

Product Overview
The LCM2004A is a character LCD display with COB technology, launched by Hengxunchuang (HxcDisplay). It is manufactured in Guangdong, China, and features a 20×4 dot-matrix specification, making it a versatile display module for industrial control applications. The product employs an STN yellow-green positive-display mode, driven at 1/16 Duty and 1/5 Bias, and is compatible with both 3.3V and 5.0V operating voltages. It offers a 6:00 viewing angle, is equipped with a yellow-green LED backlight, and incorporates the mature, stable AIP31066 controller IC. The module measures 98.0W×60.0H×15.0T mm and comes with a standard 16-pin interface. Its operating temperature ranges from -20℃ to +70℃, while its storage temperature spans -30℃ to +80℃. With wide-temperature durability and support for custom characters, this product is available in standard and customized sizes, offering excellent cost-effectiveness and strong hardware compatibility. It finds extensive use in industrial control panels, smart home devices, measurement and testing instruments, and small IoT terminals, making it an ideal display component for embedded and automation systems.
Operating Principle
Utilizing COB technology combined with STN yellow-green positive-display technology, and adhering to standard drive parameters of 1/16 Duty and 1/5 Bias, the display delivers uniform, clear visuals and intuitive readings.
Equipped with the mature AIP31066 driver chip, the circuit design has been market-tested for stable performance. Featuring a 16-pin universal interface, it enables quick integration with various embedded master controllers, reducing compatibility challenges.
Supporting dual-voltage operation at 3.3V and 5.0V, it adapts to mainstream industrial and consumer circuit systems, broadening its applicability.
The yellow-green LED backlight enhances visibility in low-light conditions, while also supporting custom character editing, allowing flexible configuration of displayed content based on device requirements.
Its industrial-grade hardware architecture boasts superior temperature resistance, ensuring long-term stable operation within typical industrial temperature ranges. Additionally, the display size can be customized according to installation needs.
Core Advantages and Selling Points
16-pin universal interface for easy connection: Standardized interface design ensures high compatibility with most motherboards, simplifying equipment integration and boosting R&D and assembly efficiency.
Supports custom characters for flexible use: Users can independently edit and configure character content, breaking display limitations and meeting diverse device display needs.
Mature AIP31066 driver for reliable operation: The widely adopted driver IC solution demonstrates low failure rates under industrial conditions, minimizing equipment downtime.
Industrial-wide temperature design for robust durability: Operating temperature range of -20℃ to +70℃, with storage temperatures from -30℃ to +80℃, adapting to various workshop and indoor environments.
Dual-voltage options at 3.3V and 5.0V for broad compatibility: Dual voltage choices accommodate different power supply specifications of industrial control and smart devices.
STN yellow-green positive display for excellent visual performance: Classic yellow-green display paired with LED backlight ensures high recognizability and clear everyday readability.
High cost-effectiveness with strict cost control: Affordably priced, effectively reducing enterprise material procurement costs, suitable for mass production.
Supports size customization for diverse selection: In addition to standard specifications, custom sizes can be tailored to meet the installation layout requirements of different devices.
Complete Product Specifications
Product Name: LCM2004A Character LCD Screen
Product Type: COB Character LCD Display
Brand: Hengxunchuang (HxcDisplay)
Origin: Guangdong, China
Dot-Matrix Specification: 20×4
Display Mode: STN Yellow-Green Positive Display
Drive Method: 1/16 Duty, 1/5 Bias
Operating Voltage: 3.3V / 5.0V
Viewing Angle: 6:00
Backlight: Yellow-Green LED Backlight
Controller IC: AIP31066
Interface Specification: 16-Pin Universal Interface
Module Dimensions: 98.0W×60.0H×15.0T mm
Operating Temperature: -20℃ ~ +70℃
Storage Temperature: -30℃ ~ +80℃
Special Feature: Supports Custom Characters
Size Service: Standard Sizes Available, Custom Sizes Supported
Target Customer Groups
Embedded device manufacturers, automation companies, instrument and meter producers, cross-border suppliers, smart home appliance makers, and IoT device providers.
Application Scenarios
Character display integration on industrial control panels
Display module pairing for smart home devices
LCD screen assembly for measurement and testing instruments
Human-machine interface integration in small IoT terminals
Bulk procurement of industrial LCD components and cross-border trade supplies.
Solving Industry Pain Points
Addresses the issue of relatively high procurement costs for similar displays, which increase equipment material expenses.
Resolves difficulties caused by mismatched interfaces and drivers among some display modules, leading to challenging hardware compatibility.
Overcomes limitations in character editing on ordinary screens, failing to meet personalized display needs.
Tackles the problem of poor stability and frequent malfunctions of conventional LCD screens in industrial environments, impacting normal equipment operation.
Core Product Value
The LCM2004A industrial character screen provides cost-effective solutions for various equipment manufacturers:
Affordable pricing effectively reduces material procurement costs; the universal interface simplifies equipment integration and shortens development cycles.
Mature drivers and wide-temperature performance ensure stable equipment operation, minimizing losses due to breakdowns and downtime.
Custom character functionality flexibly adapts to different display scenarios, complemented by customization services, fully meeting both mass production and personalized assembly requirements.
Frequently Asked Questions (FAQ)
Q1: What are the dot-matrix specification, dimensions, and interface of this screen?
A: The dot matrix is 20×4, the module dimensions are 98.0W×60.0H×15.0T mm, and it uses a standard 16-pin universal interface.
Q2: What are the operating voltages and the driver chip?
A: It supports dual voltages of 3.3V and 5.0V, and is equipped with the AIP31066 controller IC, featuring a mature and stable solution.
Q3: Can I customize the characters?
A: Yes, custom character editing is supported, allowing you to adjust the displayed content according to your usage needs.
Q4: What is the temperature tolerance range, and is it suitable for industrial use?
A: The operating temperature range is -20℃ to +70℃, with an industrial-wide temperature design that adapts well to industrial control, instrumentation, smart devices, and other scenarios.
Q5: Do you support bulk purchasing and size customization?
A: With its high cost-effectiveness, the product supports large-scale purchases, and size customization is also available upon request.