A good TFT LCD module RFQ should tell the supplier what the display must do, how it will be installed, what host electronics will drive it, and which risks must be controlled before sampling. The clearer the RFQ, the faster the supplier can recommend a suitable module, identify customization work and avoid quoting a display that cannot pass your real product requirements.
Quick answer: At minimum, include display size, resolution, interface, brightness, touch requirement, viewing direction, operating temperature, FPC or connector needs, backlight requirements, mechanical constraints, target quantity and qualification requirements.
This checklist supports early industrial HMI TFT LCD module selection. If you are still comparing size, interface, brightness, touch and lifecycle needs, review the selection guide first, then use this RFQ checklist before contacting a supplier.
If you need to connect RFQ items with factory assembly steps, review the factory assembly steps behind a TFT LCD module before finalizing bonding, FPC, backlight and test requirements.
Engineering references before you send the RFQ
For projects that depend on backplane design, material stack, or host interface decisions, review the TFT-LCD Array process guide, TFT-LCD Array materials guide, and TFT LCD interface guide before finalizing the RFQ package.
Why a Detailed TFT LCD Module RFQ Matters
A TFT LCD module can look like a catalog part, but the final design is often a stack of choices: LCD panel, driver IC, FPC, backlight, touch panel, cover glass, bonding method, connector, firmware initialization, packaging and inspection criteria. If the RFQ only says “need 7 inch LCD,” the supplier has to guess too much.
A strong RFQ helps the supplier answer three questions quickly:
- Can an existing TFT LCD module meet the requirement?
- What needs to be customized: FPC, backlight, touch, cover glass, interface or mechanical outline?
- What technical or commercial risks should be checked before tooling or mass production?
SuccessLCD offers standard and custom TFT LCD modules across compact and larger display sizes, with interface options including SPI, MCU, RGB, LVDS and MIPI, plus backlight, touch, FPC and optical customization.
TFT LCD Module RFQ Quick Checklist
| RFQ area | What to include | Why it matters | Example |
|---|---|---|---|
| Display basics | Size, resolution, active area, outline | Defines panel family and mechanical fit | 7 inch, 1024×600, IPS |
| Electrical | Interface, voltage, backlight, touch | Controls host compatibility | 4-lane MIPI DSI, I2C CTP |
| Optical | Brightness, viewing angle, contrast, cover lens | Controls readability and user experience | 800 cd/m2, optical bonding |
| Environment | Temperature, humidity, vibration, UV, ESD | Controls reliability design and tests | -20 to 70 deg C operating |
| Commercial | Annual volume, schedule, lifecycle, certificates | Controls sourcing path and quote accuracy | 5k/year, 5-year supply need |
If a field is unknown, write “open to supplier recommendation” instead of leaving it blank. That is better than forcing a specification that may not fit the product architecture.
1. Project and Application
- Product application: industrial HMI, medical device, EV charger, handheld terminal, smart home, marine, outdoor equipment, appliance, kiosk or other.
- Use environment: indoor, outdoor, sunlight-readable, glove use, wet-touch use, vehicle cabin, factory floor, high-vibration equipment or cleanroom.
- Product stage: concept, prototype, EVT, DVT, PVT, mass production, replacement or cost-down project.
- Target launch date, sample deadline and mass production schedule.
If the project is an automotive HUD or PGU display, include optical path assumptions, virtual image targets, brightness loss and heat limits. The automotive HUD TFT LCD display guide explains why those details matter before quoting.
2. Display Size, Resolution and Active Area
- Diagonal size in inches.
- Resolution in pixels, such as 480×272, 800×480, 1024×600, 1280×800 or 1920×1080.
- Active area, view area and outline dimensions if the housing is already designed.
- Aspect ratio and orientation: landscape, portrait or rotatable UI.
- Viewing mode: TN, IPS, VA or open to recommendation.
Mechanical reminder: If your enclosure is fixed, attach a drawing. A 0.5 mm outline difference, connector shift or FPC exit direction can decide whether a display fits without redesigning the front housing.
3. Interface and Host Electronics
- Preferred display interface: SPI, MCU, RGB, LVDS, MIPI DSI, HDMI board or open to recommendation.
- Host processor or controller model.
- Operating system or firmware environment: Linux, Android, RTOS, bare metal or other.
- Color depth and refresh-rate target.
- Required initialization code, timing table, datasheet or driver reference.
- Touch interface if needed: I2C, USB, UART or other.
Interface mismatches are one of the fastest ways to lose schedule. If your board has only SPI, do not assume it can support a large full-motion display. If your processor has MIPI DSI, ask for lane count, lane rate, initialization command support and compatible panel IC details. For a deeper technical comparison, review the LCD interface guide.
4. Brightness, Touch Panel and Cover Glass
Do not quote brightness alone. A 1000 cd/m2 display with poor optical bonding, reflective cover glass or high power limits may still fail outdoors. For outdoor and vehicle-facing products, include ambient light conditions, cover lens material, anti-glare or anti-reflective treatment and thermal limits.
- Target brightness in cd/m2 or nits.
- Indoor, semi-outdoor or sunlight-readable requirement.
- Backlight voltage, current, power limit and LED lifetime target.
- No touch, resistive touch panel or projected capacitive touch panel.
- Cover glass thickness, shape, color border, logo printing, hole or window requirements.
- Glove touch, wet touch, stylus, palm rejection or multi-touch requirements.
- Bonding method: air bonding, optical bonding, OCA, OCR or open to recommendation.
- Surface treatment: anti-glare, anti-reflective, anti-fingerprint, hard coating or UV resistance.
5. FPC, Connector, Power and Reliability Requirements
- Connector type, pitch, contact count and mating side.
- FPC length, bend direction, stiffener position and exit side.
- Mounting ears, frame, bracket, adhesive or gasket requirements.
- Total module thickness and stack-up limits.
- Logic voltage rails, IO voltage, backlight supply and allowable current.
- Power sequencing requirement for LCD, backlight, reset and touch.
- Operating temperature, storage temperature, humidity, condensation, salt mist, UV exposure or chemical exposure.
- Reliability tests: high temperature, low temperature, thermal shock, damp heat, vibration, ESD, drop or UV aging.
High-brightness backlights and high-speed interfaces are common sources of thermal and EMC issues. Include the enclosure condition, airflow, expected ambient temperature and regulatory target if known.
6. Documentation, Quality and Commercial Details
- RoHS, REACH, Halogen-free, conflict minerals or other material requirements.
- Datasheet, 2D drawing, 3D model, timing specification, initialization code and inspection standard.
- Sample report, reliability report or change-control process if needed.
- Packaging, labeling, barcodes, traceability and lot-control requirements.
- Prototype quantity, pilot quantity and annual volume forecast.
- Expected lifecycle: 2 years, 5 years, 7 years or longer.
- Tooling budget and whether NRE is acceptable for custom FPC, backlight, cover glass or touch.
For industrial and medical products, lifecycle can be more important than the lowest sample price. Tell the supplier whether the display must remain available for years, whether PCN notice is required and whether an alternate panel strategy is needed.
Copy-and-Paste TFT LCD Module RFQ Template
Use the following template when contacting a display supplier.
| RFQ Field | Your Requirement |
|---|---|
| Application | [Product type and use environment] |
| Project stage | [Prototype / EVT / DVT / PVT / MP / replacement] |
| Display size | [Diagonal inch] |
| Resolution | [Pixels, orientation] |
| Module outline limit | [Width x height x thickness, if fixed] |
| Active area / view area | [Dimensions, if known] |
| Viewing technology | [IPS / TN / VA / open] |
| Interface | [SPI / MCU / RGB / LVDS / MIPI DSI / open] |
| Host processor | [Part number and OS] |
| Brightness | [cd/m2 or nits] |
| Backlight | [Voltage, current, dimming, lifetime] |
| Touch | [None / RTP / CTP, controller, interface] |
| Cover glass | [Thickness, shape, printing, treatment] |
| Bonding | [Air bonding / optical bonding / open] |
| Connector / FPC | [Pitch, pin count, FPC direction, length] |
| Operating temperature | [Min to max deg C] |
| Storage temperature | [Min to max deg C] |
| Reliability tests | [HT, LT, damp heat, thermal shock, vibration, ESD, etc.] |
| Certifications | [RoHS, REACH, medical, automotive, etc.] |
| Quantity | [Samples, pilot, annual forecast] |
| Schedule | [Sample deadline and MP date] |
| Attachments | [Drawing, host schematic, existing LCD datasheet, enclosure CAD] |
What Attachments Help the Most?
- Existing LCD datasheet if this is a replacement project.
- Mechanical drawing of the enclosure or front cover.
- Host processor datasheet or display-interface section.
- Connector drawing and FPC direction sketch.
- Optical requirement or industrial design rendering.
- Target reliability or compliance test plan.
- Photos of current display issues, if this is a redesign.
Common RFQ Mistakes to Avoid
- Requesting only diagonal size without resolution, interface or outline dimensions.
- Choosing MIPI, LVDS, RGB or SPI before checking host processor support.
- Asking for sunlight readability without defining brightness, cover glass, bonding or power limits.
- Ignoring FPC direction until after enclosure design.
- Leaving touch, cover glass and bonding out of the initial quote.
- Not sharing annual volume or lifecycle expectations.
- Assuming a sample display will be mass-production stable without lifecycle confirmation.
FAQ
What is a TFT LCD module RFQ?
A TFT LCD module RFQ is a request for quotation that includes the technical and commercial requirements for a display module. It should cover size, resolution, interface, brightness, touch, mechanical constraints, environment, reliability, compliance, quantity and schedule.
What information is required for a custom TFT LCD quote?
The most important fields are display size, resolution, module outline, interface, host processor, brightness, backlight, touch type, cover glass, connector or FPC needs, operating temperature, annual quantity and target schedule. Drawings and an existing datasheet help a lot.
Should I choose the LCD interface before asking for a quote?
If the host processor is fixed, include its available display interfaces. If the processor is not fixed, ask the supplier to recommend SPI, RGB, LVDS, MIPI DSI or MCU based on size, resolution, cable length, software support and cost target.
How do I specify sunlight-readable TFT LCD requirements?
Specify target brightness in cd/m2, expected ambient light, cover glass treatment, bonding method, power limit, operating temperature and whether the product will be used outdoors continuously. Brightness alone is not enough to guarantee sunlight readability.
What files should I attach to an LCD RFQ?
Attach the current LCD datasheet, enclosure drawing, host processor information, connector requirements, cover glass drawing, reliability test plan and photos of the target product if available. These files help the supplier identify fit and risk faster.
Send a Clear TFT LCD Module RFQ
Send your size, resolution, interface, host processor, brightness target, touch stack, FPC direction, operating environment, quantity and schedule. SuccessLCD can review standard and custom TFT LCD module options before sampling or tooling.
