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Global LCD Panel Exchange Center www.panelook.com
Toshiba Mobile Display Co., Ltd. 31cm COLOUR TFT-LCD MODULE
(12.1 TYPE)
PRODUCT INFORMATION LTD121EDDZ
(p-Si TFT)
FEATURES
(1) 12.1"XGA(1024x768 pixels) display size for notebook PC TENTATIVE
(2) LED Backlight ( LED 44pcs : 11 Serial connection x 4 )
(3) Low reflection, Anti-Glare
(4) Light weight design : 135g(typ)
MECHANICAL SPECIFICATIONS
Item Specifications
Dimensional Outline (typ.) 255.0(W) x 205.2 (H) x 2.4(D) mm
Number of Pixels 1024 (W) x 768(H) pixels
Active Area 245.76(W) x 184.32(H) mm
Pixel Pitch 0.240(W) x 0.240(H)
Weight (approximately) 142 g (typ)
Backlight LED
ABSOLUTE MAXIMUM RATINGS
Item Min. Max. Unit
Supply Voltage (VDD) -0.3 4.0 V
LED Reverse Voltage (VRLED) - 5.0 V
LED Forward Current (IFLED) - 30 mA
Input Signal Voltage (VIN) -0.3 VDD+0.3 V
Operating Temperature 0 50 qC
Storage Temperature -20 60 qC
Storage Humidity 10 90 %(RH)
ELECTRICAL SPECIFICATION
Item Min. Typ. Max. Unit Remarks
Supply Voltage (VDD) 2.35 2.5 2.7 V
Supply LED Currency (ILED) --- --- 18 mA *2
Common Mode Input Voltage (VCM) VID/2 1.25 VDD-(VID/2) V
Differential Input Amplitude (VID) 100 --- 600 mV
Current Consumption *1 (IDD) --- (240) (320) mA
Power Consumption --- (3.2) --- W ILED=18mA
*1 : 8 color bars pattern
*2 : The current value of each row should be the same value.
OPTICAL SPECIFICATION (Ta=25qC)
Item Min. Typ. Max. Unit Remarks
Contrast Ratio (CR) 200 (250) --- ---
Response Time (tON) --- --- 20 ms
(tOFF) --- --- 40 ms
Luminance (L) 200 300 --- cd/m
2
ILED=18mA
*The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by
Toshiba Mobile Display 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 Mobile Display or others.
*The information contained herein may be changed without prior notice. It is therefore advisable to contact Toshiba Mobile Display
before proceeding with the design of equipment incorporating this product.
(1/9) 2010-02-19 (Ver.0.1)
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LTD121EDDZ
TENTATIVE
#4'# #%6+8'
r
#4'#
#%6+8'
+(
r
(2/9) 2010-02-19 (Ver.0.1)
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LTD121EDDZ
TENTATIVE
(3/9) 2010-02-19 (Ver.0.1)
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LTD121EDDZ
BLOCK DIAGRAM TENTATIVE
Y-driver
Y-driver
DC/DC
converte r
Liquid Cr ystal Panel
Gray scale 102 4 x 768 pix els
Manipulation
Voltage
Generation
Circuit
CN1
Conn ector
P anel
Cont roller X-dr iver
L VD S in c lu d e
LED
1024 pixels
1, 1 2, 1 X2n-1, 1 X2n, 1 1024, 1
1, 2
1, Y X2n-1, Y X2n, Y
768 pixels
1, 768 1024,768
(4/9) 2010-02-19 (Ver.0.1)
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LTD121EDDZ
TIMING CHART TENTATIVE
tv
tvw
VSYNC
tvsu tvhd th
HSYNC
tv p tvbp tvd
tvds
DE 767 768 1 2
th
thw
HSYNC thbp
thfp thds thd
DE
1024
pixel 1 2 3 4
CLK
TIMING SPECIFICATION
Item Symbol min. Typ. Max. unit
Horizontal Scanning Term th 1160 x tc - 1344xtc clock
H-sync Pulse Width thw 4 x tc - 136xtc clock
Horizontal Front Porch thfp 4 x tc - 24xtc clock
Horizontal Back Porch thbp 4 x tc - 160xtc clock
Horizontal Display Term thd 1024 x tc 1024 x tc 1024 x tc clock
Frame Period tv 776 x th - 806xth line
V-sync Pulse Width tvw 1 x th - 6xth line
Vertical Front Porch tvfp 1 x th - 3xrh line
Vertical Back Porch tvbp 2 x th - 29xth line
Vertical Display Term tvd 768 x th 768xth line
Clock Period tc 18.52 - 15.38(65MHz) ns
(5/9) 2010-02-19 (Ver.0.1)
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LTD121EDDZ
TENTATIVE
CONNECTOR PIN ASSIGNMENT FOR INTERFACE
CN1 INPUT SIGNAL
Connector : FI-J30S-VF15N/JAE
Mating Connector : FI-J30SC /JAE
Terminal No. Symbol Function
I GND
2 IN0 - LVDS Signal-0 (-)
3 IN0 + LVDS Signal-0 (+)
4 IN 1 - LVDS Signal-1 (-)
5 IN 1 + LVDS Signal-1 (+)
6 IN 2 - LVDS Signal-2 (-)
7 IN 2 + LVDS Signal-2 (+)
8 CLK - LVDS Clock Signal(-)
9 CLK + LVDS Clock Signal(+)
10 NC Non-Connection
11 NC Non-Connection
12 GND
13 GND
14 GND
15 GND
16 NC Non-Connection
17 NC Non-Connection
18 VDD +2.5V
19 VDD +2.5V
20 VDD +2.5V
21 NC Non-Connection
22 VCD21 LED Cathode(Negative)
23 VCD22 LED Cathode(Negative)
24 VCD11 LED Cathode(Negative)
25 VCD12 LED Cathode(Negative)
26 NC Non-Connection
27 NC Non-Connection
28 NC Non-Connection
29 VAD 2 LED Anode(Positive)
30 VAD 1 LED Anode(Positive)
Note 1) Please connect GND pin to ground. Don't use it as no-connect nor connection with high impedance.
Note 2) Please connect NC to nothing. Don't connect it to ground nor to other signal input.
(6/9) 2010-02-19 (Ver.0.1)
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LTD121EDDZ
TENTATIVE
RECOMMENDED TRANSMITTER (THC63LVDF63A,THC63LVDM63A,THC63LVDM63A-85)
TO LTD121EDDX INTERFACE ASSIGNMENT
Case1: 6bit Transmitter
THC63LVDF63A,THC63LVDM63A,THC63LVDM63A-85 LTD121EDDX
Input Signal Output Interface
Input Terminal No. (CN1)
(Graphics controller output signal) Signal
Symbol Terminal Symbol Function Symbol Terminal Symbol
TIN0 44 R0 Red Pixels Display Data (LSB)
TIN1 45 R1 Red Pixels Display Data
TIN2 47 R2 Red Pixels Display Data
TOUT0- No.2 IN0-
TIN3 48 R3 Red Pixels Display Data TOUT0+ No.3 IN0+
TIN4 1 R4 Red Pixels Display Data
TIN5 3 R5 Red Pixels Display Data (MSB)
TIN6 4 G0 Green Pixels Display Data (LSB)
TIN7 6 G1 Green Pixels Display Data
TIN8 7 G2 Green Pixels Display Data
TIN9 9 G3 Green Pixels Display Data
TOUT1- No.4 IN1-
TIN10 10 G4 Green Pixels Display Data
TOUT1+ No.5 IN1+
TIN11 12 G5 Green Pixels Display Data (MSB)
TIN12 13 B0 Blue Pixels Display Data (LSB)
TIN13 15 B1 Blue Pixels Display Data
TIN14 16 B2 Blue Pixels Display Data
TIN15 18 B3 Blue Pixels Display Data
TIN16 19 B4 Blue Pixels Display Data
TOUT2- No.6 IN2-
TIN17 20 B5 Blue Pixels Display Data (MSB)
TOUT2+ No.7 IN2+
TIN18 22 HSYNC H-Sync
TIN19 23 VSYNC V-Sync
TIN20 25 DE Compound Synchronization Signal
TCLK OUT- No.8 CLK-
CLK IN 26 CLK Data Sampling Clock
TCLK OUT+ No.9 CLK+
Note 1) Please connect NC pin to nothing. Don't connect it to ground nor to other signal input.
IN 0 T IN6 T IN5 T IN4 T IN3 T IN2 T IN1 T IN0
G0 R5 R4 R3 R2 R1 R0
IN 1 T IN13 T IN12 T IN11 T IN10 T IN9 T IN8 T IN7
B1 B0 G5 G4 G3 G2 G1
IN 2 T IN20 T IN19 T IN18 T IN17 T IN16 T IN15 T IN14
DE VSYNC HSYNC B5 B4 B3 B2
(7/9) 2010-02-19 (Ver.0.1)
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LTD121EDDZ
TENTATIVE
256k (k=1024) COLORS COMBINATION TABLE
Gray Scale
Display R5 R4 R3 R2 R1 R0 G5 G4 G3 G2 G1 G0 B5 B4 B3 B2 B1 B0
Level
Black L L L L L L L L L L L L L L L L L L -
Blue L L L L L L L L L L L L H H H H H H -
Green L L L L L L H H H H H H L L L L L L -
Basic Light Blue L L L L L L H H H H H H H H H H H H -
Color Red H H H H H H L L L L L L L L L L L L -
Purple H H H H H H L L L L L L H H H H H H -
Yellow H H H H H H H H H H H H L L L L L L -
White H H H H H H H H H H H H H H H H H H -
Black L L L L L L L L L L L L L L L L L L L 0
L L L L L H L L L L L L L L L L L L L 1
Dark L L L L H L L L L L L L L L L L L L L 2
Gray
n : : : L3}
Scale of : : : L60
Red p
Light H H H H L H L L L L L L L L L L L L L61
H H H H H L L L L L L L L L L L L L L62
Red H H H H H H L L L L L L L L L L L L Red L63
Black L L L L L L L L L L L L L L L L L L L 0
L L L L L L L L L L L H L L L L L L L 1
Dark L L L L L L L L L L H L L L L L L L L 2
Gray
n : : : L3}
Scale of : : : L60
Green p
Light L L L L L L H H H H L H L L L L L L L61
L L L L L L H H H H H L L L L L L L L62
Green L L L L L L H H H H H H L L L L L L Green L63
Black L L L L L L L L L L L L L L L L L L L 0
L L L L L L L L L L L L L L L L L H L 1
Dark L L L L L L L L L L L L L L L L H L L 2
Gray
n : : : L3}
Scale of : : : L60
Blue p
Light L L L L L L L L L L L L H H H H L H L61
L L L L L L L L L L L L H H H H H L L62
Blue L L L L L L L L L L L L H H H H H H Blue L63
Black L L L L L L L L L L L L L L L L L L L 0
L L L L L H L L L L L H L L L L L H L 1
Gray Dark L L L L H L L L L L H L L L L L H L L 2
Scale of n : : : L3}
White & p : : : L60
Black Light H H H H L H H H H H L H H H H H L H L61
H H H H H L H H H H H L H H H H H L L62
White H H H H H H H H H H H H H H H H H H White L63
(8/9) 2010-02-19 (Ver.0.1)
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LTD121EDDZ
! TENTATIVE
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 Mobile Display'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 Mobile Display'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 Mobile Display's published specification limits.
C) In addition, since Toshiba Mobile Display 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 Mobile Display doses not warrant the module, if customer disassembled or modified it.
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) RECOMMENDED OPERATION CONDITIONS
The performance and quality of the LCD panel are warranted only when the LCD panel is used within "the recommended
operation conditions". Toshiba Mobile Display Co., Ltd. never warrants the performance and quality of the LCD panel when
you use the LCD panel over "the recommended operation conditions", although within "the absolute maximum rating".
To use the LCD panel over "the recommended operation conditions" may have bad influence on the characteristics and
reliability of the LCD panel and may shorten the life of the LCD panel.
Therefore, when designing the whole set, not to be over "the recommended operation conditions", you should fully take care
of supply voltage change, characteristic of connection parts, serge of input-and-output line, and surrounding temperature.
8) DISPOSAL
When dispose LCD module, obey to the applicable environmental regulations.
(9/9) 2010-02-19 (Ver.0.1)
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