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36cm COLOUR TFT-LCD MODULE (14.1 TYPE) LIQUID CRYSTAL DISPLAY DIVISION PRODUCT INFORMATION FEATURES
(1) 14.1"XGA(1024x768 pixels) display size for notebook PC (2) LVDS interface system
LTM14C421S (a-Si TFT)
TENTATIVE
MECHANICAL SPECIFICATIONS
Item Dimensional Outline (typ.) Number of Pixels Active Area Pixel Pitch Weight (approximately) Backlight
*1 : Excepting the FL cable width
Specifications 298.5(W) x 226.5 (*1) (H) x 6.0max(D) mm 1024(W) x 768(H) pixels 285.696(W) x 214.272(H) mm 0.279(W) x 0.279(H) 510 g Single CCFL, Sidelight type
ABSOLUTE MAXIMUM RATINGS
Item Supply Voltage (VDD) (VFL) FL Driving Frequency (fFL) Input Signal Voltage (VIN) Operating Temperature Storage Temperature Storage Humidity Min. -0.3 0 -0.3 0 -20 10 Max. 4.0 2.0 100 VDD+0.3 50 60 90 Unit V kV(rms) kHz V C C %(RH)
ELECTRICAL SPECIFICATION
Item Supply Voltage
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(VDD) (VFL) Min. 3.0 --1000 0 --VOS-0.1 ------Typ. 3.3 680 --------350 5.0 4.6 Max. 3.6 --1400 2.4 VOS+0.1 ---------
FL Start Voltage (Ta=0C) Receiver Input Voltage Differential Input High Threshold(VTH)*1 Differential Input Low Threshold(VTL)*1 Current Consumption *2 (IDD) *3 (IFL) *2 *3 Power Consumption
Unit V V(rms) V(rms) V V V mA mA(rms) W
Remarks IFL=5.0 mA(rms)
VOS=+1.2V *4 VOS=+1.2V *4
IFL=5.0 mA(rms)
*1 : Refer to DS90CF364 Specification by National Semiconductor Corporation. This LCD module conforms to LVDS standard (TIA/EIA-644) *2 : 8 color bars pattern *3 : Excepting the efficiency FL inverter *4 : VOS : Offset Mode Voltage
OPTICAL SPECIFICATION (Ta=25C)
Item Contrast Ratio (CR) Response Time Luminance (L) Min. 100 ----50 --Typ. 250 ----70 145 Max. --50 50 ----Unit --ms ms 2 cd/m cd/m
2
Remarks
(tON) (tOFF)
IFL=(3.0)mA(rms ) IFL=(6.0)mA(rms )
*The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by Toshiba or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Toshiba or others.
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*The information contained herein may be changed without prior notice. It is therefore advisable to contact Toshiba before proceeding with the design of equipment incorporating this product.
LTM14C421S DIMENSIONAL OUTLINE (front figure)
TENTATIVE
Unit : mm Standard tolerance : 0.5
Moun t ing Ho le Cross Sec t ion* T* P* iF j
43 . }*0 .2 5
3 }*5 3
B /L C : H R - 2 S NBS 0V 1
1 3 *5 1}
Dep th D V P* M i n.
M2 0. 3
+ 0. 4
1 4
2 85 . 9 ( 6 6 A. A .)
4 }*1 5
2 8. 8 7( B. O .)
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I /F - N C
R A SI E ER D
1 6 }*1 0
14 9. 8
H i rose
H DF19KR-14P-1
5 . 5 *0 .3 4}
i** P* 6 .0 - j Max
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Dep th P* S D Mi n.
M2
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Moun t ing Ho le Cross Sec t ion* T* P* iF j
.
43 .}*0 .2 1
8M2
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i** P*o n - j
0. 3
Condition 4.9N Load
2 8. 9 5
0. 2
2 0 . Max . 3 5
2 2 . 5*0 .3 1 3} 2 2 . 5 0 .3 1 3 }* A .) 2 4. 7 ( 1 2 2 A. 2 7. ( 1 3 B. O .) 2 6 . -0 .2 2 5
+ 0. 4
1 3 .}*0 .3 4 1 1 37 . }*0 .3 1 1 3. 1 1 8 9 . }*0 .3 1 7 9 . }*0 .3 1 1 3 . 5 *0 .3 8} 1 3 . 5*0 .3 8} 4 . 5*0 .3 4}
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LTM14C421S BLOCK DIAGRAM
X- driv er IC
DC/ DC c onv ert er Y- dri ver IC L iqui d C rys tal Pa nel 102 4 x 76 8 p ixe ls
Gray scale Manipulation Voltage Generation Circuit
CN1 Conn ect or LVDS
P ane l C ont rol ler
B ack ligh t
1, 1 1, 2
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2, 1 X2n-1, 1 X2n, 1
1024 pixels
1024, 1
1, Y
X2n-1, Y
X2n, Y
768 pixels
1, 768
1024,768
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CN2
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TIMING CHART
(1) Vertical Timing
t1 t2
NCLK
t3 t3
ENAB
X,1 X,4 X,766 X,767 X,768 X,Y X,2 X,3
R5-R0 G5-G0 B5-B0
(2) Horizontal Timing
t3 t4 tc
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1021,Y 1023,Y 1,Y 2,Y 3,Y 4,Y 5,Y 6,Y 7,Y X,Y 1022,Y 1024,Y
NCLK
ENAB R5-R0 G5-G0 B5-B0
LTM14C421S
2000-10-27 (Ver.1.0)
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LTM14C421S TIMING SPECIFICATION
Item Frame Period Vertical Display Term One Line Scanning Time Horizontal Display Term Clock Period
2) 3) 4)
Symbol t1 t2 t3 t4 tc
Min. 778 x t3 --768 x t3 1334 x tc 20.0 1024 x tc 15.0
Typ. 806 x t3 16.67 768 x t3 1344 x tc 20.68 1024 x tc 15.38
Max. 860 x t3 17.25 768 x t3 ----1024 x tc ---
Unit --ms ----s --ns
Remarks 1) 5) 1) 1) 5) 1)
Note 1) Note 2)
Refer to TIMING CHART at page4 and LVDS specification (DS90CF364) by National Semiconductor Corporation. When ENAB is fixed to "H" level or "L" level after NCLK input, the panel is displayed as black. However, it may be occurred a flicker on the display.
Note 3) Note 4) Note 5)
When NCLK is fixed to "H" level or "L" level, the panel becomes white stage after several seconds. Do not change t1 and t3 values in the operation. When t1 or t3 is changed, the panel is displayed as black. Please adjust LCD operating signal timing and FL driving frequency, to optimize the display quality. There is a possibility that flicker is observed by the interference of LCD operating signal timing and FL driving condition (especially driving frequency).
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LTM14C421S CONNECTOR PIN ASSIGNMENT FOR INTERFACE
CN1 INPUT SIGNAL Connector :DF19K-14P-1H / HIROSE ELECTRIC CO.,LTD Mating Connector : DF19G-14S-1C / HIROSE ELECTRIC CO.,LTD Terminal No. Symbol Function VDD 1 Power Supply : +3.3V VDD 2 Power Supply : +3.3V 3 GND 4 GND 5 IN0Transmission Data of Pixels 0 (Negative : - ) 6 IN0+ Transmission Data of Pixels 0 (Positive : + ) 7 IN1Transmission Data of Pixels 1 (Negative : - ) 8 IN1+ Transmission Data of Pixels 1 (Positive : + ) 9 IN2Transmission Data of Pixels 2 (Negative : - ) 10 IN2+ Transmission Data of Pixels 2 (Positive : + ) 11 CKSampling Clock (Negative : - ) 12 CK+ Sampling Clock (Positive : + ) 13 GND 14 GND Note 1) Please connect GND pin to ground. Don't use it as no-connect nor connectiton with high impedance.
CN2 CCFL POWER SOURCE Connector : BHSR-02VS-1 / JAPAN SOLDERLESS TERMINAL MFG CO., LTD. Mating Connector : SM02B-BHSS-1 / JAPAN SOLDERLESS TERMINAL MFG CO., LTD. Terminal No. 1 2 Symbol VFLH VFLL Function CCFL Power Supply ( high voltage) CCFL Power Supply (low voltage)
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LTM14C421S RECOMMENDED TRANSMITTER (DS90CF363) TO LTM14C421S INTERFACE ASSIGNMENT
Case1: 6bit Transmitter
Input Terminal No. Symbol TIN0 TIN1 TIN2 TIN3 TIN4 TIN5 TIN6 TIN7 TIN8 TIN9 TIN10 TIN11 TIN12 TIN13 TIN14 TIN15 TIN16 TIN17 TIN18 TIN19 TIN20 CLK IN Terminal 44 45 47 48 1 3 4 6 7 9 10 12 13 15 16 18 19 20 22 23 25 26 DS90CF363 Input Signal (Graphics controller output signal) Symbol Function R0 Red Pixels Display Data (LSB) R1 Red Pixels Display Data R2 Red Pixels Display Data R3 Red Pixels Display Data R4 Red Pixels Display Data R5 Red Pixels Display Data (MSB) G0 Green Pixels Display Data (LSB) G1 Green Pixels Display Data G2 Green Pixels Display Data G3 Green Pixels Display Data G4 Green Pixels Display Data G5 Green Pixels Display Data (MSB) B0 Blue Pixels Display Data (LSB) B1 Blue Pixels Display Data B2 Blue Pixels Display Data B3 Blue Pixels Display Data B4 Blue Pixels Display Data B5 Blue Pixels Display Data (MSB) NC Non Connection (open) NC Non Connection (open) ENAB Compound Synchronization Signal NCLK Data Sampling Clock Output Signal Symbol LTM14C421S Interface (CN1) Terminal Symbol
TOUT0TOUT0+
No.5 No.6
IN0IN0+
TOUT1TOUT1+
No.7 No.8
IN1IN1+
TOUT2TOUT2+
No.9 No.10
IN2IN2+
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TCLK OUTTCLK OUT+
No.11 No.12
CLKCLK+
Note 1) Please connect NC pin to nothing. Don't connect it to ground nor to other signal input.
IN 0
TIN6
TIN5
TIN4
TIN3
TIN2
TIN1
TIN0
G0 IN 1
TIN13
R5
TIN12
R4
TIN11
R3
TIN10
R2
TIN9
R1
TIN8
R0
TIN7
B1 IN 2
TIN20
B0
TIN19
G5
TIN18
G4
TIN17
G3
TIN16
G2
TIN15
G1
TIN14
ENAB
NC
NC
B5
B4
B3
B2
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LTM14C421S RECOMMENDED TRANSMITTER (DS90CF383) TO LTM14C421S INTERFACE ASSIGNMENT
Case2: 8bit Transmitter
Input Terminal No. Symbol TIN0 TIN1 TIN2 TIN3 TIN4 TIN6 TIN7 TIN8 TIN9 TIN12 TIN13 TIN14 TIN15 TIN18 TIN19 TIN20 TIN21 TIN22 TIN24 TIN25 TIN26 TIN27 TIN5 TIN10 TIN11 TIN16 TIN17 TIN23 CLK IN Terminal 51 52 54 55 56 3 4 6 7 11 12 14 15 19 20 22 23 24 27 28 30 50 2 8 10 16 18 25 31 DS90CF383 Input Signal (Graphics controller output signal) Symbol Function R0 Red Pixels Display Data (LSB) R1 Red Pixels Display Data R2 Red Pixels Display Data R3 Red Pixels Display Data R4 Red Pixels Display Data R5 Red Pixels Display Data (MSB) G0 Green Pixels Display Data(LSB) G1 Green Pixels Display Data G2 Green Pixels Display Data G3 Green Pixels Display Data G4 Green Pixels Display Data G5 Green Pixels Display Data(MSB) B0 Blue Pixels Display Data (LSB) B1 Blue Pixels Display Data B2 Blue Pixels Display Data B3 Blue Pixels Display Data B4 Blue Pixels Display Data B5 Blue Pixels Display Data (MSB) NC Non Connection (open) NC Non Connection (open) ENAB Compound Synchronization Signal NC Non Connection (open) NC Non Connection (open) NC Non Connection (open) NC Non Connection (open) NC Non Connection (open) NC Non Connection (open) NC Non Connection (open) NCLK Data Sampling Clock Output Signal Symbol LTM14C421S Interface (CN1) Terminal Symbol
TOUT0TOUT0+
No.5 No.6
IN0IN0+
TOUT1TOUT1+
No.7 No.8
IN1IN1+
TOUT2TOUT2+
No.9 No.10
IN2IN2+
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TOUT3TOUT3+ TCLK OUTTCLK OUT+ No.11 No.12 CLKCLK+
Note 1) Please connect NC pin to nothing. Don't connect it to ground nor to other signal input.
IN 0
TIN7
TIN6
TIN4
TIN3
TIN2
TIN1
TIN0
G0 IN 1
TIN18
R5
TIN15
R4
TIN14
R3
TIN13
R2
TIN12
R1
TIN9
R0
TIN8
B1 IN 2
TIN26
B0
TIN25
G5
TIN24
G4
TIN22
G3
TIN21
G2
TIN20
G1
TIN19
ENAB IN 3
TIN23
NC
TIN17
NC
TIN16
B5
TIN11
B4
TIN10
B3
TIN5
B2
TIN27
NC
NC
NC
NC
NC
NC
NC
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LTM14C421S 256k (k=1024) COLORS COMBINATION TABLE
Basic Color
Display Black Blue Green Light Blue Red Purple Yellow White Black Dark Light Red Black
Gray Scale of Red
R5 L L L L H H H H L L L
R4 R3 R2 R1 R0 LLLLL LLLLL LLLLL LLLLL HHHHH HHHHH HHHHH HHHHH LLLLL LLLLH LLLHL : : H H H L L L H H H L L L : : H H H L L L L H H L L L H L H L L L
G5 L L H H L L H H L L L
G4 G3 G2 G1 G0 LLLLL LLLLL HHHHH HHHHH LLLLL LLLLL HHHHH HHHHH LLLLL LLLLL LLLLL : : L L L L L L L L L L L L : : L L L L L L L L L L L H L L L L H L
B5 L H L H L H L H L L L
B4 B3 B2 B1 B0 LLLLL HHHHH LLLLL HHHHH LLLLL HHHHH LLLLL HHHHH LLLLL LLLLL LLLLL : : L L L L L L L L L L L L : : L L L L L L L L L L L L L L L L L L
Gray Scale Level L0 L1 L2 L3... L60 L61 L62 Red L63 L0 L1 L2 L3... L60 L61 L62 Green L63 L0 L1 L2 L3... L60 L61 L62 Blue L63 L0 L1 L2 L3... L60 L61 L62 White L63
Gray Scale of Green
Dark Light Green Black
H H H L L L
L L L L L L
L L L L L L
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: : L L L L L L L L L L L L L L L L L L : : H H H H H H H H H H H H L H H H L H H H H H H H H H H L L L L L L L L L L L H L L L L H L L L L L L L L L L L L L L L L L L L : : H H H L H H H L H H H H H H H H H H : : L L L L L L L L L L L H L L L L H L H H H L L L H H H L L L H H H L L L : : H H H L H H H L H : : H H H L L L L H H L L H H L H L H L
Gray Scale of Blue
Dark Light Blue Black
L L L L L L
L L L L L L
L L L L L L
L L L L L L
L L L L L L
L L L L L L
H H H L L L
H H H L L L
H H H L L L
H H H L L L
L H H L L L
H L H L L L
L L L L L L
L L L L L L
L L L L L L
L L L L L L
L L L L L H
L L L L H L
Gray Scale of White & Black
Dark Light White
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LTM14C421S
!
FOR SAFETY
LCD module is generally designed with precise parts to achieve light weighted thin mechanical dimensions. In using our Modules, make certain that you fully understand and put into practice the warnings and safety precautions detailed in Engineering Information No.EE-N001,"CAUTIONS AND INSTRUCTIONS FOR TOSHIBA LCD MODULES". Refer to individual specifications and TECHNICAL DATA sheets (hereinafter called "TD") for more detailed technical information.
1) SPECIAL PURPOSES
A) Toshiba's Standard LCD Modules have not been customized for operation in extreme environments or for use in applications where performance failures could be life-threatening or otherwise catastrophic. B) Since Toshiba's Standard LCD Modules have not been designed for operation in extreme environments, they must never be used in devices that will be exposed to abnormally high levels of vibration or shock which exceed Toshiba's published specification limits. C) In addition, since Toshiba Standard LCD Modules have not been designed for use in applications where performance failures could be life-threatening or catastrophic, they must never be installed in aircraft navigation control systems (such as, but not limited to Traffic Collision Avoidance System and Air Traffic Indicator), in military defense or weapons systems, in critical industrial process-control systems (e.g., those involved in the production of nuclear energy), or in critical medical device or patient life-support systems.
2) DISASSEMBLING OR MODIFICATION
DO NOT DISASSEMBLE OR MODIFY the module. It may damage sensitive parts inside LCD module, and may cause scratches or dust on the display. Toshiba doses not warrant the module, if customer disassembled or modified it.
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3) BREAKAGE OF LCD PANEL
DO NOT INGEST liquid crystal material, DO NOT INHALE this material, and DO NOT CONTACT the material with skin, if LCD panel is broken and liquid crystal material spills out. If liquid crystal material comes into mouth or eyes, rinse mouth or eyes out with water immediately. If this material contact with skin or cloths, wash it off immediately with alcohol and rinse thoroughly with water.
4) GLASS OF LCD PANEL
BE CAREFUL WITH CHIPS OF GLASS that may cause injuring fingers or skin, when the glass is broken.
5) ELECTRIC SHOCK
DISCONNECT POWER SUPPLY before handling LCD module. DO NOT TOUCH the parts inside LCD module and the fluorescent lamp's connector or cables in order to prevent electric shock, because high voltage is supplied to these parts from the inverter unit while power supply is turned on.
6) ABSOLUTE MAXIMUM RATINGS AND POWER PROTECTION CIRCUIT
DO NOT EXCEED the absolute maximum rating values under the worst probable conditions caused by the supply voltage variation, input voltage variation, variation in parts' constants, environmental temperature, etc., otherwise LCD module may be damaged. Employ protection circuit for power supply, whenever the specification or TD specifies it. Suitable protection circuit should be applied for each system design. 7) DISPOSAL When dispose LCD module, obey to the applicable environmental regulations.
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