What industries are 3.5-inch LCD screens suitable for?
What industries are 3.5-inch LCD screens suitable for?The 3.5-inch LCD screen, with its moderate size, mature tech...
What industries are 3.5-inch LCD screens suitable for?
The 3.5-inch LCD screen, with its moderate size, mature technology, and high cost-effectiveness, is widely used in devices that require compact space for information display and human-computer interaction.
The table below summarizes its main application industries and typical equipment for you.
Application Industry | Typical equipment/scenario |
Industrial automation and control | Human-Machine Interface (HMI), PLC control panel, instrument panel, handheld detection equipment, motor/driver display screen. |
Medical and health equipment | Diagnostic or monitoring devices such as portable monitors, infusion pumps, handheld ultrasound machines, blood glucose meters, and electronic blood pressure monitors. |
Smart home and Internet of Things | Intelligent central control panel (embedded switch panel), home appliance control panel, building intercom system, security control terminal, energy management system interface. |
Consumer and commercial electronics | Handheld game consoles, portable media players, smart POS machines, taxi meters, OBD on-board diagnostic devices, and self-service terminal interfaces. |
Why do these industries favor 3.5-inch screens?
Different industries choose it mainly based on the following points:
Size balance: It can clearly display key parameters, simple graphics, or operation interfaces without occupying too much device space, making it ideal for embedding into various portable or miniaturized devices.
Performance adaptation: The mainstream resolution is 320x480 or 640x480, which can meet the clarity requirements of most scenarios. At the same time, high brightness (visible in sunlight) or wide temperature operation (suitable for industrial or outdoor environments) can be achieved through customization, as well as resistive or capacitive touch.
Reliability and Cost: The technology is highly mature, with stable supply. The overall cost, including the screen itself and the accompanying drive solution, is competitive, making it suitable for large-scale commercial use.
How to choose for your project?
When making your selection, you can focus on these parameters:
Working environment: If your equipment is used outdoors or under strong light, brightness should be considered (usually requiring a brightness of over 500 nits); if it is used in high-temperature or low-temperature workshops, the operating temperature range needs to be confirmed.
Interaction mode: Choose between resistive touch (operable with stylus or gloves) or capacitive touch (multi-touch, smoother hand feel).
Interfaces and Drivers: Confirm whether the screen's interface (such as RGB, LVDS, MIPI, etc.) is compatible with your project's main control chip (MCU). This can greatly reduce development difficulty.
Customization requirements: If there are special requirements (such as ultra-thin, irregular cutting, specific protection level, etc.), you can directly communicate with professional display module suppliers to discuss customization plans.
If you could inform me of your specific project type or the environment in which the equipment is located (such as indoor handheld devices or outdoor meters), I can assist you in analyzing the specific focuses for technology selection.
3.5-inch LCD screens ：https://www.idtdisplay.com/products/innolux-lcd/3-5inch/
TFT LCD:https://www.idtdisplay.com/
