Basic Information
Character LCM Module provides a 40x4 display format for equipment that needs extended menus, parameter groups, warnings, and operating instructions on one screen. Its FSTN positive screen, white LED backlight, 18PIN interface, and 3.3V/5V drive support clear viewing and stable integration. The 190.0x54.0mm body suits controllers, instruments, medical devices, communication terminals, power systems, and embedded products requiring detailed character output during monitoring, testing, and maintenance daily operation and service workflows.
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
|
White LED backlight
|
|
LCD Type
|
FSTN 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
Character LCM Module is a 40×4 alphanumeric display solution developed for equipment that needs extended text presentation across four rows. The SJXD4004A model provides a wider display area for menu structures, operating records, measured values, warning notes, and user 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, white LED backlight, FSTN Positive LCD type, 06:00 viewing angle, -20°C to +70°C working temperature, and -30°C to +80°C storage temperature.
Design Standards
Character LCM Module is designed for larger character capacity, steady panel connection, and clear readability in equipment interface designs. The 18PIN connection provides a direct hardware structure for standard character LCD integration, helping engineers build reliable control boards without complex display architecture. Its FSTN Positive display mode improves character definition on a light background, while the white LED backlight gives the screen a clean and professional interface appearance. The module also supports high contrast, wide-temperature operation, low power consumption, anti-interference performance, multiple color combinations, technical documentation, source code assistance, customization, 1–3 day sample testing, and fast batch delivery planning.
Applications
Character LCM Module is suitable for products that need to show detailed character information without changing to a graphic display. It can present long menu names, machine parameters, test results, fault prompts, service reminders, process steps, timer records, and system feedback in a four-row layout. Common application fields include industrial controllers, measuring instruments, medical equipment, communication terminals, power devices, information display panels, household appliances, consumer electronics, and embedded development projects. Its 40×4 format, large viewing area, FSTN Positive readability, and white backlight make it useful for control interfaces requiring richer text output, stable operation, and practical product integration.
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.
