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>> LCD display module usage instructions 18th,May,2018
1-1. Installation
The LCD module is mounted on the PCB using the mounting holes on the device. Because the display inside the module is made of two thin glass pieces and is very fragile, special care must be taken when installing the application.
1-2. Cleaning of Modules
When cleaning the module, use a soft cloth to take a small amount of solvent (recommended below).
- Isopropyl alcohol
- Ethanol
Avoid scrubbing the display surface with dry or hard objects to prevent damage to the polarizer.
Do not use the following solvents:
- Water
- Ketones
- Aromatic compounds
1-3. Preventing static electricity
The driver IC used on the LCD module is a C-MOS large-scale integrated circuit. Therefore, do not connect any unused input terminals to VDD or Vss. Do not input any signal to the module before the power is turned on. Connect the operator's body, worktable, and mounting station to the ground. Install the device to prevent static electricity.
1-4. Packaging
The LCD module should not be subject to violent vibration or falling from a height.
To prevent the module from aging, avoid working or storing in direct sunlight or in high temperature and high humidity environment.
1-5. Operation (Notes)
- The LCD module must be driven within the specified voltage range. Higher than the specified driving voltage will shorten the life of the LCD module.
- DC current will cause the LCD to deteriorate, so avoid using DC drive.
- The response time of the LCD will be significantly longer when the temperature is lower than the operating temperature range, and the LCD color will be darker than the operating temperature range.
- The phenomena described above will return to normal when working within the recovery operating temperature range, not product quality issues.
- If the display area is pressed hard under working conditions, some characters will display an error, but it will return to normal after closing once.
- Condensation on the electrode terminals can cause an open circuit due to electrochemical reactions.
- The humidity should be less than 50%RH at the highest operating temperature.
1-6 Storage
If long-term storage (such as one year) is recommended to use the following method:
- Seal the module in a polyethylene plastic bag for moisture protection.
- Place in a place protected from light and at a temperature within the specified storage temperature range.
- Avoid any objects touching the polarizer surface during storage. (It is recommended to store in the inner bag when delivered)
1-7. Security
It is recommended to break the damaged or useless LCD module and clean the liquid crystal with ethanol and propanol before burning it out. If you accidentally stick the leaked LCD in the damaged LCD screen, wash it with soap and water.
2. Use cautions
2 -1. When the supply and demand sides agree to provide a certain number of samples for evaluation, a certain number of samples shall be provided according to the methods agreed upon by both parties. After the sample is confirmed, confirm that the sample will be batch-rated.
2-2. Solve the problem through negotiation between the two parties as follows:
- when there is a problem with this specification;
- when a new issue not specified in this Code occurs;
- When a customer has a problem with a change in inspection specifications and conditions of use;
- New problems occurred when the module sample size was evaluated at the customer's installation, and therefore there was a dispute.
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