Innolux LQ035NC111 3.5 Inch 320×240 RGB / TTL TFT LCD Panel

Innolux LQ035NC111 3.5 Inch QVGA Digital RGB TFT Panel

Innolux LQ035NC111 3.5 Inch QVGA Digital RGB TFT Panel is prepared for B2B industrial display replacement and OEM integration. 3.5 inch QVGA panel for compact devices and legacy embedded controls. Use the current public page as a selection input, then confirm exact revision, drawing, interface, cable, optical stack, supply scope and sample approval criteria before production order.

Confirmed Product Specifications

Application Fit

This panel fits small instruments, handheld devices, meters, access controls and compact equipment where 320×240 QVGA resolution is already designed into the UI.

Interface and Controller Review

The detailed table lists Digital RGB 8/24-bit plus SPI and CCIR601/656 on a 54-pin interface. Confirm host support, pinout, timing and SPI/control usage before ordering.

Optical and Environmental Boundary

300 cd/m² brightness and standard TN viewing are appropriate for controlled indoor use. The WLED backlight is listed without driver, so backlight drive scope should be confirmed.

Mechanical Replacement Checks

Compare active area, outline, depth, connector side, FPC or cable direction, mounting pressure and bezel opening with the original equipment. Same-size panels can still differ in mechanical fit. Replacement buyers should provide label photos, rear photos and controller details.

Touch and Front Stack

Unless touch is explicitly confirmed, treat the panel as a bare LCD. If touch, cover glass or bonding is required, define touch type, controller interface, glass thickness, optical loss, ESD, grounding and final stack thickness in the RFQ.

Procurement Control

For repeat orders, lock exact Innolux model, revision, cable, backlight driver or driver scope, approved drawing, inspection limits and substitute approval rules. Substitutes should be reviewed by engineering before shipment.

Sample Validation

Test image lock, brightness, backlight uniformity, viewing angle, pixel defects, hot/cold start, cable movement, UI readability and mechanical fit in the real enclosure. If used as a service replacement, compare the sample with the original display assembly.

Small QVGA Legacy Fit

This panel is useful for compact equipment that still depends on 320×240 QVGA UI screens. Examples include meters, handheld instruments, access devices and service tools. For new development, confirm whether QVGA is enough; for replacement, preserving resolution and host timing is usually the priority.

Digital RGB plus SPI Review

The public table lists Digital RGB 8/24-bit plus SPI and CCIR601/656 on a 54-pin interface. This is not a simple generic RGB panel. The RFQ should confirm which signals the host uses, initialization/control needs, connector pinout and backlight driver scope.

Compact Mechanical Risk

A 3.5 inch panel can be blocked by small mechanical differences: FPC exit, connector height, bezel pressure or backlight tail position. Provide original photos and drawing before ordering. Test the sample in the actual enclosure because small pressure points can create visible defects.

When Not to Use This Panel

Do not choose this panel for modern high-density UI screens, outdoor readability or plug-and-play monitor input. It is best for compact legacy QVGA devices where the host already supports the listed digital RGB/SPI-style interface.

Approval Records

Record the 54-pin pinout, control signals, backlight driver, UI screenshots, front-window fit and cable bend. Small devices often fail replacement because of connector height or firmware assumptions rather than basic resolution.

Final Buyer Check

Before volume purchase, confirm whether the customer really needs the CCIR601/656 and SPI-related functions or only basic digital RGB display. Also test the UI at 320×240 on the real controller, because legacy QVGA products often rely on fixed font sizes, boot screens and control signals that are not visible in a generic panel test.

Quote Scope

For quotation, provide host interface details, backlight driver status, front-window drawing and whether the panel will be used in new production or field repair. Small QVGA panels are low cost relative to engineering time, so compatibility evidence is more important than a broad catalog quote.

Final Approval Record

Final approval should also record the boot screen, signal mode, connector orientation and accepted pixel-defect standard for incoming inspection.

RFQ Checklist

• Confirm exact model revision, interface mapping, connector, voltage, timing and cable requirement.
• Provide original panel photos, host controller, enclosure drawing, visible window and front-stack requirement.
• Define panel-only, cable, controller-board, touch assembly or complete display-set scope.
• State sample quantity, annual forecast, inspection criteria, packaging and substitute approval process.

Engineering Review Note

The specifications above are taken from the current public product page and should be treated as selection inputs, not final system approval. Before sample purchase or production order, LCDind should review host interface, drawing, optical stack, touch requirement, controller-board scope, operating environment, supply quantity and inspection criteria. This update keeps the existing product URL unchanged while making the page more useful for B2B engineering and sourcing decisions.

Engineering FAQ

Can it replace any same-size panel?

No. Interface, connector, timing, outline and backlight must be checked.

Should touch be assumed?

No. Touch must be confirmed or quoted separately.

What should be supplied for RFQ?

Model/revision, host controller, drawing, cable route, quantity and target application.