Failure Analysis of LCD Drivers: a Case Study

摘要

A manufacturer of computer based products in Brazil has experienced a sudden increase of failures in the LCDs (Liquid Crystal Displays) used in its products returned from field. The failures appear as dark columns. This paper describes the technique applied to find out the root cause of the failures. Conclusions pointed to a problem in the process for curing the adhesive conductive film (ACF), which provides connection of flip chip drivers to the LCD.