4-Inch Square LCD Display for HMI & Control Panels | Clientop
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4-Inch Square LCD Displays

For Control Panels & Compact Terminals

Engineered 4-inch square LCD modules for HMI panels and device interfaces—optimized for panel mounting, visual balance, and structural integration. Built on our [Round LCD Display] platform, Clientop develops 4-inch square LCD displays, widely used in control panels, compact terminals, and equipment interfaces where balanced visual area and precise panel integration are required.
● OEM Manufacturing for Commercial Projects
● Bulk Supply for Integrators & Brands
● Custom Solutions Available
    Request a Custom Quote
    4-Inch Square LCD Displays for Control Panels & Compact Terminals.jpg

    Why Choose a 4-Inch Square LCD for HMI Panels?

    4 inches strikes the ideal balance between space efficiency, readability, and cost-effectiveness for industrial devices and control panels.
    ● Small Screen → Insufficient Information: Too small for clear, interactive feedback.
    ● Large Screen → Complex & Costly: Too large and expensive for compact devices.
    ● 4-Inch Square LCD → Balanced Design: Perfect for clear visibility without compromising the design’s compactness.
    Ideal For:
    ● Equipment Panels: Easy integration into machinery and devices.
    ● Control Terminals: Efficient operation interface with optimized information display.
    ● User Interfaces: Offering just the right amount of display space for intuitive interaction.

    Panel Integration & Mechanical Fit

    Designed for Seamless Integration into Your Equipment
    ● Flexible Mounting Options: Choose between front-mount or rear-mount integration based on your device's needs.
    ● Perfect Fit: Frame size matching ensures your display fits seamlessly with your existing equipment.
    ● Thin & Efficient: Precision thickness control ensures a compact fit, with a design that adapts to both metal and plastic panels.
    ● Durability: Built to withstand regular use with robust integration and secure mounting.
    4-inch square LCD panel integration with front-mount and rear-mount options
    4-inch square LCD with structural adaptation for device integration

    Structural Adaptation for Devices

    Ensuring Seamless Integration and Long-Term Reliability
    ● Flexible & Secure Mounting: Modules are designed to integrate easily into your devices while maintaining a sleek and aesthetically pleasing look.
    ● Efficient FPC Routing: Optimized routing design ensures compactness and efficiency, especially for small-scale applications where space is critical.
    ● Long-Term Stability: Built with seismic resistance features and designed for continuous operation, ensuring durability even in demanding environments.
    ● Beyond Just a Screen: This is a device-level display module designed to fit perfectly within your product, not just a generic screen.

    Typical Applications of 4-Inch Square LCD

    Discover how our 4-inch square LCD displays are used across various industries for enhanced device functionality.

    • Control Panels

    • HMI Terminals

    • Compact Equipment Interfaces

    • Smart Controllers

    Technical Specifications for 4-Inch Round LCD Display

    Here you can find the detailed technical specifications for the 4-inch round LCD displays. These parameters ensure compatibility and seamless integration for your project needs.

    Feature Specifications
    Display Type 4.0 inch
    Resolution (H×V) 720×720 (RGB) / 480×480 (RGB)
    Technology Type a-Si TFT
    Pixel Configuration R.G.B. Vertical Stripe
    Display Mode Normally Black
    Viewing Direction All
    Mechanical Characteristics Outline Dimensions: 84.0 × 84.0 × 2.6 mm (720×720) 84.0 × 84.0 × 3.05 mm (480×480)
    Active Area (mm) 71.93×71.93 (720×720) 71.86×70.18 (480×480)
    Connector Type 0.5mm pitch 40pin ZIF (720×720) 0.5mm pitch (480×480)
    Backlight Type LED
    Weight (g) TBD
    Display Interface RGB 18 bits (720×720) SPI+RGB (480×480)
    Touch Interface I2C
    Touch Driver IC FT6336U
    Display Driver IC ST7701S
    Number of Colors 262K

    OEM Customization Capabilities

    Clientop provides integration-ready display hardware with flexible customization for commercial projects and large-scale deployment.
    • Structural & Housing Customization

      Structural & Housing Customization

      Custom enclosures and mechanical structures tailored to your device design.

    • Front Panel Material Options

      Front Panel Material Options

      PC or glass front panels to meet durability, touch, or appearance requirements.

    • Interface & Cable Design

      Interface & Cable Design

      Flexible interface positioning and cable routing for seamless integration.

    • Brightness & Display Tuning

      Brightness & Display Tuning

      Adjust brightness, contrast, and display parameters for specific environments.

    • Batch Consistency Control

      Batch Consistency Control

      Ensuring uniform performance across large-scale deployments.

    • Delivery Forms

      Delivery Forms

      Available as module, semi-finished product, or complete unit.

    Frequently Asked Questions

    Find answers to the most common questions about our 4-inch round LCD displays, from technical specifications to procurement and customization options.

    • Q1: What is the resolution of the 4-inch round LCD display?

    • Q2: Can I customize the display to meet my project requirements?

    • Q3: What is the typical use of a 4-inch round LCD display?

    • Q4: How do you ensure the quality of the displays?

    • Q5: What is the lead time for bulk orders?

    Ready to Start Your Display Project?

    Clientop is an OEM display manufacturer specializing in commercial projects and bulk production.
    Tell us your requirements — we’ll recommend a suitable solution.
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    OEM Manufacturer · Bulk Supply · Integration-Ready Hardware