ESEN Optoelectronics produces a full range of monochrome LCD screens and LCD modules. The company is especially dedicated to customizing LCD screens and modules for its clients. Products manufactured by the company, such as segment-type, character dot matrix, graphic dot matrix LCD modules, and TFT display modules, are widely used in household appliances, automotive electronics, medical equipment, industrial instruments, and other fields. Since LCD module products are precision optoelectronic products, the following precautions should be observed during use:

1. Installation and Fixing

   The LCD panel is composed of two very thin layers of glass and polarizers, making it highly susceptible to damage. When installing and using the LCD module, please ensure that excessive impact is not applied.

2. Cleaning Treatment

   When cleaning the surface of the LCD panel, use a soft cloth dipped in the following solvents to wipe gently:

   • Isopropyl alcohol
   • Ethanol

   Do not use dry or hard materials to wipe the panel surface, as this will damage the polarizer on the panel.

   Especially avoid using the following solvents:

   • Water
   • Ketones
   • Aromatic hydrocarbon solvents
3. Electrostatic Prevention

   The LCD display module uses CMOS integrated chips for driving. Therefore, it is recommended to connect unused input pins to VDD or VSS. Do not input any signals into the module until the operator’s body is grounded and the power is turned on. All equipment in the work/assembly area must be protected against electrostatic discharge.

4. Storage and Packaging

   LCD modules are fragile components, and the packaging must protect them from damage due to severe shaking or falling from high places.

   To prevent accelerated product degradation, avoid exposing the modules to direct sunlight or storing them in high-temperature and high-humidity environments.

   For long-term storage (e.g., several years), it is recommended to store the module in a polyethylene bag, ensuring absolute sealing and dryness. Store in a dark place, and ensure that the polarizer surface does not come into contact with any other objects.

5. Usage Precautions

   Operate within the rated voltage range, as excessively high voltage will reduce the module’s lifespan.

   At low temperatures, the response speed of the LCD will decrease.

   Due to temperature effects, the display color of the module may vary to some extent at different temperatures.

   If pressure is applied to the display area, the display effect may be affected.

   If liquid adheres to the contact pins, chemical corrosion may occur when power is applied, leading to open circuits on the pins.

   Use within the operating temperature range.

6. Safety

   If liquid crystal leaks from the panel and comes into contact with your hands, wash it off with soapy water immediately. Be sure to avoid ingestion.