HITACHI TX31D37VM0CAA Specification

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CUSTOMER’S ACCEPTANCE SPECIFICATIONS

TX31D37VM0CAA

DATE :Aug. 27th,2012

Contents

No. ITEM SHEET No. PAGE

1 COVER 7B64PS 2701-TX31D37VM0CAA-3 1-1/1

2 RECORD OF REVISION 7B64PS 2702-TX31D37VM0CAA-3 2-1/1

3 GENERAL DATA 7B64PS 2703-TX31D37VM0CAA-3 3-1/1

4 ABSOLUTE MAXIMUM RATINGS 7B64PS 2704-TX31D37VM0CAA-3 4-1/1

5 ELECTRICAL CHARACTERISTICS 7B64PS 2705-TX31D37VM0CAA-3 5-1/1

6 OPTICAL CHARACTERISTICS 7B64PS 2706-TX31D37VM0CAA-3 6-1/2~2/2

7 BLOCK DIAGRAME 7B64PS 2707-TX31D37VM0CAA-3 7-1/1

8 RELIABILITY TESTS 7B64PS 2708-TX31D37VM0CAA-3 8-1/1

9 LCD INTERFACE 7B64PS 2709-TX31D37VM0CAA-3 9-1/10~10/10

10 OUTLINE DIMENSIONS 7B64PS 2710-TX31D37VM0CAA-3 10-1/2~2/2

11 APPEARANCE STANDARD 7B64PS 2711-TX31D37VM0CAA-3 11-1/3~3/3

12 PRECAUTIONS 7B64PS 2712-TX31D37VM0CAA-3 12-1/2~2/2

13 DESIGNATION OF LOT MARK 7B64PS 2713-TX31D37VM0CAA-3 13-1/1

ACCEPTED BY: PROPOSED BY:

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2. RECORD OF REVISION

DATE SHEET No. SUMMARY

May 01,’12 All pages Company name changed:

KAOHSIUNG HITACHI ELECTRONICS CO.,LTD.

p

KAOHSIUNG OPTO-ELECTRONICS INC.
7B64PS-2704­TX31D37VM2CAA-2
Page 4-1/1

4. ABSOLUTE MAXIMUM RATINGS
Revised : Note2.

Aug. 27,’12 7B64PS-2710-

TX31D37VM0CAA-3
Page 10-1/2

7B64PS-2710­TX31D37VM0CAA-3
Page 10-2/2

10.1 Front View
Revised烉Define scales with correct scan direction (180± rotated).

10.2 Rear View
Revised烉Define scales with correct scan direction (180± rotated).

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3. GENERAL DATA

3.1 DISPLAY FEATURES

This module is a 12.1” SVGA of 4:3 format amorphous silicon TFT. The pixel format is vertical stripe
and sub pixels are arranged as R (red), G (green), B (blue) sequentially. This display is RoHS
compliant, COG (chip on glass) technology and LED backlight are applied on this display.

Part Name TX31D37VM0CAA

Module Dimensions 280.0(W) mm x 210.0(H) mm x 12.58 (D) mm typ.

LCD Active Area 246.0(W) mm x 184.5(H) mm

Pixel Pitch 0.3075(W) mm x 0.3075 (H) mm

Resolution 800 x 3(RGB)(W) x 600(H) dots

Color Pixel Arrangement R, G, B Vertical stripe

LCD Type Transmissive Color TFT; Normally Black

Display Type Active Matrix

Number of Colors 16.7M Colors

Backlight 24 LEDs (3 series x 8)

Weight 710 typ. (g)

Interface LVDS; 20 pins

Power Supply Voltage 3.3V for LCD; 12V for Backlight

Power Consumption 1.815W for LCD; 9.6W for Backlight

Viewing Direction

Super Wide Version (In-Plane Switching)

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4. ABSOLUTE MAXIMUM RATINGS

Item Symbol Min. Max. Unit Remarks

Supply Voltage VDD 0 4.0 V -

Input Voltage of Logic VI -0.3 VDD+0.3 V Note 1

Operating Temperature Top -20 70

Storage Temperature Tst -30 80

Backlight Input Voltage VLED - 15 V -

Note 1: The rating is defined for the signal voltages of the interface such as CLK and pixel data pairs.

Note 2: The maximum rating is defined as above based on the chamber temperature, which might be

different from ambient temperature after assembling the panel into the application. Moreover,
some temperature-related phenomenon as below needed to be noticed:

- Background color, contrast and response time would be different in temperatures other than

$

.

25

C

$

Note 2

C

$

Note 2

C

- Operating under high temperature will shorten LED lifetime.

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5. ELECTRICAL CHARACTERISTICS

5.1 LCD CHARACTERISTICS

Item

Power Supply Voltage VDD - 3.0 3.3 3.6 V -

Differential Input

Voltage for LVDS

Receiver Threshold

Voltage Input for

AMode

Power Supply Current I

Vsync Frequency

Hsync Frequency

CLK Frequency

Symbol

VI

VF

DD

f

- - 60 75 Hz -

v

- - 37.7 50.6 KHz

f

f

- 37 40 43 MHz

CLK

Condition Min. Typ. Max. Unit Remarks

“H” level - - +100

“L” level -100 - -

“H” level 0.7VDD - VDD

“L” level 0 - 0.3VDD

IVDD=3.3V - 550 600 mA Note 2

$

a

mV Note 1

V

Note 1: VCM=+1.2V

VCM is common mode voltage of LVDS transmitter/receiver.

The input terminal of LVDS transmitter is terminated with 100.

Note 2: An all white check pattern is used when measuring IDD.

IN+

100

IN-

f

is set to 60 Hz.

v

LVDS

Receiver

Note 3: For LVDS transmitter input.

0VVSS,25 CT

COMS

Level

Note 3

Note 4: 1.0A fuse is applied in the module for IDD. For display activation and protection purpose, power

supply is recommended larger than 2.5A to start the display and break fuse once any short
circuit occurred.

5.2 BACKLIGHT CHARACTERISTICS

Item

LED Input Voltage VLED - 11.7 12 12.3 V Note1

LED Forward Current

(Dim Control)

LED lifetime - 800 mA - 70K - hrs Note 3

Symbol

ILED

Condition Min. Typ. Max. Unit Remarks

0V; 0% duty - 800 -

mA Note 2

3.3VDC; 100% duty - 60 72

25

a

Note 1: As Fig. 5.1 shown, LED current is constant, 800 mA, controlled by the LED driver when

applying 12V VLED.

Note 2: Dimming function can be obtained by applying DC voltage or PWM signal from the display

interface CN1. The recommended PWM signal is 1K ~ 10K Hz with 3.3V amplitude.

Note 3: The estimated lifetime is specified as the time to reduce 50% brightness by applying 800 mA at

$

25

.

C

$

CT

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6. OPTICAL CHARACTERISTICS

The optical characteristics are measured based on the conditions as below:

- Supplying the signals and voltages defined in the section of electrical characteristics.

- The backlight unit needs to be turned on for 30 minutes.

$

- The ambient temperature is 25

- In the dark room around 500~1000 lx, the equipment has been set for the measurements as shown in
Fig 6.1.

3.3V

Item

Symbol

Brightness of White -

Brightness Uniformity - 70 - - % Note 2

Contrast Ratio CR 500 1000 - - Note 3

Response Time

Rising + Falling

(

)

x

T

Viewing Angle

X

Red

Y 0.30 0.35 0.40

.

C

$

fCT ,

va

VDDHz, 60 25

Condition Min. Typ. Max. Unit Remarks

$$

,

0,0

TI

480 600 -

2

cd/m

Note 1

ILED= 90

mA/series

TT 

fr

c

x

y

c

y

$

I

$

I

$

I

I

$

$$

- 30 65 ms Note 4

0,0

TI

75 85 -

10 CR ,0 t

75 85 -

10 CR ,180 t

Degree Note 5

75 85 -

10 CR ,90 t

75 85 -

10 CR ,270 t

0.58 0.63 0.68

Green

X 0.28 0.33 0.38

Color

Chromaticity

Y 0.57 0.62 0.67

X 0.10 0.15 0.20

$$

0,0

TI

- Note 6

Blue

Y 0.07 0.12 0.17

X 0.28 0.33 0.38

White

Y 0.33 0.38 0.43

Note 1: The brightness is measured from the panel center point, P5 in Fig. 6.2, for the typical value.

Note 2: The brightness uniformity is calculated by the equation as below:

uniformity Brightness u

Brightness Min.

Brightness Max.

100%

, which is based on the brightness values of the 9 points measured by BM-5 as shown in Fig. 6.2.

Photo Detector: BM-5

85%

$

1

Field:

Distance: 500 mm

LCD panel

Fig. 6.1 Fig. 6.2

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15%

123

6 54

789

15%

烉

measuring points

50%

85%

50%

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Note 3: The Contrast Ratio is measured from the center point of the panel, P5, and defined as the

following equation:

CR

Whiteof Brightness

Black of Brightness

Note 4: The definition of response time is shown in Fig. 6.3. The rising time is the period from 10%

brightness to 90% brightness when the data is from black to white. Oppositely, Falling time is
the period from 90% brightness falling to 10% brightness.

Fig 6.3

Note 5: The definition of viewing angle is shown in Fig. 6.4. Angle I is used to represent viewing

directions, for instance,
angle

is used to represent viewing angles from axis Z toward plane XY.

I

means 6 o’clock, and

$

270

$

means 3 o’clock. Moreover,

0

I

The display is super wide viewing angle version, so that the best optical performance can be

obtained from every viewing direction.

Ż

ľġViewing angle

90$

I

12 o'clock

180$

I

9 o'clock

ź

,0)y(x,

0$

I

xx'

3 o'clock

270

I

6 o'clock

$

źĨ

ŻĨ

Fig 6.4

Note 6: The color chromaticity is measured from the center point of the panel, P5, as shown in Fig. 6.2.

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7. BLOCK DIAGRAM

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Note1: Signals are CLK and pixel data pairs.

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8. RELIABILITY TESTS

Test Item Condition

High Temperature

Low Temperature

High Temperature

Low Temperature

Heat Cycle

Thermal Shock

High Temperature &

Humidity

Vibration

Mechanical Shock

ESD

1) Operating

$

70

2)

C

1) Operating

$

2) -20

C

1) Storage

$

2) 80

C

1) Storage

$

2) -30

C

1) Operating

$

2) –20 l C

3) 1hr~2hr~1hr

1) Non-Operating

$

2) -35 l C

3) 0.5 hr

1) Operating

$

2) 40

C

3) Without condensation
(Note3)

1) Non-Operating

2) 10㹼150 Hz

3) 3G

4) X, Y, and Z directions

1) Non-Operating

2) 10 ms

3) 50G

4)

1) Operating

2) Tip: 150 pF, 330

3) Air discharge for glass:

4) Contact discharge for metal frame:

$

70

C

$

85

C

l

0.5 hr

85%RH

and Zrdirections

YX, rr

:

240 hrs

240 hrs

240 hrs

240 hrs

240 hrs

240 hrs

240 hrs

1hr for each direction

Once for each direction

r

8KV

r

8KV

1) Glass: 9 points

2) Metal frame: 8 points
(Note4)

Note 1: Display functionalities are inspected under the conditions defined in the specification after the

reliability tests.

Note 2: The display is not guaranteed for use in corrosive gas environments.

Note 3: Under the condition of high temperature & humidity, if the temperature is higher than 40ɗ, the

humidity needs to be reduced as Fig. 8.1 shown.

r

Note 4: All pins of LCD interface(CN1) have been tested by

100V contact discharge of ESD under

non-operating condition.

90
80
70
60
50
40
30
20
10

0

Relative Humidity RH (%)

20 25 30 35 40 45 50 55 60 65 70 75

$

Temperature Ta

Fig. 8.1

C)(

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9. LCD INTERFACE

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9.1 INTERFACE PIN CONNECTIONS

The display interface connector (CN1) is FI-SEB20P-HF13E made by JAE and Pin assignment is as
below:

Pin No. Symbol Signal Pin No. Symbol Signal

1 VDD

2 VDD 12 IN2+

3 VSS

4 VSS 14 CLK IN-

5

6

7

8

9

10

IN0-

IN0+

VSS GND

IN1-

IN1+

VSS GND

Power Supply for Logic

GND

Pixel data

Pixel data

11

13 VSS GND

15 CLK IN+

16 VSS GND

17 IN3-

18 IN3+

19 AMODE LVDS Data Mapping Setting

20 DIM Note 2

IN2-

Pixel data

Pixel Clock

Pixel Clock

Note 1: IN n- and IN n+ (n=0, 1, 2), CLK IN- and CLK IN+ should be wired by twist-pairs or side-by-side

FPC patterns, respectively.

Note 2: Normal brightness: 0V or 0% PWM duty; Brightness control: 0V to 3.3V DC or 0% to 100%
PWM duty.

The backlight connector (CN2) is SM02(8.0)B-BHS-1-TB(LF)(SN), and pin assignment is as below:

Pin No. Signal Signal

1 VLED 12VDC

2 GND Ground

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9.2 LVDS INTERFACE

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荝 6Bit Mode
AMODE=High & Low

Controller

R0-R5,G0

G1-G5,B0,B1

B2-B5,NA,NA,DE

ALL Low (GND)

CK

7 TA0-6

7 TB0-6

7 TC0-6

7 TD0-6

CLK IN

TFT

LVDS

Parallel-to-

2)

THC63LVDM83D

TFT

LVDS

Parallel-to-

PLL

CN1

1)

IN0+
IN0-

IN1+
IN1-

IN2+
IN2-

IN3+
IN3-

CLK IN+

CLK IN-

TFT

LVDS

Parallel-to-

3)

THC63LVDM84B

TFT

LVDS

Parallel-to-

PLL

CK OUT

RA0-6

RB0-6

RC0-6

RD0-6

LCD Panel

controller

Note 1: LVDS cable impedance should be 100 ohms per signal line when each

2-lines(+,-) is used in differential mode.

Note 2: Transmitter Made by Thine : THC63LVDM83D equivalent.

Transmitter is not contained in Module.

Note 3: Receiver : with built-in TCON IC.

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9.3 DATA MAPPING

1) 8 Bit Mode

Transmitter AMODE

Pin No. Data =Low =High

51 TA0 R0 (LSB) R2
52 TA1 R1 R3
54 TA2 R2 R4
55 TA3 R3 R5
56 TA4 R4 R6

3 TA5 R5 R7 (MSB)
4 TA6 G0 (SLB) G2
6 TB0 G1 G3

7 TB1 G2 G4
11 TB2 G3 G5
12 TB3 G4 G6
14 TB4 G5 G7 (MSB)
15 TB5 B0 (LSB) B2
19 TB6 B1 B3
20 TC0 B2 B4
22 TC1 B3 B5
23 TC2 B4 B6
24 TC3 B5 B7 (MSB)
27 TC4 (NA) (NA)
28 TC5 (NA) (NA)
30 TC6 DE DE
50 TD0 R6 R0 (LSB)

2 TD1 R7 (MSB) R1

8 TD2 G6 G0 (LSB)
10 TD3 G7 (MSB) G1
16 TD4 B6 B0 (LSB)
18 TD5 B7 (MSB) B1
25 TD6 (NA) (NA)

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<AMODE=Low>

CLK IN+

CLK IN-

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<AMODE=High>

CLK IN+

CLK IN-

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2) 6 Bit Mode

Transmitter AMODE

Pin No. Data =Low =High

51 TA0 R0 (LSB) R0 (LSB)

52 TA1 R1 R1

54 TA2 R2 R2

55 TA3 R3 R3

56 TA4 R4 R4

3 TA5 R5 (MSB) R5 (MSB)
4 TA6 G0 (SLB) G0 (LSB)
6 TB0 G1 G1

7 TB1 G2 G2
11 TB2 G3 G3
12 TB3 G4 G4
14 TB4 G5 (MSB) G5 (MSB)
15 TB5 B0 (LSB) B0 (LSB)
19 TB6 B1 B1
20 TC0 B2 B2
22 TC1 B3 B3
23 TC2 B4 B4
24 TC3 B5 (MSB) B5 (MSB)
27 TC4 (NA) (NA)
28 TC5 (NA) (NA)
30 TC6 DE DE
50 TD0 GND GND

2 TD1 GND GND

8 TD2 GND GND
10 TD3 GND GND
16 TD4 GND GND
18 TD5 GND GND
25 TD6 (NA) (NA)

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CLK IN+

CLK IN-

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9.4 DATA INPUT for DISPLAY COLOR(8BIT MODE)

Red Data Green Data Blue Data

Input

color

Black 0 0 0 0 0 0 00000000000 0 0 0 0000

Red(255) 1 1 1 1 1 1 11000000000 0 0 0 0000

Green(255) 0 0 0 0 0 0 00111111110 0 0 0 0000

R7 R6 R5 R4 R3 R2 R1 R0 G7 G6 G5 G4 G3 G2 G1 G0 B7 B6 B5 B4 B3 B2 B1 B0

MSB LSB MSB LSB MSB LSB

Basic

Color

Red

Blue(255) 0 0 0 0 0 0 00000000001 1 1 1 1111

Cyan 0 0 0 0 0 0 00111111111 1 1 1 1111

Magenta 1 1 1 1 1 1 11000000001 1 1 1 1111

Yellow 1 1 1 1 1 1 11111111110 0 0 0 0000

White 1 1 1 1 1 1 11111111111 1 1 1 1111

Black 0 0 0 0 0 0 00000000000 0 0 0 0000

Red(1) 0 0 0 0 0 0 01000000000 0 0 0 0000

Red(2) 0 0 0 0 0 0 10000000000 0 0 0 0000

: : : :: : : ::::::::::: : : : : :::

: : : :: : : ::::::::::: : : : : :::

Red(253) 1 1 1 1 1 1 01000000000 0 0 0 0000

Red(254) 1 1 1 1 1 1 10000000000 0 0 0 0000

Red(255) 1 1 1 1 1 1 11000000000 0 0 0 0000

Black 0 0 0 0 0 0 00000000000 0 0 0 0000

Green(1) 0 0 0 0 0 0 00000000010 0 0 0 0000

Green(2) 0 0 0 0 0 0 00000000100 0 0 0 0000

Green

Blue

: : : :: : : ::::::::::: : : : : :::

: : : :: : : ::::::::::: : : : : :::

Green(253) 0 0 0 0 0 0 00111111010 0 0 0 0000

Green(254) 0 0 0 0 0 0 00111111100 0 0 0 0000

Green(255) 0 0 0 0 0 0 00111111110 0 0 0 0000

Black 0 0 0 0 0 0 00000000000 0 0 0 0000

Blue(1) 0 0 0 0 0 0 00000000000 0 0 0 0001

Blue(2) 0 0 0 0 0 0 00000000000 0 0 0 0010

: : : :: : : ::::::::::: : : : : :::

: : : :: : : ::::::::::: : : : : :::

Blue(253) 0 0 0 0 0 0 00000000001 1 1 1 1101

Blue(254) 0 0 0 0 0 0 00000000001 1 1 1 1110

Blue(255) 0 0 0 0 0 0 00000000001 1 1 1 1111

Note 1: Definition of gray scale : Color(n) Number in parenthesis indicates gray scale level. Larger

number corresponds to brighter level.

Note 2: Data Signal : 1 : High, 0 : Low

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(6BIT MODE)

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Input

color

Black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Red(63) 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0

Green(63) 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0

Basic

Color

Blue(63) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1

Cyan 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1

Magenta 1 1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 1

Yellow 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0

White 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Red(1) 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0

Red(2) 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0

: : : : : : : : : : : : : : : : : : :

Red

: : : : : : : : : : : : : : : : : : :

Red Data Green Data Blue Data

R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0

MSB LSB MSB LSB MSB LSB

Green

Blue

Red(61) 1 1 1 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0

Red(62) 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0

Red(63) 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0

Black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Green(1) 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0

Green(2) 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0

: : : : : : : : : : : : : : : : : : :

: : : : : : : : : : : : : : : : : : :

Green(61) 0 0 0 0 0 0 1 1 1 1 0 1 0 0 0 0 0 0

Green(62) 0 0 0 0 0 0 1 1 1 1 1 0 0 0 0 0 0 0

Green(63) 0 0 0 0 0 0 1 1 1 1 1 1 0 0 0 0 0 0

Black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Blue(1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1

Blue(2) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0

: : : : : : : : : : : : : : : : : : :

: : : : : : : : : : : : : : : : : : :

Blue(61) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 0 1

Blue(62) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0

Blue(63) 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1

Note 1: Definition of gray scale : Color(n) Number in parenthesis indicates gray scale level. Larger

number corresponds to brighter level.

Note 2: Data Signal : 1 : High, 0 : Low

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9.5 INTERFACE TIMING

(1) LVDS Receiver Timing

(Interface of TFT module)

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tRP2

tRP3

tRP4

tRP5

tRP6

tRP0

tRP1

RinX

CLK+

Rx6 Rx5 Rx4 Rx3 Rx2 Rx1 Rx0 Vdiff=0V

tc

Vdiff=0VVdiff=0V

RinX=(RinX+)-(RinX-) (X=0,1,2)

Item Symbol Min. Typ. Max. Unit Note

DCLK FREQUENCY 1/tcLK 37 40 43 MHz

RinX

(X=0,1,2)

0 data position tRP0 1/7*tCLK –0.4 1/7*tCLK 1/7*tCLK +0.4

1st data position tRP1 -0.4 0 +0.4

2nd data position tRP2 6/7*tCLK –0.4 6/7*tCLK 6/7*tCLK +0.4

3rd data position tRP3 5/7*tCLK –0.4 5/7*tCLK 5/7*tCLK +0.4

ns

4th data position tRP4 4/7*tCLK –0.4 4/7*tCLK 4/7*tCLK +0.4

5th data position tRP5 3/7*tCLK –0.4 3/7*tCLK 3/7*tCLK +0.4

6th data position tRP6 2/7*tCLK –0.4 2/7*tCLK 2/7*tCLK +0.4

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(2) Timing converter timing

(Input timing for transmitter)

DE

DTMG

tCLK

DCLK

DTMG

DE

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tV

tVP

tH

tHP

The timings except mentiond above are referd to the specifications of your transmitter.

Item Symbol Min. Typ. Max. Unit

DCLK Cycle time t

Horizontal Cycle t

23.3 25.0 27.0 ns

CLK

850 1060 1260

H

Horizontal Valid Data width tHD 800 800 800

DE

Vertical Cycle tv 603 628 728

Vertical Valid Data width tVD 600 600 600

Note 1: It counts by a typical value of line cycle time.

t

CLK

t

H

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(3) POWER SEQUENCE

VDD

0.7VDD

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Note 1

Signals

Backlight

0.3VDD

0.3VLED

Note 2

Fig. 8.7 Power Sequence Timing

Note 1: In order to avoid any damages, VDD has to be applied before all other signals. The opposite is

true for power off where VDD has to be remained on until all other signals have been switch off.
The recommended time period is 1 second.

Note 2: In order to avoid showing uncompleted patterns in transient state. It is recommended that

switching the backlight on is delayed for 1 second after the signals have been applied. The
opposite is true for power off where the backlight has to be switched off 1 second before the
signals are removed.

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T

T

T

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11. APPEARANCE STANDARD

The appearance inspection is performed in a dark room around 500~1000 lx based on the conditions
as below:

- The distance between inspector’s eyes and display is 30 cm.

- The viewing zone is defined with angle

shown in Fig. 11.1 The inspection should be performed

within 45ɮwhen display is shut down. The inspection should be performed within 5ɮwhen display is
power on.

Fig 11.1

Fig. 12.1

11.1 THE DEFINITION OF LCD ZONE

LCD panel is divided into 3 areas as shown in Fig.11.2 for appearance specification in next section. A
zone is the LCD active area (dot area); B zone is the area, which extended 1 mm out from LCD active
area; C zone is the area between B zone and metal frame.

In terms of housing design, B zone is the recommended window area customers’ housing should be
located in.

Fig 11.2

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11.2 LCD APPEARANCE SPECIFICATION

The specification as below is defined as the amount of unexpected phenomenon or material in different
zones of LCD panel. The definitions of length, width and average diameter using in the table are shown
in Fig. 11.3 and Fig. 11.4.

Item Criteria Applied zone

Length (mm) Width (mm) Maximum number Minimum space

Ignored Wʀ0.01 Ignored -

Lʀ40 Wʀ0.02 10 -

Scratches

Dent Serious one is not allowed A

Wrinkles in polarizer Serious one is not allowed A

Bubbles on polarizer

1) Stains

2) Foreign Materials

3) Dark Spot

Dot-Defect

(Note 1)

Lʀ20 Wʀ0.04 10 -

Round (Dot Shape)

Average diameter (mm) Maximum number Minimum space

Dʀ0.2 Ignore ­Dʀ0.4 10 -

Average diameter (mm) Maximum number

Dʀ0.3 Ignored

0.3烋Dʀ0.5 10

0.5烋Dʀ1.0 5

Filamentous (Line shape)

Length (mm)

Ignored

Lʀ1.0

1.0ʀL Dot Shape

Average diameter (mm) Maximum number Minimum Space

Dʀ0.45 Ignored -

0.45烋Dʀ0.7 5 -

0.7烋D None -

In total Filamentous + Round=10

Those wiped out easily are acceptable

Type Maximum number

Bright dot-defect

Dark dot-defect

In total 10

Width (mm) Maximum number

0.06烋W

Round (Dot shape)

1 dot 4

2 adjacent dot 1

3 adjacent dot or above Not allowed

In total 5

1 dot 5

2 adjacent dot 2

3 adjacent dot or above Not allowed

In total 5

Ignored

A,B

A

A,B

A,B

A

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Length

Width

Fig 11.3

Note 1: The definitions of dot defect are as below:

- The defect area of the dot must be bigger than half of a dot.

- For bright dot-defect, showing black pattern, the dot’s brightness must be over 30% brighter

than others.

- For dark dot-defect, showing white pattern, the dot’s brightness must be under 70% darker
than others.

- The definition of 1-dot-defect is the defect-dot, which is isolated and no adjacent defect-dot.

- The definition of adjacent dot is shown as Fig. 11.5.

- The Density of dot defect is defined in the area within diameter

a

b

Average diameter =

a+b

2

Fig 11.4

I =20mm.

The dots colored gray are

adjacent to defect-dot A.

A

Fig. 12.5

Fig 11.5

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12. PRECAUTIONS

12.1 PRECAUTIONS OF ESD

1) Before handling the display, please ensure your body has been connected to ground to avoid any
damages by ESD. Also, do not touch display’s interface directly when assembling.

2) Please remove the protection film very slowly before turning on the display to avoid generating ESD.

12.2 PRECAUTIONS OF HANDLING

1) In order to keep the appearance of display in good condition, please do not rub any surfaces of the
displays by sharp tools harder than 3H, especially touch panel, metal frame and polarizer.

2) Please do not pile the displays in order to avoid any scars leaving on the display. In order to avoid
any injuries, please pay more attention for the edges of glasses and metal frame, and wear finger
cots to protect yourself and the display before working on it.

3) Touching the display area or the terminal pins with bare hand is prohibited. This is because it will
stain the display area and cause poor insulation between terminal pins, and might affect display’s
electrical characteristics furthermore.

4) Do not use any harmful chemicals such as acetone, toluene, and isopropyl alcohol to clean display’s
surfaces.

5) Please use soft cloth or absorbent cotton with ethanol to clean the display by gently wiping.
Moreover, when wiping the display, please wipe it by horizontal or vertical direction instead of
circling to prevent leaving scars on the display’s surface, especially polarizer.

6) Please wipe any unknown liquids immediately such as saliva, water or dew on the display to avoid
color fading or any permanently damages.

7) Maximum pressure to the surface of the display must be less than 1,96 x 10
adding pressure is less than 1 cm

2

, the maximum pressure must be less than 1.96N.

4

Pa. If the area of

12.3 PRECAUTIONS OF OPERATING

1) Please input signals and voltages to the displays according to the values defined in the section of
electrical characteristics to obtain the best performance. Any voltages over than absolute maximum
rating will cause permanent damages to this display. Also, any timing of the signals out of this
specification would cause unexpected performance.

2) When the display is operating at significant low temperature, the response time will be slower than it

at 25
However, these are temperature-related phenomenon of LCD and it will not cause permanent
damages to the display when used within the operating temperature.

$

C

. In high temperature, the color will be slightly dark and blue compared to original pattern.

3) The use of screen saver or sleep mode is recommended when static images are likely for long
periods of time. This is to avoid the possibility of image sticking.

4) Spike noise can cause malfunction of the circuit. The recommended limitation of spike noise is no
bigger than

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12.4 PRECAUTIONS of STORAGE

If the displays are going to be stored for years, please be aware the following notices.

1) Please store the displays in a dark room to avoid any damages from sunlight and other sources of
UV light.

2) The recommended long term storage temperature is between 10

$

C

to avoid causing bubbles between polarizer and LCD glasses, and polarizer peeling from LCD
glasses.

3) It would be better to keep the displays in the container, which is shipped from KOE, and do not
unpack it.

4) Please do not stick any labels on the display surface for a long time, especially on the polarizer.

~35

$

C

and 55%~75% humidity

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13. DESIGNATION OF LOT MARK

1) The lot mark is showing in Fig.13.1. First 4 digits are used to represent production lot, T represented
made in Taiwan, and the last 6 digits are the serial number.

2) The tables as below are showing what the first 4 digits of lot mark are shorted for.

Lot Mark Lot MarkMonth Month

Jan.
Feb.
Mar.

Apr.

May

Jun.

01
02
03
04
05
06

Jul.
Aug.
Sep.

Oct.
Nov.
Dec.

07
08
09
10
11
12

Week

1~7 days

8~14 days
15~21 days
22~28 days
29~31 days

Lot Mark

3) Except letters I and O, revision number will be shown on lot mark and following letters A to Z.

4) The location of the lot mark is on the back of the display shown in Fig. 13.2.

1
2
3
4
5

Fig. 13.2

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