Abstract
Active matrix liquid crystal displays (AMLCD) need to be protected in severe environments. This is achieved through a ruggedisation process, where the display is laminated with cover glasses to become a more robust structure. The ruggedisation process can in itself cause stresses in the display and this can lead to delamination failures during the lamination process, during qualification testing or in-service. Controlling the magnitude of stress in a display during the lamination process is of course very important and this depends highly on the materials used. This paper discusses the use of finite element analysis to investigate the use of different materials in the lamination process and how such materials can affect the stress magnitude in the display.
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