Datasheet N-121IB-L04 Datasheet (Chi Mei Optoelectronics)

Doc No.: 44085114

A

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

TFT LCD Preliminary Specification

MODEL NO.: N121IB - L04

Customer :

pproved by :

Note :

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記錄 工作 審核 角色 投票

2008-07-14

19:48:02 CST

PMMD III

Director

annie_hsu(徐凡

琇/56522 /

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Version 1.0

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

- 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 CHARAC TERISTICS -------------------------- ----------------------------- 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 DAT A 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

6.3 INPUT ELECTRICAL CHARACTERISTICS OF CONVERTER

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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2 / 27

Version 1.0

Version Date

Ver 0.0

Apr.03 ‘08

Page

(New)

All

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

REVISION HISTORY

Section Description

All

Tentative specification first issued.

Ver 1.0

Jul. 02 ‘08

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All

All

Preliminary specification first issued.

Version 1.0

3 / 27

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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) re solution

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

- Meet RoHS requirement

- LED Backlight

1.3 APPLICA TION

- 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 Arrange ment RGB vertic al stripe - ­Display Colors 262,144 color ­Transmissive Mode Normally white - ­Surface Treatment Hard coating (3H), glare type - -

1.5 MECHANICAL SPECIFICATIONS

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.

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Item Min. Typ. Max. Unit Note

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

4 / 27

Version 1.0

Doc No.: 44085114

A

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

2 ABSOLUTE MAXIMUM RATINGS

2.1 ABSOLUTE RATINGS OF ENVIRONMENT

Item Symbol

Storage Temperature TST -20 +60 ºC (1)
Operating Ambient T emperature TOP 0 +50 ºC (1), (2)
Shock (Non-Operating) S
Vibration (Non-Operating) V

Note (1) (a) 90 %RH Max. (Ta ≦ 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)

100

90

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

NOP

- 1.5 G (4), (5)

NOP

Min. Max.

Value

Unit Note

80

60

40

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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.

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.

20
10

Operating Range

Storage Range

8060 -20 400 20-40

Temperature (ºC)

The fixing condition is shown as below:

t Room Temperature

Side Mount Fixing Screw

Gap=2mm

Version 1.0

Bracket

5 / 27

LCD Module

Side Mount Fixing Screw

Stage

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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

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 Co nditions.

Min. Max.

0 23.8 V

V

L

0 120 mA

I

L

Value

Value

Min. Max.

Unit Note

(1)

Unit Note

(1), (2)

Note (2) Specified values are for LED (Refer to Section 3.2 for further information).

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6 / 27

Version 1.0

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

3 ELECTRICAL CHARACTERISTICS

3.1 TFT LCD MODULE

Parameter Symbol

Min. Typ. Max.
Power Supply V oltage Vcc 3.0 3.3 3.6 V ­Ripple Voltage VRP - 100 mV ­Rush Current I

- 1.2 1.5 A (2)

RUSH

Initial Stage Current IIS 1.0 A (2)
Power Supply Current

LVDS Differential Input High Threshold V
LVDS Differential Input Low Threshold V

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

lcc

TH(LVDS)

TL(LVDS)

- (330) (360) mA (3)b
+100 mV

-100 mV

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

- (1.73) W (4)

EBL

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

Value

Unit Note

V

CM

V

CM

(5),

=1.2V

(5)

=1.2V

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.

+3.3V

Q1 2SK1475

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(High to Low)

(Control Signal)

SW

+12V

C1

1uF

VR1

R1

47K

R2

1K

47K

0.01uF

Q2

2SK1470

C2

FUSE

0.9Vcc

0V

470us

0.1Vcc

+3.3V

100ms

I

RUSH

C3
1uF

I

IS

Vcc

(LCD Module Input)

VCC

ICC

7 / 27

Version 1.0

Doc No.: 44085114

|

|

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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.

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

a. White Pattern

Active Area

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.

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

= 60 Hz,

v

b. Black Pattern

Active Area

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

Single Ended

Differential

CM

V

0V

V

0V

V

VID|

VID|

8 / 27

Version 1.0

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

3.2 BACKLIGHT UNIT Ta = 25 ± 2 ºC

Parameter Symbol
LED Quantity 42 Pcs (1),

LED light bar Power
Supply Volt age
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

V

22.4 23.8 Vdc

L

I

-- 105 120 mA

L

Min. Typ. Max.

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

Value

Unit Note

(1), (2)

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.

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Note (3) P

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= IL ×V

O

L

Light Bar Feedback
Channels

V

L, IL

LED
Light Bar
Parallel：6
Series：7

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

Ta = 25 ±2 oC and IL = 17.5 mA(Per EA) until the brightness becomes ≦ 50% of its
original value.

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Version 1.0

4 BLOCK DIAGRAM

4.1 TFT LCD MODULE

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

LVDS Display
Data & Clock

Vcc

GND

Data

EDID

CLK

EDID

V

EDID

Converter
Input Signals

LVDS INPUT /

TIMING CONTROLLER

INPUT CONNECTOR

DC/DC CONVERTER &

REFERENCE VOLTAGE

LED

Converter

GENERATOR

EDID

EEPROM

SCAN DRIVER IC

TFT LCD PANEL

(1280x3x800)

DA TA DRIVER IC

BACKLIGHT UNIT

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10 / 27

Version 1.0

y

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

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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.

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5.2 TIMING DIAGRAM OF LVDS INPUT SIGNAL

CLK+

Rxin2

Rxin1

Rxin0

T/7

IN20 IN19 IN18 IN17 IN16 IN15 IN14

DE B5 B4 B3 B2 Vs

IN13 IN12 IN11 IN10 IN9 IN8 IN7

B1 G4 G3 G2 G1 B0 G5

IN6 IN5 IN4 IN3 IN2 IN1 IN0

nc Hsync

Signal for 1 DCLK Cycle (T)

R3 R2 R1 R0 R5 R4

11 / 27

Version 1.0

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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.

Data Signal

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)

:

:

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

:

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

0
1
0
0
0
1
1
1
0
0
0

:

:
1
1
1
0
0
0

:

:
0
0
0
0
0
0

:

:
0
0
0

Red Green Blue

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

1

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

1

1

1

1

0

0

0

0

0

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

0

0

0

0

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

0

0

0

0

0

0

0

0

0

0

1

0

0

0

0

0

0

0

0

0

0

0

:

:

:

:

:

:

:

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:

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1

1

1

0

1

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

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

0

0

0

0

0

0

0

0

0

0

0

1

0

0

0

0

0

0

0

0

0

0

0

0

0

1

0

0

0

0

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0

0

0

0

0

1

1

1

1

0

1

0

0

0

0

0

0

0

0

0

1

1

1

1

1

0

0

0

0

0

0

0

0

0

0

1

1

1

1

1

1

0

0

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:

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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

1

1

1

1

0

0

0

0

0

0

0

0

0

0

0

1

1

1

1

0

0

0

0

0

0

1

1

1

1

1

1

0

0

1

1

0

0

0

0

0

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0

0

0

0

0

0

0

0

0

0

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0

0

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1

1

0

1

1

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Version 1.0

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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.

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

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)

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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 61
1A Bx1 Bx0 By1 By0 Wx1 Wx0 Wy1 Wy0 C5
1B Rx=0.588 8F

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

1B 00011011

12 00010010
01 00000001
03 00000011
80 10000000

1A 00011010

11 00010001
78 01111000

0A 00001010

01100001
11000101

10001111
28
29

30
31
32
33
34
35
36
37

38

Ry=0.337

1C
1D Gx=0.315 57
1E Gy=0.534 8F

1F Bx=0.152 28
20 By=0.125 23
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

59

00 00000000
00 00000000
00 00000000

01 00000001

01011001

01010111

10001111

00101000

00100011

01010000
01010100

13 / 27

Version 1.0

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

39
40
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

27 Standard timing ID # 1
28 Standard timing ID # 2

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”)

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40 # 1 V sync offset : V sync pulse width (”3 : 6”)

# 1 H sync offset : H sync pulse width : V sync offset : V sync wi dth (”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 (Mod el 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”)

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
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

14 / 27

Version 1.0

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

85
86
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

55 # 2 9th character of name (“0”)
56 # 2 9th character of name (“4”)
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

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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

30 00110000
34 00110100

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

02 00000010

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Version 1.0

6. CONVERTER SPECIFICATION

6.1 CONVERTER INPUT CONNECTOR PIN ASSIGNMENT

Pin Symbol Description

1
2
3
4
5

6
7

Note(1) Connector Part No: Aces 87213 or equivalent

6.2 ABSOLUTE MAXIMUM RATINGS

Symbol Ratings

Gnd +/-0.3V

PWM, EN -0.3V~6.0V

Reserved Reserved

PWM PWM control pin for dimming brightness

EN H: backlight on L: backlight off.
Gnd Ground
Gnd Ground

Vin

Vin

Vin 40.0V

Power supply pin
Power supply pin

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

6.3 RECOMMENDED OPERATING RATINGS

Value

Unit Note

Parameter Symbol
Converter Input Power Supply Voltage Vin (8.0) 12.0 (20.0) V
EN Control Level

PWM Control Level
PWM Control Duty Ratio (20) 100 %

PWM Control Frequency f
Converter Input Current

Note (1) The specified LED power supply current is under the conditions at Vin = 8V, Ta = 25 ± 2 ºC, f

Note (2) The specified LED power supply current is under the conditions at Vin = 20V, Ta = 25 ± 2 ºC, f

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Backlight on 2.0 --- 5.5 V
Backlight off
PWM High Level 2.0 --- 5.5 V
PWM Low Level

Vin=8V (308) (406) mA (1)
Vin=20V

200 Hz, Duty=100%.

PWM

IBL

200 Hz, Duty=100%.

Min. Typ. Max.

0 --- 0.8 V
0 --- 0.8 V

(190) (210) (230) Hz

(162) (147) mA (2)

PWM

=

PWM

=

16 / 27

Version 1.0

6 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 (67.45) (71) (74.55) MHz (2)(3)

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 Active Display Period THD 1280 1280 1280 Tc (2)

Horizontal Active Blanking Period THB

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

Vertical Total Time TV 802 823 (1023) TH -

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

TH-THD

160

TH-THD

Tc (2)

INPUT SIGNAL TIMING DIAGRAM

DE

DCLK

DE

DATA

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TC

T

HD

17 / 27

Version 1.0

7.2 POWER ON/OFF SEQUENCE

Power On

90%

Power Off

90%

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

Restart

t7

Power Supply

for LCD, Vcc

- L VDS Interface

- Power for Backlight

Timing Specifications:

0.5 ≦ t1 ≦ 10 ms
0 ≦ t2 ≦ 50 ms
0 ≦ t3 ≦ 50 ms

t4 ≧ 500 ms

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t5 ≧ 200 ms
t6 ≧ 200 ms

0V

0V

10%

t1

50%

Valid Data

t6 t5

50%

ONOFF OFF

10%

t4

t3 t2

10%

Note (1) Please follow the power on/off sequence described above. Otherwise, the LCD module might be

damaged.

Note (2) Please avoid floating state of interface signal at invalid period. When the interface signal is invalid, be

sure to pull down the power supply of LCD Vcc to 0 V.

Note (3) The Backlight converter power must be turned on after the power supply for the logic and the

interface signal is valid. The Backlight converter 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 (1ms)≦t7≦300 ms.

18 / 27

Version 1.0

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

7 OPTICAL CHARACTERISTICS

8.1 TEST CONDITIONS

Item Symbol Value Unit
Ambient Temperature Ta 25±2
Ambient Humidity Ha 50±10 %RH
Supply Volt age VCC 3.3 V
Input Signal According to typical value in "3. ELECTRICAL CHARACTERISTICS"
LED Light Bar Input Current IL

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).

105

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

Color
Chromaticity

Viewing Angle

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Green

White

Horizontal

Vertical

Red

Blue

TR - 3 8 ms
T

- 7 12 ms

F

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

AVE

δW

Rx

Ry
Gx
Gy

Bx

By

Wx (0.313) ­Wy

θ

+

x

θ

-

x

θ

+

Y

-

θ

Y

θ

=0°, θY =0°

x

Viewing Normal Angle

CR≥10

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

Typ.-

0.05

(0.550)
(0.155)
(0.135)

(0.329)

40 45 ­40 45 ­15 20 ­40 45 -

Typ.+

0.05

o

C

mA

(3)

-

-

-

­(1), (5)

-

-

-

Deg. (1), (5)

19 / 27

Version 1.0

Note (1) Definition of Viewing Angle (θx, θy):

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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

θX- = 90º

6 o’clock

θ

y- = 90º

The contrast ratio can be calculated by the following expression.

x-

y-

Normal

θx = θy = 0º

θy- θy+

θx-

θx+

y+

12 o’clock direction

θ

y+ = 90º

x+

θX+ = 90º

Contrast Ratio (CR) = L63 / L0

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L63: Luminance of gray level 63

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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 (6).

Note (3) Definition of Response Time (T

100%

90%

Optical

Response

10%

0%

Gray Level 63

R

T

R

, TF):

Gray Level 0

Gray Level 63

Time

T

F

66.67ms

66.67m

20 / 27

Version 1.0

Doc No.: 44085114

500

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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

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Note (6) Definition of White Variation (δW):

Measure the luminance of gray level 63 at 5 points
δW = Maximum [L (1), L (2), L (3), L (4), L (5)] / Minimum [L (1), L (2), L (3), L (4), L (5)]

W

W/4

W/2

3W/

Vertical Line

mm

Horizontal Line

D

D/4 D/2 3D/4

1 2

5

3

4

Light Shield Room
(Ambient Luminance < 2 lux)

X

: Test Point
X=1 to 5

Active Area

21 / 27

Version 1.0

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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
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 a way thoroug hly 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.

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(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.

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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.

22 / 27

Version 1.0

10 PACKING

10.1 CARTON

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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Figure. 10-1 Packing method

23 / 27

Version 1.0

10.2 PALLET

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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Figure. 10-2 Packing method

24 / 27

Version 1.0

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.

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

N121IB-L04

(a) Model Name: N121IB - L04
(b) Revision: Rev. XX, for example: C1, C2 …etc.
(c) Serial ID: X X

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(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

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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. ~ De c.

Day: 1~9, A~Y, for 1
(b) Revision Code: cover all the change
(c) Serial No.: Manufacturing sequence of production

Version 1.0

st

to 31st, exclude I , O and U

25 / 27

11.2 CARTON LABEL

Doc No.: 44085114

Issued Date: July 02, 2008

Model No.: N121IB - L04

Preliminary

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

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26 / 27

Version 1.0

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