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FOR MESSRS : DATE : Jan. 4th ,2013
CUSTOMER'S ACCEPTANCE SPECIFICATIONS
TX38D25VM0CAA
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:
SHEET
KAOHSIUNG OPTO-ELECTRONICS INC. 7B64PS 2701-TX38D25VM0CAA-1 PAGE 1-1/1
NO.
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2. RECORD OF REVISION
DATE SHEET No. SUMMARY
SHEET
KAOHSIUNG OPTO-ELECTRONICS INC. 7B64PS 2702 TX38D25VM0CAA-1 PAGE 2-1/1
NO.
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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)
SHEET
KAOHSIUNG OPTO-ELECTRONICS INC. 7B64PS 2703- TX38D25VM0CAA-1 PAGE 3-1/1
NO.
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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 C Note 2
$
Storage Temperature Tst -30 80 C Note 2
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 .
- Operating under high temperature will shorten LED lifetime.
SHEET
KAOHSIUNG OPTO-ELECTRONICS INC. NO.
7B64PS 2704- TX38D25VM0CAA-1 PAGE 4-1/1
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5. ELECTRICAL CHARACTERISTICS
5.1 LCD CHARACTERISTICS Ta 25 $C , VSS 0V
Item Symbol Condition Min. Typ. Max. Unit Remarks
Power Supply Voltage VDD - 3.0 3.3 3.6 V -
Differential Input VIH - - +100
Voltage for LVDS VI mV Note 1
Receiver Threshold VIL -100 - -
VDD-VSS
Power Supply Current IDD - 500 600 mA Note 2,3
=3.3V
Vsync Frequency fv - - 60 70 Hz
Hsync Frequency fH - 16.9 17.5 20.4 KHz Note 4
DCLK Frequency f CLK - 25 28 32.7 MHz
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+
LVDS
100
IN- Receiver
Note 2: An all black check pattern is used when measuring IDD, f v is set to 60Hz.
DC Ampere Meter
TFT-LCM
IDD
VDD
VDD
VSS
Note 3: 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.
Note 4: For LVDS transmitter input.
SHEET
KAOHSIUNG OPTO-ELECTRONICS INC. NO. 7B64PS 2705- TX38D25VM0CAA-1 PAGE 5-1/2
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5.2 BACKLIGHT CHARACTERISTICS Ta 25 $ C
Item Symbol Condition Min. Typ. Max. Unit Remarks
LED Input Voltage VLED - 11.5 12 12.5 V Note1
LED Forward Current 0V; 0% duty - 830 850
ILED mA Note 2
(Dim Control) 3.3VDC; 100% duty 34 40 46
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 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 830 mA at
25 $ C .
Fig 5.1
SHEET
KAOHSIUNG OPTO-ELECTRONICS INC. 7B64PS 2705- TX38D25VM0CAA-1 PAGE 5-2/2
NO.
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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 $ C .
- In the dark room around 500~1000 lx, the equipment has been set for the measurements as shown in
Fig 6.1.
Ta 25 $C , f v 60 Hz, VDD 3.3V
Item Symbol Condition Min. Typ. Max. Unit Remarks
2
Brightness of White - 380 450 - cd/m Note 1
I 0$ ,T 0$ ,
Brightness Uniformity - 70 - - % Note 2
ILED= 830 mA
Contrast Ratio CR 600 800 - - Note 3
Response Time
(Rising + Falling) Tr Tf I 0$ ,T 0$ - 25 - ms Note 4
NTSC Ratio - I 0$ ,T 0$ - 60 - % -
$
Tx I 0 , CR t 10 75 85 -
T xc I 180 $ , CR t 10 75 85 -
Viewing Angle $
Degree Note 5
Ty I 90 , CR t 10 75 85 -
T yc I 270 $ , CR t 10 75 85 -
X 0.59 0.64 0.69
Red
Y 0.29 0.34 0.39
X 0.28 0.33 0.38
Green
Color Y 0.56 0.61 0.66
I 0$ ,T 0$ - Note 6
Chromaticity X 0.09 0.14 0.19
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:
Min. Brightness
Brightness uniformity = X100%
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 1 Distance 500 mm
LCD panel
Fig. 6.1 Fig. 6.2
SHEET
KAOHSIUNG OPTO-ELECTRONICS INC. 7B64PS 2706- TX38D25VM0CAA-1 PAGE 6-1/2
NO.
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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:
Brightness of White
CR =
Brightness of Black
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.
Black White Black
Falling time
100 % Tr Rising time Tf
90
10
0
0
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, I 270 $ means 6 o'clock, and I 0 $ means 3 o'clock. Moreover, angle
T is used to represent viewing angles from axis Z toward plane XY.
The display is super wide viewing angle version; 85