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Toshiba Mobile Display Co., Ltd. 31cm COLOUR TFT-LCD MODULE
(12.1 TYPE)
PRODUCT INFORMATION LT121DEE2P00
(p-Si TFT)
FEATURES
(1) 12.1"XGA(1024x768 pixels) display size for notebook PC
(2) Light weight, High Brightness(225cd/m2) design TENTATIVE
(3) LVDS interface system (H-Sync, V-Sync)
MECHANICAL SPECIFICATIONS
Item Specifications
Dimensional Outline (typ.) 255.5(W) x 199.0 (H) x 4.8max(D) mm
Number of Pixels 1024(W) x 768(H) pixels
Active Area 245.76(W) x 184.32(H) mm
Pixel Pitch 0.24(W) x 0.24(H)
Weight (Typ) 156 g
Backlight Single CCFL, Sidelight type
ABSOLUTE MAXIMUM RATINGS
4)
Item Symbol Min. Max. Unit Checked Terminal
Supply Voltage VDD -0.3 +4.0 V VDD - GND
Input Voltage of Signals VIN -0.3 VDD+0.3 V LVDS interface
FL Driving Voltage VFL - 2.0 kV(rms)
FL Driving Frequency fFL - 100 kHz
Operating Ambient Temperature TOP 0 +50 qC
Operating Ambient Humidity HOP 10 90 %(RH)
Storage Temperature TSTG -20 +60 qC
Storage Humidity HSTG 10 90 %(RH)
Operating Temperature for Panel - 0 +60 qC
ELECTRICAL SPECIFICATION
Item Symbol Min. Typ. Max. Unit Remark
Supply Voltage VDD 3.0 3.3 3.6 V
FL Input Current IFL 3.0 5.5 6.0 mA(rms)
FL Driving Voltage VFL 520 590 660 V(rms) IFL=5.5mA(rms)(Reference)
FL Driving Frequency fFL 30 50 60 kHz
FL Starting Voltage VSFL 1180 - 1950 V(rms) 0qC
OPTICAL SPECIFICATION (Ta=25qC)
Item Min. Typ. Max. Unit Remarks
Contrast Ratio (CR) 140 250 --- ---
Response Time (tON) --- --- 50 ms
(tOFF) --- --- 50 ms
2
Luminance (L) 168 225 --- cd/m IFL=5.5 mA(rms)
Viewing Angle U/D/R/L* 10/30/30/30 - - degree
*U: Upper side, D: Down side, R: Right side, L: Left side
*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.
(1/10) 2010-02-17 (Ver.0.1)
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LT121DEE2P00
Unit : mm
DIMENSIONAL OUTLINE TENTATIVE Standard tolerance : r0.5
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LT121DEE2P00
BLOCK DIAGRAM
X-driver
Y - d r i ve r
Y-driver
DC/DC
converter
Liquid Crystal Panel
Gray scale 1 0 2 4 x 76 8 p i x e l s
Manipulation
Voltage
Generation
Circuit
CN1
Connector
Panel
CN2
Controller Backlight
LVD S i ncl ude
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
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LT121DEE2P00
TIMING CHART
t 1
(1) Vertical Timing
t 2
NCLK
t 4 t 3
t 4
DE
R7-R0 X,1 X,2 X,3 X,4
G7-G0 X,Y
B7-B0 X,766 X,767 X,768
t 4
(2) Horizontal Timing t 6
t 5
t 7
NCLK
DE Xn,Y 1023,Y
R7-R0
1,Y 2,Y 3,Y 4,Y
G7-G0
B7-B0 1024,Y
tvw
VSYNC
tvsu tvhd tvbp th
HSYNC
tv p
ta tb
DE 767 768 1 2
th
thw
HSYNC
thfp twde thbp
DE
1024
Pixel Data 1 2 3 4 5
NCLK
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LT121DEE2P00
TIMING SPECIFICATION
Item Symbol min. typ. max. unit
Frame Period t1 778 x t4 806 x t4 860 x t4 -
Frame Frequency 1/t1 40 60 Hz
Vertical Display Term t2 768 x t4 768 x t4 768 x t4 -
Vertical Blanking Term t3 10 x t4 38 x t4 92 x t4 -
1 Line Scanning Time t4 1319 x t7 1344 x t7 1600 x t7 -
- 20.68 - us
Horizontal Display Term t5 1024 x t7 1024 x t7 1024 x t7 -
Horizontal Blanking Term t6 295 x t7 320 x t7 576 x t7 -
Clock Period t7 15 15.38 - ns
Clock Frequency 1/T7 - 65 66.6
V-Sync Pulse W idth tvw 2 x t4 - 7 x t4 -
V-Sync Set up Time tvsu 8 x t7 - - -
V-Sync Hold Time tvhd thbp+16 x t7 - - -
Vertical Front Porch tvfp 2 x t4 - - -
Vertical Back Porch tvbp 6 x t4 - - -
Horizontal Period th 1319 x t7 - 1600 x t7 -
20.04 - -
H-Sync Pulse W idth thw 8 x t7 - - -
Horizontal Front Porch thfp 4 x t7 - -
Horizontal Back Porch thbp 8 x t7 - -
thw+thbp 16 X t7 - -
DE Pulse W idth twde 1024 x t7 1024 x t7 1024 x t7 -
t3 = tvfp + tvw + tvbp
t4 = th
t6 = thfp + thw + thbp
Note 1) Refer to "TIA/EIA Timing Chart"
Note 2) If ENAB is fixed to "H" or "L" level for certain period while NCLK is supplied, the panel displays black with some
flicker.
Note 3) If NCLK is fixed to "H" or "L" level for certain period while ENAB is supplied, the panel may be damaged.
Note 4) 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), even if the condition satisfies above timing specifications and
recommended operating conditions shown in 3.
Note5 ) Do not make tv, tvdh and tvds fluctuate.
If tv, tvdh, and tvds are fluctuate, the panel displays black.
Note6) In case of using the long frame period, the deterioration of display quality, noise etc. may be occurred.
Note7) NCLK count of each Horizontal Scanning Time should be always the same.
V-Blanking period should be "n" X "Horizontal Scanning Time". (n: integer)
Frame period should be always the same.
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LT121DEE2P00
CONNECTOR PIN ASSIGNMENT FOR INTERFACE
CN1 INPUT SIGNAL
Connector : 20347-030E-02 / I-PEX)
[ Mating Connector : Wire Type 20345-030T]
Terminal No. Symbol Function
1 NC NC
2 NC NC
3 NC NC
4 NC NC
5 NC NC
6 NC NC
7 NC NC
8 VDD POWER SUPPLY : +3.3V
9 VDD POWER SUPPLY : +3.3V
10 VDD POWER SUPPLY : +3.3V
11 VDD POWER SUPPLY : +3.3V
12 VSS GND
13 VSS GND
14 NC NC
15 NC NC
16 NC NC
17 NC NC
18 NC NC
19 NC NC
20 VSS GND
21 VSS GND
22 RxIN0- Negative LVDS differential data input , [R0-R5, G0]
23 RxIN0+ Positive LVDS differential data input , [R0-R5, G0]
24 RxIN1- Negative LVDS differential data input , [G1-G5, B0-B1]
25 RxIN1+ Positive LVDS differential data input , [G1-G5, B0-B1]
26 RxIN2- Negative LVDS differential data input , [B2-B5, HS, VS, DE]
27 RxIN2+ Positive LVDS differential data input , [B2-B5, HS, VS, DE]
28 RxCLKIN- Negative LVDS differential clock input
29 RxCLKIN+ Positive LVDS differential clock input
30 VSS GND
Note 1) Please connect NC pin to nothing. Don't connect it to grand nor to other signal input.
Please connect GND to ground. Don't use it as no-connect nor connection with high impedance.
CN2 CCFL POWER SOURCE
Connector : BHSR-02VS-1/JAPAN SOLDERLESS TERMINAL MFG CO., LTD.
[ Mating Connector : SM02B-BHS-1/JAPAN SOLDERLESS TERMINAL MFG CO., LTD. ]
Terminal No. Symbol Function
1 VFLH CCFL POWER SUPPLY (HIGH VOLTAGE)
2 VFLL CCFL POWER SUPPLY (LOW VOLTAGE)
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LT121DEE2P00
RECOMMENDED TRANSMITTER (THC63LVDF63A,THC63LVDM63A,THC63LVDM63A-85)
TO LT121DEE2P00 INTERFACE ASSIGNMENT
Case1: 6bit Transmitter
THC63LVDF63A,THC63LVDM63A,THC63LVDM63A-85 LT121DEE2P00
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.22 IN0-
TIN3 48 R3 Red Pixels Display Data TOUT0+ No.23 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.24 IN1-
TIN10 10 G4 Green Pixels Display Data
TOUT1+ No.25 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.26 IN2-
TIN17 20 B5 Blue Pixels Display Data (MSB)
TOUT2+ No.27 IN2+
TIN18 22 HSYNC H-Sync
TIN19 23 VSYNC V-Sync
TIN20 25 DE Compound Synchronization Signal
TCLK OUT- No.28 CLK-
CLK IN 26 CLK Data Sampling Clock
TCLK OUT+ No.29 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
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LT121DEE2P00
RECOMMENDED TRANSMITTER (THC63LVDF63A,THC63LVDM63A,THC63LVDM63A-85)
TO LT121DEE2P00 INTERFACE ASSIGNMENT
Case2: 8bit Transmitter
THC63LVDF63A,THC63LVDM63A,THC63LVDM63A-85 LT121DEE2P00
Input Signal Output Interface
Input Terminal No. (CN1)
(Graphics controller output signal) Signal
Symbol Terminal Symbol Function Symbol Terminal Symbol
TIN0 51 R0 Red Pixels Display Data (LSB)
TIN1 52 R1 Red Pixels Display Data
TIN2 54 R2 Red Pixels Display Data
TOUT0- No.22 IN0-
TIN3 55 R3 Red Pixels Display Data TOUT0+ No.23 IN0+
TIN4 56 R4 Red Pixels Display Data
TIN6 3 R5 Red Pixels Display Data (MSB)
TIN7 4 G0 Green Pixels Display Data(LSB)
TIN8 6 G1 Green Pixels Display Data
TIN9 7 G2 Green Pixels Display Data
TIN12 11 G3 Green Pixels Display Data
TOUT1- No.24 IN1-
TIN13 12 G4 Green Pixels Display Data
TOUT1+ No.25 IN1+
TIN14 14 G5 Green Pixels Display Data(MSB)
TIN15 15 B0 Blue Pixels Display Data (LSB)
TIN18 19 B1 Blue Pixels Display Data
TIN19 20 B2 Blue Pixels Display Data
TIN20 22 B3 Blue Pixels Display Data
TIN21 23 B4 Blue Pixels Display Data
TOUT2- No.26 IN2-
TIN22 24 B5 Blue Pixels Display Data (MSB)
TOUT2+ No.27 IN2+
TIN24 27 HSYNC H-Sync
TIN25 28 VSYNC V-Sync
TIN26 30 DE Compound Synchronization Signal
TIN27 50 NC Non Connection (open)
TIN5 2 NC Non Connection (open)
TIN10 8 NC Non Connection (open)
TOUT3-
TIN11 10 NC Non Connection (open)
TOUT3+
TIN16 16 NC Non Connection (open)
TIN17 18 NC Non Connection (open)
TIN23 25 NC Non Connection (open)
TCLK OUT- No.28 CLK-
CLK IN 31 CLK Data Sampling Clock
TCLK OUT+ No.29 CLK+
Note 1) Please connect NC pin to nothing. Don't connect it to ground nor to other signal input.
IN 0 T IN 7 T IN 6 T IN 4 T IN 3 T IN 2 T IN 1 T IN 0
G0 R5 R4 R3 R2 R1 R0
IN 1 T IN 1 8 T IN 1 5 T IN 1 4 T IN 1 3 T IN 1 2 T IN 9 T IN 8
B1 B0 G5 G4 G3 G2 G1
IN 2 T IN 2 6 T IN 2 5 T IN 2 4 T IN 2 2 T IN 2 1 T IN 2 0 T IN 1 9
DE VSYNC HSYNC B5 B4 B3 B2
IN 3 T IN 2 3 T IN 1 7 T IN 1 6 T IN 1 1 T IN 1 0 T IN 5 T IN 2 7
NC NC NC NC NC NC NC
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LT121DEE2P00
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
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LT121DEE2P00
! 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-D-001A,"CAUTIONS AND INSTRUCTIONS FOR TOSHIBA MOBILE DISPLAY
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's 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) DISPOSAL
When dispose LCD module, obey to the applicable environmental regulations.
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