Abstract
In this paper, drop reliability of TFT-LCD panel and module used in digital cameras is investigated since LCD glass failure is one of the most critical quality issues in handheld products. First, three point bending test is performed to evaluate LCD glass quality. The critical force is measured in the bending test even though the data scatter is not small. Second, three point bending simulation is performed by using the critical force obtained from the bending test. For the assessment of glass panel crack, EWK(ESI-Wilkins-Kamoulakos) damage and rupture model is utilized in the bending simulation. Finally, drop impact test and simulation are carried out to verify the drop reliability assessment process for LCD glass panel.
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