| Typical screen sizes | 3.5–10.1 in | 10.4–15.6 in | 15.6–32 in | Confirm active area, outline dimensions, mounting holes, bezel clearance, and availability of long-term replacement supply. |
| Common aspect ratios | 4:3, 5:4, and 16:9 | 4:3, 16:9, and 16:10 | 16:9, 16:10, and wide-format designs | Check whether the aspect ratio matches the mechanical enclosure and the intended user interface. |
| Typical resolutions | 480 × 272 to 1280 × 800 pixels | 800 × 480 to 1920 × 1080 pixels | 1280 × 800 to 3840 × 2160 pixels | Compare pixel count, pixel arrangement, controller compatibility, and image-scaling requirements. |
| Brightness | 250–500 cd/m² | 500–1,000 cd/m² | 800–1,500+ cd/m² | Request measured brightness at shipment and confirm whether the value is typical or minimum. For sunlight readability, evaluate optical bonding and contrast in the complete assembly. |
| Contrast ratio | 600:1–1,000:1 | 800:1–1,500:1 | 1,000:1–2,000:1 | Ensure measurement conditions are comparable because contrast results vary with test method, temperature, and viewing angle. |
| Viewing angle | Approximately 70°–80° per direction | Approximately 80°–89° per direction | Approximately 85°–89° per direction | Prefer IPS or other wide-viewing-angle technologies when multiple users or off-axis operation is expected. Verify color and contrast shift, not only the stated angle. |
| Operating temperature | −20°C to +70°C | −30°C to +80°C | −30°C to +85°C or wider with design qualification | Confirm whether the range applies to the panel, backlight, touch sensor, or complete display module. Ask for start-up performance at the low-temperature limit. |
| Storage temperature | −30°C to +80°C | −40°C to +85°C | −40°C to +95°C, depending on construction | Review packaging, humidity exposure, condensation risk, and recovery requirements after temperature cycling. |
| Backlight lifetime | 30,000–50,000 hours to approximately 70% of initial brightness | 50,000–70,000 hours to approximately 70% of initial brightness | 50,000–100,000 hours to approximately 70% of initial brightness | Check the stated L70 condition, LED current, ambient temperature, brightness setting, and whether the figure is calculated or test-based. |
| Color performance | 16.7 million colors; standard sRGB-oriented output | 16.7 million colors; improved uniformity options | 16.7 million colors or higher; optional color calibration | Request color-uniformity data, viewing-angle results, and calibration tolerances when the display is used for inspection or medical-adjacent visualization. |
| Touchscreen options | Projected capacitive or resistive touch | Projected capacitive with glove-capable or wet-touch options | Projected capacitive, resistive, or customized cover-lens assemblies | Verify cover-glass thickness, glove and water performance, touch controller interface, surface hardness, and electromagnetic compatibility. |
| Optical bonding | Air gap is common | Partial or full bonding available | Full optical bonding is commonly considered for sunlight, shock, and condensation control | Compare reflection, haze, bond uniformity, repairability, and the effect of bonding on thermal performance and total cost. |
| Common electrical interfaces | Parallel RGB, SPI, or MIPI DSI | LVDS, eDP, MIPI DSI, or HDMI through a controller | eDP, LVDS, HDMI, DisplayPort, or customized video interfaces | Confirm pin assignment, voltage levels, connector type, signal timing, cable length, EMI behavior, and controller firmware ownership. |
| Supply voltage | Typically 3.3 V logic; LED input varies by module | Typically 3.3 V logic with separate LED power requirements | Typically 5 V or 12 V system input through an integrated or external driver | Request complete power tables covering start-up, steady-state, maximum brightness, sleep mode, and inrush current. |
| Mechanical integration | Open-frame, board-level, or basic bezel | Metal frame, reinforced mounting, or panel-mount construction | Sealed front surface, gasket options, reinforced frame, and custom enclosure integration | Check dimensional drawings, flatness, screw torque limits, connector access, cable bend radius, and tolerance stack-up. |
| Ingress protection considerations | Usually depends on the final enclosure | Front-side sealing may be available | Front-panel sealing can be designed for applications requiring dust or water resistance | IP ratings apply to a defined assembly and test condition. Confirm whether the rating covers the display module, front surface, or complete product. |
| Vibration and shock qualification | Application-dependent; basic handling qualification | Application-specific vibration and mechanical shock testing | Formal testing is more commonly requested for transportation, industrial control, and outdoor equipment | Specify test standards, frequency range, acceleration, duration, axis direction, mounting method, and post-test acceptance criteria. |
| Regulatory documentation | RoHSREACH | RoHSREACHEMC support | RoHSREACHEMCEnvironmental data | Ask for current declarations, material records, safety data where applicable, and evidence that documentation matches the quoted part number. |
| Quality-control records | Visual inspection and basic electrical testing | Inspection standards, aging tests, and lot traceability | Lot traceability, reliability testing, environmental testing, and customized acceptance criteria | Review defect classification, AQL definition, inspection sampling, burn-in duration, dead-pixel policy, and corrective-action procedures. |
| Customization scope | Standard panel, cable, connector, or firmware configuration | Custom FPC, cover glass, touch layout, brightness, and mounting features | Custom optical stack, sealing, thermal design, enclosure, and system-level integration | Separate non-recurring engineering charges, tooling ownership, sample approval, engineering-change control, and end-of-life notification terms. |
| Indicative sample lead time | About 2–6 weeks for standard configurations | About 4–8 weeks for configured or customized samples | About 6–12+ weeks for bonded, sealed, or heavily customized assemblies | Lead times depend on existing tooling, component availability, approval cycles, and test requirements. Obtain a written schedule with milestones. |
| Indicative production lead time | About 4–8 weeks after order confirmation | About 6–12 weeks after engineering approval | About 8–16+ weeks for customized or low-volume projects | Clarify whether the quoted lead time includes component procurement, production, inspection, export packing, and transit preparation. |
| Warranty expectation | Commonly 12 months from shipment | Commonly 12–24 months from shipment or delivery | Commonly 12–24 months, subject to operating conditions and installation requirements | Define covered failures, return authorization, replacement timing, freight responsibility, exclusions, and evidence required for a claim. |
| Best-fit applications | Embedded instruments, meters, compact controllers, and indoor equipment | Factory automation, kiosks, medical equipment interfaces, and transportation systems | Outdoor terminals, fleet equipment, marine systems, heavy machinery, and high-vibration installations | Choose based on the complete operating environment rather than brightness or resolution alone. |
