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LP156WF4
Liquid Crystal Display
Product Specification
Contents
No ITEM
COVER
CONTENTS
RECORD OF REVISIONS
1
2
3
3-1
3-2
3-3
3-4
3-5
3-6
GENERAL DESCRIPTION
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL SPECIFICATIONS
ELECTRICAL CHARACTREISTICS
INTERFACE CONNECTIONS
eDP SIGNAL TIMING SPECIFICATION
SIGNAL TIMING SPECIFICATIONS
SIGNAL TIMING WAVEFORMS
COLOR INPUT DATA REFERNECE
Page
1
2
3
4
5
6-7
8
9
10
10
11
3-7
4
5
6 RELIABLITY
7 INTERNATIONAL STANDARDS
7-1 SAFETY
7-2 EMC
7-3 Environment
8 PACKING
8-1 DESIGNATION OF LOT MARK
8-2 PACKING FORM
9 PRECAUTIONS
POWER SEQUENCE
OPTICAL SFECIFICATIONS
MECHANICAL CHARACTERISTICS
A APPENDIX. Enhanced Extended Display Identification Data
12
13-15
16-18
19
20
20
20
21
21
22-23
24-26
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LP156WF4
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
Revision No Revision Date Page Description
1.0 Jul. 27. 2012 - Final Specification 1.0
EDID
ver
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LP156WF4
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. ABSOLUTE MAXIMUM RATINGS
Parameter Symbol
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
VCC -0.3 4.0 Vdc at 25 r 5qC
TOP 0 50 qC 1
HST -20 60 qC 1
HOP 10 90 %RH 1
HST 10 90 %RH 1
Values
Units Notes
Min Max
Note : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39qC Max, and no condensation of water.
Note : 2. Storage Condition is guaranteed under packing condition.
90% 80%
60
60%
Wet Bulb
Temperature [
0
-20
]
30
20
10
10
20 30 40 50
50
40
60 70 80 0
Dry Bulb Temperature [ɗ]
Ver. 1.0 Jul. 27, 2012
Humidity[(%)RH]
Storage
40%
Operation
20%
10%
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LP156WF4
Liquid Crystal Display
Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
The LP156WF4 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.
Table 2. ELECTRICAL CHARACTERISTICS
Values
Parameter Symbol
Min Typ Max
LOGIC :
Unit Notes
Power Supply Input Voltage V
Power Supply Input Current Mosaic I
Power Consumption P
Power Supply Inrush Current I
Differential Impedance Z
CC 3.0 3.3 3.6 V 1
CC - 510 585 mA 2
CC - 1.68 1.93 W 2
CC_P - - 1500 mA 3
m 90 100 110 4
BACKLIGHT : ( with LED Driver)
LED Power Input Voltage V
LED Power Input Current I
LED Power Consumption P
LED Power Inrush Current I
LED 7.0 12.0 21.0 V 5
LED - 470 520 mA 6
LED - 5.6 6.2 W 6
LED_P - - 1500 mA 7
PWM Duty Ratio 5 - 100 %
PWM Jitter
PWM Impedance Z
PWM Frequency F
-
PWM 20 40 60 k
PWM 200 - 1000 Hz 10
0 - 0.2 % 9
8
PWM High Level Voltage V
PWM Low Level Voltage V
PWM_H
PWM_L
3.0 - 5.3 V
0 - 0.3 V
LED_EN Impedance ZPWM 20 40 60 k
LED_EN High Voltage V
LED_EN Low Voltage V
LED_EN_H 3.0 - 5.3 V
LED_EN_L 0 - 0.3 V
Life Time 12,000 - - Hrs 11
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LP156WF4
Liquid Crystal Display
Product Specification
3-2. Interface Connections
This LCD employs two interface connections, a 30 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)
Pin Symbol Description Notes
1
NC
2
GND High Speed (Main Link) Ground
3
Lane1_N Complement Signal-Lane 1
4
Lane1_p True Signal-Main Lane 1
5
GND High Speed (Main Link) Ground
6
Lane0_N Complement Signal-Lane 0
7
Lane0_p True Signal-Main Lane 0
NO Connect
[Interface Chip]
1. LCD :
Analogix, ANX9858 (LCD Controller
Including eDP Receiver.
2. System : TBD or equivalent
* Pin to Pin compatible with eDP
[Connector]
CABLINE-VS RECE ASS’Y, I-PEX
or its compatibles
8
GND High Speed (Main Link) Ground
9
AUX_P True Signal-Auxiliary Channel
10
AUX_N Complement Signal-Auxiliary Channel
11
GND High Speed (Main Link) Ground
12
VCC
13
VCC
14
NC NO Connect
15
GND Ground
16
GND Ground
17
HPD HPD signal pin
18
GND LED Backlight Ground
19
GND LED Backlight Ground
20
GND LED Backlight Ground
21
GND LED Backlight Ground
22
LED_EN
23
PWM
LCD Logic and driver power (3.3V Typ.)
LCD Logic and driver power (3.3V Typ.)
LED Backlight On/Off
System PWM Signal input for dimming
[Mating Connector]
CABLINE-VS PLUG CABLE
ASS’Y or equivalent.
[Connector pin arrangement]
ZWG
[LCD Module Rear View]
XG
G
24
NC NO Connect
25
NC NO Connect
26
27
28
29
30
VLED
VLED
VLED
VLED
NC
LED Backlight Power (7.0V-21V)
LED Backlight Power (7.0V-21V)
LED Backlight Power (7.0V-21V)
LED Backlight Power (7.0V-21V)
NO Connect
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LP156WF4
Liquid Crystal Display
Product Specification
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.
Table 5. COLOR DATA REFERENCE
Input Color Data
Basic
Color
RED
Color
Black
Red
Green
Blue
Cyan
Magenta
Yellow
White
RED (00)
RED (01)
RED (62)
RED (63)
…
RED
MSB 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
1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0
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
1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1
1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0
1 1 1 1 1 1 1 1 1 1 1 1 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 1 0 0 0 0 0 0 0 0 0 0 0 0
…… …
1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0
MSB LSB
GREEN
BLUE
MSB LSB
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 1 0 0 0 0 0 0
…… …
0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0
0 0 0 0 0 0 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 0 0 0 0 0 0 0 0 0 0 0 1
…… …
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
GREEN
BLUE
GREEN (00)
GREEN (01)
...
GREEN (62)
GREEN (63)
BLUE (00)
BLUE (01)
…
BLUE (62)
BLUE (63)
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LP156WF4
Liquid Crystal Display
Product Specification
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.
LWH = Average(L1,L2, … L5)
3. The variation in surface luminance , The panel total variation (G WHITE) is determined by measuring LN
at each test position 1 through 13 and then defined as following numerical formula.
For more information see FIG 2.
G WHITE = Maximum(L1,L2, … L13) / Minimum(L1,L2, … L13)
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 * fV = 60Hz
Gray Level Luminance [%] (Typ)
L0 0.13
L7 0.70
L15 4.53
L23 10.8
L31 20.3
L39 33.0
L47 49.0
L55 73.0
L63 100.0
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LP156WF4
Liquid Crystal Display
Product Specification
5. Mechanical Characteristics
The contents provide general mechanical characteristics for the model LP156WF4. In addition the figures
in the next page are detailed mechanical drawing of the LCD.
Horizontal 359.5 r 0.5mm
Outline Dimension
Bezel Area
Active Display Area
Weight 330g ( Max.) / 320g ( Typ.)
Surface Treatment
Vertical 207.7 r 0.5mm
Thickness 3.4mm (max)
Horizontal 347.55 r 0.5mm
Vertical 196.9 r 0.5mm
Horizontal 344.16 r 0.3 mm
Vertical 193.59 r 0.3 mm
Anti-Glare treatment of the front polarizer
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Liquid Crystal Display
Product Specification
6. Reliability
Environment test condition
No. Test Item Conditions
1 High temperature storage test Ta= 60qC, 240h
2 Low temperature storage test Ta= -20qC, 240h
3 High temperature operation test Ta= 50qC, 50%RH, 240h
4 Low temperature operation test Ta= 0qC, 240h
5 Vibration test (non-operating) Sine wave, 5 ~ 150Hz, 1.5G, 0.37oct/min
3 axis, 30min/axis
LP156WF4
6 Shock test (non-operating) - No functional or cosmetic defects following a shock
to all 6 sides delivering at least 180 G in a half sine
pulse no longer than 2 ms to the display module
- No functional defects following a shock delivering
at least 200 g in a half sine pulse no longer than 2
ms to each of 6 sides. Each of the 6 sides will be
shock tested with one each display, for a total of 6
displays
7 Altitude operating
storage / shipment
{ 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.
0 ~ 10,000 feet (3,048m) 24Hr
0 ~ 40,000 feet (12,192m) 24Hr
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Liquid Crystal Display
Product Specification
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 Electro technical Standardization (CENELEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
d) IEC 60950-1:2005, Second Edition, The International Electro technical Commission (IEC).
Information Technology Equipment - Safety - Part 1 : General Requirements.
LP156WF4
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
A B C D E F G H I J K L M
A,B,C : SIZE(INCH) D : YEAR
E : MONTH F ~ M : SERIAL NO.
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LP156WF4
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 : 20 pcs
2016G2017H2018J2019
F
Jun
6
Jul 8Aug9Sep
7
CB A
2014E2015
D
Apr5May
4
201320122011
2020
K
Oct
A
Nov
B
Dec Mar FebJan
C3 2 1
b) Box Size : 478 x 365 x 328
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LP156WF4
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 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.
(10) When handling the LCD module, it needs to handle with care not to give mechanical stress to the PCB
and Mounting Hole area.”
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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LP156WF4
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 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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