Product Overview
The LCM4004A1 is a character LCD display using COB technology, launched by Hengxunchuang (HxcDisplay). It is manufactured in Guangdong, China, and belongs to the industrial-grade 40×4 dot-matrix display module category. The product employs an STN yellow-green positive-display mode, with a drive configuration of 1/16 Duty and 1/5 Bias. It supports two operating voltages—3.3V and 5.0V—and offers a viewing angle of 6:00. Equipped with a yellow-green LED backlight and featuring the mature, stable AIP31066 controller IC, the module measures 190.0W×54.0H×13.8T mm overall. It comes with an 18-pin universal interface, operates within a temperature range of -20℃ to +70℃, and can be stored at temperatures from -30℃ to +80℃. This screen boasts wide-temperature durability and stable performance. Available in both standard and custom sizes, it delivers high-capacity 40×4 multi-row display capability, offering strong hardware compatibility and excellent cost-effectiveness. It is widely used in industrial data equipment, automation control systems, precision instruments, smart home appliances, and other fields, making it an ideal character display accessory for multi-channel data terminals.
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, this screen ensures stable and consistent color reproduction and display quality.
Equipped with the dedicated AIP31066 driver IC, the circuit design is mature and reliable. Featuring an 18-pin universal interface, it enables quick connection to various host controllers, significantly reducing the likelihood of compatibility issues.
Supporting dual-voltage operation at 3.3V and 5.0V, it adapts seamlessly to mainstream industrial circuits, broadening its applicability.
The yellow-green LED backlight enhances visibility in low-light conditions, while the standard 6:00 viewing angle meets typical observation needs in industrial settings.
Its industrial-grade hardware design provides excellent thermal resistance, ensuring long-term stable operation within conventional industrial temperature ranges. Additionally, it supports custom sizing to accommodate diverse installation requirements.
Core Advantages and Selling Points
40×4 multi-row display with large data capacity: With a 40-column, 4-row dot-matrix layout, it can simultaneously present extensive character information, perfectly meeting the demands of displaying complex, multi-channel data.
Mature AIP31066 driver for stable operation: Featuring a universally compatible, well-established driver IC, this solution has been market-tested, resulting in low failure rates and reduced downtime costs.
18-pin universal interface with strong hardware compatibility: Its standardized 18-pin connector design fits most industrial motherboards, effectively preventing hardware compatibility issues.
Dual-voltage options for broad adaptability: Supporting both 3.3V and 5.0V, it accommodates industrial equipment and smart home appliances with varying power supply specifications.
Industrial-wide temperature design for durability: Operating within -20℃ to +70℃ and storing between -30℃ and +80℃, it adapts to factory floors, workshops, and other industrial environments.
High cost-effectiveness for controlling production expenses: Offering competitive pricing compared to similar multi-line display screens, it helps businesses significantly reduce overall manufacturing and component procurement costs.
Customizable dimensions for flexible selection: Providing standard specifications while also allowing size customization to suit various equipment assembly scenarios.
Complete Product Specifications
Product Name: LCM4004A1 Character LCD Screen
Product Type: COB Character LCD Display
Brand: Hengxunchuang (HxcDisplay)
Origin: Guangdong, China
Dot-Matrix Specification: 40×4
Display Mode: STN Yellow-Green Positive Display
Drive Configuration: 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: 18-Pin Universal Interface
Module Dimensions: 190.0W×54.0H×13.8T mm
Operating Temperature: -20℃ to +70℃
Storage Temperature: -30℃ to +80℃
Size Services: Standard Sizes Available; Custom Sizes Supported
Target Customer Groups
Industrial data equipment manufacturers, automation control companies, precision instrument producers, overseas bulk purchasers, smart home appliance makers, and multi-channel data terminal suppliers.
Application Scenarios
Used as a display component on industrial data acquisition and control panels.
Integrated into character display modules for automated control devices.
Installed as an LCD screen on industrial testing instruments.
Mounted as part of the human-machine interface for multi-channel data terminals.
Served as a display component for smart home appliances and as part of overseas bulk component procurement.
Solving Industry Pain Points
Addresses the issue of high procurement costs associated with traditional multi-line display screens, thereby alleviating enterprises’ production expense burdens.
Resolves problems caused by mismatched hardware interfaces or drivers in some display modules, which frequently lead to compatibility failures.
Overcomes the limitation of conventional small-row displays, which cannot adequately showcase complex, multi-channel data.
Mitigates the instability of ordinary LCD panels in industrial environments, where frequent malfunctions and shutdowns result in significant losses.
Core Product Value
The LCM4004A1 character LCD module provides industrial and consumer equipment manufacturers with a highly cost-effective display solution:
Its affordable pricing helps businesses effectively manage overall production costs, with notable advantages in bulk purchasing;
The mature driver and universal interface greatly reduce compatibility-related failures, while its stable wide-temperature performance minimizes equipment downtime and associated losses;
With its 40×4 large-capacity display capability, it effortlessly handles complex, multi-channel monitoring data, fully adapting to various industrial control and data acquisition scenarios.
Common Questions FAQ
Q1: What are the dot-matrix specifications and interface type of this LCD screen?
A: The dot-matrix specification is 40×4, equipped with an 18-pin universal interface, offering strong hardware compatibility.
Q2: Which operating voltages does it support?
A: It supports both 3.3V and 5.0V, making it adaptable to different circuit configurations.
Q3: What driver chip is used, and how stable is its operation?
A: It features the mature AIP31066 driver IC, delivering stable performance with a low long-term failure rate.
Q4: What is its operating temperature range, and is it suitable for industrial environments?
A: Operating temperature: -20℃ to +70℃; storage temperature: -30℃ to +80℃. Its wide-temperature industrial design makes it suitable for various industrial conditions.
Q5: Does it support bulk purchasing and size customization?
A: With its high cost-effectiveness, it supports bulk orders, and can also customize display sizes according to specific needs.
