Product Overview
The LCM4002A-1 is a character LCD display using COB technology, launched by Hengxunchuang (HxcDisplay). It is manufactured in Guangdong, China, and belongs to the 40×2 dot-matrix bar-type industrial display module series. The product employs STN blue film negative display mode, with a drive configuration of 1/16 Duty and 1/5 Bias. It supports dual operating voltages of 3.3V and 5.0V, offers a 6:00 viewing angle, and features a white LED high-brightness backlight along with the mature and stable AIP31066 controller IC. The module measures 182.0W×33.5H×14.5T mm, comes equipped with a 16-pin universal interface, operates within a temperature range of -20℃ to +70℃, and can be stored at -30℃ to +80℃. It boasts wide-temperature durability and excellent contrast. This bar-shaped screen supports both standard and custom sizes, delivering clear visuals and strong compatibility, making it widely applicable in industrial controllers, measuring instruments, bar control panels, and IoT terminals—making it an ideal character display component for industrial equipment and overseas ODM/OEM projects.
Operating Principle
Utilizing COB technology combined with STN blue film negative display technology, and adhering to standard drive parameters of 1/16 Duty and 1/5 Bias, this module achieves high-contrast display performance, ensuring clear readability even in low-light conditions.
Equipped with the mature AIP31066 driver chip, the circuit design is stable and reliable, while the 16-pin universal interface enables quick integration with various embedded master control devices.
Supports two power supply specifications—3.3V and 5.0V—making it compatible with mainstream industrial circuit systems and expanding its hardware adaptation scope.
The white LED high-brightness backlight further enhances screen visibility, and together with the standard 6:00 viewing angle, it meets the daily observation needs of industrial equipment.
Its industrial-grade hardware architecture exhibits excellent temperature resistance, allowing stable operation across typical industrial temperature ranges; the bar-shaped form, coupled with customization services, adapts seamlessly to various long, narrow device mounting structures.
Core Advantages and Selling Points
High-contrast blue film negative display delivers outstanding visual performance: The STN blue film negative design provides high image contrast, effectively addressing the issue of weak visual appeal common in ordinary screens, ensuring clear readings even in dim lighting.
High-brightness white backlight ensures all-day readability: Featuring a white LED high-brightness backlight, it functions normally under both bright and dim lighting conditions, enhancing overall device usability.
16-pin universal interface with strong compatibility: With a standardized 16-pin interface design, it easily connects to mainstream industrial control motherboards, reducing hardware adaptation errors.
Mature AIP31066 driver ensures stable operation: Utilizing a widely available driver IC, the solution has undergone extensive long-term validation, minimizing failures under industrial operating conditions.
Industrial wide-temperature design for lasting durability: Operating within a temperature range of -20℃ to +70℃ and storing between -30℃ and +80℃, it adapts well to workshops, outdoor environments, and other diverse industrial settings.
Dual-voltage support of 3.3V and 5.0V for broader applicability: The dual-voltage design allows compatibility with different types of industrial equipment and IoT terminal circuits.
Bar-shaped structure tailored for specialized devices: With a 40×2 bar-shaped dot matrix layout, specifically designed for bar-type control panels and instrumentation, it resolves challenges associated with fitting irregularly shaped device screens.
Customizable sizes for flexible selection: Offering standard specifications while also providing on-demand size customization, it meets the personalized assembly requirements of ODM/OEM projects and various devices.
Complete Product Specifications
Product Name: LCM4002A-1 Character LCD Screen
Product Type: COB Character LCD Display
Brand: Hengxunchuang (HxcDisplay)
Place of Manufacture: Guangdong, China
Dot Matrix Specification: 40×2
Display Mode: STN Blue Film Negative
Drive Method: 1/16 Duty, 1/5 Bias
Operating Voltage: 3.3V / 5.0V
Viewing Angle: 6:00
Backlight: White LED High-Brightness Backlight
Controller IC: AIP31066
Interface Specification: 16-Pin Universal Interface
Module Dimensions: 182.0W×33.5H×14.5T mm
Operating Temperature: -20℃ ~ +70℃
Storage Temperature: -30℃ ~ +80℃
Form Factor: Bar-Shaped Display
Size Services: Standard Sizes Available, Custom Sizes Supported
Target Customer Groups
Industrial instrument manufacturers, automation equipment companies, embedded solution providers, overseas ODM/OEM clients, IoT device manufacturers, and industrial control system integrators.
Application Scenarios
Character display module integration for industrial controllers
LCD screen assembly for precision measuring instruments
Integration into bar-shaped equipment control panels
Human-machine interface installation on IoT terminals
Bulk supply of display components for overseas ODM/OEM projects
Solving Industry Pain Points
Addresses the issue of insufficient contrast in conventional character displays, where data becomes difficult to read in low-light conditions.
Resolves the problem of poor temperature resistance in ordinary LCD panels, which often fail under harsh industrial wide-temperature conditions.
Overcomes the challenge of matching long, narrow control devices and irregularly shaped instruments with standard displays.
Tackles the frequent occurrence of drive and interface incompatibilities in some display modules, leading to recurring equipment malfunctions.
Core Product Value
The LCM4002A-1 bar-shaped character screen provides industrial and overseas equipment manufacturers with a mature display solution:
High-contrast negative display plus high-brightness backlight ensures normal readings even in dark or dim lighting conditions, enhancing user experience;
Wide-temperature industrial design paired with mature drive technology guarantees stable and reliable operation, reducing equipment downtime due to failures;
Precise bar-shaped form perfectly matches bar-type control panels and instruments, while dual voltage and universal interface lower R&D adaptation costs;
Supports both customization and bulk supply, perfectly aligning with ODM/OEM project requirements and large-scale production needs.
Frequently Asked Questions (FAQ)
Q1: What are the dot matrix specification, interface, and physical characteristics of this screen?
A: The dot matrix is 40×2, featuring a 16-pin universal interface, and it falls under the category of bar-shaped character LCD modules.
Q2: What are the display mode and backlight type?
A: It uses STN blue film negative display, paired with a white LED high-brightness backlight, resulting in high image contrast.
Q3: What are the operating voltage and driver chip?
A: It supports dual voltages of 3.3V and 5.0V, and is equipped with the mature AIP31066 controller IC.
Q4: What is the temperature tolerance range, and is it suitable for industrial use?
A: Operating temperature ranges from -20℃ to +70℃, and storage temperatures span from -30℃ to +80℃. Its wide-temperature industrial design makes it adaptable to various industrial conditions.
Q5: Does it support bulk purchasing and size customization?
A: Yes, it supports bulk orders, and can also customize screen sizes according to specific equipment needs.
