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Version Date
Ver 1.1
Ver 2.0
Ver3.0
June 24,2005
July 21,2005
Aug 26,2005
Page
(New)
All
P5
P8
P11
P21
Section Description
All
2.2
3.2
5.1
7.2
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Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
Approval
REVISION HISTORY
Preliminary Specification V1.1 was first issued
Change the BL Max lamp current from 7.0 mA to 6.5mA
Change BL Power consumption from 9.42W to 9.12W
“Connector part no” delete “Equivalent”
Change the “definition of Average Luminance of White (L
points” to “Center point”
Change the contrast typical value from 600 to 550; min value from 450
to 400
Rx change from 0.644 to 0.643
Ry change from 0.348 to 0.349
Gx change from 0.285 to 0.283
By change from 0.072 to 0.074
Change the ME drawing “lamp cable” from 100mm to 135mm
)” from “5
AVE
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1. GENERAL DESCRIPTION
1.1 OVERVIEW
N170C1 - L02 is a 17.0” TFT Liquid Crystal Display module with two CCFLs Backlight unit and 30 pins
LVDS interface. This module supports 1440 x 900 Wide-XGA mode and can display 262,144 colors. The
optimum viewing angle is at 6 o’clock direction. The inverter module for Backlight is not built in.
1.2 FEATURES
- Thin and High Brightness
- WXGA (1440 x 900 pixels) resolution
- DE only mode
- 3.3V LVDS (Low Voltage Differential Signaling) interface with 2 pixel/clock
- 2 CCFLs
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Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
Approval
1.3 APPLICATION
- TFT LCD Notebook
1.4 GENERAL SPECIFICATI0NS
Item Specification Unit Note
Active Area 367.2 (H) x 229.5 (V) (17.0” diagonal) mm
Bezel Opening Area 371.2 (H) x 233.5 (V) mm
Driver Element a-si TFT active matrix - Pixel Number 1440 x R.G.B. x 900 pixel Pixel Pitch 0.255 (H) x 0.255 (V) mm Pixel Arrangement RGB vertical stripe - Display Colors 262,144 color Transmissive Mode Normally white - Surface Treatment Hard coating (2H), Glare Type - -
1.5 MECHANICAL SPECIFICATIONS
Item Min. Typ. Max. Unit Note
Horizontal (H) 381.7 382.2 382.7 mm
Module Size
Note (1) Please refer to the attached drawings for more information of front and back outline dimensions.
Vertical (V) 246.3 246.8 247.3 mm
Depth (D) --- 9.7~8.3 10.0~8.6 mm
Weight --- 950 980 g -
(1)
(1)
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2. ABSOLUTE MAXIMUM RATINGS
2.1 ABSOLUTE RATINGS OF ENVIRONMENT
Item Symbol
Storage Temperature TST -20 +60 ºC (1)
Storage Humidity HST 5 90 (1)
Operating Ambient Temperature TOP 0 +50 ºC (1), (2)
Operating Humidity HOP 20 90 (1)
Shock (Non-Operating) HST - 200 G (3), (5)
Vibration (Non-Operating) V
Note (1) Temperature and relative humidity range is shown below.
(a) 90 %RH Max. (Ta Љ 40 ºC).
(b) Wet-bulb temperature should be 39 ºC Max. (Ta > 40 ºC).
(c) No condensation.
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Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
Approval
Value
Min. Max.
- 1.5 G (4), (5)
NOP
Unit Note
Note (2) The ambient temperature means the temperature of panel surface.
Note (3) 2ms, half sine wave, 1 times for ± X, ± Y, ± Z.
Note (4)10 ~ 500 Hz, 30 min/cycle,1cycles for each X, Y, Z axis. The fixing condition is shown as below:
Side Mount Fixing Screw
Note (5) At testing Vibration and Shock, the fixture in holding the module has to be hard and rigid enough
so that the module would not be twisted or bent by the fixture.
gap=2mm
Bracket
LCD Module
Side Mount Fixing Screw
Stage
2.2 ELECTRICAL ABSOLUTE RATINGS
2.2.1 TFT LCD MODULE
Item Symbol
Power Supply Voltage VCC -0.3 +4.0 V
Logic Input Voltage VIN -0.3 VCC+0.3 V
Min. Max.
Value
Unit Note
(1)
2.2.2 BACKLIGHT UNIT
Item Symbol
Lamp Voltage VL
Lamp Current IL
Lamp Frequency FL
Note (1) Permanent damage to the device may occur if maximum values are exceeded. Function operation
should be restricted to the conditions described under Normal Operating Conditions.
Note (2) Specified values are for lamp (Refer to 3.2 for further information).
Min. Max.
Ё
Ё
Ё
Value
Unit Note
2.5K V
6.5 mA
80 KHz
(1), (2), IL = 6.0 mA
RMS
RMS
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Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
3. ELECTRICAL CHARACTERISTICS
3.1 TFT LCD MODULE Ta = 25 ± 2 ºC
Parameter Symbol
Min. Typ. Max.
Power Supply Voltage Vcc 3.0 3.3 3.6 V Ripple Voltage VRP 50 mV Rush Current I
Power Supply Current
Logical Input Voltage
White 450 480 mA (3)a
Black
“H” Level VIL +100 mV “L” Level V
0.5 A (2)
RUSH
Lcc
-100 mV -
IH
570 600 mA (3)b
Terminating Resistor RT 100 Ohm
Value
Unit Note
Approval
Note (1) The module should be always operated within above ranges.
Note (2) Measurement Conditions:
:
+3.3V
R1
47K
Q1 2SK1475
FUSE
(High to Low)
(Control Signal)
SW
+12V
C1
1uF
VR1
R2
1K
47K
0.01uF
Q2
2SK1470
C2
C3
1uF
Vcc
(LCD Module Input)
Vcc rising time is 470us
+3.3V
0.9Vcc
0.1Vcc
GND
470us
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Note (3) The specified power supply current is under the conditions at Vcc = 3.3 V, Ta = 25 ± 2 ºC, fv = 60
Hz, whereas a power dissipation check pattern below is displayed.
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Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
Approval
a. White Pattern
Active Area
b. Black Pattern
Active Area
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Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
3.2 BACKLIGHT UNIT Ta = 25 ± 2 ºC
Parameter Symbol
Min. Typ. Max.
Lamp Input Voltage VL (680) (760) (840) V
Lamp Current IL 2.0 6.0 6.5 mA
Lamp Turn On Voltage VS
Ё Ё
Ё Ё
Operating Frequency FL 50
Lamp Life Time LBL (12,000)
Power Consumption PL
Ё
Note (1) Lamp current is measured by utilizing a high frequency current meter as shown below:
Value
(1620) (25
(1900) (0
Ё
Ё Ё
(9.12)
Unit Note
I
RMS
(1)
o
C)V
o
C)V
RMS
(2)
RMS
(2)
RMS
80 KHz (3)
Hrs (5)
Ё
W (4), IL = 6.0 mA
Approval
= 6.0 mA
L
Note (2) The voltage shown above should be applied to the lamp for more than 1 second after startup.
Otherwise the lamp may not be turned on.
Note (3) The lamp frequency may produce interference with horizontal synchronous frequency from the
display, and this may cause line flow on the display. In order to avoid interference, the lamp
frequency should be detached from the horizontal synchronous frequency and its harmonics as far
as possible.
Note (4) P
= IL VL x2
L
Note (5) The lifetime of lamp can be defined as the time in which it continues to operate under the condition
Ta = 25 2
o
C and IL = 6.0 mArms until one of the following events occurs:
(a) When the brightness becomes or lower than 50% of its original value.
(b) When the effective ignition length becomes or lower than 80% of its original value. (Effective
ignition length is defined as an area that has less than 70% brightness compared to the
brightness in the center point.)
Note (6) The waveform of the voltage output of inverter must be area-symmetric and the design of the
inverter must have specifications for the modularized lamp. The performance of the Backlight,
such as lifetime or brightness, is greatly influenced by the characteristics of the DC-AC inverter for
the lamp. All the parameters of an inverter should be carefully designed to avoid generating too
much current leakage from high voltage output of the inverter. When designing or ordering the
inverter please make sure that a poor lighting caused by the mismatch of the Backlight and the
inverter (miss-lighting, flicker, etc.) never occurs. If the above situation is confirmed, the module
should be operated in the same manners when it is installed in your instrument.
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The output of the inverter must have symmetrical (negative and positive) voltage waveform and
symmetrical current waveform.(Unsymmetrical ratio is less than 10%) Please do not use the inverter,
which has unsymmetrical voltage and unsymmetrical current and spike wave. Lamp frequency may
produce interface with horizontal synchronous frequency and as a result this may cause beat on the
display. Therefore lamp frequency shall be as away possible from the horizontal synchronous
frequency and from its harmonics in order to prevent interference.
Requirements for a system inverter design, which is intended to have a better display performance, a
better power efficiency and a more reliable lamp. It shall help increase the lamp lifetime and reduce its
leakage current.
a. The asymmetry rate of the inverter waveform should be 10% below;
b. The distortion rate of the waveform should be within Ѕ2 ± 10%;
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Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
Approval
c. The ideal sine wave form shall be symmetric in positive and negative polarities.
* Asymmetry rate:
I p
I
-p
| I
* Distortion rate
I
– I –p | / I
p
(or I –p) / I
p
rms
rms
* 100%
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4. BLOCK DIAGRAM
4.1 TFT LCD MODULE
Display
Data
Vcc
GND
Data
CLK
V
EDID
EDID
EDID
INPUT CONNECTOR
VL
LAMP CONNECTOR
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LVDS INPUT /
TIMING CONTROLLER
DC/DC CONVERTER &
REFERENCE VOLTAGE
GENERATOR
EDID
EEPROM
Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
SCAN DRIVER IC
TFT LCD PANEL
DATA DRIVER IC
BACKLIGHT UNIT
Approval
4.2 BACKLIGHT UNIT
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5. INPUT TERMINAL PIN ASSIGNMENT
5.1 TFT LCD MODULE
Pin Symbol Description Polarity Remark
1 Vss Ground
2 Vcc Power Supply +3.3 V (typical)
3 Vcc Power Supply +3.3 V (typical)
4 V
5 NC Non-Connection
6 CLK
7 DATA
8 RXO0- LVDS Differential Data Input (Odd) Negative
9 RXO0+ LVDS Differential Data Input (Odd) Positive
10 Vss Ground
11 RXO1- LVDS Differential Data Input (Odd) Negative
12 RXO1+ LVDS Differential Data Input (Odd) Positive
13 Vss Ground
14 RXO2- LVDS Differential Data Input (Odd) Negative
15 RXO2+ LVDS Differential Data Input (Odd) Positive
16 Vss Ground
17 RXOC- LVDS Clock Data Input (Odd) Negative
18 RXOC+ LVDS Clock Data Input (Odd) Positive
19 Vss Ground
20 RxE0- LVDS Differential Data Input (Even) Negative
21 RxE0+ LVDS Differential Data Input (Even) Positive
22 Vss Ground
23 RxE1- LVDS Differential Data Input (Even) Negative
24 RxE1+ LVDS Differential Data Input (Even) Positive
25 Vss Ground
26 RxE2- LVDS Differential Data Input (Even) Negative
27 RxE2+ LVDS Differential Data Input (Even) Positive
28 Vss Ground
29 RXEC- LVDS Clock Data Input (Even) Negative
30 RXEC+ LVDS Clock Data Input (Even) Positive
DDC 3.3V Power
EDID
DDC Clock
EDID
DDC Data
EDID
Note (1) Connector Part No.: JAE-FI-XB30SL-HF10 or equivalent
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Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
Approval
Note (2) User’s connector Part No: JAE-FI-X30C2L or equivalent
Note (3) The first pixel is odd as shown in the following figure.
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5.2 BACKLIGHT UNIT
Pin Symbol Description Color
1 HV High Voltage Pink
2 LV Ground White
1 HV High Voltage Blue
2 LV Ground Black
Note (1) Connector Part No.: JST-BHSR-02VS-1 or equivalent
Note (2) User’s connector Part No.: JST-SM02B-BHSS-1-TB or equivalent
5.3 TIMING DIAGRAM OF LVDS INPUT SIGNAL
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Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
Approval
RXOC+
RXO2+/-
RXO1+/-
RXO0+/-
RXEC+
RXE2+/-
RXE1+/-
T/7
IN20 IN19 IN18IN17IN16IN15 IN14
DE OB5OB4OB3 OB2 Vsync Hsync
IN13 IN12 IN11IN10IN9IN8 IN7
OB1 OG4OG3OG2 OG1 OB0 OG5
IN6 IN5 IN4IN3IN2IN1 IN0
OG0 OR3OR2OR1 OR0 OR5 OR4
Signal for 1 DCLK Cycle (T)
T/7
IN20 IN19 IN18IN17IN16IN15 IN14
DE EB5EB4EB3 EB2 Vsync Hsync
IN13 IN12 IN11IN10IN9IN8 IN7
RXE0+/-
EB1 EG4EG3EG2 EG1 EB0 EG5
IN6 IN5 IN4IN3IN2IN1 IN0
EG0 ER3ER2ER1 ER0 ER5 ER4
Signal for 1 DCLK Cycle (T)
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5.4 COLOR DATA INPUT ASSIGNMENT
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 the assignment of
color versus data input.
Color
R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
Black
Red
Green
Basic
Colors
Gray
Scale
Of
Red
Gray
Scale
Of
Green
Gray
Scale
Of
Blue
Note (1) 0: Low Level Voltage, 1: High Level Voltage
Blue
Cyan
Magenta
Yellow
White
Red(0)/Dark
Red(1)
Red(2)
Standard timing ID # 3
Standard timing ID # 3
Standard timing ID # 4
Standard timing ID # 4
Standard timing ID # 5
Standard timing ID # 5
Standard timing ID # 6
Standard timing ID # 6
Standard timing ID # 7
Standard timing ID # 7
Standard timing ID # 8
Standard timing ID # 8
Detailed timing description # 1 Pixel clock (“96.21MHz”)
# 1 Pixel clock (hex LSB first)
# 1 H active (“1440”)
# 1 H blank (“320”)
# 1 H active : H blank (“1440 : 320”)
# 1 V active (”900”)
# 1 V blank (”12”)
# 1 V active : V blank (”900 :12”)
# 1 H sync offset (”64”)
# 1 H sync pulse width ("32”)
# 1 V sync offset : V sync pulse width (”3 : 3”)
width (”64: 32 : 3 : 3”)
# 1 H image size (”367.2 mm”)
# 1 V image size (”229.5 mm”)
# 1 H image size : V image size (”367.2 : 229.5”)
# 1 H boarder (”0”)
# 1 V boarder (”0”)
ASCII)
# 2 Flag
# 2 1st character of name (“N”)
# 2 2nd character of name (“1”)
# 2 3rd character of name (“7”)
# 2 4th character of name (“0”)
# 2 5th character of name (“C”)
# 2 6th character of name (“1”)
# 2 7th character of name (“-”)
# 2 8th character of name (“L”)
# 2 9th character of name (“0”)
95 5F # 3 1st character of string (“C”)
96 60 # 3 2nd character of string (“M”)
97 61 # 3 3rd character of string (“O”)
98 62 # 3 New line character indicates end of ASCII string
99 63 # 3 Padding with “Blank” character
100 64 # 3 Padding with “Blank” character
101 65 # 3 Padding with “Blank” character
102 66 # 3 Padding with “Blank” character
103 67 # 3 Padding with “Blank” character
104 68 # 3 Padding with “Blank” character
105 69 # 3 Padding with “Blank” character
106 6A # 3 Padding with “Blank” character
107 6B # 3 Padding with “Blank” character
108 6C Detailed timing description # 4
109 6D # 4 Flag
110 6E # 4 Reserved
111 6F
112 70 # 4 Flag
113 71 # 4 1st character of name (“N”) 4E
114 72 # 4 2nd character of name (“1”) 31
115 73 # 4 3rd character of name (“7”) 37
116 74 # 4 4th character of name (“0”) 30
117 75 # 4 5th character of name (“C”) 43
118 76 # 4 6th character of name (“1”) 31
119 77 # 4 7th character of name (“-”) 2D
120 78 # 4 8th character of name (“L”) 4C
121 79 # 4 9th character of name (“0”)
122 7A # 4 9th character of name (“2”)
123 7B # 4 New line character indicates end of ASCII string
124 7C # 4 Padding with “Blank” character
125 7D # 4 Padding with “Blank” character
126 7E Extension flag
127 7F Checksum
Byte #
(hex)
Field Name and Comments
# 2 9th character of name (“2”)
# 2 New line character indicates end of ASCII string
# 2 Padding with “Blank” character
# 2 Padding with “Blank” character
Detailed timing description # 3
# 3 Flag
# 3 Reserved
# 3 FE (hex) defines ASCII string (Vendor “CMO”, ASCII)
# 3 Flag
# 4 FE (hex) defines ASCII string (Model Name“N170C1-L02”,
ASCII)
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5.6 EDID SIGINAL SPECIFICATION
(1) EDID Power
Parameter Symbol Conditions Min. Typ. Max. Unit
Absolute
Maximum
Ratings
Recommended
Operating
Conditions
Vcc 0 __ 7.0 V
Vcc Read Operation 2.7 — 5.5 V
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Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
Approval
(2) DC characteristics
Symbol Min. Max. Unit Index
SCL, SDA terminal input voltage
Hysteresis Voltage VHYS 0.05 VCC— V
Output Voltage
Input Leak current
(Vin =0.1V~VCC)
Output Leak current ILO -10 10 uA
Terminal capacity(Input, Output) Cin, Cout— 10 pF
Operating current
High VoltageVIH
Low VoltageVIL —
VOL1
VOL2
ILI
ICC Write
ICC Read
0.7uV
—
-10
-10
—
CC
— V
0.3uV
CC
V
0.4
0.6
10
50
3
1
IOL=3mA, CC=2.5V
V
IOL=6mA, CC=2.5V
uA
mA
WP=VSS
WP=VCC
Vout =0.1V~VCC,
WP=VSS
VCC=5.0V
Ta=25
Fclk=1.0MHz
VCC=5.5V,
SCL=400KHz
0
C,
Stillness current
(SDA=SCL=VCC)
(WP=VSS,A0,A1,A2=VSS)
ICCS —
30
100
uA
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VCC=3.0V
VCC=5.5V
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(3) AC characteristics (VCC=2.5~5.5V standard operation mode)
Item Symbol
Clock frequency Fclk — 100 — 400 KHz
Clock High Time THIGH 4000 — 900 —
Clock Low Time TLOW 4700 — 1300 —
SDA, SCL falling time TR — 1000 — 300
SDA, SCL rising time TF — 300 — 300
START hold time THD: STA 4000 — 600 —
START setup time TSU: STA 4700 — 600 —
Data input hold time THD: Data 0 — 0 —
Data input setup time TSU: Data 250 —100 —
STOP setup time TSU: STO 4700 —600 —
Output decision time from
a clock
Bus free time TBUF 4700 —1300 —
Rising time of Min VIH,
VIL
Spike oppression TSP — 50— 50ns
A write-in cycle time TWR — 10— 10ms
The number of times of
data rewriting
TAA — 3500
TOF — 250
— 1M — 1M — cycles
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VCC=2.5V-5.5V
(Standard operation
mode)
Min. Max. Min. Max. Unit Index
VCC=4.5V-5.5V
(High-speed
operation mode)
100 900
20 250
Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
Approval
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CBЉ100pF
Byte and
page mode
VCC=5.0V
Ta=25
0
C,
(4) Device Addressing
Device Code
1 0 1 0 0 0 0 R/W
Slave Address
R/W
A2 A1 A0
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6. INTERFACE TIMING
6.1 INPUT SIGNAL TIMING SPECIFICATIONS
The input signal timing specifications are shown as the following table and timing diagram.
Signal Item SymbolMin. Typ. Max. Unit Note
DCLK Frequency 1/Tc 40.1 48.1 49.7 MHz (2)
Vertical Total Time TV 905 912 950 TH -
Vertical Active Display Period TVD 900 900 900 TH -
DE
Note (1) Because this module is operated by DE only mode, Hsync and Vsync are ignored.
(2) 2 channels LVDS input.
Vertical Active Blanking Period TVB TV-TVD12 TV-TVD TH
Horizontal Total Time TH 832 880 1000 Tc (2)
Horizontal Active Display Period THD 720 720 720 Tc (2)
Horizontal Active Blanking Period THB
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TH-THD
160
Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
Approval
TH-THD
Tc (2)
DE
DCLK
TC
DE
DATA
6.2 POWER ON/OFF SEQUENCE
Power Supply
for LCD, Vcc
- Interface Signal
(LVDS Signal of
Transmitter), V
- Power for Lamp
0V
0V
I
10%
INPUT SIGNAL TIMING DIAGRAM
Power On
90%
t1
Valid Data
ONOFF OFF
Power Off
90%
t6 t5
50%50%
HD
T
Restart
t7
10%
t4
t3 t2
10%
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Timing Specifications:
0.5 Љ t1 Љ 10 ms
0 Љ t2 Љ 50 ms
0 Љ t3 Љ 50 ms
t4 Њ 500 ms
t5 Њ 200 ms
t6 Њ 200 ms
Note (1) Please avoid floating state of interface signal at invalid period.
Note (2) When the interface signal is invalid, be sure to pull down the power supply of LCD Vcc to 0 V.
Note (3) The Backlight inverter power must be turned on after the power supply for the logic and the
interface signal is valid. The Backlight inverter power must be turned off before the power supply
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Model No.: N170C1 - L02
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for the logic and the interface signal is invalid.
Note (4) Sometimes some slight noise shows when LCD is turned off (even backlight is already off). To
avoid this phenomenon, we suggest that the Vcc falling time is better to follow t7Њ5 msec
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7. OPTICAL CHARACTERISTICS
7.1 TEST CONDITIONS
Item Symbol Value Unit
Ambient Temperature Ta
Ambient Humidity Ha
Supply Voltage VCC 3.3 V
Input Signal According to typical value in "3. ELECTRICAL CHARACTERISTICS"
Inverter Current IL 6.0 mA
Inverter Driving Frequency FL (61) KHz
Inverter (Sumida-H05-4915)
The relative measurement methods of optical characteristics are shown in 7.2. The
following items should be measured under the test conditions described in 7.1 and stable
environment shown in Note (6).
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25r2
50r10
Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
Approval
o
C
%RH
7.2 OPTICAL SPECIFICATIONS
Item Symbol Condition Min. Typ. Max. UnitNote
Red
Green
Color
Chromaticity
Blue
White
Center Luminance of White L
Contrast Ratio CR (400)(550)
Response Time
White Variation
Horizontal
Viewing Angle
Vertical
Rx
Ry
Gx
Gy
Bx
By
=0q, TY =0q
T
Wx
Wy
(340)(400)
CEN
TR
T
F
GW
Tx+
T
-
x
TY+
T
-
Y
x
Viewing Normal Angle
CR Њ 10
Typ –
0.03
(60) (70)
(60) (70)
(50) (60)
(50) (60)
Ё
Ё
Ё
(0.643)
(0.349)
(0.283)
(0.600)
(0.142)
(0.074)
0.313
0.329
11 16 ms
(1.25) (1.40)
Typ +
0.03
Ё
Ё Ё
5 10 ms
Ё
Ё
Ё
Ё
Ё
cd/m2(4), (6)
Ё
Deg.(1)
(1), (6)
(2), (6)
(3)
(5)
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Note (1) Definition of Viewing Angle (Tx, Ty):
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Issued Date: Aug. 26, 2005
Model No.: N170C1 - L02
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TX- = 90º
x-
6 o’clock
T
y- = 90º
y-
Note (2) Definition of Contrast Ratio (CR):
The contrast ratio can be calculated by the following expression.
Contrast Ratio (CR) = L63 / L0
Normal
Tx = Ty = 0º
Ty-Ty
Tx
Tx
y+
12 o’clock direction
T
y+ = 90º
x+
TX+ = 90º
L63: Luminance of gray level 63
L 0: Luminance of gray level 0
CR = CR (5)
CR (X) is corresponding to the Contrast Ratio of the point X at Figure in Note (5).
Note (3) Definition of Response Time (T
100%
90%
Optical
Response
10%
0%
T
R
66.67 ms
, TF) and measurement method:
R
T
F
66.67 ms
Time
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Note (4) Definition of Center Luminance of White (L
Measure the luminance of gray level 63 at center points
L
= L (5)
CEN
L (x) is corresponding to the luminance of the point X at Figure in Note (5)
Note (5) Definition of White Variation (GW):
Measure the luminance of gray level 63 at 5 points
GW = Maximum [L (1), L (2), L (3), L (4), L (5)] / Minimum [L (1), L (2), L (3), L (4), L (5)]
Vertical Line
W
W/4
W/2
3W/4
D/4D/23D/4
):
CEN
Horizontal Line
D
12
X
5
3
4
: Test Point
X=1 to 5
Note (6) Measurement Setup:
The LCD module should be stabilized at given temperature for 20 minutes to avoid abrupt
temperature change during measuring. In order to stabilize the luminance, the measurement
should be executed after lighting Backlight for 20 minutes in a windless room.
LCD Module
LCD Panel
Center of the Screen
Active Area
Photometer
(CA210, CS-1000T)
Field of View = 2º
500 mm
Light Shield Room
(Ambient Luminance < 2 lux)
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8. PRECAUTIONS
8.1 ASSEMBLY AND HANDLING PRECAUTIONS
(1) Do not apply rough force such as bending or twisting to the module during assembly.
(2) To assemble or install module into user’s system can be only in clean working areas. The dust and oil
may cause electrical short or worsen the polarizer.
(3) It’s not permitted to have pressure or impulse on the module because the LCD panel and Backlight will
be damaged.
(4) Always follow the correct power sequence when LCD module is connecting and operating. This can
prevent damage to the CMOS LSI chips during latch-up.
(5) Do not pull the I/F connector in or out while the module is operating.
(6) Do not disassemble the module.
(7) Use a soft dry cloth without chemicals for cleaning, because the surface of polarizer is very soft and
easily scratched.
(8) It is dangerous that moisture come into or contacted the LCD module, because moisture may damage
LCD module when it is operating.
(9) High temperature or humidity may reduce the performance of module. Please store LCD module within
the specified storage conditions.
(10) When ambient temperature is lower than 10ºC may reduce the display quality. For example, the
response time will become slowly, and the starting voltage of CCFL will be higher than room
temperature.
8.2 SAFETY PRECAUTIONS
(1) The startup voltage of Backlight is approximately 1000 Volts. It may cause electrical shock while
assembling with inverter. Do not disassemble the module or insert anything into the Backlight unit.
(2) If the liquid crystal material leaks from the panel, it should be kept away from the eyes or mouth. In
case of contact with hands, skin or clothes, it has to be washed away thoroughly with soap.
(3) After the module’s end of life, it is not harmful in case of normal operation and storage.
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9. PACKING
9.1 CARTON
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9.2 PALLET
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10. DEFINITION OF LABELS
10.1 CMO MODULE LABEL
The barcode nameplate is pasted on each module as illustration, and its definitions are as following explanation.