Flat Panel Display Inspection


Flat panel display (FPD) manufacturers benefit from detecting microscopic defects quickly during production to maintain quality and efficiency. Automated vision systems offer a reliable solution to deliver fast and consistent inspection. These systems use high-speed imaging, precise calibration, and advanced analytics to identify issues like dead pixels, color inconsistencies, and mura (blemishes). By providing real-time grading and traceability, Zebra vision systems enhance process control, leading to improved first-pass yield, reduced waste, and quicker identification of root causes.

Machine Vision Frame Grabber Photography Application Flat Panel Inspection 4x3 3600

Scale flat panel display inspection with fast, accurate machine vision for higher yield optimization

Zebra frame grabbers enable precise, synchronized image acquisition by connecting multiple cameras, coordinating lighting and timing, streaming images seamlessly, onboard processing, and logging utilities for troubleshooting and optimization.

Detect FPD defects

Rapixo frame grabbers enable high-resolution, high frame rate image capture, which is essential in detecting minute defects in modern FPD production. The Rapixo Series is optimized for these demanding vision applications with support for the highest bandwidth camera interfaces currently available, including CoaXPress-over-Fibre, CoaXPress, and Camera Link. Pro models in the Rapixo Frame Grabber range come with Field Programmable Gate Array (FPGA) support for optional image processing offload from host computers.

Chip Output Software

Transform FPD inspection data into enhanced process control and traceability

Zebra Frame Grabbers are designed to pair with Aurora Imaging Library Software Development Kit (SDK). Within this software, users can optimize the image processing for their FPD inspection at code-level by generating custom FPGA configurations in C/C++. Aurora Imaging Library also hosts a wide selection of software tools for image processing, analysis, annotation, and archiving to accelerate application development and reduce the time required to bring new FPD inspection solutions to market.

Zebra AltiZ Scanning Display Glass Assembly During Inspection

Accelerate alignment accuracy

The AltiZ 3D Profile Sensor speeds positioning and alignment before and after bonding of FPD components. Its dual-camera single-laser design captures high‑density 3D profiles with minimal occlusions, enabling precise fiducial finding, edge measurement, and flatness/warp checks to micron‑level accuracy even on reflective surfaces. Non‑contact 3D measurement protects fragile glass surfaces of FPDs while confirming height, tilt, and planarity. AltiZ results guide stage movements and verify placement against desired tolerances.

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