KOE TX38D25VM0CAA Specification

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CUSTOMER’S ACCEPTANCE SPECIFICATIONS

TX38D25VM0CAA

DATE : Jan. 4th ,2013

Contents

No. ITEM SHEET No. PAGE

1 COVER 7B64PS 2701-TX38D25VM0CAA-1 1-1/1

2 RECORD OF REVISION 7B64PS 2702-TX38D25VM0CAA-1 2-1/1

3 GENERAL DATA 7B64PS 2703-TX38D25VM0CAA-1 3-1/1

4 ABSOLUTE MAXIMUM RATINGS 7B64PS 2704-TX38D25VM0CAA-1 4-1/1

5 ELECTRICAL CHARACTERISTICS 7B64PS 2705-TX38D25VM0CAA-1 5-1/2~2/2

6 OPTICAL CHARACTERISTICS 7B64PS 2706-TX38D25VM0CAA-1 6-1/2~2/2

7 BLOCK DIAGRAM 7B64PS 2707-TX38D25VM0CAA-1 7-1/1

8 RELIABILITY TESTS 7B64PS 2708-TX38D25VM0CAA-1 8-1/1

9 LCD INTERFACE 7B64PS 2709-TX38D25VM0CAA-1 9-1/7~7/7

10 OUTLINE DIMENSIONS 7B64PS 2710-TX38D25VM0CAA-1 10-1/2~2/2

11 APPEARANCE STANDARD 7B64PS 2711-TX38D25VM0CAA-1 11-1/3~3/3

12 PRECAUTIONS 7B64PS 2712-TX38D25VM0CAA-1 12-1/2~2/2

13 DESIGNATION OF LOT MARK 7B64PS 2713-TX38D25VM0CAA-1 13-1/1

ACCEPTED BY:

PROPOSED BY:

!

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2. RECORD OF REVISION

DATE SHEET No. SUMMARY

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7B64PS 2702 TX38D25VM0CAA-1

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3. GENERAL DATA

3.1 DISPLAY FEATURES

This module is a 14.9” HWXGA of 14:3 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, COF (chip on film) technology and LED backlight are applied on this display.

Part Name TX38D25VM0CAA

Module Dimensions 386.82(W) mm x 85.57(H) mm x 13.06(D) mm typ.

LCD Active Area 372.48(W) mm x 70.42(H) mm

Pixel Pitch 0.291(W) mm x 0.291(H) mm

Resolution 1280 x 3(RGB)(W) x 242(H) dots

Color Pixel Arrangement R, G, B Vertical stripe

LCD Type Transmissive Color TFT; Normally Black

Display Type Active Matrix

Number of Colors 262k Colors

Backlight LED (Lifetime: 70 Khrs)

Weight 556g typ.

Interface LVDS; 20 pins

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

Power Consumption 1.65W for LCD; 9.96W 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 -0.3 5.0 V -

Input Voltage of Logic VI -0.2 VDD+0.3 V Note 1

Operating Temperature Top -20 70

Storage Temperature Tst -30 80

Backlight Input Voltage V

- 15 V -

LED

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

- Operating under high temperature will shorten LED lifetime.

$

Note 2

C

$

Note 2

C

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5. ELECTRICAL CHARACTERISTICS

5.1 LCD CHARACTERISTICS

Item

Symbol

Condition Min. Typ. Max. Unit Remarks

$

a

Power Supply Voltage VDD - 3.0 3.3 3.6 V -

Differential Input

Voltage for LVDS

Receiver Threshold

Power Supply Current

V

I

IDD

- - +100

V

IH

VIL -100 - -

DD-VSS

- 500 600 mA Note 2,3

V

mV Note 1

=3.3V

Vsync Frequency

Hsync Frequency

DCLK Frequency

f

- - 60 70 Hz

v

f

- 16.9 17.5 20.4 KHz

f

- 25 28 32.7 MHz

CLK

Note 4

Note 1: VCM=+1.2V

VCM is common mode voltage of LVDS transmitter/receiver.

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

IN+

100

IN-

LVDS

Receiver

0VV,25 SS CT

Note 2: An all black check pattern is used when measuring I

DC Ampere Meter

V

DD

I

DD

TFT-LCM

V

DD

V

SS

Note 3: 1.0A fuse is applied in the module for I

. For display activation and protection purpose, power

DD

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

Note 4: For LVDS transmitter input.

,

f

is set to 60Hz.

DD

v

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5.2 BACKLIGHT CHARACTERISTICS

Item

LED Input Voltage V

LED Forward Current

(Dim Control)

Symbol

- 11.5 12 12.5 V Note1

LED

Condition Min. Typ. Max. Unit Remarks

0V; 0% duty - 830 850

I

LED

3.3VDC; 100% duty 34 40 46

mA Note 2

a

LED lifetime - 830 mA - 70K - hrs Note 3

Note 1: As Fig. 5.1 shown, LED current is constant, 830 mA, controlled by the LED driver when

applying 12V V

LED

.

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 830 mA at

$

.

25

C

$

CT

25

Fig 5.1

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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.

Item

Brightness of White -

Brightness Uniformity - 70 - - % Note 2

Contrast Ratio CR 600 800 - - Note 3

Response Time

(Rising + Falling)

NTSC Ratio

Viewing Angle

Red

Symbol

-

x

X

Y 0.29 0.34 0.39

.

C

$

va

Condition Min. Typ. Max. Unit Remarks

$$

0,0

TI

,

= 830 mA

I

LED

TT 

fr

c

x

y

c

y

$

I

$

I

$

I

$

I

$$

0,0

TI

- 25 - ms Note 4

$$

0,0

TI

- 60 - % -

75 85 -

10 CR ,0 t

10 CR ,180 t

75 85 -

10 CR ,90 t

10 CR ,270 t

380 450 -

75 85 -

2

cd/m

Note 1

Degree Note 5

0.59 0.64 0.69

DD

VfCT

3.3VHz,60,25

Green

X 0.28 0.33 0.38

Color

Chromaticity

Y 0.56 0.61 0.66

X 0.09 0.14 0.19

$$

0,0

TI

- Note 6

Blue

Y 0.09 0.14 0.19

X 0.29 0.34 0.39

White

Y 0.33 0.38 0.43

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

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

Brightness uniformity = X100%

Min. Brightness

Max. Brightness

, 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

Field 1ɮ

Distance烉500 mm

LCD panel

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Fig. 6.1

SHEET

NO.

Fig. 6.2

7B64PS 2706- TX38D25VM0CAA-1

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6-1/2

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I

T

I

T

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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 =

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

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Brightness of White

Brightness of Black

BlackBlack White

100 %

90

10

0

Note 5: The definition of viewing angle is shown in Fig. 6.4. Angle

directions, for instance,

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

The display is super wide viewing angle version; 85° viewing angle can be obtained from each

viewing direction.

270

I

Rising time

Tr

0

Fig.6.3

$

means 6 o’clock, and

Falling time

$

0

I

Tf

is used to represent viewing

means 3 o’clock. Moreover, angle

z

= Viewing angle

$

90

I

12 o'clock

y

,0)y(x,

I

$

180

I

xx'

3 o'clock

9 o'clock

270

$

y'

I

6 o'clock

z'

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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