Smart Phone Display 낙하 Simulation과 설계

Smart Phone Display Drop Simulation and Design

Abstract

In this Study, as the structure of smart phone display becomes thin to catch up with slim product trend, the reliability of display module is on the rise as a issue for product design. Especially, almost part of cellular phone should undergo drop test when they fall 1.5m above ground. Thus many manufacturers have considered design guide line using CAE and simulation for more efficive usage of limited resources om the martket. This test simulates the case when cellular phone slips through user's flingers while he is talking on the phone. This paper studies a drop simulation of glass for display in smart phone. This design for reliability improvements are suggested on the basis of the results of FE Analysis and display of smart phone design.

Fig. 1 3D Modeling of Display and JIG

Fig. 2 FE-Modeling of Display and JIG

Fig. 3 Display and JIG

Fig. 4 Glass Front in Display Module

Fig. 5 JIG & Glass Deformation After Drop Simulation

Fig. 6 Max Stress of Glass After DropSimulation

Fig. 7 Compensate the defect of Display’s Glass

Fig. 8 Simulation Result after of Display Design Change