| Summary: | 碩士 === 國立中興大學 === 精密工程學系所 === 96 === At present developments of high-pixel photo videos, compact camera module (CCM) is widely used in personal digital assistant, cellular phones and PC wed cameras. Currently, the quality of CCM picture imaging technology is gradually matching with which in ordinary cameras. As for picturing quality for the whole lens, the optical characteristic plays an important role. Beside the sequence optical characteristics of general imaging optical design, non-sequence characteristic bad imaging problems are also very important. Those bad imaging problems are generally called as flare or ghost, flare problems will hang over the optimization of the picture imaging quality.
In this thesis, the optical machinery designing software ‘Trace Pro’ is used with the combination with 3D mechanism designing software ‘Pro-Engineer’, to improve and analyze the flare problems of two million-pixel small-size lens modules. It will use low-cost plastic forming lenses as the improvement target, targeting on improving the structure design of the whole lens and to simulate and to analyze: (1) by using three pieces of plastic lenses to analyze the effect upon flare by improving mechanisms and its improving strategies. (2) by using three pieces of plastic lenses to analyze the effect upon flare by improving non-spherical lens and its improving strategies.
The thesis is association with software ray-trace optimization function to optimize the structural ray-trace analyses, thru the flare energy strength analysis graph, effectively correct the design value of structure parameters. In order to improve the deficiency and blind spot of certifying analysis shooting by post engineering human resources. The goal is to correlate the analysis data of software imaging quality with the result of lens evaluation to gain a reference for designing and developing small-size lenses for cell phones, note books and internet web cameras to achieve acceptable lens performance.
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