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LP156WH4
Liquid Crystal Display
Product Specification
1. General Description
The LP156WH4 is a Color Active Matrix Liquid Cr ystal Display with an integra l LED backlight system. The
matrix employs a-Si Thin Film Tran sis tor as the active element. It is a trans missi ve type d isplay ope rating in
the normally white mode. This TFT-LCD has 15.6 inches diagonally measured active display area with HD
resolution (1366 horizontal by 768 ver tical pixe l array). Each pixel is divided into Red, Green and Blue subpixels or dots which are arranged in vertical stripes. Gray scale or the brightness o f 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 d isplays are important. In combination with the vertical arr angement of the subpixels, the LP156WH4 characteristics provide an excellent flat display for office automation products such
as Notebook PC.
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
EEPROM Block
for EDID
for EDID
LVDS
1port
VCC
VLED
LED_EN
PWM
Timing Control
Timing Control
Block
Block
DVCC
Power
r
Powe
Block
Block
LED Driver
LED Driver
Block
Block
CLKs
VGH, VGL, GMA
Control & DataPower
E
PI
AVCC, AVDD
GIP CLKs, DSC
VOUT_LED
FB1~4
General Features
Active Screen Size15.6 inches diagonal
Outline Dimension359.3(H, typ) ×
Pixel Pitch0.252mm ×
Pixel Format1366 horiz. By 768 vert. Pixels RGB strip arrangement
Color Depth6-bit, 262,144 colors
Luminance, White200 cd/m
Power ConsumptionTotal 4.1 W(Typ.) Logic : 1.1W (Typ.@ Mosaic), B/L : 3.0W (Typ.@ VLED 12V )
Weight450g (Max.)
Display Operating ModeTransmissive mode, normally white
Surface TreatmentAnti-Glare treatment of the front polarizer
RoHS ComplyYes
BFR / PVC / As Free Yes for all
209.5(V, typ) ×
5.5(D,max) [mm]
0.252 mm
2
(Typ.5 point @ PWM Duty = 100%)
1366
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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
LP156WH4
ParameterSymbol
Power Input Voltage
Operating Temperature
Storage Temperature
Operating Ambient Humidity
Storage Humidity
VCC-0.34.0Vdcat 25
TOP
HST
HOP
HST
Values
UnitsNotes
MinMax
050C1
-2060C1
1090%RH1
1090%RH1
Note : 1. Temperature and relative humidity range are shown in the figure below.
Wet bulb temperature should be 39
Wet Bulb
Temperature [℃]
30
20
10
0
C Max, and no condensation of water.
90% 80%
60
50
40
60%
Humidity[(%)RH]
40%
20%
10%
Storage
Operation
5C
-20
10
20304050
6070800
Dry Bulb Temperature [℃]
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PWM High Level Voltage
PWM Low Level Voltage
LED_EN Impedance
LED_EN High Voltage
LED_EN Low Voltage
V
PWM_H
V
PWM_L
PWM
Z
LED_EN_H
V
LED_EN_L
V
3.0-5.3
0-0.3V
204060kΩ
3.0-5.3V
0-0.3V
Life Time15,000--Hrs11
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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 and Mosaic pattern.
3. This Spec. is the max load condition for the cable impedance designing.
. 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.
LP156WH4
Rising time
Vcc
0V
10%
90%
3.3V
0.5ms
4. This impedance value is needed for proper display and measured form LVDS Tx to the mating connector.
5. The measuring position is the connector of LCM and the test conditions are under 25℃.
6. The current and power consumption with LED Driver are under the Vled = 12.0V , 25℃, Dimming of
Max luminance and White pattern with the normal frame frequency operated(60Hz).
7. The below figures are the measuring Vled condition
and the Vled control block LGD used.
VLED control block is same with Vcc control block.
Rising time
LED
V
0V
10%
90%
12.0V
0.5ms
8. The operation of LED Driver below minimum dimming ratio may cause flickering or reliability issue.
9. If Jitter of PWM is bigger than maximum, it may induce flickering.
10. 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.
11. 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 condition.
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LP156WH4
Liquid Crystal Display
Product Specification
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
1NCNo Connection.
2VCCLCD Logic and driver power (3.3V Typ.)
3VCCLCD Logic and driver power (3.3V Typ.)
4V EEDIDDDC Power (3.3V)
5NCNo Connection.
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 LVD S diff ere nti al 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
34
35
36
37
38
39
40