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PDF LT121DEVKP00 Data sheet ( Hoja de datos )
| Número de pieza | LT121DEVKP00 | |
| Descripción | TFT LCD Module | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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PRODUCT INFORMATION
31cm COLOUR TFT-LCD MODULE
(12.1 TYPE) LT121DEVKP00
(p-Si TFT)
FEATURES
(1) 12.1”XGA(1280x800 pixels) display size for notebook PC
(2) LED Backlight with LED controller IC
(3) Anti - Glare Surface
(4) Bezel less structure
TENTATIVE
MECHANICAL SPECIFICATIONS
Item
Dimensional Outline (typ.)
Number of Pixels
Active Area
Pixel Pitch
Weight (Typ)
Backlight
Specifications
270.6(W) x 187.5 (H) x 2.95/3.45max(D) mm
1280(W) x 800(H) pixels
261.12(W) x 163.20(H) mm
0.204(W) x 0.204(H)
143 g
LED
ABSOLUTE MAXIMUM RATINGS
Item
Supply Voltage (VDD)
(VLED)
Input Signal Voltage (VIN)
Operating Temperature
Storage Temperature
Storage Humidity
Min. Max. Unit
-0.3 4.0
V
-0.3 22
V
-0.3 VDD+0.3
V
0 50 °C
-20 60 °C
10 90 %(RH)
ELECTRICAL SPECIFICATION
Item
Supply Voltage
Supply LED Voltage
LED brightness control Voltage
PWM frequency
Common Mode Input Voltage
Differential Input Voltage
Current Consumption*1
(VDD)
(VLED)
(VLEDC)
(fLED)
(VCM)
(VID)
(IDD)
Min.
3.0
5.0
3.3
150
0.8
100
---
Typ.
3.3
12.0
-
200
-
---
430
Max.
3.6
21.0
-
500
1.75
600
550
Unit Remarks
V
V
V PWM control
Hz
V
mV
mA
OPTICAL SPECIFICATION (Ta=25°C)
Item
Min. Typ. Max. Unit
Remarks
Contrast Ratio (CR)
140 250
---
---
Response Time
(tON), (tOFF)
---
---
50 ms
Luminance (L)
190
270
---
cd/m2
Duty 11/16
*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.
2010-02-18 (Ver.0.1)
One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
1 page  
Global LCD Panel Exchange Center
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LT121DEVKP00
TIMING SPECIFICATION
Item
Symbol
Min.
Typ.
Horizontal Scanning Term
H-sync Pulse Width
Horizontal Front Porch
Horizontal Back Porch
th
thw
thfp
thbp
ᙾ1650
4
4ᙾ
4ᙾ
1680
128
72
200
Horizontal Display Term
thd 1280
1280
Frame Period
V-sync Pulse Width
Vertical Front Porch
Vertical Back Porch
tv 820
ᙾtvw 1
ᙾtvfp 1
ᙾtvbp 2
831
6
3
22
Vertical Display Term
tvd 800
800
ᙾ፧ ወClock Period
tc
81(12.35ns)
83.5(11.98ns)
th = thd(1280) + thw + thfp +thbp tv = tvd(800) + tvw + tvfp + tvbp
Max.
1710
-
-
-
1280
850
-
-
-
800
85(11.76ns)
unit
tc
tc
tc
tc
tc
th
th
th
th
th
MHz
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.
(5/ )
2010-02-18 (Ver.0.1)
One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
5 Page | ||
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