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Prepared by: Date Doc. No. QD15XL16-01
May 13,'05 Doc. Rev. : 01
Issue Date :May 13,'05
Page: 21 pages
( Include cover page,
Quanta Display Inc. drawing)
Preliminary SPECIFICATION
Specification for
TFT LCD Module
Model No. QD15XL16 REV:01
Customer's Approval
Date
Approved
By By
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These specification sheets are the proprietary product of Quanta Display Inc. ("QDI") and include materials
protected under copyright of QDI. Do not reproduce or cause any third party to reproduce them in any form
or by any means, electronic or mechanical, for any purpose, in whole or in part, without the express written
permission of QDI.
The device listed in these technical literature sheets was designed and manufactured for use in OA equipment.
In case of using the device for applications such as control and safety equipment for transportation (aircraft,
trains, automobiles, etc.), rescue and security equipment and various safety related equipment which require
higher reliability and safety, take into consideration that appropriate measures such as fail-safe functions and
redundant system design should be taken.
Do not use the device for equipment that requires an extreme level of reliability, such as aerospace
applications, telecommunication equipment (trunk lines), nuclear power control equipment and medical or
other equipment for life support.
QDI assumes no responsibility for any damage resulting from the use of the device, which does not comply
with the instructions, and the precautions specified in these technical literature sheets.
Contact and consult with a QDI sales representative for any questions about this device.
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Revision History
REV. Date ECN NO. Change Content
1 May 13,'05 N/A Preliminary specification Initiate
2 July,13,'05 N/A Add established starting voltage (P.11)
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Content List
Page
1. Application 5
2. Overview 5
3. General Specifications 5
4. Input Terminals 6
5. Absolute Maximum Ratings 8
6. Electrical Characteristics 9
7. Timing Characteristics 12
8. Input Signals, Basic Display Colors and Gray
Scale of Each Color 14
9. Optical Characterics 15
10. Display Quality 18
11. Handling Precautions 18
12. Reliability Test Items 19
13. Others 19
14. Drawing 20
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1. Application
This specification applies to a color TFT-LCD module, QD15XL16
2. Overview
This module is a color active matrix LCD module incorporating amorphous silicon TFT (Thin Film
Transistor). It is composed of a color TFT-LCD panel; driver ICs, control circuit and power supply circuit
and a backlight unit. Graphics and texts can be displayed on a 10243768 dots panel with 16.2 million
colors by using the LVDS (Low Voltage Differential Signaling) interface, 6-bit+FRC driving method and
supplying +5V DC supply voltage for TFT-LCD panel driving.
The TFT-LCD panel used for this module has very high aperture ratio. A low-reflection and higher-color-
saturation type color filter is also used for this panel. Therefore, high-brightness and high-contrast image,
which is suitable for the LCD TV,HDTV and multimedia use, can be obtained by using this module.
[Features]
x A Color Active Matrix Liquid Crystal Display with an integral Cold Cathode Filament Lamp
(CCFL) backlight system.
x TFT as the active element.
x Associated electronics (drivers, control circuits, etc)
x A metal frame
3. General Specifications
Parameter Specifications Unit
Display size 380.16 (15.0") Diagonal mm
Active area 304.128 (H)228.096 (V) mm
Pixel format 1024 (H)768 (V) Pixel
(1 pixel = R+G+B dots)
Pixel pitch 0.297 X 0.297 mm
Pixel configuration R,G,B vertical stripe
Display mode Normally White
Unit outline dimensions 326.5(W)253.5 (H) mm
Thickness Typ. mm
Weight 1500 max. g
Surface treatment Hard Coating (3H) & Anti-Glare
(26%) treatment of the front polarizer
Lamp Quantity 4 edge type CCFL pcs
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4. Input Terminals
4-1. TFT-LCD panel driving
CN1 (LVDS signals and +5V DC power supply)
Using connector: DF14H-20P-1.25H (Hirose) or Equivalent
LCD Connector: DF14-20S-1.25C(Manufactured by Hirose) or Equivalent
Pin No. Symbol Function Remark
1 VDD +5V Input
2 VDD +5V Input
3 GND Power Ground
4 GND Power Ground
5 RxIN0- Receiver signal (-) LVDS
6 RxIN0+ Receiver signal (+) LVDS
7 GND Ground
8 RxIN1- Receiver signal (-) LVDS
9 RxIN1+ Receiver signal (+) LVDS
10 GND Ground
11 RxIN2- Receiver signal (-) LVDS
12 RxIN2+ Receiver signal (+) LVDS
13 GND Ground
14 CLKIN- Clock signal (-) LVDS
15 CLKIN+ Clock signal (+) LVDS
16 GND Ground
17 RxIN3- Receiver signal (-) LVDS
18 RxIN3+ Receiver signal (+) LVDS
19 GND Ground
20 GND Ground
Note 1 All GND(ground) pins should be connected together.
Note 2 All VDD (power supply) pins should be connected together.
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4-2 Interface block diagram
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4-3. Backlight driving
Pin Symbol Description Notes
1 HV Power supply for lamp (high) 1) LCD : BHSR-02VS-1 (JST)
2) System : SM02B-BHSS-1 (JST)
2 LV Power supply for lamp (Low)
5.Absolute Maximum Ratings
LCD module
Parameter Symbol Condition Ratings Unit Remark
+5V supply voltage VDD Ta=25 -0.3 ~ 6.0
Storage temperature Tstg -20 ~ 60 Note1
Operating temperature (Ambient) Topa 0 ~ +50
Note1 Humidity 90%RH Max. at Ta 40 .
Maximum wet-bulb temperature at 39 or less at Ta>40 .
No condensation.
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6. Electrical Characteristics
6-1.TFT-LCD panel driving Ta 25
Parameter Symbol Min. Typ. Max. Unit Remark
VDD Supply voltage VDD 4.75 5.0 5.25 Note2
Current dissipation IDD - 430 550 Note3
Permissive input ripple voltage VRP - - 100 mV p-p VDD=+5V
Differential input High VTH - - mV VCM=+1.2V
+100
threshold voltage Low VTL mV Note1
100 - -
Rush current IRUSH - - 2 A Rise time
200 uS
Note1 VCM : Common mode voltage of LVDS driver.
Note2
Power On-off sequence
90% 90%
Power Supply For LCD 10% 10%
VLCD 0V
T T T T T
10% Valid 10%
Interface Signal
T T
Lamp ON
Power for LAMP
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6 OU
6 OU
6 OU
6 OU
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Note3
Typical current condition; 2-line vertical stripe pattern (0,255GS). VDD=+5V
R G B R G B R G B R G B R G B R G B
R G B R G B R G B R G B R G B R G B
R G B R G B R G B R G B R G B R G B
R G B R G B R G B R G B R G B R G B
R G B R G B R G B R G B R G B R G B
R G B R G B R G B R G B R G B R G B
Maximum current condition; Change to 1x1 dot checker board pattern. VDD=+5V
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6-2. Backlight driving
The backlight system is a edge type with 4 CCFL lamp.
The characteristics of the lamp are shown in the following table.
Parameter Symbol Min. Typ. Max. Unit Remark
Lamp current range IL 6.0- 7.0 7.5 mArms Note1
Lamp voltage VL - 585 - Vrms
Lamp power consumption PL - 16.4 - Note2 IL=7.0
mA
Lamp frequency FL 40- 60 80- kHz Note3
Established starting voltage Vs 900 - Vrms Ta=25
1150 - Vrms Ta=0 Note4
Lamp life time LL 50,000 - hour Note5
Note1 Lamp current is measured with current meter for high frequency as shown below.
Note2 Calculated Value for reference ( IL V L)
Note3 Lamp frequency may produce interference with horizontal synchronous frequency, and
this may cause beat on the display. Therefore lamp frequency shall be detached as much as
possible from the horizontal synchronous frequency and from the harmonics of horizontal
synchronous to avoid interference.
Note4 The voltage above this value should be applied to the lamp for more than 1 second to start-
up. Otherwise the lamp may not be turned on.
Note5 Lamp life time is defined as the time when either or occurs in the continuous
operation under the condition of Ta = 25 and IL =7.0 mArms.
Brightness becomes 50 % of the original value under standard condition.
Kick-off voltage at Ta = 0 exceeds maximum value.
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Note6 The performance of the backlight, for example life time or brightness, is much influenced
by the characteristics of the DC-AC inverter for the lamp. When you design or order the
inverter, please make sure that a poor lighting caused by the mismatch of the backlight
and the inverter (miss-lighting, flicker, etc.) never occur. When you confirm it, the module
should be operated in the same condition as it is installed in your instrument.
Note7 The lamp wire length is +/- mm(from AL back cover surface to connector, not including
connector length)
7. Timing characteristics of LCD module input signals
7-1. Timing characteristics
(This is specified at digital outputs of LVDS driver.)
ITEM Symbol Min Typ Max Unit Note
DCLK Period tCLK 12.70 15.38 20.00 ns
Frequency - 55 65 78.75 MHz
Hsync Period tHP 1360 1344 tCLK
Width tWH 30 136 96- tCLK
Vsync Period tVP 860 806 800 tHP PAL : 47~53Hz
NTSC : 57~63Hz
Frequency fV 47 60 75 Hz
Width tWV 10 6 3 tHP
DE Horizontal Valid tHV 1024 1024 1024 tCLK
(Data
Horizontal Back Porch tHBP 198 160 176
Enable)
Horizontal Front Porch tHFP 108 24 16
- - - - -
Vertical Valid tVV 768 768 768 tHP
Vertical Back Porch tVBP 56 29 28
Vertical Front Porch tVFP 26 3 1
- - - - -
Notes : 1.The performance of electro-optical characteristics may be influenced by variance of the
vertical refresh rate.
2. Hsync period will be a double number of character (8).
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7-2 Signal Timing Waveform
Data
ENAB
Sync
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8. Input Signals, Basic Display Colors and Gray Scale of Each Color
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