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LD-16405-1
1. Application
This specification applies to the color TFT-LCD module LQ255T3LZ14.
* These specification sheets are proprietary products of SHARP CORPORATION ("SHARP") and include materials
protected under copyright of SHARP. 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
SHARP.
* The device listed in these specification sheets was designed and manufactured for use in AV 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.
* SHARP 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 specification sheets.
* Contact and consult with a SHARP sales representative for any questions about this device.
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, power supply circuit, inverter circuit and back light
system etc. Graphics and texts can be displayed on a 1366 RGB 768 dots panel with 16,777,216 colors by
using LVDS (Low Voltage Differential Signaling) to interface, +5V of DC supply voltages and +12V of DC supply
voltage for back light.
This module also includes the DC/AC inverter to drive the CCFT .
And in order to improve the response time of LCD, this module applies the O/S (over shoot) driving technology for
the control circuit .In the O/S driving technology, signals are being applied to the Liquid Crystal according to a
pre-fixed process as an image signal of the present frame when a difference is found between image signal of the
previous frame and that of the current frame after comparing them.
By using the captioned process, the image signals of this LCD module are being set so that image response can be
completed within one frame, as a result, image blur can be improved and clear image performance can be realized.
3. Mechanical Specifications
Parameter Specifications Unit
Display size 64.8 Diagonal cm
25.5 Diagonal inch
Active area 564.8 (H) x 317.6 (V) mm
Pixel Format 1366 (H) x 768 (V)
pixel
1pixel = R + G + B dot
Pixel pitch 0.4135(H) x 0.4135 (V) mm
Pixel configuration R, G, B vertical stripe
Display mode Normally black
Unit Outline Dimensions *1 646.0(W) x 373.0(H) x 51.0(D) mm
Mass 6.7 +/- 0.3 kg
Surface treatment Anti glare, low reflection coating
Hard coating: 2H
Haze: 23 +/- 5%
(*1 )Outline dimensions are shown in Fig.1
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LD-16405-2
4. Input Terminals
4-1. TFT panel driving
CN1 (Interface signals and +5V DC power supply) (Shown in Fig.1)
Using connector FI-X30SSL-HF (Japan Aviation Electronics Ind. , Ltd.)
Mating connector FI-X30H,FI-X30C or FI-X30M (Japan Aviation Electronics Ind. , Ltd.)
Mating LVDS transmitter THC63LVDM83A or equivalent device
Pin No. Symbol Function Remark
1 VCC +5V Power Supply
2 VCC +5V Power Supply
3 VCC +5V Power Supply
4 VCC +5V Power Supply
5 GND
6 GND
7 GND
8 GND
9 SELLVDS Select LVDS data order Note1 Pull up
Default H:3.3V
10 NC
11 GND
12 RIN0- Negative (-) LVDS differential data input LVDS
13 RIN0+ Positive (+) LVDS differential data input LVDS
14 GND
15 RIN1- Negative (-) LVDS differential data input LVDS
16 RIN1+ Positive (+) LVDS differential data input LVDS
17 GND
18 RIN2- Negative (-) LVDS differential data input LVDS
19 RIN2+ Positive (+) LVDS differential data input LVDS
20 GND
21 CLKIN- Clock Signal(-) LVDS
22 CLKIN+ Clock Signal(+) LVDS
23 GND
24 RIN3- Negative (-) LVDS differential data input LVDS
25 RIN3+ Positive (+) LVDS differential data input LVDS
26 GND
27 R/L Horizontal shift direction Note 2
28 U/D Vertical shift direction Note 2
29 TEST1 Fix to GND level usually.
30 TEST2 Fix to GND level usually .
Note
1. Shield case on the back surface of module contacts to GND of internal circuit.
2. It is recommend to connect all the GND terminals because of stable operation.
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LD-16405-3
Note1 SELLVDS
Transmitter SELLVDS
Pin No Data =L(GND) =H(3.3V) or Open
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(LSB) 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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LD-16405-4
Interface block diagram
Corresponding Transmitter:THC63LVDM83A(THine).
( TV side )
(TFT LCD side)
8 RIN0+(13)
R0 R7
8
8 RIN0-(12) R0 R7
G0 G7
RIN1+(16) 8
8 G0 G7
B0 B7
LVDS 8
RIN1-(15) TTL B0 B7
Internal circuits
RIN2+(19)
RIN2-(18)
TTL
LVDS
RIN3+(25)
ENAB
RIN3-(24) ENAB
CLKIN+(22)
controller
CLK PLL PLL
CLKIN-(21) CLK
Input block diagram
Inpu t Signal
CLKIN+
CLKIN-
RIN0-
RIN0+ Control PWB Sou rc e Driver
RIN -
RIN +
Control Signal
RIN2-
CN
RIN2+
RIN3-
CN2
RIN3+
Gate Driver
R/L LCD PANEL
U/D 366 3(RGB) 768
SELLVDS
*panel back
Frame Power Supply
O/Sset Circuit
Temp 3
Temp 2
Temp
Po wer Supply Back Light(CCFT)
+5V DC Inverter
CN3 CN4,5
In put Sign al
VON
VBRT
Powe r Supply
+ 2V DC
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LD-16405-5
SELLVDS= Low(GND)
1 cycle
CLKIN+
CLKIN-
RIN0+
R1 R0 G0 R5 R4 R3 R2 R1 R0 G0
RIN0-
RIN1+ G2 G1 B1 B0 G5 G4 G3 G2 G1 B1
RIN1-
RIN2+ B3 B2 DE NA NA B5 B4 B3 B2 DE
RIN2-
RIN3+
R7 R6 NA B7 B6 G7 G6 R7 R6 NA
RIN3
SELLVDS= High(3.3V) or Open
1 cycle
CLKIN+
CLKIN-
RIN0+ R3 R2 G2 R7 R6 R5 R4 R3 R2 G2
RIN0-
RIN1+
G4 G3 B3 B2 G7 G6 G5 G4 G3 B3
RIN1-
B5 B4 DE NA NA B7 B6 B5 B4 DE
R1 R0 NA B1 B0 G1 G0 R1 R0 NA
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LD-16405-6
RIN2+
RIN2-
RIN3+
RIN3-
DE: Display Enable
NA: Not Available (Fixed Low)
Note 2
Normal (Default) Reversed image with horizontal
:
Reversed image with vertical Reversed image with horizontal and vertical
: :
CN2(O/S control) -(Shown in Fig 1)
OS Driving Pin No. and function
Using connector : SM07B-SRSS-TB-A (JST)
Mating connector : SHR-07V-S or SHR-07V-S-B JST
0: (GND) ,1: (3.3V)
Pin No. Symbol Function Default
1 Frame Frame frequency setting 1:60Hz, 0:50Hz Pull down(10k ohm)
2 O/Sset O/S operation setting 1:OS_ON, 0:OS_OFF Pull down(10k ohm) Note 1
3 TEST3 Fix to GND level usually . Pull down(30k ohm) Note 1
4 Temp3 Data3 of panel surface temperature Pull down(10k ohm)
5 Temp2 Data2 of panel surface temperature Pull down(10k ohm)
6 Temp1 Data1 of panel surface temperature Pull down(10k ohm)
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LD-16405-7
7 GND
Note 1 In case of O/S set setting "0"(O/S_OFF), it should be set the Temp1~3 to "0".
According as the surface temperature of the panel, enter the optimum 3 bit signal into pin No.4,5,6.
Measuring the correlation between detected temperature by the sensor on PWB in users side and actual surface
temperature of panel at center , convert the temperature detected by the sensor to the surface temperature of
panel to enter the 3 bit temperature data.
Surface temperature of panel
Pin no. 0-5 5-10 10-15 15-20 20-25 25-30 30-35 35 and
above
4 0 0 0 0 1 1 1 1
5 0 0 1 1 0 0 1 1
6 0 1 0 1 0 1 0 1
*0 : Low level voltage(0V) 1 : High level voltage(3.3V)
*For overlapping temperatures (such as 5 ,10 ,15 ,20 ,25 , 30 ,35 ) select the optimum parameter,
judging from the actual picture image.
4-2. Backlight driving
CN3 (Inverter control) Using connector: S6B-PH-SM3-TB(JST) Mating connector: PHR-6 (JST)
Pin No. Symbol Function Remark
1 VON/OFF Inverter control Note 1
2 VSEL Fix to 5V level usually.
3 Reserved OPEN
4 VBRT Brightness Control Note 2
5 Reserved OPEN
6 GND Fix to GND level usually.
*Shield case on the back surface of module doesn't contact to GND of internal circuit
Note 1 VON/OFF (Inverter control)
Input voltage Function
5V Inverter: ON
0V Inverter: OFF
Note 2 VBRT (Brightness Control)
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LD-16405-8
PWM Brightness Control is regulated by analog input voltage (0V to 5V) .
Input voltage Function
5V Brightness Control : Dark (PWM duty : 15%)
0V Brightness Control : Bright (PWM duty : 100%)
CN4,CN5 (Inverter Power input Pin layout) Using connector: B10B-PH-SM3-TB (JST)
Mating connector: PHR-10 (JST)
Pin No. Symbol Function
1 VINV +12V
2 VINV +12V
3 VINV +12V
4 VINV +12V
5 VINV +12V
6 GND GND
7 GND GND
8 GND GND
9 GND GND
10 GND GND
* Shield case on the back surface of module doesn't contact to GND of internal circuit
4-3. Lamp characteristics
The back light system is direct type with 14 CCFTs (Cold Cathode Fluorescent Tube).
The characteristics of the lamp are shown in the following table. The value mentioned below is at the case of
one CCFT.
CCFT type : HARISON TOSHIBA LIGHTING, Corp./ WEST ELECTRIC CO.,LTD
Item Symbol Min. Typ. Max. Unit Remarks
Life time TL 60000 - - Hour Note 1
Note 1 Above value is applicable when the long side of LCD module is placed horizontally (Landscape
position). (Lamp lifetime may vary if LCD module is in portrait position due to the change of
mercury density inside the lamp.)
Lamp life time is defined as the time when brightness becomes 50% of the original value in the
continuous operation under the condition of Ta=25 and brightness control(VBRT=0V).
Parameter Symbol Condition Ratings Unit Remark
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LD-16405-9
Input voltage VI Ta=25 -0.3 ~ 3.6 V Note 1
(for Control)
5V supply voltage VCC Ta=25 0~+6 V
(for Control)
Input voltage VBRT Ta=25 0~+6 V
(for Inverter) VON/OFF
VSEL
12V supply voltage VINV Ta=25 0 ~ +14 V
(for Inverter)
Storage temperature Tstg - -25 ~ +60
Operation temperature Topa - 0 ~ +50 Note 2
(Ambient)
Note 1 SELLVDS, R/L, U/D,TEST1, TEST2, TEST3, Frame, O/S set, Temp1, Temp2, Temp3
Note 2 Humidity 95%RH Max.(Ta 40 )
Maximum wet-bulb temperature at 39 or less.(Ta>40 ) No condensation.
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LD-16405-10
6. Electrical Characteristics
6-1. Control circuit driving Ta=25
Parameter Symbol Min. Typ. Max. Unit Remark
Supply voltage Vcc +4.5 +5.0 +5.5 V Note 1
+5V supply
Current Icc - 1.6 2.4 A Note 2
voltage
dissipation
Permissible input ripple VRP - - 100 mVP-P Vcc = +5.0V
voltage
Differential input High VTH - - 100 mV VCM = +1.2V
threshold voltage Low VTL -100 - - mV Note 6
Input Low voltage VIL - - 1.0 V
Note 3
Input High voltage VIH 2.3 3.3 V
VI = 0V
IIL1 - - 100 A
Note 4
Input leak current (Low)
VI = 0V
IIL2 - - 400 A
Note 5
VI =3.3V
IIH1 - - 100 A
Note 4
Input leak current (High)
VI =3.3V
IIH2 - - 400 A
Note 5
Terminal resistor RT - 100 - Differential input
Note VCM: Common mode voltage of LVDS driver.
0.9VCC
Note 1 0.9Vcc
1) Input voltage sequences 0.1Vcc
Vcc
0.1Vcc
0.1Vcc
t2-1
t4
t1 t3
0 t1 10ms 0 t2-1 20ms Data1
t2-2
t2-2 10ms 0 t3 1s
Data2
t5 ON
t4 1s 200ms t5
Back light:Vinv OFF OFF
Data1 : CLKIN RIN0 RIN1 RIN2 RIN3
Data2 R/L U/D SELLVDS Frame O/Sset Temp1,2,3
2) Dip conditions for supply voltage
a) 2.7V Vcc < 4.5V
td 10ms
b) Vcc < 2.7V
Dip conditions for supply voltage is
based on input voltage sequence.
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LD-16405-11
Note 2 Typical current situation: 256 gray-bar pattern (Vcc = +5.0V)
The explanation of RGB gray scale is seen in section 8.
Vcc 5.0V
CK 82.0MHz
Th 20.67 s
Note 3 R/L, U/D, SELLVDS, TEST1, TEST2, TEST3, Frame, O/Sset, Temp1, Temp2, Temp3
Note 4 R/L, U/D
Note 5 SELLVDS, TEST1, TEST2, TEST3, Frame, O/Sset, Temp1, Temp2, Temp3
Note 6 CKIN , RIN0 ,RIN1 , RIN2 , RIN3
6-2. Inverter driving for back light
The back light system is under-lighting type with 14 CCFTs (Cold Cathode Fluorescent Tube).
Ta=25
Parameter Symbol Min. Typ. Max. Unit Remark
IINV1 - 8.0 8.8 A VINV = 12V
Current dissipation VBRT = 0V, VON/OFF=5V
12V
IINV2 - 6.1 6.7 A Note 4
Supply voltage VINV 11.0 12.0 13.0 V Note 1
Permissible input ripple
VRF - - 200 mVp-p VINV = +12V
voltage
Input voltage (Low) VONL 0 - 1.0 V Note2
VONH Input Impedance
3.0 5.0 6.0 V
Input voltage (High) 24K
VSEL 3.0 5.0 6.0 V Input Impedance 20K
Brightness control voltage VBRT 0 5 V Note3
Input Impedance
Brightness control voltage 95 15 %
112K
Vs
Burst Duty Ratio
Note 1 1)VINV-turn-on condition
0.9VINV
0V
INV
T1 T2
ON 0V
T1 100 s
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LD-16405-12
T2 1ms
2) VINV-turn-off condition
INV
T1
ON 0V
0V
T1 1ms
Note 2 VON
Note 3 VBRT
Note 4 IINV 1: The current value of less than 1 hour after switching on the light.
IINV 2: The current value after 1 hour or more have passed since the light was switched on the light.
Note The performance of the backlight, for example life time or brightness, is much influenced
by the characteristics of the power supply for the inverter. When you design or order the power supply
for 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. Also, the power supply for the inverter use the
one which has safe protection circuits such as the circuit of the detection of the overvoltage / the
overcurrent.
7. Timing characteristics of input signals
7-1. Timing characteristics
Timing diagrams of input signal are shown in Fig.2
Parameter Symbol Min. Typ. Max. Unit
Clock Frequency 1/Tc 65 82 85 MHz
TH 1560 1696 1940 clock
Horizontal period
17.0 20.68 - s
Data enable
Horizontal period (High) THd 1366 1366 1366 clock
signal
Vertical period TV 778 806 972 line
Vertical period (High) TVd 768 768 768 line
Note It is recommend inputting a signal, after turning on a module back light.
Note1 When vertical period is very long, flicker and etc. may occur.
It is recommend making sure that length of vertical period is an integral multiple of horizontal length
of period. Otherwise, the screen may not display properly.
Note2 Cut off the power supply after you make it black screen indications.
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LD-16405-13
TH
THd
DE
DATA 1366 1 2 1366
(R,G,B)
Tc
1 2 767 768
DE
TVd
TV
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LD-16405-14
7-2. Input data signal and display position on the screen
R1 G1 B1 R2 G2 B2
R G B
8. Input Signal, Basic Display Colors and Gray Scale of Each Color
Data signal
Colors &
Gray R0 R1 R2 R3 R4 R5 R6 R7 G0 G1 G2 G3 G4 G5 G6 G7 B0 B1 B2 B3 B4 B5 B6 B7
Gray scale
Scale
Black 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Blue 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
Green 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
Basic Color
Cyan 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
Red 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Magenta 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
Yellow 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 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 1 1 1 1 1 1
Black GS0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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