Basic Information
40*4 Character LCM offers a high-capacity four-line display for equipment that needs long menus, grouped parameters, warnings, and user guidance on one screen. It combines STN positive viewing, yellow LED backlight, 18PIN interface, and 3.3V/5V drive support for stable panel integration. The 190.0x54.0mm module suits industrial controllers, test instruments, medical devices, power devices, terminals, and embedded systems requiring detailed character output during operation and maintenance.
Parameters:
| Character Type | 40X4 |
| Model | SJXD4004A |
| Model Size | 190×54×13 MM |
| VA Size | 149×30 MM |
|
Drive Voltage
|
3.3V/5.0V
|
|
Drive IC
|
AIP31068L
|
|
Backlight
|
Yellow LED backlight
|
|
LCD Type
|
STN Positive
|
|
Interface
|
18PIN |
| 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
40*4 Character LCM is a high-capacity character display module designed for equipment that needs long text lines and multiple information groups on one screen. The SJXD4004A model provides a 40×4 character layout, giving enough space for detailed menus, parameter values, warning notes, and operation instructions. It features a 190.0×54.0×13.0 mm module size, 149.0×30.0 mm viewing area, 3.3V/5.0V drive voltage, AIP31068L driver IC, 18PIN interface, yellow LED backlight, STN Positive LCD type, 06:00 viewing angle, -20°C to +70°C working temperature, and -30°C to +80°C storage temperature.
Design Standards
40*4 Character LCM is developed for large text presentation, stable panel connection, and reliable readability in electronic control interfaces. The 18PIN interface supports standard character LCD integration, making it practical for hardware designs that require a direct and proven connection structure. Its STN Positive display mode creates a light-background viewing style, while the yellow LED backlight gives the interface a warmer and more recognizable appearance. The module also supports high contrast, low power consumption, wide-temperature operation, anti-interference performance, multiple color combinations, complete technical documentation, source code support, customization, 1–3 day sample testing, and fast batch delivery planning.
Applications
40*4 Character LCM is suitable for products that need to show long operating content, grouped parameters, or detailed system feedback without using a graphic display. It can present machine settings, process values, alarm information, service guidance, diagnostic codes, timer records, menu layers, and user prompts across four extended rows. Common application fields include industrial controllers, testing instruments, medical equipment, power devices, communication terminals, information display panels, household appliances, consumer electronics, and embedded development projects. Its 40×4 structure, large viewing area, STN Positive readability, and yellow backlight make it useful for equipment interfaces that require rich character information and dependable daily 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.
