LM057QCTT03 Sharp Microelectronics of the Americas, LM057QCTT03 Datasheet - Page 6

• Manufacturer Part Number: LM057QCTT03
• Description: Device Specification For Passive Matrix LCD Module
• Manufacturer: Sharp Microelectronics of the Americas

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Designing system chassis
Designing print circuit
2. Assemble design
3. Touch panel picks up a noise easily. It is recommended to earth or do other noise protections. Otherwise,
1. Retain the air gap between upper electrode film and front chassis.
2. Contact of the upper and lower electrode generates a contact resistance. Access by pen or finger to the
1. There is a contact resistance between upper and lower electrodes of the touch panel. It is recommended
b) Make sure not to swell the upper electrode film by atmospheric pressure difference between inside and
c) Prevent vapor condensation to the touch panel. Do not expose the touch panel to high humidity
a) Do not glue nor tape system front chassis to the surface of touch panel(upper electrode fam) as it may
b) Flexible material such as rubber is recommended as cushioning materials. It should be placed outside of
a) Retain minimum
a functional error.
it may cause a functional error.
to set the impedance of detecting circuit high enough. Low impedance detecting circuit may cause a
functional error.
touch panel should be started after the contact resistance becomes stable. Otherwise, it may cause
b) As the purpose of the inactive area is to keep the flatness of the upper electrode ftirn in the touch panel
carefully so that liquid will not penetrate into touch panel.
outside of the system. If it is swelled, it may cause a deterioration of durability of the touch panel and
may cause a functional error.
Atmosphere, vaporous air, or to any liquid such as water. It may cause a leakage inside the touch panel
structure:
between film and glass. Liquid penetrate into touch panel easily due to this structure. Design the system
lead to peeling off of the upper electrode film
Upper electrode film and lower electrode glass are fied by adhesive, and there is a ventilation
visible area. If it is placed onto inactive area, it may cause a functional error due to deformation
pressure on upper electrode film. If there is any pressure on it, it may cause a functional error due to
the deformation of the upper electrode film.
the upper electrode film.
structuie. hard push by pen or by system chassis may cause a functi&al
in contact with lower electrode and may cause a electrical leakage.
of 0.3mm air gap above the inactive area so that the front chassis does not make a
r
SPEC No.
LC99908
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MODEL No.
LM057QCTT03
error.
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PAGE
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