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1. General Description
This specification applies to the 40.0 inch Color TFT-LCD Module T400HW01 V0. This LCD module has a
TFT active matrix type liquid crystal panel 1,920x1,080 pixels, and diagonal size of 40.0 inch. This module
supports 1,920x1,080 mode. Each pixel is divided into Red, Green and Blue sub-pixels or dots which are
arranged in vertical stripes. Gray scale or the brightness of the sub-pixel color is determined with a 8-bit gray
scale signal for each dot.
The T400HW01 V0 has been designed to apply the 8-bit 2 channel LVDS interface method. It is intended to
support displays where high brightness, wide viewing angle, high color saturation, and high color depth are very
important.
* General Information
Items Specification Unit Note
Active Screen Size 40.00 inch
Display Area 885.6(H) x 498.15(V) mm
Outline Dimension 952.0(H) x 551.0 (V) x 53.2(D) mm With Balance board
Driver Element a-Si TFT active matrix
Display Colors 8 bit, 16.7M Colors
Number of Pixels
Pixel Pitch
Color Gamut 92 % NTSC
Pixel Arrangement RGB vertical stripe
Display Operation Mode Normally Black
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3. Electrical Specification
The T400HW01 V0 requires two power inputs. One is employed to power the LCD electronics and to drive the
TFT array and liquid crystal. The second input, which powers the CCFL, is typically generated by an integrate
power (I/P) system.
3.1 Electrical Characteristics
Parameter Symbol
Power Supply Input Voltage VDD 10.8 12 13.2 VDC
Power Supply Input Current IDD -- 1.08 1.2 A 1
Power Consumption PC -- 13 15.84 Watt 1
Inrush Current I
Differential Input
High Threshold
Voltage
LVDS Interface
CMOS
Interface
Backlight Power Consumption PBL -- 210 -- Watt 2
Life Time 30000 -- -- Hours 3
The performance of the Lamp in LCD panel, for example life time or brightness, is extremely influenced
by the characteristics of the balance board and I/P board. All the parameters should be carefully designed as
not to produce too much leakage current from high-voltage output. While design or order balance board,
please make sure unwanted lighting caused by the mismatch of the lamp and balance board (no lighting,
flicker, etc) never occurs. After confirmation, the LCD Panel should be operated in the same condition as
installed in your instrument.
Differential Input
Low Threshold
Voltage
Common Input
Voltage
Input High
Threshold Voltage
Input Low
Threshold Voltage
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μ
Do not attach a conducting tape to lamp connecting wire. If the lamp wire attach to conducting tape,
TFT-LCD Module has a low luminance and the inverter has abnormal action, because leakage current
occurs between lamp wire and conducting tape.
The relative humidity must not exceed 80% non-condensing at temperatures of 40°C or less. At
temperatures greater than 40°C the wet bulb temperature must not exceed 39°C. When operate at low
temperatures, the brightness of CCFL will drop and the lifetime of CCFL will be reduced.
Note:
1. V
2. The backlight power consumption shown above is tested by lamp current I
3. The life is determined as the time at which luminance of the lamp is 50% compared to that of initial
4. V
=12.0V, fV=60Hz, f
DD
value at the typical lamp current on condition of continuous operating at 25±2°C.
=1.25V
CIM
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CLK
=81.5Mhz, 25°C, VDD duration time=400μs, test pattern: white pattern