Basic Information
Character LCD Display 20x4 gives equipment interfaces a practical four-line window for settings, readings, alerts, and user instructions. Its STN positive screen, yellow LED backlight, 16PIN connection, and 3.3V/5V drive support simple circuit design and clear character viewing. With a 98.0x60.0mm outline, the module suits meters, appliances, medical devices, communication products, industrial controllers, and DIY electronics requiring organized text display in daily operation, setup, maintenance, monitoring, and service tasks workflows.
Parameters:
| Character Type | 20X4 |
| Model | SJXD2004A |
| Model Size | 98.0×60.0×15.0 MM |
| VA Size | 76.0×25.2 MM |
|
Drive Voltage
|
3.3V/5.0V
|
|
Drive IC
|
ST7066/AIP31066
|
|
Backlight
|
Yellow LED Backlight
|
|
LCD Type
|
STN Positive
|
|
Interface
|
16PIN |
| Working Temperature |
-20°C - +70°C
|
|
Storage Temperature
|
-30°C - +80°C |
Feature
- High contrast, wide-temperature operation
- Low power consumption, high anti-interference performance
- Support for multiple color combinations
- Provide a complete set of one-stop technical information and source code
- Supports customization
- Supports 1-3 day samples
- High quality and cost-effective
- The fastest batch delivery can be achieved within 15 days
Key Specifications
Character LCD Display 20x4 is a compact alphanumeric LCD module designed to show four rows of structured information in equipment interfaces. The SJXD2004A model provides 20 characters per row and 4 display lines, allowing users to view menu items, measured data, operating states, and warning prompts on one screen. It features a 98.0×60.0×15.0 mm module size, 76.0×25.2 mm viewing area, 3.3V/5.0V drive voltage, ST7066/AIP31066 driver IC, 16PIN interface, yellow LED backlight, STN Positive LCD type, 06:00 viewing direction, -20°C to +70°C operating temperature, and -30°C to +80°C storage temperature.
Design Standards
Character LCD Display 20x4 is designed for straightforward controller connection, clear character recognition, and stable operation in compact electronic products. The 16PIN interface gives engineers a standard parallel connection method, making it suitable for product designs that require direct LCD control and predictable circuit layout. Its STN Positive display mode presents dark characters on a bright background, while the yellow LED backlight creates a classic industrial viewing style. The module also supports high contrast, wide-temperature performance, low power consumption, anti-interference capability, multiple color combinations, technical documentation, source code assistance, customization, 1–3 day sample testing, cost-effective production, and fast batch delivery.
Applications
Character LCD Display 20x4 is suitable for devices that need more information than a 16×2 display but still require a simple character LCD solution. It can display configuration pages, instrument values, operation records, error codes, service notices, user instructions, timer information, and equipment status in a neat four-line format. Common application fields include meters, control panels, information display systems, industrial equipment, medical devices, home appliances, consumer electronics, communication devices, and DIY electronics. Its 20×4 layout, STN Positive readability, yellow backlight, and 16PIN structure make it useful for reliable text display in long-term equipment operation.
Product Size
FAQ
Q: Do you provide samples?
A: Yes, samples are typically available within 1-3 days for customers to test and evaluate the module's performance and compatibility.
Q: How to customize this LCD display module?
A: The module can be customized according to customer requirements, including character display content, backlight color, shell design, and other parameters, to meet specific application needs.
Q: What applications is this module suitable for?
A: This module is suitable for applications requiring the display of large font characters and numbers, such as meters, equipment control panels, and information display systems.
Q: How is the quality of this module?
A: This module is manufactured using high-quality LCD panels and electronic components, designed to be stable and reliable, ensuring long-term stable operation and high-quality display performance.
Q: What is this screen used for？
A: Character LCD screens are widely used in home appliances, industrial controls, medical devices, consumer electronics, and DIY projects, suitable for displaying status information, menu options, and basic data.
If you would like to learn more or customize the LCD display screen you need, please feel free to contact us.
