3.5 INCH DISPLAY SELECTION

3.5 Inch TFT LCD Display Modules by Resolution and Touch

Review 3.5 inch TFT LCD modules for industrial HMI, handheld equipment, medical devices, instruments and embedded controls. Compare resolution, panel technology, luminance, interface, capacitive touch and resistive touch before requesting samples.

240×320–640×480Published resolutions
IPS & TNPanel technology
PCAP & RTPTouch options
Up to 1200 cd/m²High-brightness option
SELECTION CHECKLIST

Compare More Than the 3.5 Inch Diagonal

Modules with the same diagonal can differ substantially in resolution, outline, interface, touch stack and brightness.

  • Choose resolution from the UI content, viewing distance and host graphics capability
  • Match RGB, MCU or controller requirements to the existing main board
  • Select IPS for wider viewing or TN where the project specification supports it
  • Define PCAP, resistive touch or no-touch operation, including glove and stylus use
  • Review 650 cd/m² and 1200 cd/m² options against ambient lighting and thermal limits
  • Confirm outline, active area, FPC location and compatibility-reference requirements
RESOLUTION COMPARISON

Published 3.5 Inch TFT LCD Resolution Options

Use resolution and orientation to narrow the catalog, then confirm the complete drawing, interface and touch stack.

ResolutionTypical orientationPublished examples
320×240Landscape1200 cd/m² IPS · 650 cd/m² PCAP
240×320PortraitST7789V IPS module
320×480PortraitIPS module with RTP
640×480LandscapeVGA IPS module with PCAP
ENGINEERING REVIEW

Use the Application to Narrow the 3.5 Inch Module

The best match depends on the complete operating requirement rather than resolution alone.

  • Industrial HMI projects should prioritize temperature, service life, touch method and interface stability
  • Outdoor or bright-environment designs should validate luminance, polarizer, bonding and thermal behavior
  • Replacement projects should compare drawing, pin assignment and electrical timing—not only a compatible-reference name
  • Medical and handheld equipment should review touch stack thickness, cover lens, cleaning method and power budget
BUYER QUESTIONS

3.5 Inch TFT LCD Module FAQ

Which 3.5 inch resolution should I choose?

320×240 is common for compact control interfaces, while 240×320, 320×480 and 640×480 support different orientation and detail requirements. The host processor and UI layout should be reviewed together.

What is the difference between PCAP and resistive touch?

PCAP supports a modern finger-touch experience and custom cover lenses. Resistive touch is useful for pressure, stylus or some glove-operated industrial interfaces.

Can a 3.5 inch module replace an existing display?

A compatibility reference is only a starting point. Final approval requires comparison of outline, active area, pin assignment, interface timing, brightness, touch and mechanical drawing.

RESOLUTION-SPECIFIC SEARCH

3.5 Inch 320x240 TFT LCD Options

A 3.5 Inch 320x240 TFT LCD can be configured around TN or IPS viewing, standard or high brightness, PCAP or resistive touch, RGB interface and mechanical compatibility. Compare the complete configuration instead of treating resolution as the only selection factor.

START YOUR PROJECT

Send the Target Specification for a Module Review

Include size, resolution, interface, touch, brightness, operating temperature, outline limits and forecast quantity.

Request a TFT LCD Quote