What Is a Serial Port Screen?
The serial port screen, also known as intelligent serial port display, intelligent TFT LCD display module or UART TFT LCD, is a color LCD module that realizes display control and touch operation through serial communication. In simple terms, it is a display solution controlled by a single chip microcomputer or PLC, and its communication part is completed through serial ports (UAET, RS-232, RS-485 or SPI, etc.). The product size of the serial port screen covers a wide range, from small 1.8 inches, 2.4 inches to 15.6-inch serial port screens, which can meet the diverse display area and content requirements of different project equipment.
What is the core definition of serial port display?
The core difference between serial screens and conventional display screens lies in intelligent integration and decentralized computing. Traditional displays require the host controller to undertake all graphic calculation, pixel rendering, and driving work, which occupies massive controller memory and operating resources. In contrast, serial screens come with an independent built-in control system. All complex graphic processing, screen refreshing, and touch signal recognition are completed by the screen’s own MCU. The host device only needs to send simple text, picture, or control instructions through serial ports, without participating in underlying display driving operations.
The main application areas of serial port screens
Due to their simple integration, low power consumption, strong stability, and cost advantages, serial screens have been widely applied in industrial automation, smart home, medical equipment, commercial terminals, new energy equipment, and embedded development. The following is a detailed analysis of core application scenarios:
1. Industrial Automation
Industrial automation is one of the most core application areas of serial port screens. Serial port screens are widely used as human-machine interfaces (HMI) for industrial automation equipment, serving as display and operation terminals for PLC controllers, frequency converters, temperature control instruments, and other devices
2. Medical equipment
In the field of medical equipment, serial port screens also play an irreplaceable role. It is widely used in medical monitors, ward access control, bedside interaction systems, surgical instruments, and diagnostic equipment
3. Smart Home and Smart Home Appliances
The application of serial port screens in the field of smart homes is rapidly expanding. It is widely used in smart home control terminals, smart thermostats, smart access control systems and other devices. Users can achieve centralized control of home lighting, curtains, air conditioning, security systems and other equipment through the serial port screen
Unique Advantages of Serial Screens Over Traditional Displays
Compared with traditional parallel LCD screens, ordinary TFT displays, and high-end industrial touch screens, serial screens have obvious comprehensive advantages in development difficulty, hardware cost, power consumption, stability, and maintenance, which are the core reasons for their wide popularity in the industry.
1. Ultra-Low Development Threshold and Simplified Programming
Traditional display screens require developers to write complex underlying driver codes, configure pixel parameters, refresh frequencies, and graphic algorithms, which takes a lot of development time and requires professional embedded development technology. In contrast, serial screens realize zero underlying driver development. The official supporting software provides one-stop UI design, picture editing, and program burning functions. Developers only need to send simple text display, picture switching, and touch reading serial commands to complete interactive function development.
2. Simplified Hardware Wiring and Low Failure Rate
Traditional parallel displays require dozens of data lines and control lines for connection, with complex wiring, high welding difficulty, and high line failure rate. Serial screens only need 3 to 4 wires (power line, ground line, serial transmission line) to complete hardware docking . The ultra-simple wiring structure reduces hardware design difficulty, saves PCB board space, and avoids equipment failure caused by loose wiring and line interference.
3. Low Power Consumption and Energy-Saving Performance
Serial screens have built-in independent low-power control chips, which can automatically adjust power consumption according to working status. When the screen is statically displayed or in standby state, it can enter low-power operation mode. Compared with traditional displays that rely on high-power main controller driving, serial screens greatly reduce overall equipment power consumption.
About Company
Shenzhen Jingda Display Technology Co; Ltd.,(JDA in brief) is established in 2015, with a team of 10 experienced engineers in the LCD display industry. Through our continue innovations, it has developed into a high-tech enterprise integrating R&D, manufactures and sells display modules and HMI solution. JDA is committed to the perfect integration of intelligent technology and display technology, our company focused on the field of LCD display, and is committing to providing clients with high cost-effective LCD display product and display application solution. The main products include small and medium size monochrome LCD display and LCM, 0.96-25 inch TFT&OLED LCM HMI solutions, and touch screen, control panel, backlight, etc. With more than 10 years development, JDA has rich experiences in LCD display field, meanwhile it has own R&D team and factory, and has certain advantages in product quality and innovation ability.
