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Updated: Aug 12, 2026

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    PubMed
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    自由形状表面简化了数字光处理 (DLP) 照明系统. 这种光学设计创新提高了投影系统的光均性和效率.

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    相关概念视频

    P-N junction01:11

    P-N junction

    A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...