LG LP-140WH1-TLC2 Service manual
Product Specification
SPECIFICATION
LP140WH1
Liquid Crystal Display
FOR
APPROVAL
)
(
(
Preliminary Specification
◆
)
Final Specification
MODEL
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14.0”W HD TFT LCDTitle
HPCustomer
*When you obtain standard approval,
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please use the above model name without suffix
LG Display Co., Ltd.SUPPLIER
LP140WH1*MODEL
TLC2Suffix
SIGNATUREAPPROVED BY
/
/
/
Please return 1 copy for your confirmation with
your signature and comments.
Ver. 1.0 JUNE.03, 2009
APPROVED BY
APPROVED BY
K. J. Kwon / S.Manager
REVIEWED BY
REVIEWED BY
M.J.Lee / Manager
PREPARED BY
PREPARED BY
J.Y.Lee / Engineer
C.H.Lee / Engineer
Products Engineering Dept.
LG Display Co., Ltd
SIGNATURE
SIGNATURE
1 / 28
Product Specification
Contents
LP140WH1
Liquid Crystal Display
ITEMNo
COVER
CONTENTS
RECORD OF REVISIONS
GENERAL DESCRIPTION1
ABSOLUTE MAXIMUM RATINGS2
ELECTRICAL SPECIFICATIONS3
ELECTRICAL CHARACTREISTICS 3-1
INTERFACE CONNECTIONS 3-2
LVDS SIGNAL TIMING SPECIFICATION 3-3
SIGNAL TIMING SPECIFICATIONS 3-3
SIGNAL TIMING WAVEFORMS 3-4
COLOR INPUT DATA REFERNECE 3-5
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POWER SEQUENCE 3-6
OPTICAL SFECIFICATIONS4
Page
1
2
3
4
5
6
8
9-10
10
11
12
13
14-16
MECHANICAL CHARACTERISTICS5
RELIABLITY6
INTERNATIONAL STANDARDS7
SAFETY 7-1
EMC 7-2
PACKING8
DESIGNATION OF LOT MARK 8-1
PACKING FORM 8-2
PRECAUTIONS9
APPENDIX. Enhanced Extended Display Identification Data A
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17-20
21
22
22
23
24
24-25
26-28
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Product Specification
RECORD OF REVISIONS
LP140WH1
Liquid Crystal Display
DescriptionPageRevision DateRevision No
First Draft (Preliminary Specification)-Apr. 23, 20090.0
6~7
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Change Electrical Specifications format
Change Power Sequence format
13June . 03 . 20091.0
Final Specification
EDID
ver
0.0
1.0
Ver. 1.0 JUNE.03, 2009
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LP140WH1
Liquid Crystal Display
Product Specification
1. General Description
The LP140WH1 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 14.0 inches diagonally measured active display area with HD
resolution(768 vertical by 1366 horizontal 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 LP140WH1 has been designed to apply the interface method that enables low power, high speed, low
EMI.
The LP140WH1 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 sub-pixels, the
LP140WH1 characteristics provide an excellent flat display for office automation products such as Notebook
PC.
EEPROM Block
for EDID
User connector 40 Pin
LVDS
1port
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VCC
VLED
LED_EN
PWM
General Features
RoHS & Halogen Fee
Comply
EEPROM Block
for Tcon Operating
Timing Control
(Tcon) Block
M
i
n
i
-
L
V
D
DVCC
Power
Block
LED Driver
Block
Control & Data Power EDID signal & Power
14.0 inches diagonal Active Screen Size
323.5(H, typ) × 192.0(V, typ) × 5.2(D,max) [mm]Outline Dimension
0.2265mm × 0.2265 mmPixel Pitch
1366 horiz. By 768 vert. Pixels RGB strip arrangementPixel Format
6-bit, 262,144 colorsColor Depth
200 cd/m2(Typ.5 point)Luminance, White
Total 4.1 Watt(Typ.) @ LCM circuit 1.3 Watt(Typ.), B/L input 2.8Watt(Typ. with Driver)Power Consumption
350g (Max.)Weight
Transmissive mode, normally whiteDisplay Operating Mode
Hard Coating(3H), Glare treatment of the front polarizerSurface Treatment
Yes
TCLKs
AVCC, AVDD
VGH, VGL, GMA
GIP CLKs, DSC
VOUT_LED
S
FB1~6
1
TFT-LCD Panel
(HD, GIP, TN)
768
Source Driver
(Bottom Bent)
LED Backlight Ass’y
1366
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LP140WH1
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 Notes
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
Note : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39C Max, and no condensation of water.
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Wet Bulb
Temperature [℃]
20
10
0
Symbol
60
50
40
30
Values
MaxMin
90% 80%
60%
40%
20%
10%
Units
Humidity[(%)RH]
Storage
Operation
at 25 5CVdc4.0-0.3VCC
1C500TOP
1C60-20HST
1%RH9010HOP
1%RH9010HST
-20
Ver. 1.0 JUNE.03, 2009
10
20 30 40 50
Dry Bulb Temperature [℃]
60 70 800
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LP140WH1
Liquid Crystal Display
Product Specification
3. Electrical Specifications
3-1. Electrical Characteristics
The LP140WH1 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
LOGIC :
Power Supply Input Current
BACKLIGHT : ( with LED Driver)
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PWM Jitter
SymbolParameter
Values
MaxTypMin
-
kΩ604020ZPWM PWM Impedance
NotesUnit
1V3.63.33.0VCC Power Supply Input Voltage
2mA470400-ICC Mosaic
3mA595500-ICC_max Black
2W1.51.3-PCC Power Consumption
4mA1500--ICC_P Power Supply Inrush Current
5Ω11010090ZLVDS LVDS Impedance
6V20.012.07.0VLED LED Power Input Voltage
7mA255230- ILED LED Power Input Current
7W3.02.8-PLED LED Power Consumption
9%100-6 PWM Duty Ratio
10%0.3-0
PWM High Level Voltage
PWM Low Level Voltage
LED_EN High Voltage
LED_EN Low Voltage
Ver. 1.0 JUNE.03, 2009
PWM_H
PWM_L
VLED_EN_
H
VLED_EN_
L
11Hz1000-200FPWM PWM Frequency
V5.3-3.0V
V0.5-0V
kΩ604020ZPWM LED_EN Impedance
V5.3-3.0
V0.5-0
12Hrs--12,000 Life Time
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LP140WH1
Liquid Crystal Display
Product Specification
Note)
1. The measuring position is the connector of LCM and the test conditions are under 25℃, fv = 60Hz,
Black pattern.
2. The specified Icc current and power consumption are under
the Vcc = 3.3V , 25℃, fv = 60Hz condition whereas Mosaic pattern
is displayed and fv is the frame frequency.
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 the minimum of T1 at Power on sequence.
Rising time
Vcc
0V
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5. This impedance value is needed to 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 25℃.
7. The current and power consumption with LED Driver are under the Vled = 12.0V , 25℃, Dimming of
Max luminance whereas White pattern is displayed and fv is the frame frequency.
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
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3.3V
Rising time
VLED
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 cause 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 the typical brightness of LCD is 50% compare to that of
initial value at the typical LED current. These LED backlight has 6 strings on it and the typical current
of LED’s string is base on 18mA.
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LP140WH1
Liquid Crystal Display
Product Specification
3-2. Interface Connections
This LCD employs two interface connections, a 40 pin connector is used for the module electronics interface
and the other connector is used for the integral backlight system.
The electronics interface connector is a model CABLINE-VS RECE ASS’Y manufactured by I-PEX.
Table 3. MODULE CONNECTOR PIN CONFIGURATION (CN1)
NotesDescriptionSymbolPin
No ConnectionNC1
Power Supply, 3.3V Typ.VCC2
31
32
33
34
35
36
37
38
39
40
Power Supply, 3.3V Typ.VCC3
DDC 3.3V powerV EEDID4
No ConnectionNC5
DDC ClockClk EEDID6
DDC DataDATA EEDID7
Negative LVDS differential data inputOdd_RIN 0-8
Positive LVDS differential data inputOdd_RIN 0+9
GroundGND10
Negative LVDS differential data inputOdd_RIN 1- 11
Positive LVDS differential data inputOdd_RIN 1+12
GroundGND13
Negative LVDS differential data inputOdd_RIN 2-14
Positive LVDS differential data inputOdd_RIN 2+15
GroundGND16
Negative LVDS differential clock inputOdd_CLKIN-17
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NC No Connection21
Positive LVDS differential clock inputOdd_CLKIN+18
GroundGND19
No ConnectionNC20
GroundGND19
No ConnectionNC23
No ConnectionNC24
GroundGND19
No ConnectionNC26
No ConnectionNC27
GroundGND19
No ConnectionNC29
No ConnectionNC30
LED GroundVLED_GND
LED GroundVLED_GND
LED GroundVLED_GND
No ConnectionNC
PWM for luminance controlPWM
Backlight On/Off ControlLED_EN
No Connection (Reserved)NC
LED Power Supply 7V-21V VLED
LED Power Supply 7V-21V VLED
LED Power Supply 7V-21V VLED
1, Interface chips
1.1 LCD : SW, SW0624 (LCD Controller)
including LVDS Receiver
1.2 System : THC63LVDF823A
or equivalent
* Pin to Pin compatible with LVDS
2. Connector
2.1 LCD : CABLINE-VS RECE ASS’Y, I-PEX
or its compatibles
2.2 Mating : CABLINE-VS PLUG CABLE
ASS’Y or equivalent.
2.3 Connector pin arrangement
40
[LCD Module Rear View]
1
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Product Specification
LVDS +
LVDS -
0V
V
CM
# |VID| = |(LVDS +) – (LVDS -)|
# VCM= {(LVDS +) + ( LVDS -)}/2
|VID|
V
IN_MAXVIN_MIN
LVDS Data
t
SKEW
LVDS Clock
T
clk
t
SKEW (Fclk
= 1/T
clk
)
1) 85MHz > Fclk ≥ 65MHz : -400 ~ +400
2) 65MHz > Fclk ≥ 25MHz : -600 ~ +600
3-3. LVDS Signal Timing Specifications
3-3-1. DC Specification
LP140WH1
Liquid Crystal Display
Description
LVDS Common mode Voltage
LVDS Input Voltage Range
3-3-2. AC Specification
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LVDS Clock to Data Skew Margin
Symbo
l
CM
IN
SKEW
SKEW
NotesUnitMaxMin
-mV600100|VID|LVDS Differential Voltage
-V1.80.6V
-V2.10.3V
NotesUnitMaxMinSymbolDescription
ps+ 400 400-t
600-
ps+ 600t
85MHz > Fclk ≥
65MHz
65MHz > Fclk ≥
25MHz
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
Ver. 1.0 JUNE.03, 2009
SKEW_EO
DEV
MOD
- 1/7
+ 1/7t
T
clk
%± 3-F
KHz200-F
-
-
-
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