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Innolux LQ035NC111 3.5 Inch TFT LCD Display Module

The Innolux LQ035NC111 is a robust 3.5-inch active matrix TFT LCD module designed for industrial and embedded applications. Featuring a precise QVGA resolution of 320x240 pixels and utilizing a reliable 54-pin RGB interface, this compact display delivers clear visual output with a typical brightness suitable for various indoor monitoring environments.

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Technical Specifications

Manufacturer Innolux
Model Number LQ035NC111
Panel Size 3.5 inch
Panel Type TFT-LCD, a-Si active matrix
Resolution 320(RGB) × 240 (QVGA)
Pixel Format RGB Vertical Stripe
Display Area 70.08(W) × 52.56(H) mm
Outline Dimension 76.9(W) × 63.9(H) × 3.26(D) mm
Surface Treatment Antiglare
Brightness 300 cd/m² (Typ.)
Contrast Ratio 400:1 (Typ.) (TM)
Viewing Angle 60/60/50/55 (Typ.)(CR≥10) (L/R/U/D)
Signal Interface Digital RGB (8/24-bit) + SPI, CCIR601/656, 54 pins FPC
Backlight WLED, No Driver
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Typical Applications

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Industrial Equipment

Control panels, human-machine interfaces (HMI), and ruggedized testing devices requiring reliable continuous operation.

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Medical Equipment

Portable diagnostic tools, patient monitoring systems, and laboratory instrumentation where clarity is essential.

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Embedded Systems

IoT devices, smart home control hubs, and custom electronic project dashboards.

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Measurement Instruments

Handheld meters, oscilloscopes, and specialized analytical tools requiring precise data display.

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Replacement & Custom Solutions Guide

When seeking a replacement or alternative for the Innolux LQ035NC111, engineers must carefully evaluate several critical specifications to ensure system compatibility:

  • check_circle Panel Size & Resolution: Must maintain the 3.5" diagonal and 320x240 (QVGA) resolution to prevent software UI scaling issues.
  • check_circle Interface Protocol: The replacement must support the Digital RGB (8/24-bit) or SPI interface used by the original module.
  • check_circle Pin Definition: Ensure the 54-pin FPC connector matches the existing motherboard receptacle footprint and signal mapping.
  • check_circle Mechanical Dimensions: Verify the overall outline (76.9 x 63.9 mm) and thickness (3.26 mm) fit within the existing enclosure tolerances.
  • check_circle Backlight Voltage/Current: The replacement WLED backlight must be compatible with the existing driver circuit's power delivery.
  • check_circle Touch Integration: Note that the LQ035NC111 is typically non-touch; if replacing with a touch version, additional physical depth and driver support are required.
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Frequently Asked Questions

It utilizes a 54-pin FPC connection supporting Digital RGB (8/24-bit) + SPI interfaces.
No, the standard LQ035NC111 is a display-only module. However, compatible resistive or capacitive touch overlays can be integrated separately.
With a typical brightness of 300 cd/m², it is primarily designed for indoor or shaded environments. Direct sunlight readability would require a specialized high-brightness alternative.
Please refer to the detailed datasheet for specific thermal limits, but industrial TFTs typically operate between -20°C and +70°C.

Key Features

  • aspect_ratio Compact 3.5" Form Factor: Ideal for space-constrained industrial device designs.
  • grid_4x4 QVGA Resolution: 320x240 pixel matrix provides crisp UI element rendering.
  • settings_input_component Versatile Interface: 54-pin Digital RGB (8/24-bit) + SPI for broad microcontroller compatibility.
  • light_mode WLED Backlight: Efficient illumination delivering 300 nits typical brightness.
  • shield Anti-Glare Surface: Improves readability in challenging indoor lighting environments.

Why Choose Innolux?

Innolux is recognized globally for manufacturing high-reliability display panels with consistent color accuracy and long lifecycle support, critical for industrial procurement planning.