





3.4 Inch Bar Type LCD Module for Embedded Devices and Smart Display Applications
3.4 Inch Bar type LCD Module for Embedded Devices and Smart Display Applications
Compact portrait Bar type LCD Module with 180 × 640 resolution, 300 nits brightness, SPI / MCU / MIPI interface, and AXS15231B driver IC for embedded display integration.
The 3.4 inch Bar type LCD Module is a compact portrait TFT display designed for products that require a narrow and elongated screen structure. Compared with conventional display formats, this Bar type LCD Module is well suited for embedded devices, smart display products, and custom electronic equipment where vertical interface layout and installation efficiency are important.
With a 180 × 640 resolution, 300 nits brightness, and SPI / MCU / MIPI interface, this Bar type LCD Module supports clear display performance and flexible system integration. The module is driven by the AXS15231B driver IC and is suitable for applications that require a stable compact long strip LCD display solution.
For customers looking for a small bar type LCD module, bar type TFT LCD, or long strip LCD display, this 3.4 inch model is a practical option for product development and embedded UI design.
Quick Highlights
- 3.4 inch Bar type LCD Module with slim portrait structure
- 180 × 640 resolution for compact vertical content display
- 300 nits brightness for stable indoor viewing
- SPI / MCU / MIPI interface for flexible integration
- AXS15231B driver IC for reliable display driving performance
- Suitable for embedded devices and smart display applications
Key Features of 3.4 Inch Bar type LCD Module
Bar Type Structure
This Bar type LCD Module uses a slim long strip design, making it suitable for narrow installation spaces and vertical UI layouts.
180 × 640 Resolution
Supports clear text, icon, and interface display performance for compact embedded products and custom control systems.
300 nits Brightness
Suitable for indoor viewing environments and applications requiring stable and readable display output.
SPI / MCU / MIPI Interface
Provides flexible interface support for different embedded system architectures and development requirements.
AXS15231B Driver IC
Offers stable driving support for this Bar type LCD Module in embedded devices and smart display applications.
High-Temperature Reliability
This model has passed a 12-hour high-temperature operation test at 80°C, supporting applications with stronger reliability requirements.
Product Overview
The 3.4 inch Bar type LCD Module is designed for applications that need a compact display with a narrow portrait format rather than a standard aspect ratio. This makes it a suitable choice for embedded devices, smart display terminals, and custom electronic products with limited front panel space.
Its 180 × 640 resolution allows clear vertical content presentation, while the 300 nits brightness supports stable indoor readability. With SPI / MCU / MIPI interface support and an AXS15231B driver IC, this Bar type LCD Module helps simplify system integration for compact display solutions.
For product developers and OEM customers, this model is a practical choice when a long strip LCD display is required to optimize interface layout, improve installation flexibility, or support a distinctive product appearance.
Typical Applications
Technical Specifications
| Product Name | 3.4 Inch Bar type LCD Module |
|---|---|
| Display Size | 3.4 Inch |
| Orientation | Portrait |
| Resolution | 180 × 640 |
| Brightness | 300 nits |
| Interface | SPI / MCU / MIPI |
| Driver IC | AXS15231B |
| Active Area | 23.2 × 85.6 mm |
| Outline Dimensions | 25.72 × 83.83 × 2.1 mm |
| Main Application | Embedded Devices, Smart Displays |
Optional Matching Driver Board
| Option | Driver Board Type |
|---|---|
| 1 | 8080 parallel port driver board |
| 2 | AI Human-Computer Interaction Driver Board |
Selection Notes
- Interface support: this model supports SPI / MCU / MIPI interfaces for flexible embedded integration.
- Product advantage: suitable for projects requiring a compact strip screen with multiple interface options.
- Reliability: passed a 12-hour high-temperature operation test at 80°C.
- Portrait layout: ideal for vertical user interface content and long strip visual presentation.
- Application target: recommended for embedded devices, smart displays, and custom electronic interface projects.
Integration Support
This 3.4 inch Bar type LCD Module is suitable for customers developing compact embedded products that require a narrow portrait display. The combination of 180 × 640 resolution, SPI / MCU / MIPI interface, and AXS15231B driver IC provides a practical foundation for system design and product integration.
- Suitable for compact embedded control projects
- Supports smart display integration
- Suitable for custom UI development
- Helpful for long strip layout product design
- Applicable to OEM / ODM custom display projects
Bar type LCD Module FAQ
1. Is this a Bar type LCD Module?
2. What resolution does this Bar type LCD Module support?
3. What interface does this 3.4 inch Bar type LCD Module use?
4. What driver IC is used in this Bar type LCD Module?
5. What applications is this Bar type LCD Module suitable for?
6. Why choose this 3.4 inch Bar type LCD Module?
Need a 3.4 Inch Bar type LCD Module for Your Project?
Contact us for samples, detailed specifications, interface support, and OEM / ODM service for this compact Bar type LCD Module.
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Bar Type LCD Module Features

1. Slim and Space-Saving Design
The bar type design is ideal for products with limited or unconventional installation space, helping improve front-panel layout efficiency.
2. Clear and Focused Information Display
It is suitable for displaying status, icons, numbers, menus, and vertical interface content in a clear and organized way.
3. Flexible Interface and Easy Integration
Bar Type LCD Modules can support practical interface options, making them easier to integrate into embedded systems and custom device designs.
4. Suitable for Diverse Applications
It is widely used in smart home devices, industrial control panels, portable electronics, medical equipment, and custom display solutions.
TFT Custom Solutions
Our company offers custom-made TFT solutions, tailored to your unique display needs, ensuring high-quality, precision, and satisfaction.

Touchscreen Enhancement
Boost your device’s interactivity with our advanced touchscreen technology. We tailor the panel shape and glass thickness to your requirements, enhancing your product’s user experience.

Custom Cable Design
Steady and efficient hardware connections play a vital role in guaranteeing optimal display performance. Our bespoke cabling solutions ensure consistently stable and efficient connectivity, supporting your display unit’s essential operations.

Interface Customization
Enhance the performance of your devices with our tailored display interface solutions. We provide a variety of commonly used interfaces, including MIPI, TTL/RGB, MCU, LVDS, EDP, and SPI. We tailor these interfaces to align with your specific device requirements, ensuring optimized performance and efficiency.

Cover Glass Customization
High-quality cover glass serves to protect your display and enhance the stability and durability of your device. Selecting the appropriate glass thickness and conducting optical bonding further elevates the display quality. Our customized glass solutions ensure that your device not only looks good, but also stood the test of time.

Software/Firmware Customization
Enhance display performance with our customized software and firmware. We tailor the user interface to your device’s needs, maximizing user experience and operational efficiency.

INTELLIGENT CONTROL BOARD
Utilizes high-performance processors and advanced algorithms to achieve fast response and high-efficiency data processing capabilities. Supports various communication protocols to ensure seamless connection with external devices.
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