Advantech PCI-1241 Especificaciones descargar pdf (Pagina 12)

TFT Light Testing in LCD Panel Assembly

Flat Panel Display Production

Korea

Introduction

Some manufacturing industries focus on mass production, while others focus on the quality

of the product being created. In the growing LCD market, both quality and quantity are in high

demand. An Advantech customer in the LCD market wanted to increase the quality control of

their LCD inspection process, and decided to focus on the lighting inspections for their TFT

panels. In such a demanding manufacturing environment, upgrading to a flexible PC-based

machine was the only option.

Project Requirements

LCD panels are very delicate products; during the

assembly process the panels have to be treated

with great care. An efficient light tester is used to

confirm correct assembly of the panel, including

the raw panel with driver ICs and the backlight unit.

Furthermore, position adjustments and function

tests require great accuracy and speed. In order to

achieve these goals, the following components were

required:

•

A motion control card responsible for moving

the panels along a conveyor

•

An isolated digital I/O card responsible for

sensors, push buttons, and the handshake

signals between stations

•

Master control card for handling all the

commands

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Advantech PCI-1241 Especificaciones Pagina 12