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1. General Description
The LP156WH4 is a Color Active Matrix Liquid Crystal Display with an integral LED 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 15.6 inches diagonally measured active display area with HD
resolution (1366 horizontal by 768 vertical pixel array). Each pixel is divided into Red, Green and Blue subpixels 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 LP156WH4 has been designed to apply the interface method that enables low power, high
speed, low EMI. The LP156WH4 is intended to support applications where thin thickness, low power are
critical factors and graphic displays are important. In combination with the vertical arrangement of the subpixels, the LP156WH4 characteristics provide an excellent flat display for office automation products such
as Notebook PC.
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LP156WH4
Liquid Crystal Display
Product Specification
1
TFT-LCD Panel
(FHD, GIP, TN)
768
Source Driver
(Bottom Bent)
LED Backlight Ass’y
EDID signal & Power
User connector
40
Pin
EEPROM Block
for EDID
LVDS
1port
VCC
VLED
LED_EN
PWM
Timing Control
Block
DVCC
Power
Block
LED Driver
Block
CLKs
VGH, VGL, GMA
Control & DataPower
AVCC, AVDD
GIP CLKs, DSC
VOUT_LED
FB1~4
General Features
Active Screen Size15.6 inches diagonal
Outline Dimension
Pixel Pitch
Pixel Format1366 horiz. By 768 vert. Pixels RGB strip arrangement
Display Operating ModeTransmissive mode, normally white
Surface TreatmentGlare treatment (3H) of the front Polarizer
RoHS ComplyYes
BFR / PVC / As Free Yes for all
359.3(H, typ) Ý 209.5(V, typ) Ý 5.5(D,max) [mm]
0.252mm Ý 0.252 mm
2
(Typ.5 point @ PWM Duty = 100%)
1366
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к
2. Absolute Maximum Ratings
The following are maximum values which, if exceeded, may cause faulty operation or damage to the unit.
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LP156WH4
Liquid Crystal Display
Product Specification
Table 1. ABSOLUTE MAXIMUM RATINGS
ParameterSymbol
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
VCC-0.34.0Vdc
TOP050
HST-2060
HOP1090%RH1
HST1090%RH1
Values
UnitsNotes
MinMax
qC
qC
Note : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39
Wet Bulb
20
]
30
Temperature [
10
0
qC Max, and no condensation of water.
90% 80%
60
50
40
60%
Humidity[(%)RH]
40%
20%
10%
Storage
Operation
at 25 r 5qC
1
1
-20
10
20304050
6070800
Dry Bulb Temperature [к]
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3. Electrical Specifications
3-1. Electrical Characteristics
The LP156WH4 requires two power inputs. The first logic is employed to power the LCD electronics and to
drive the TFT array and liquid crystal. The second backlight is the input about LED BL.with LED Driver.
ParameterSymbol
LOGIC :
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LP156WH4
Liquid Crystal Display
Product Specification
Table 2. ELECTRICAL CHARACTERISTICS
Values
UnitNotes
MinTypMax
Power Supply Input VoltageV
Power Supply Input CurrentMosaicI
Power ConsumptionP
Power Supply Inrush CurrentI
LVDS ImpedanceZ
CC3.03.33.6V1
CC-275320mA2
CC-0.91.1W2
CC_P--1500mA3
LVDS90100110ȍ4
BACKLIGHT : ( with LED Driver)
LED Power Input VoltageV
LED Power Input CurrentI
LED Power ConsumptionP
LED Power Inrush CurrentI
LED7.012.021.0V5
LED-275290mA6
LED-3.33.5W6
LED_P--1500mA7
PWM Duty Ratio5-100%8
PWM Jitter
PWM ImpedanceZ
PWM FrequencyF
-
PWM204060Nȍ
PWM200-1000Hz10
0-0.2%9
PWM High Level VoltageV
PWM Low Level VoltageV
LED_EN ImpedanceZ
LED_EN High VoltageV
LED_EN Low VoltageV
LED_EN_H3.0-5.3V
LED_EN_L0-0.3V
PWM_H
PWM_L
PWM204060Nȍ
3.0-5.3V
0-0.3V
Life Time15,000--Hrs11
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Note)
1. The measuring position is the connector of LCM and the test conditions are under 25к, fv = 60Hz,
Black pattern.
2. The specified Icc current and power consumption are under
the Vcc = 3.3V , 25к, fv = 60Hz condition and Mosaic pattern.
3. This Spec. is the max load condition for the cable impedance designing.
4. The below figures are the measuring Vcc condition and the Vcc control block LGD used.
The Vcc condition is same as the minimum of T1 at Power on sequence.
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LP156WH4
Liquid Crystal Display
Product Specification
Rising time
Vcc
0V
5. This impedance value is needed for proper display and measured form LVDS Tx to the mating connector.
6. The measuring position is the connector of LCM and the test conditions are under 25к.
7. The current and power consumption with LED Driver are under the Vled = 12.0V , 25к, Dimming of
Max luminance and W hite pattern with the normal frame frequency operated(60Hz).
8. The below figures are the measuring Vled condition
and the Vled control block LGD used.
VLED control block is same with Vcc control block.
90%
10%
0.5ms
3.3V
Rising time
V
LED
0V
10%
12.0V
90%
0.5ms
9. The operation of LED Driver below minimum dimming ratio may cause flickering or reliability issue.
10. If Jitter of PWM is bigger than maximum, it may induce flickering.
11. This Spec. is not effective at 100% dimming ratio as an exception because it has DC level equivalent
to 0Hz. In spite of acceptable range as defined, the PWM Frequency should be fixed and stable for
more consistent brightness control at any specific level desired.
12. The life time is determined as the time at which brightness of LCD is 50% compare to that of minimum
value specified in table 7. under general user conditionU
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3-2. Interface Connections
This LCD employs two interface connections, a 40 pin connector used for the module electronics interface and
the other connector used for the integral backlight system.
Table 3. MODULE CONNECTOR PIN CONFIGURATION (CN1)
PinSymbolDescriptionNotes
1NCN o Connec ti on.
2VCCLCD Logic and driver power (3.3V Typ.)
3VCCLCD Logic and driver power (3.3V Typ.)
4V EEDIDDDC Power (3.3V)
5NCN o Connec ti on.
6Clk EEDIDDDC Clock
7DATA EEDIDDDC Data
8ORX0-Negative LVDS differential data input
9ORX0+Positive LVDS differential data input
10GNDLCM Ground
11ORX1-Negative LVDS differential data input
12ORX1+Positive LVDS differential data input
13GNDLCM Ground
14ORX2-Negative LVDS differential data input
15ORX2+Positive LVDS differential data input
16GNDLCM Ground
17ORXC-Negative LVDS differential clock input
18ORXC+Positive LVDS differential clock input
19GNDLCM Ground
20NCNo Connection
21NCNo Connection
19GNDLCM Ground
23NCNo Connection
24NCNo Connection
19GNDLCM Ground
26NCNo Connection
27NCNo Connection
19GNDLCM Ground
29NCNo Connection
30NCNo Connection
31
32
33
34NCNo Connection.
35
36
37
38
39
40
GNDLCM Ground (LED Backlight Ground)
GNDLCM Ground (LED Backlight Ground)
GNDLCM Ground (LED Backlight Ground)
PWMSystem PWM Signal input for dimming
LED_EN
NC
VLEDLED Backlight Power (7V-21V)
VLEDLED Backlight Power (7V-21V)
VLEDLED Backlight Power (7V-21V)
LED Backlight On/Off
No Connection
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Product Specification
LP156WH4
Liquid Crystal Display
[Interface Chip]
1. LCD :
SiW, SW 0617(LCD Controller)
Including LVDS Receiver.
2. System : SiW LVDSRx or equivalent
* Pin to Pin compatible with LVDS
[Connector]
UJU IS050-L40B-C10
LSMtron GT05Q-40S-H10 or equivalent
[Mating Connector]
20345-#40E-## series or equivalent
[Connector pin arrangement]
[W
[LCD Module Rear View]
X
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3-3. LVDS Signal Timing Specifications
3-3-1. DC Specification
LVDS -
LVDS +
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LP156WH4
Liquid Crystal Display
Product Specification
|VID|
# |VID| = |(LVDS+) ˀ (LVDS-)|
= {(LVDS+) + (LVDS-)}/2
# V
0V
CM
Description
LVDS Differential Voltage|V
LVDS Common mode VoltageV
LVDS Input Voltage RangeV
3-3-2. AC Specification
LVDS Clock
LVDS Data
t
SKEW
V
CM
Symb
ol
|100600mV-
ID
CM
IN
t
= 1/T
SKEW(Fclk
1) 85MHz > Fclk ˻ 65MHz : -400 ~ +400
2) 65MHz > Fclk ˻ 25MHz : -600 ~ +600
MinMaxUnitNotes
0.61.8V-
0.32.1V-
T
clk
)
clk
V
IN_MAXVIN_MIN
DescriptionSymbolMinMaxUnitNotes
t
SKEW
- 400+ 400ps
85MHz > Fclk
65MHz
LVDS Clock to Data Skew Margin
t
SKEW
LVDS Clock to Clock Skew Margin (Even
to Odd)
Maximum deviation
of input clock frequency during SSC
Maximum modulation frequency
of input clock during SSC
t
SKEW_EO
F
DEV
F
MOD
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- 600+ 600ps
-1/7+ 1/7T
clk
-· 3%-
-200KHz-
65MHz > Fclk
25MHz
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t
SKEW_EO
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LP156WH4
Liquid Crystal Display
Product Specification
LVDS Odd Clock
LVDS Even Clock
LVDS Even Data
Freq.
F
max
F
center
F
min
T
clk
T
clk
< Clock skew margin between channel >
X
m
tvk
< Spread Spectrum >
m
QGm
Time
kl}
3-3-3. Data Format
1) LVDS 1 Port
RCLK+
RA+/-
RB+/-
RC+/-
RD+/-
R3R2
G4G3
B5B4
G7G6
Previous (N-1 )th Cycl eNext (N+1 )th Cycle
R1R0
G2G1
B3B2
R7R6
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G0R5R4R3R2R1R0
B1B0G5G4G3G2G1
DE VSYNC HSYNCB5B4B3B2
XB7B6G7G6R7R6
< LVDS Data Format >
Current ( Nth ) Cycle
G0
B1
DE
VSYNC HSYNC
X
R5R4
B0G5
B7B6
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3-4. Signal Timing Specifications
This is the signal timing required at the input of the User connector. All of the interface signal timing should be
satisfied with the following specifications and specifications of LVDS Tx/Rx for its proper operation.
ITEMSymbolMinTypMaxUnitNote
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LP156WH4
Liquid Crystal Display
Product Specification
Table 4. TIMING TABLE
DCLKFrequencyf
Period
Hsync
Widtht
Width-Activet
Periodt
Vsync
Width-Activet
Horizontal back porcht
Data
Enable
Horizontal front porcht
Vertical back porcht
Vertical front porcht
3-5. Signal Timing Waveforms
Data Enable, Hsync, Vsync
DCLK
tCLK
0.5 Vcc
CLK
t
HP
WH
WHA
VP
WV
WVA
HBP
HFP
VBP
VFP
High: 0.7VCC
Low: 0.3VCC
-70.0-MHz
146214921536
324862
136613661366
776782792
25 8
768768768
344260
323640
4612
23 4
Condition : VCC =3.3V
tCLK
tHPWidtht
tCLK
tHP
t
Hsync
t
WH
t
HBP
HP
tWHA
t
HFP
Data Enable
t
VP
t
WV
Vsync
t
VBP
tWVA
t
VFP
Data Enable
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3-6. 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.
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3-7. Power Sequence
Power Supply Input
VCC
0V
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Product Specification
90%
LP156WH4
Liquid Crystal Display
90%
10%10%
Interface Signal, V
i
LVDS
LED BL
On/Off Control Signal
LED_EN
LED BL
Dimming Control Signal
PWM
LED Driver Input Voltage
VLED
Logic
Parameter
T
1
T
2
T
3
T
4
T
5
T
6
T
7
Min.Typ.Max.
0.5-10ms
0-50ms
0-50ms
400--ms
200--ms
200--ms
3-10ms
Value
T
T
1
2
Valid Data
0V
T
5
3.0V
3.0V
0V (Off)
T
9
Valid Data
0V (Low)
T
8
90%
0V
10%
T
12
Table 6. POWER SEQUENCE TABLE
Units
LED
Parameter
T
8
T
9
T
10
T
11
T
12
T
13
T
T
3
7
T
6
T
10
T
11
90%
T
10%
13
T
4
Value
Units
Min.Typ.Max.
10--ms
0--ms
0--ms
10--ms
0.5--ms
0-5000ms
Note)
1. Do not insert the mating cable when system turn on.
2. Valid Data have to meet “3-3. LVDS Signal Timing Specifications”
3. LVDS, LED_EN and PWM need to be on pull-down condition on invalid status.
4. LGD recommend the rising sequence of VLED after the Vcc and valid status of LVDS turn on.
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4. Optical Specification
Optical characteristics are determined after the unit has been ‘ON’ and stable for approximately 30 minutes in
a dark environment at 25
at a viewing angle of
FIG. 1 presents additional information concerning the measurement equipment and method.
qC. The values specified are at an approximate distance 50cm from the LCD surface
) and 4 equal to 0q.
FIG. 1 Optical Characteristic Measurement Equipment and Method
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LP156WH4
Liquid Crystal Display
Product Specification
Optical Stage(x,y)
LCD Module
Pritchard 880 or
equivalent
50cm
Table 9. OPTICAL CHARACTERISTICS
Table 7. OPTICAL CHARACTERISTICS
ParameterSymbol
Contrast RatioCR400--1
Surface Luminance, whiteL
Luminance Variation
Response Time
Color Coordinates
REDRX0.5930.6230.653
GREENGX0.3160.3460.376
BLUEBX0.1180.1480.178
WHITEWX0.2830.3130.343
Viewing Angle5
x axis, right()=0q)4r
x axis, left ()=180q)4l
y axis, up ()=90q)4u
y axis, down ()=270q)4d
Gray Scale6
WH
G
WHITE
TrR+ Tr
RY0.3390.3690.399
GY0.5800.6100.640
BY0.0680.0980.128
WY0.2990.3290.359
MinTypMax
185220-cd/m
-1.41.63
D
-16-ms 4
40--degree
40--degree
10--degree
30--degree
Values
Ta=25qC, Vcc=3.3V, fV=60Hz, f
UnitsNotes
2
CLK
= 70.0MHz
2
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Note)
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 average of 5 point across the LCD surface 50cm from the surface with
all pixels displaying white. For more information see FIG 1.
L
= Average(L1,L2, … L5)
WH
3. The variation in surface luminance , The panel total variation (
at each test position 1 through 13 and then defined as followed numerical formula.
For more information see FIG 2.
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Product Specification
Liquid Crystal Display
G
) is determined by measuring L
WHITE
LP156WH4
N
Maximum(L
G
WHITE
=
Minimum(L
4. Response time is the time required for the display to transition from white to black (rise time, Tr
from black to white(Decay Time, Tr
). For additional information see FIG 3.
D
1,L2
1,L2
, … L13)
, … L13)
) and
R
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 * f
= 60Hz
V
Gray LevelLuminance [%] (Typ)
L00.2
L71.2
L154.8
L2310.9
L3121.0
L3934.8
L4752.5
L5574.2
L63100
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FIG. 2 Luminance
<Measuring point for Av erage Luminance & measuring point for Luminance variation>
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LP156WH4
Liquid Crystal Display
Product Specification
H
10mm
B
V
FIG. 3 Response Time
678
910
1112
A
10mm
2
1
4
3
5
13
Active Area
: ACTIVE AREA
H,V
: H/4 mm
A
: V/4 mm
B
POINTS: 13 POINTS
The response time is defined as the following figure and shall be measured by switching the input signal
for “black” and “white”.
Tr
Tr
R
D
%
100
90
Optical
Response
10
0
white
white
black
FIG. 4 Viewing angle
I
= 180
q
<Dimension of viewing angle range>
,
Left
Normal
Eye
Y
I
= 90q, Up
T
I
q
,
Right
I
= 270
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q
Down
,
I
= 0
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5. Mechanical Characteristics
The contents provide general mechanical characteristics for the model LP156WH4. In addition the figures
in the next page are detailed mechanical drawing of the LCD.
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LP156WH4
Liquid Crystal Display
Product Specification
Horizontal
Outline Dimension
Bezel Area
Active Display Area
Weight450g (Max.)
Surface TreatmentGlare treatment(3H) of the front polarizer
Vertical
Thickness5.5mm (max)
Horizontal
Vertical
Horizontal344.232 mm
Vertical193.536 mm
359.3 r 0.5mm
209.5 r 0.5mm
350.0 r 0.5mm
197.1 r 0.5mm
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LP156WH4
Liquid Crystal Display
Product Specification
<FRONT VIEW>
Note) Unit:[mm], General tolerance:
r 0.5mm
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Unit:[mm],Generaltoleranc
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LP156WH4
Liquid Crystal Display
Product Specification
<REAR VIEW>
Note) Unit:[mm], General tolerance:
r 0.5mm
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Notes : 1. Screw plated through the method of non-electrolytic nickel plating is preferred
to reduce possibility that results in vertical and/or horizontal line defect due to
the conductive particles from screw surface.
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LGD Proposal for system cover design.(Appendix)
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LP156WH4
Liquid Crystal Display
Product Specification
1
Gap check for securing the enough gap between LCM
and System cover.
Max Thickness
Sponge
LCM Reflector Side
System Cover
A Boundary Line
1.Rear side of LCM is sensitive against external stress,and previous check
about interference is highly needed.
Define
2.In case there is something from system cover comes into the boundary
above,mechanical interference may cause the FOS defects.
(Eg: Ripple, White spot..)
2Check if antenna cable is sufficiently apart from T-CON of LCD Module.
Define
NO GOOD
GOOD
1.If system antenna is overlapped with T-CON,it might be cause the noise.
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LGD Proposal for system cover design.
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LP156WH4
Liquid Crystal Display
Product Specification
3
Gap check for securing the enough gap between LCM
and System hinge.
Side Mount Screw Hole (4ea)
1.At least 2.0mm of gap needs to be secured to prevent the shock
Define
related defects.
Hinge
GAP:Min2.0mm
(“I” TYPE)
COF
(D-IC)
(“L” TYPE)
2.”L” type of hinge is recommended than “I” type under shock test.
4
Checking the path of the System wire.
#2
#3
BadGood
1.COF area needs to be handled with care.
2.GOOD ÎWire path design to system side.
Define
OKÎ Wire path is located between COFs.
BADÎWire path overlapped with COF area.
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#1
Ok
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LGD Proposal for system cover design.
5Using a bracket on the top of LCM is not recommended.
bracket
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LP156WH4
Liquid Crystal Display
Product Specification
1.Condition without bracket is good for mechanical noise,and can minimize
the light leakage from deformation of bracket.
Define
2.The results shows that there is no difference between the condition
with or without bracket.
6Securing additional gap on CNT area..
A
A~A-1
cut
1.CNT area is specially sensitive against external stress,and additional
System cover inner side.
User connector
area.
A-1
User connector
Cable pathway.
FPC:Flexible Printed Circuit.
Define
gap by cutting on system cover will be helpful on removing the Ripple.
2.Using a thinner CNT will be better. (eg: FPC type)
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6. Reliability
Environment test condition
No.Test ItemConditions
1High temperature storage testTa= 60qC, 240h
2Low temperature storage testTa= -20qC, 240h
3High temperature operation testTa= 50qC, 50%RH, 240h
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7. International Standards
7-1. Safety
a) UL 60950-1, Second Edition, Underwriters Laboratories Inc.
Information Technology Equipment - Safety - Part 1 : General Requirements.
b) CAN/CSA C22.2 No.60950-1-07, Second Edition, Canadian Standards Association.
Information Technology Equipment - Safety - Part 1 : General Requirements.
c) EN 60950-1:2006 + A11:2009, European Committee for Electrotechnical Standardization (CENELEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
d) IEC 60950-1:2005, Second Edition, The International Electrotechnical Commission (IEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
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LP156WH4
Liquid Crystal Display
Product Specification
7-2. EMC
a) ANSI C63.4 “American National Standard for Methods of Measurement of Radio-Noise
Emissions from Low-Voltage Electrical and Electronic Equipment in the Range of 9 kHz to 40 GHz.”
American National Standards Institute (ANSI), 2003.
b) CISPR 22 “Information technology equipment – Radio disturbance characteristics – Limit and
methods of measurement." International Special Committee on Radio Interference
(CISPR), 2005.
c) CISPR 13 “Sound and television broadcast receivers and associated equipment – Radio disturbance
characteristics – Limits and method of measurement." International Special Committee on Radio
Interference (CISPR), 2006.
7-3. Environment
a) RoHS, Directive 2002/95/EC of the European Parliament and of the council of 27 January 2003
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8. Packing
8-1. Designation of Lot Mark
a) Lot Mark
ABCDEFGHI JKLM
A,B,C : SIZE(INCH) D : YEAR
E : MONTH F ~ M : SERIAL NO.
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LP156WH4
Liquid Crystal Display
Product Specification
Note
1. YEAR
Year
Mark
2. MONTH
Month
Mark
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 : 22 pcs
b) Box Size : 450x370x278mm
2016G2017H2018J2019
F
Jun7Jul8Aug9Sep
6
CBA
2014E2015
D
Apr5May
4
201320122011
2020
K
Oct
A
Nov
B
DecMarFebJan
C321
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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 the surface transparent protective plate to the surface in order to protect the polarizer.
Transparent protective plate should have sufficient strength in order to the 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 polarizer 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 soaks 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.
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LP156WH4
Liquid Crystal Display
Product Specification
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 minimized the
interference.
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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
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LP156WH4
Liquid Crystal Display
Product Specification
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 5qC and 35qC 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.
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E
t
bl
gs
APPENDIX A. Enhanced Extended Display Identification Data (EEDIDTM) 1/3
Byte
(Dec)
Version
Vendor / Product EDID
Display
Parameters
Panel Color Coordinates
a
s
ished
Timin
Standard Timing IDHeader
Byte
(Hex)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
Header
00
Header
01
Header
02
Header
03
Header
04
Header
05
Header
06
Header
07
EISA manufacture code ( 3 Character ID ) LGD
08
EISA manufacture code (Compressed ASCซ)
09
Panel Supplier Reserved - Product Code 02DCh
0A
( Hex. LSB first )
0B
LCD Module Serial No - Preferred but Optional ("0" If not used)
0C
LCD Module Serial No - Preferred but Optional ("0" If not used)
0D
LCD Module Serial No - Preferred but Optional ("0" If not used)
0E
LCD Module Serial No - Preferred but Optional ("0" If not used)