大尺寸LED TV背光亮線品味解決方案/LED 照明黃化解析/TIR透鏡優化 ...
大尺寸LED TV背光亮線品味解決方案/LED 照明黃化解析/TIR透鏡優化 ...
大尺寸LED TV背光亮線品味解決方案/LED 照明黃化解析/TIR透鏡優化 ...
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500<br />
28~28.5<br />
265~270<br />
500*tan 28~28.5 =265~270
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