condensation makes damage to
polarizer or electrical contacted parts. And after fading condensation, smear or spot will occur.
(5) When fixed patterns are displayed for a long time, remnant image is likely to occur.
(6) Module has high frequency circuits. Sufficient suppression to the electromagnetic interference
shall be done by system manufacturers. Grounding and shielding methods may be important to
minimize the interference.
Alpha Point Ltd.
Vernissakatu 8A
01300 Vantaa, Finland
Tel.: +358-9-34 64 34 1
Fax: +358-9-34 64 34 2
http://www.alpha.fi
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Oct.06. 2000
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LP104S5LP104S5- A2VT
Liquid Crystal Display
Product Specification
9.3 ELECTROSTATIC DISCHARGE CONTROL
Since a module is composed of electronic circuits, it is not strong to electrostatic discharge. Make certain
that treatment persons are connected to ground through wrist band etc . And don’t touch interface pin
directly.
9.4 PRECAUTIONS FOR STRONG LIGHT EXPOSURE
Strong light exposure causes degradation of polarizer and color filter.
9.5 STORAGE
When storing modules as spares for a long time, the following precautions are necessary.
(1) Store them in a dark place. Do not expose the module to sunlight or fluorescent light. Keep the
temperature between 5°C and 35°C at normal humidity.
(2) The polarizer surface should not come in contact with any other object.
It is recommended that they be stored in the container in which they were shipped.
9.6 HANDLING PRECAUTIONS FOR PROTECTION FILM
(1) When the protection film is peeled off, static electricity is generated between the film and polarizer.
This should be peeled off slowly and carefully by people who are electrically grounded and with well
ion- blown equipment or in such a condition, etc.
(2) The protection film is attached to the polarizer with a small amount of glue. If some stress is applied
to rub the protection film against the polarizer during the time you peel off the film, the glue is apt to
remain on the polarizer.
Please carefully peel off the protection film without rubbing it against the polarizer.
(3) When the module with protection film attached is stored for a long time, sometimes there remains a
very small amount of glue still on the polarizer after the protection film is peeled off.
(4) You can remove the glue easily. When the glue remains on the polarizer surface or its vestige is
recognized, please wipe them off with absorbent cotton waste or other soft material like chamois
soaked with normal-hexane.
Alpha Point Ltd.
Vernissakatu 8A
01300 Vantaa, Finland
Tel.: +358-9-34 64 34 1
Fax: +358-9-34 64 34 2
http://www.alpha.fi
Ver 0.0
Oct.06. 2000
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