CMO N121IB-L04 Specification

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TFT LCD Tentative Specification

MODEL NO.: N121IB - L04

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Doc No.:

Issued Date: Apr, 03, 2008

Model No.: N121IB -L04

Tentative

Customer :

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Note :

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Doc No.:

Issued Date: Apr, 03, 2008

Model No.: N121IB -L04

Tentative

- CONTENTS -

REVISION HISTORY ------------------------------------------------------- 3

1. GENERAL DESCRIPTION ------------------------------------------------------- 4

1.1 OVERVIEW

1.2 FEATURES

1.3 APPLICATION

1.4 GENERAL SPECIFICATIONS

1.5 MECHANICAL SPECIFICATIONS

2. ABSOLUTE MAXIMUM RATINGS ------------------------------------------------------- 5

2.1 ABSOLUTE RATINGS OF ENVIRONMENT

2.2 ELECTRICAL ABSOLUTE RATINGS

2.2.1 TFT LCD MODULE

2.2.2 BACKLIGHT UNIT

3. ELECTRICAL CHARACTERISTICS ------------------------------------------------------- 7

3.1 TFT LCD MODULE

3.2 BACKLIGHT UNIT

4. BLOCK DIAGRAM ------------------------------------------------------- 10

4.1 TFT LCD MODULE

5. INPUT TERMINAL PIN ASSIGNMENT ------------------------------------------------------- 11

5.1 TFT LCD MODULE

5.2 TIMING DIAGRAM OF LVDS INPUT SIGNAL

5.3 COLOR DATA INPUT ASSIGNMENT

5.4 EDID DATA STRUCTURE

5.5 EDID SIGNAL SPECIFICATION

6. CONVERTER SPECIFICATION ------------------------------------------------------- 16

6.1 CONNECTOR TYPE

6.2 INPUT CONNECTOR PIN ASSIGNMENT

7. INTERFACE TIMING ------------------------------------------------------- 17

7.1 INPUT SIGNAL TIMING SPECIFICATIONS

7.2 POWER ON/OFF SEQUENCE

8. OPTICAL CHARACTERISTICS ------------------------------------------------------- 19

8.1 TEST CONDITIONS

8.2 OPTICAL SPECIFICATIONS

9. PRECAUTIONS ------------------------------------------------------- 22

9.1 HANDLING PRECAUTIONS

9.2 STORAGE PRECAUTIONS

9.3 OPERATION PRECAUTIONS

10. PACKING ------------------------------------------------------- 23

10.1 CARTON

10.2 PALLET

11. DEFINITION OF LABELS ------------------------------------------------------- 25

11.1 CMO MODULE LABEL

11.2 CARTON LABEL

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Doc No.:

Issued Date: Apr, 03, 2008

Model No.: N121IB -L04

Tentative

REVISION HISTORY

Version Date

Ver 0.0

Apr.03 ‘08

Page

(New)

All

Section Description

All

Tentative specification first issued.

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1 GENERAL DESCRIPTION

1.1 OVERVIEW

N121IB-L04 is a 12.1” TFT Liquid Crystal Display module with LED Backlight unit and 20 pins LVDS

interface. This module supports 1280 x 800 Wide-XGA mode and can display 262,144 colors. The optimum

viewing angle is at 6 o’clock direction. The converter module for Backlight is built in.

1.2 FEATURES

- VESA standard.

- WXGA (1280 x 800 pixels) resolution

- 3.3V LVDS (Low Voltage Differential Signaling) interface with 1 pixel/clock

- Meet RoHS requirement

- LED Backlight

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Doc No.:

Issued Date: Apr, 03, 2008

Model No.: N121IB -L04

Tentative

1.3 APPLICATION

- TFT LCD Notebook

1.4 GENERAL SPECIFICATI0NS

Item Specification Unit Note
Active Area 261.12 (H) x 163.2 (V) (12.1” diagonal) mm
Bezel Opening Area 263.67 (H) x 165.75 (V) mm
Driver Element a-si TFT active matrix - ­Pixel Number 1280 x R.G.B. x 800 pixel ­Pixel Pitch 0.204 (H) x 0.204 (V) mm ­Pixel Arrangement RGB vertical stripe - ­Display Colors 262,144 color ­Transmissive Mode Normally white - ­Surface Treatment Hard coating (3H), glare type - -

1.5 MECHANICAL SPECIFICATIONS

Item Min. Typ. Max. Unit Note

Horizontal(H) 275.3 275.8 276.3 mm
Vertical(V)

Module Size

Weight (w bracket+converter) 280 295 g

Note (1) Please refer to the attached drawings for more information of front and back outline dimensions.

(w bracket)
Vertical(V) 177.5 178 178.5 mm
Depth(D) - 4.9 5.2 mm

Weight - 270 285 g

189.0 189.6 190.2 mm

(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)
Operating Ambient Temperature TOP 0 +50 ºC (1), (2)
Shock (Non-Operating) S
Vibration (Non-Operating) V

Note (1) (a) 90 %RH Max. (Ta Љ 40 ºC).

(b) Wet-bulb temperature should be 39 ºC Max. (Ta > 40 ºC).

(c) No condensation.

Note (2) The temperature of panel display surface area should be 0 ºC Min. and 60 ºC Max.

Relative Humidity (%RH)

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Doc No.:

Issued Date: Apr, 03, 2008

Model No.: N121IB -L04

Tentative

Value

Min. Max.

- 200/2 G/ms (3), (5)

NOP

- 1.5 G (4), (5)

NOP

Unit Note

100

90

80

60

Operating Range

40

20
10

Storage Range

Temperature (ºC)

Note (3) 1 time for ± X, ± Y, ± Z. for Condition (200G / 2ms) is half Sine Wave,.

Note (4) 10 ~ 500 Hz, 30 min/cycle,1cycles for each X, Y, Z axis.

8060-20 400 20-40

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.

The fixing condition is shown as below:

t Room Temperature

Side Mount Fixing Screw

Gap=2mm

Bracket

LCD Module

Side Mount Fixing Screw

Stage

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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

2.2.2 BACKLIGHT UNIT

Item Symbol

LED Light Bar Power Supply
Voltage
LED Light Bar Power Supply
Current

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Value

Min. Max.

Value

Min. Max.

0 23.8 V

V

L

0 120 mA

I

L

Unit Note

Unit Note

Doc No.:

Issued Date: Apr, 03, 2008

Model No.: N121IB -L04

Tentative

(1)

(1), (2)

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 LED (Refer to Section 3.2 for further information).

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3 ELECTRICAL CHARACTERISTICS

3.1 TFT LCD MODULE

Parameter Symbol

Power Supply Voltage Vcc 3.0 3.3 3.6 V ­Ripple Voltage VRP - 100 mV ­Rush Current I
Initial Stage Current IIS 1.0 A (2)

Power Supply Current

LVDS Differential Input High Threshold V

LVDS Differential Input Low Threshold V

LVDS Common Mode Voltage VCM 1.125 1.375 V (5)
LVDS Differential Input Voltage |VID| 100 600 mV (5)
Terminating Resistor RT - 100 - Ohm ­Power per EBL WG P

Note (1) The ambient temperature is Ta = 25 ± 2 ºC.

White - (270) (300) mA (3)a
Black

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Min. Typ. Max.

- 1.2 1.5 A (2)

RUSH

lcc

TH(LVDS)

TL(LVDS)

- (TBD) W (4)

EBL

- (330) (360) mA (3)b

+100 mV

-100 mV

Value

Doc No.:

Issued Date: Apr, 03, 2008

Model No.: N121IB -L04

Tentative

Unit Note

(5),

=1.2V

V

CM

(5)

=1.2V

V

CM

Note (2) I

I

: the maximum current when VCC is rising

RUSH

: the maximum current of the first 100ms after power-on

IS

Measurement Conditions: Shown as the following figure. Test pattern: black.

(High to Low)

(Control Signal)

SW

+12V

+3.3V

R1

47K

R2

1K

47K

VR1

C1

1uF

Q1 2SK1475

C2

0.01uF

Q2

2SK1470

FUSE

C3

1uF

Vcc

(LCD Module Input)

VCC

0V

I

RUSH

470us

0.1Vcc

0.9Vcc

+3.3V

100ms

I

IS

ICC

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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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Doc No.:

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Model No.: N121IB -L04

Tentative

a. White Pattern

Active Area

Note (4) The specified power are the sum of LCD panel electronics input power and the converter input

power. Test conditions are as follows.

(a) Vcc = 3.3 V, Ta = 25 ± 2 ºC, f

(b) The pattern used is a black and white 32 x 36 checkerboard, slide #100 from the VESA file

“Flat Panel Display Monitor Setup Patterns”, FPDMSU.ppt.

(c) Luminance: 60 nits.

= 60 Hz,

v

b. Black Pattern

Active Area

(d) The converter used is provided from Sumida(CMO converter P/N:27-D016392).

Note (5) The parameters of LVDS signals are defined as the following figures.

CM

V

Single Ended

0V

V

Differential

0V

V

VID

VID

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Model No.: N121IB -L04

Tentative

3.2 BACKLIGHT UNIT Ta = 25 ± 2 ºC

Parameter Symbol

LED Quantity 42 Pcs (1),
LED light bar Power
Supply Voltage
LED light bar Power
Supply Current
LED Life Time LBL 12,000 - - Hrs (4)
Power Consumption Po - 2.35 2.5 W (3), IL = 105mA

Note (1) LED light bar configuration is shown as below:

22.4 23.8 V

V

L

-- 105 120 mA

I

L

Min. Typ. Max.

VL,I

Value

L

LED

Unit Note

dc

(1), (2)

Light Bar

Light Bar Feedback

Channels

Note (2) For better LED light bar driving quality, it is recommended to utilize the adaptive boost converter with

current balancing function to drive LED light-bar.

Note (3) P

O

= I

LVL

ParallelΚ6

SeriesΚ7

Note (4) The lifetime of LED is defined as the time when it continues to operate under the conditions at

Ta = 25 2oC and IL = 17.5 mA(Per EA) until the brightness becomes Љ 50% of its

original value.

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4 BLOCK DIAGRAM

4.1 TFT LCD MODULE

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Doc No.:

Issued Date: Apr, 03, 2008

Model No.: N121IB -L04

Tentative

LVDS Display

Data & Clock

Vcc

GND

Data

EDID

CLK

EDID

V

EDID

LED Power & Signal

INPUT CONNECTOR

Converter

LED

LVDS INPUT /

TIMING CONTROLLER

DC/DC CONVERTER &

REFERENCE VOLTAGE

GENERATOR

EDID

EEPROM

SCAN DRIVER IC

TFT LCD PANEL

(1280x3x800)

DATA DRIVER IC

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 VDD Power Supply +3.3 V ­3 VDD Power Supply +3.3 V ­4 V
5 TEST Panel Self Test
6 CLK
7 Data
8 Rxin0- LVDS Differential Data Input Negative

9 Rxin0+ LVDS Differential Data Input Positive
10 VSS Ground
11 Rxin1- LVDS Differential Data Input Negative
12 Rxin1+ LVDS Differential Data Input Positive
13 VSS Ground
14 Rxin2- LVDS Differential Data Input Negative
15 Rxin2+ LVDS Differential Data Input Positive
16 VSS Ground
17 CLK- LVDS Clock Data Input Negative
18 CLK+ LVDS Clock Data Input Positive
19 VSS Ground - ­20 VSS Ground - -

Note (1) Connector Part No.: DF19KR-20P-1H or equivalent

DDC +3.3 V

EDID

DDC Clock

EDID

DDC Data

EDID

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Doc No.:

Issued Date: Apr, 03, 2008

Model No.: N121IB -L04

Tentative

R0~R5,G0-

G1~G5,B0,B1

-

B2~B5,Hsync,Vsync,DE

LVDS Level

Note (2) User’s connector Part No: DF19G-20S-1C or equivalent

Note (3) The first pixel is odd as shown in the following figure.

5.2 TIMING DIAGRAM OF LVDS INPUT SIGNAL

CLK+

T/7

Rxin2

Rxin1

IN20 IN19 IN18 IN17 IN16 IN15 IN14

DE B5 B4 B3 B2 Vsync Hsync

IN13 IN12 IN11 IN10 IN9 IN8 IN7

B1 G4 G3 G2 G1 B0 G5

Rxin0

IN6 IN5 IN4 IN3 IN2 IN1 IN0

G0 R3 R2 R1 R0

R5

R4

Signal for 1 DCLK Cycle (T)

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5.3 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)

:

:
Red(61)
Red(62)
Red(63)
Green(0)/Dark
Green(1)
Green(2)

:

:
Green(61)
Green(62)
Green(63)
Blue(0)/Dark
Blue(1)
Blue(2)

:

:
Blue(61)
Blue(62)
Blue(63)

0

0

1

1

0

0

0

0

0

0

1

1

1

1

1

1

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

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Doc No.:

Issued Date: Apr, 03, 2008

Model No.: N121IB -L04

Tentative

Data Signal

Red Green Blue

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

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

1

1

1

1

1

1

0

0

0

0

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

0

0

0

0

0

0

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

1

0

0

0

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1

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0

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0

1

1

1

0

0

0

0

0

0

0

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1

1

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1

0

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0

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0

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0

1

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0

0

0

0

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1

1

1

1

1

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5.4 EDID DATA STRUCTURE

The EDID (Extended Display Identification Data) data formats are to support displays as defined in the

VESA Plug & Display and FPDI standards.

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Doc No.:

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Model No.: N121IB -L04

Tentative

Byte #
(decimal)

0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37

38

39
40

Byte #
(hex)

Field Name and Comments

0 Header
1 Header
2 Header
3 Header
4 Header
5 Header
6 Header
7 Header
8 EISA ID manufacturer name (“CMO”)

9 EISA ID manufacturer name (Compressed ASCII)
0A ID product code (N121IB-L04) 30
0B ID product code (hex LSB first; N121IB-L04) 12
0C ID S/N (fixed “0”)
0D ID S/N (fixed “0”)
0E ID S/N (fixed “0”)

0F ID S/N (fixed “0”)
10 Week of manufacture (fixed week code)
11 Year of manufacture (fixed year code)
12 EDID structure version # (“1”)
13 EDID revision # (“3”)
14 Video I/P definition (“digital”)
15 Max H image size (“26.112cm”)
16 Max V image size (“16.575cm”)
17 Display Gamma (Gamma = ”2.2”)
18 Feature support (“Active off, RGB Color”)

19 Rx1 Rx0 Ry1 Ry0 Gx1 Gx0 Gy1 Gy0 9F
1A Bx1 Bx0 By1 By0 Wx1 Wx0 Wy1 Wy0 05
1B Rx=0.588 96
1C Ry=0.337 56
1D Gx=0.315 50
1E Gy=0.534 88

1F Bx=0.152 27

20 By=0.125 20

21 Wx=0.313 50

22 Wy=0.329 54

23 Established timings 1

24 Established timings 2

25 Manufacturer’s reserved timings

26 Standard timing ID # 1

27 Standard timing ID # 1

28 Standard timing ID # 2

Value
(hex)

Value
(binary)

00 00000000
FF 11111111
FF 11111111
FF 11111111
FF 11111111
FF 11111111
FF 11111111

00 00000000
0D 00001101
AF 10101111

00110000

00010010
00 00000000
00 00000000
00 00000000
00 00000000

2D 00101101

10 00010000
01 00000001
03 00000011
80 10000000

1A 00011010

11 00010001
78 01111000

0A 00001010

10011111

00000101

10010110

01010110
01010000
10001000

00100111
00100000
01010000
01010100

00 00000000
00 00000000
00 00000000

01 00000001

01 00000001
01 00000001

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Model No.: N121IB -L04

Tentative

41
42
43
44
45
46
47
48
49
50
51
52
53

54

55
56
57
58
59
60
61
62
63
64

65

66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81

82 52 # 2 6th character of name (“B”)
83
84
85
86

29 Standard timing ID # 2
2A Standard timing ID # 3
2B Standard timing ID # 3
2C Standard timing ID # 4
2D Standard timing ID # 4
2E Standard timing ID # 5

2F Standard timing ID # 5

30 Standard timing ID # 6

31 Standard timing ID # 6

32 Standard timing ID # 7

33 Standard timing ID # 7

34 Standard timing ID # 8

35 Standard timing ID # 8

Detailed timing description # 1 Pixel clock (“71MHz”, According to VESA

36

CVT Rev1.1)
37 # 1 Pixel clock (hex LSB first)
38 # 1 H active (“1280”)
39 # 1 H blank (“160”)

3A # 1 H active : H blank (“1280 : 160”)
3B # 1 V active (”800”)
3C # 1 V blank (”23”)
3D # 1 V active : V blank (”800 :23”)
3E # 1 H sync offset (”48”)

3F # 1 H sync pulse width ("32”)
40 # 1 V sync offset : V sync pulse width (”3 : 6”)

# 1 H sync offset : H sync pulse width : V sync offset : V sync width (”48:
41

32 : 3 : 6”)
42 # 1 H image size (”260 mm”) 04
43 # 1 V image size (”170 mm”) AA
44 # 1 H image size : V image size (”260 : 170”)
45 # 1 H boarder (”0”)
46 # 1 V boarder (”0”)
47 # 1 Non-interlaced, Normal, no stereo, Separate sync, H/V pol Negatives
48 Detailed timing description # 2
49 # 2 Flag

4A # 2 Reserved
4B # 2 FE (hex) defines ASCII string (Model Name “N121IB-L04”, ASCII)
4C # 2 Flag
4D # 2 1st character of name (“N”)
4E # 2 2nd character of name (“1”)

4F # 2 3rd character of name (“2”)
50 # 2 4th character of name (“1”)
51 # 2 5th character of name (“I”)

53 # 2 7th character of name (“-”)
54 # 2 8th character of name (“L”)
55 # 2 9th character of name (“0”)
56 # 2 9th character of name (“4”)

01 00000001
01 00000001
01 00000001
01 00000001
01 00000001
01 00000001
01 00000001
01 00000001
01 00000001
01 00000001
01 00000001
01 00000001
01 00000001

BC 10111100

1B 00011011

00 00000000

A0 10100000

50 01010000
20 00100000
17 00010111
30 00110000
30 00110000
20 00100000
36 00110110

00 00000000

00000100

10101010
10 00010000
00 00000000
00 00000000
18 00011000
00 00000000
00 00000000
00 00000000

FE 11111110

00 00000000

4E 01001110

31 00110001
32 00110010
31 00110001
49 01001001
42 01000010

2D 00101101
4C 01001100

30 00110000
34 00110100

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87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127

57 # 2 New line character indicates end of ASCII string
58 # 2 Padding with “Blank” character

59 # 2 Padding with “Blank” character
5A Detailed timing description # 3
5B # 3 Flag
5C # 3 Reserved
5D # 3 FE (hex) defines ASCII string (Vendor “CMO”, ASCII)
5E # 3 Flag

5F # 3 1st character of string (“C”)

60 # 3 2nd character of string (“M”)

61 # 3 3rd character of string (“O”)

62 # 3 New line character indicates end of ASCII string

63 # 3 Padding with “Blank” character

64 # 3 Padding with “Blank” character

65 # 3 Padding with “Blank” character

66 # 3 Padding with “Blank” character

67 # 3 Padding with “Blank” character

68 # 3 Padding with “Blank” character

69 # 3 Padding with “Blank” character
6A # 3 Padding with “Blank” character
6B # 3 Padding with “Blank” character
6C Detailed timing description # 4
6D # 4 Flag
6E # 4 Reserved

6F # 4 FE (hex) defines ASCII string (Model Name“N121IB-L04”, ASCII)

70 # 4 Flag

71 # 4 1st character of name (“N”)

72 # 4 2nd character of name (“1”)

73 # 4 3rd character of name (“2”)

74 # 4 4th character of name (“1”)

75 # 4 5th character of name (“I”)

76 # 4 6th character of name (“B”)

77 # 4 7th character of name (“-”)

78 # 4 8th character of name (“L”)

79 # 4 9th character of name (“0”)
7A # 4 9th character of name (“4”)
7B # 4 New line character indicates end of ASCII string
7C # 4 Padding with “Blank” character
7D # 4 Padding with “Blank” character
7E Extension flag

7F Checksum

0A 00001010

20 00100000
20 00100000
00 00000000
00 00000000
00 00000000

FE 11111110

00 00000000

43 01000011
4D 01001101
4F 01001111
0A 00001010

20 00100000

20 00100000

20 00100000

20 00100000

20 00100000

20 00100000

20 00100000

20 00100000

20 00100000

00 00000000

00 00000000

00 00000000
FE 11111110

00 00000000
4E 01001110

31 00110001

32 00110010

31 00110001

49 01001001

42 01000010
2D 00101101
4C 01001100

30 00110000

34 00110100
0A 00001010

20 00100000

20 00100000

00 00000000

82 10000010

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6 CONVERTER output pin assignment

6.1 Connector type

Input connector type: Aces 87213 (or JST SM07B-SRSS-TB )

Output connector: FCI 59453-08111 DLF

6.2 Input connector pin assignment

Input Connector pin assignment:

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Doc No.:

Issued Date: Apr, 03, 2008

Model No.: N121IB -L04

Tentative

Input connector

Pin Function

1

2

3

4

5
6

7

NC Reserve

BL-ADJ(output) Brightness 20%min ~ 100% Max, 15KHz-25KHz.

SW5V LED driver board IC enable pin(High enable=5V, Low disable:0V)

GND Ground

GND Ground
VIN
VIN

Input voltage Power Supply (8~21V)

Input voltage Power Supply (8~21V)

Comments

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7 INTERFACE TIMING

7.1 INPUT SIGNAL TIMING SPECIFICATIONS

The input signal timing specifications are shown as the following table and timing diagram.

Signal Item Symbol Min. Typ. Max. Unit Note

DCLK Frequency 1/Tc (40) (71) (80) MHz (2)(3)

Vertical Total Time TV 802 823 (1023) TH -

Vertical Active Display Period TVD 800 800 800 TH -

DE

Note (1) Because this module is operated by DE only mode, Hsync and Vsync are ignored

Vertical Active Blanking Period TVB TV-TVD 23 TV-TVD TH

Horizontal Total Time TH 1380 1440 (1600) Tc (2)

Horizontal Active Display Period THD 1280 1280 1280 Tc (2)

Horizontal Active Blanking Period THB

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TH-THD

160

Doc No.:

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Model No.: N121IB -L04

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TH-THD

Tc (2)

DE

DCLK

DE

DATA

INPUT SIGNAL TIMING DIAGRAM

TC

HD

T

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7.2 POWER ON/OFF SEQUENCE

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Model No.: N121IB -L04

Tentative

Power Supply

for LCD, Vcc

- LVDS Interface

- Power for Light Bar

Timing Specifications:

0.5Љ t1 Љ 10 ms

0 Љ t2 Љ 50 ms

0 Љ t3 Љ 50 ms

0V

0V

Power On

90%

10%

Power Off

90%

t1

t3t2

Valid Data

t6t5

50%

ONOFF OFF

50%

Restart

t7

10%

t4

10%

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

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 5Љt7Љ300 ms.

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8 OPTICAL CHARACTERISTICS

8.1 TEST CONDITIONS

Item Symbol Value Unit
Ambient Temperature Ta 25r2
Ambient Humidity Ha 50r10 %RH
Supply Voltage VCC 3.3 V
Input Signal According to typical value in "3. ELECTRICAL CHARACTERISTICS"
LED Light Bar Input Current I

The measurement methods of optical characteristics are shown in Section 8.2. The following items

should be measured under the test conditions described in Section 8.1 and stable environment shown in

Note (6).

8.2 OPTICAL SPECIFICATIONS

Item Symbol Condition Min. Typ. Max. Unit Note

Contrast Ratio CR 200 300 - - (2), (5)

Response Time

Luminance of White (5P) L
White Variation

Red

Color
Chromaticity

Viewing Angle

Green

Blue

White

Horizontal

Vertical

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Model No.: N121IB -L04

Tentative

o

C

L

105

TR - 3 8 ms

- 7 12 ms

T

F

190 220 - cd/m2(4), (5)

AVE

GW

Rx

Ry
Gx
Gy

Bx

By

=0q, TY =0q

T

x

Viewing Normal Angle

- - 1.40 - (5), (6)
(0.580)
(0.340)
(0.310)

Typ.-

0.05

(0.550)
(0.155)

Typ.+

0.05

(0.135)

Wx (0.313) ­Wy

Tx+

T

x

TY+

T

Y

­CRt10

-

(0.329)
40 45 ­40 45 ­15 20 ­40 45 -

mA

-

-

-

-

-

-

-

Deg. (1), (5)

(3)

(1), (5)

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Note (1) Definition of Viewing Angle (Tx, Ty):

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Model No.: N121IB -L04

Tentative

Normal

Tx = Ty = 0º

Ty- Ty

TX- = 90º

6 o’clock

T

y- = 90º

x-

y-

Note (2) Definition of Contrast Ratio (CR):

The contrast ratio can be calculated by the following expression.

Contrast Ratio (CR) = L63 / L0

L63: Luminance of gray level 63

L 0: Luminance of gray level 0

CR = CR (5)

Tx-

Tx+

y+

12 o’clock direction

T

y+ = 90º

x+

TX+ = 90º

CR (X) is corresponding to the Contrast Ratio of the point X at Figure in Note (6).

Note (3) Definition of Response Time (T

Gray Level 63

100%

90%

Optical

Response

10%

0%

66.67ms

T

, TF):

R

R

Gray Level 0

T

F

66.67m

Gray Level 63

Time

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500

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Model No.: N121IB -L04

Tentative

Note (4) Definition of Average Luminance of White (L

Measure the luminance of gray level 63 at 5 points

L

= [L (1)+ L (2)+ L (3)+ L (4)+ L (5)] / 5

AVE

L (x) is corresponding to the luminance of the point X at Figure in Note (6).

Note (5) Measurement Setup:

The LCD module should be stabilized at given temperature for 15 minutes to avoid abrupt

temperature change during measuring. In order to stabilize the luminance, the measurement

should be executed after lighting Backlight for 15 minutes in a windless room.

LCD Module

LCD Panel

USB2000

AVE

):

CS-1000T

Center of the Screen

mm

Note (6) 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)]

D/4 D/2 3D/4

W/4

W/2

W

Vertical Line

3W/

1 2

3

Horizontal Line

D

5

Light Shield Room

(Ambient Luminance < 2 lux)

X

: Test Point

X=1 to 5

4

Active Area

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9 PRECAUTIONS

9.1 HANDLING PRECAUTIONS

(1) The module should be assembled into the system firmly by using every mounting hole. Be careful not

to twist or bend the module.

(2) While assembling or installing modules, it can only be in the clean area. The dust and oil may cause

electrical short or damage the polarizer.

(3) Use fingerstalls or soft gloves in order to keep display clean during the incoming inspection and

assembly process.

(4) Do not press or scratch the surface harder than a HB pencil lead on the panel because the polarizer is

very soft and easily scratched.

(5) If the surface of the polarizer is dirty, please clean it by some absorbent cotton or soft cloth. Do not use

Ketone type materials (ex. Acetone), Ethyl alcohol, Toluene, Ethyl acid or Methyl chloride. It might

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Model No.: N121IB -L04

Tentative

permanently damage the polarizer due to chemical reaction.

(6) Wipe off water droplets or oil immediately. Staining and discoloration may occur if they left on panel for

a long time.

(7) If the liquid crystal material leaks from the panel, it should be kept away from the eyes or mouth. In

case of contacting with hands, legs or clothes, it must be washed away thoroughly with soap.

(8) Protect the module from static electricity, it may cause damage to the C-MOS Gate Array IC.

(9) Do not disassemble the module.

(10) Do not pull or fold the lamp wire.

(11) Pins of I/F connector should not be touched directly with bare hands.

9.2 STORAGE PRECAUTIONS

(1) High temperature or humidity may reduce the performance of module. Please store LCD module within

the specified storage conditions.

(2) It is dangerous that moisture come into or contacted the LCD module, because the moisture may

damage LCD module when it is operating.

(3) It may reduce the display quality if the ambient temperature is lower than 10 ºC. For example, the

response time will become slowly, and the starting voltage of lamp will be higher than the room

temperature.

9.3 OPERATION PRECAUTIONS

(1) Do not pull the I/F connector in or out while the module is operating.

(2) Always follow the correct power on/off sequence when LCD module is connecting and operating. This

can prevent the CMOS LSI chips from damage during latch-up.

(3) The startup voltage of Backlight is approximately 1000 Volts. It may cause electrical shock while

assembling with converter. Do not disassemble the module or insert anything into the Backlight unit.

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10 PACKING

10.1 CARTON

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Figure. 10-1 Packing method

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10.2 3$//(7 

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Figure. 10-2 Packing method



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11 DEFINITION OF LABELS

11.1 CMO MODULE LABEL

The barcode nameplate is pasted on each module as illustration, and its definitions are as following

explanation.

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Model No.: N121IB -L04

Tentative

N121IB-L04

(a) Model Name: N121IB - L04

(b) Revision: Rev. XX, for example: C1, C2 …etc.

(c) Serial ID: X X

(d) Production Location: MADE IN XXXX. XXXX stands for production location.

(e) UL/CB logo: “LEOO” especially stands for panel manufactured by CMO Ningbo satisfying UL/CB

requirement. “LEOO” is the CMO’s UL factory code for Ningbo factory.

X X X X X Y M D X N N N N

MADE IN XXXX

LEOO

Serial No.

CMO Internal Use

Year, Month, Date

CMO Internal Use

Revision

CMO Internal Use

Serial ID includes the information as below:

(a) Manufactured Date: Year: 1~9, for 2001~2009

Month: 1~9, A~C, for Jan. ~ Dec.

Day: 1~9, A~Y, for 1

(b) Revision Code: cover all the change

(c) Serial No.: Manufacturing sequence of production

st

to 31st, exclude I , O and U

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11.2 CARTON LABEL

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(a) Production location: Made in XXXX. XXXX stands for production location.

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