LMR4234EW-WCB DENSITRON, LMR4234EW-WCB Datasheet - Page 51

• Manufacturer Part Number: LMR4234EW-WCB
• Description: LCD MODULE, 128X240, BLUE
• Manufacturer: DENSITRON

Specifications of LMR4234EW-WCB

• Lcd Display Type: STN
• Pixel Size (h X W): 0.43mm X 0.43mm
• Interface Type: Serial
• Viewing Area (h X W): 64mm X 114mm
• Supply Voltage: 5V
• External Depth: 14.3mm
• External Length /: RoHS Compliant
• Display Mode: Transmissive
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• Backlighting Colour: White
• Pixel Pitch (h X W): 0.45mm X 0.45mm

10 HANDLING PRECAUTIONS
Safety
If the LCD panel breaks, be careful not to get the liquid crystal fluid in your mouth or in your eyes.
If the liquid crystal touches your skin or clothes, wash it off immediately using soap and plenty of water.
Mounting and Design
Place a transparent plate (e.g. acrylic, polycarbonate or glass) on the display surface to protect the display from
external pressure. Leave a small gap between the transparent plate and the display surface.
When assembling with a zebra connector, clean the surface of the pads with alcohol and keep the surrounding air very
clean.
Design the system so that no input signal is given unless the power supply voltage is applied.
Caution during LCD cleaning
Lightly wipe the display surface with a soft cloth soaked with Isopropyl alcohol, Ethyl alcohol or
Trichlorotriflorothane.
Do not wipe the display surface with dry or hard materials that will damage the polariser surface.
Do not use aromatic solvents (toluene and xylene), or ketonic solvents (ketone and acetone).
Caution against static charge
As the display uses C-MOS LSI drivers, connect any unused input terminal to VDD or VSS. Do not input any signals
before power is turned on.
Also, ground your body, work/assembly table and assembly equipment to protect against static electricity.
Packaging
Displays use LCD elements, and must be treated as such. Avoid strong shock and drop from a height.
To prevent displays from degradation, do not operate or store them exposed directly to sunshine or high
temperature/humidity.
Caution during operation
It is indispensable to drive the display within the specified voltage limit since excessive voltage shortens its life.
Direct current causes an electrochemical reaction with remarkable deterioration of the display quality. Give careful
consideration to prevent direct current during ON/OFF timing and during operation.
Response time is extremely delayed at temperatures lower than the operating temperature range while, at high
temperatures, displays become dark. However, this phenomenon is reversible and does not mean a malfunction or a
display that has been permanently damaged.
If the display area is pushed on hard during operation, some graphics will be abnormally displayed but returns to a
normal condition after turning off the display once.
Even a small amount of condensation on the contact pads (terminals) can cause an electro-chemical reaction which
causes missing rows and columns. Give careful attention to avoid condensation.
Storage
Store the display in a dark place where the temperature is 25°C ± 10°C and the humidity below 50%RH.
Store the display in a clean environment, free from dust, organic solvents and corrosive gases.
Do not crash, shake or jolt the display (including accessories).
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