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LP156WF4
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 CHARACTREISTICS 6-7
3-2 INTERFACE CONNECTIONS 8
3-3 eDP SIGNAL TIMING SPECIFICATION 9
3-4 SIGNAL TIMING SPECIFICATIONS 10
3-5 SIGNAL TIMING WAVEFORMS 10
3-6 COLOR INPUT DATA REFERNECE 11
3-7 POWER SEQUENCE 12
4 OPTICAL SFECIFICATIONS 13-15
5 MECHANICAL CHARACTERISTICS 16-18
6 RELIABLITY 19
7 INTERNATIONAL STANDARDS
7-1 SAFETY 20
7-2 EMC 20
7-3 Environment 20
8 PACKING
8-1 DESIGNATION OF LOT MARK 21
8-2 PACKING FORM 21
9 PRECAUTIONS 22-23
A APPENDIX. Enhanced Extended Display Identification Data 24-26
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LP156WF4
Liquid Crystal Display
Product Specification
RECORD OF REVISIONS
EDID
Revision No Revision Date Page Description
ver
1.0 Jul. 27. 2012 - Final Specification 1.0
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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
Values
Parameter Symbol Units Notes
Min Max
Power Input Voltage VCC -0.3 4.0 Vdc at 25 r 5qC
Operating Temperature TOP 0 50 qC 1
Storage Temperature HST -20 60 qC 1
Operating Ambient Humidity HOP 10 90 %RH 1
Storage Humidity HST 10 90 %RH 1
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 50
Humidity[(%)RH]
Temperature [ ] Storage
40 40%
30 Operation
20
20%
10
0
10%
-20 0 10 20 30 40 50 60 70 80
Dry Bulb Temperature [ ]
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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 Unit Notes
Min Typ Max
LOGIC :
Power Supply Input Voltage VCC 3.0 3.3 3.6 V 1
Power Supply Input Current Mosaic ICC - 510 585 mA 2
Power Consumption PCC - 1.68 1.93 W 2
Power Supply Inrush Current ICC_P - - 1500 mA 3
Differential Impedance Zm 90 100 110 4
BACKLIGHT : ( with LED Driver)
LED Power Input Voltage VLED 7.0 12.0 21.0 V 5
LED Power Input Current ILED - 470 520 mA 6
LED Power Consumption PLED - 5.6 6.2 W 6
LED Power Inrush Current ILED_P - - 1500 mA 7
PWM Duty Ratio 5 - 100 % 8
PWM Jitter - 0 - 0.2 % 9
PWM Impedance ZPWM 20 40 60 k
PWM Frequency FPWM 200 - 1000 Hz 10
PWM High Level Voltage VPWM_H 3.0 - 5.3 V
PWM Low Level Voltage VPWM_L 0 - 0.3 V
LED_EN Impedance ZPWM 20 40 60 k
LED_EN High Voltage VLED_EN_H 3.0 - 5.3 V
LED_EN Low Voltage VLED_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 NO Connect [Interface Chip]
1. LCD :
2 GND High Speed (Main Link) Ground
Analogix, ANX9858 (LCD Controller
3 Lane1_N Complement Signal-Lane 1 Including eDP Receiver.
2. System : TBD or equivalent
4 Lane1_p True Signal-Main Lane 1
* Pin to Pin compatible with eDP
5 GND High Speed (Main Link) Ground
[Connector]
6 Lane0_N Complement Signal-Lane 0
CABLINE-VS RECE ASS'Y, I-PEX
7 Lane0_p True Signal-Main Lane 0 or its compatibles
8 GND High Speed (Main Link) Ground [Mating Connector]
9 CABLINE-VS PLUG CABLE
AUX_P True Signal-Auxiliary Channel
ASS'Y or equivalent.
10 AUX_N Complement Signal-Auxiliary Channel
11 [Connector pin arrangement]
GND High Speed (Main Link) Ground
12 VCC LCD Logic and driver power (3.3V Typ.)
13 VCC LCD Logic and driver power (3.3V Typ.)
14 NC NO Connect
[LCD Module Rear View]
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 LED Backlight On/Off
23 PWM System PWM Signal input for dimming
24 NC NO Connect
25 NC NO Connect
26 VLED LED Backlight Power (7.0V-21V)
27 VLED LED Backlight Power (7.0V-21V)
28 VLED LED Backlight Power (7.0V-21V)
29 VLED LED Backlight Power (7.0V-21V)
30 NC 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
RED GREEN BLUE
Color
MSB LSB MSB LSB MSB LSB
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
Black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Red 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0
Green 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0
Basic Blue 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
Color Cyan 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1
Magenta 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1
Yellow 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0
White 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
RED (00) 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 ... ... ... ...
RED (62) 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0
RED (63) 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0
GREEN (00) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
GREEN (01) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0
GREEN ... ... ... ...
GREEN (62) 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0
GREEN (63) 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0
BLUE (00) 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 ... ... ... ...
BLUE (62) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0
BLUE (63) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
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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 Vertical 207.7 r 0.5mm
Thickness 3.4mm (max)
Horizontal 347.55 r 0.5mm
Bezel Area
Vertical 196.9 r 0.5mm
Horizontal 344.16 r 0.3 mm
Active Display Area
Vertical 193.59 r 0.3 mm
Weight 330g ( Max.) / 320g ( Typ.)
Surface Treatment Anti-Glare treatment of the front polarizer
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LP156WF4
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
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 0 ~ 10,000 feet (3,048m) 24Hr
storage / shipment 0 ~ 40,000 feet (12,192m) 24Hr
{ 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.
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LP156WF4
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.
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