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PDF LTD121EX1S Data sheet ( Hoja de datos )
| Número de pieza | LTD121EX1S | |
| Descripción | TFT LCD Module | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LTD121EX1S (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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Specification No. G040110-I996
Sheet 4
(3) Power supply lines should be designed as follows.
Power supplies should always be turned on before the input signals are supplied to LCD module, and the input signals
should be disconnected before power supplies are turned off.
If the sequence does not satisfy specified conditions, it may cause miss-operation of the panel.
Refer to "2.4.2 Sequence of Power Supplies and Signals" for the detailed specification.
In addition, refer to individual specifications for unused terminals.
(4) DO NOT GIVE high voltage to "Low Voltage" side of the FL.
For example, DO NOT USE a floating inverter which gives high voltage to "Low Voltage" side. it may cause insufficient
brightness or unstable operation of FL, and smoke or burn of the parts.
(5) Make sure to connect correctly high-voltage wire and low-voltage wire between FL tube and inverter unit.
(6) Input FL starting voltage(VSFL) should not be less than two second.
If it were less than two second, it may cause unstable operation of FL.
Inverter should be design to stop output when the inverter is no-load to FL tubes (due to breakage of FL, etc.) to prevent
high-voltage generation.
When high voltage is applied to FL continuously without normal operation of FL (due to output leakage within FL wiring
circuit, etc.) it may cause smoke or burn. To prevent excess current, design the inverter with a protection circuit such as a
current limiter (excess current detection) to stop inverter output.
Please adjust inverter circuit parameters, such as capacitor, resistor, to assure the display quality is maintained.
There is a possibility that flicker is observed by the interference of LCD operating signal timing and FL driving condition
(especially driving frequency).
(7) In case of severe environmental condition like outdoor usage, a proper transparent protective cover(lens) over LCD
module is recommended to apply in order to prevent scratches, and invasion of dust, water, etc., from the system's
window onto LCD module.
Ultra-violet ray cut filter is recommended to apply onto LCD module for outdoor operation. Strong ultra-violet ray may
cause damage the panel. However, in that case, transmittance-luminance will decrease. Careful selection of material is
required.
(8) Design the system not to display same pattern for a long time in order to prevent image sticking on the panel. Note that
incorrect sequence of power supplies and input signals may cause the sticking on the panel, too.
(9) Some plastic materials and shock absorbing materials (rubber) used in the system may generate gases that may cause
the deterioration of the polarizer laminated on LCD’s panel or internal parts of the module. Prior confirmation is required.
(10) Some materials used for packaging (for which sulfuric acid is used in the recycling process) generate gases that may
cause the deterioration of the polarizer laminated on LCD’s panel or internal parts of the module. Prior confirmation is
required.
For Installation in Assembly
(1) The C-MOS LSIs used in LCD module are very sensitive to ESD (Electro-static Discharge).
Ambient humidity of working area is recommended to be higher than 50%(RH).
Person handling LCD modules should be grounded with wrist band. Tools like soldering iron and screw driver, and
working benches should be grounded.
The grounding should be done through a resistor of 0.5-1M: in order to prevent spark of ESD.
(2) When remove protection film from LCD panel, peer off the film slowly (more than three seconds) from the edge of the
panel, using a soft-pointed tweezers covered by Teflon or adherent tape.
Toshiba Matsushita Display Technology Co.,Ltd
Date:2004-09-13
Date: - -
New No.NR-LTD121EX1S-11
Old No.
m# Special m Addition m Change
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Specification No. G040110-I996
Sheet 10
2.3.2 Dimensional Outline
(front figure)
Unit : mm
Standard Tolerance: r0.5
Note) If customer remove tape for fixing FL cable, Toshiba Matsushita Display Technology can not guarantee.
Toshiba Matsushita Display Technology Co.,Ltd
Date:2004-09-13
Date: - -
New No.NR-LTD121EX1S-11
Old No.
m# Special m Addition m Change
One step solution for LCD / PDP / OLED panel application: Datasheet, inventory and accessory! www.panelook.com
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LTD121EX1S.PDF ] | |
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