{"id":85844,"date":"2026-07-27T23:00:40","date_gmt":"2026-07-27T15:00:40","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/85844.html"},"modified":"2026-07-27T23:00:40","modified_gmt":"2026-07-27T15:00:40","slug":"%e6%8b%bf%e5%88%b0%e4%b8%80%e4%bb%bd-led-%e5%85%89%e8%b0%b1%e6%95%b0%e6%8d%ae%ef%bc%8c%e6%80%8e%e4%b9%88%e7%a7%92%e7%ae%97%e8%89%b2%e5%9d%90%e6%a0%87%e3%80%81%e8%89%b2%e6%b8%a9%e5%92%8c%e6%98%be","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/85844.html","title":{"rendered":"\u62ff\u5230\u4e00\u4efd LED \u5149\u8c31\u6570\u636e\uff0c\u600e\u4e48\u79d2\u7b97\u8272\u5750\u6807\u3001\u8272\u6e29\u548c\u663e\u8272\u6307\u6570\uff1f"},"content":{"rendered":"

> \u5173\u952e\u8bcd：LED\u3001\u5149\u8c31\u5206\u6790\u3001\u8272\u5ea6\u5b66\u3001\u663e\u8272\u6307\u6570\u3001Python\u3001CIE1931<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u505a\u7167\u660e\u3001\u505a\u5149\u6e90\u7684\u4eba\u5bf9\u4e0b\u9762\u8fd9\u4e2a\u573a\u666f\u4e00\u5b9a\u4e0d\u964c\u751f：\u5206\u5149\u5149\u5ea6\u8ba1\u5bfc\u51fa\u6765\u4e00\u4efd `\u6ce2\u957f(nm) – \u8f90\u7167\u5ea6` \u7684\u6570\u636e，\u8001\u677f\/\u5ba2\u6237\u95ee\u4e00\u53e5"\u8fd9\u4e2a\u706f\u8272\u6e29\u591a\u5c11？\u663e\u8272\u6307\u6570\u591f\u4e0d\u591f？\u4e3b\u6ce2\u957f\u5728\u54ea？"\u2014\u2014\u5982\u679c\u4f60\u8fd8\u5728\u4e00\u4e2a\u4e2a\u516c\u5f0f\u624b\u7b97，\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u4f60\u628a\u6574\u5957\u6d41\u7a0b\u8dd1\u901a，\u6587\u672b\u8fd8\u653e\u4e86\u4e00\u4e2a\u6211\u81ea\u7814\u7684\u5c0f\u5de5\u5177\u3002<\/p>\n

—<\/p>\n

## \u4e00\u3001\u5148\u641e\u61c2：\u5149\u8c31\u529f\u7387\u5206\u5e03（SPD）\u624d\u662f"\u6e90\u5934"<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u6240\u6709\u989c\u8272\u6307\u6807，\u90fd\u662f\u4ece\u4e00\u4efd **\u5149\u8c31\u529f\u7387\u5206\u5e03（Spectral Power Distribution, SPD）** \u7b97\u51fa\u6765\u7684\u3002SPD \u5c31\u662f"\u6bcf\u4e2a\u6ce2\u957f\u4e0a\u6709\u591a\u5c11\u5149\u80fd\u91cf"：<\/p>\n

– \u6a2a\u8f74：\u6ce2\u957f \u03bb，\u53ef\u89c1\u5149 380\u2013780 nm；
\n– \u7eb5\u8f74：\u76f8\u5bf9\u8f90\u7167\u5ea6 \/ \u76f8\u5bf9\u529f\u7387 S(\u03bb)\u3002<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u6bd4\u5982\u4e00\u9897\u767d\u5149 LED，\u5178\u578b\u7684 SPD \u957f\u8fd9\u6837：450\u00a0nm \u9644\u8fd1\u6709\u4e2a\u5c16\u5cf0（\u84dd\u5149\u82af\u7247），\u518d\u53e0\u4e00\u6bb5\u5bbd\u5bbd\u7684\u9ec4\u7eff\u5149（\u8367\u5149\u7c89\u8f6c\u6362）\u2014\u2014\u84dd+\u9ec4\u7eff\u6df7\u51fa"\u767d"\u3002<\/p>\n

\"\"<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u540e\u9762\u6240\u6709\u6307\u6807（\u8272\u5750\u6807\u3001\u8272\u6e29\u3001\u663e\u8272\u6307\u6570）\u90fd\u662f\u5bf9\u8fd9\u6761\u66f2\u7ebf\u505a\u79ef\u5206\/\u8fd0\u7b97\u5f97\u5230\u7684\u3002**\u6240\u4ee5\u53ea\u8981\u4f60\u6709\u4e86 SPD，\u989c\u8272\u5c31\u5b8c\u5168\u786e\u5b9a\u4e86\u3002**<\/p>\n

—<\/p>\n

## \u4e8c\u3001\u4ece SPD \u5230\u8272\u5750\u6807（CIE 1931）<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u4eba\u773c\u6709\u4e09\u79cd\u89c6\u9525\u7ec6\u80de，\u5bf9\u5e94 CIE 1931 \u6807\u51c6\u89c2\u5bdf\u8005\u7684\u4e09\u6761\u914d\u8272\u51fd\u6570 x\u0304(\u03bb)\u3001\u0233(\u03bb)\u3001z\u0304(\u03bb)\u3002\u628a SPD \u548c\u5b83\u4eec\u5206\u522b\u76f8\u4e58\u518d\u79ef\u5206，\u5f97\u5230\u4e09\u523a\u6fc0\u503c：<\/p>\n

```
\nX = \u222b S(\u03bb)\u00b7x\u0304(\u03bb) d\u03bb
\nY = \u222b S(\u03bb)\u00b7\u0233(\u03bb) d\u03bb \u00a0 \u00a0 \u00a0\u2190 Y \u540c\u65f6\u4ee3\u8868\u4eba\u773c\u4eae\u5ea6
\nZ = \u222b S(\u03bb)\u00b7z\u0304(\u03bb) d\u03bb
\n```<\/p>\n

\u5f52\u4e00\u5316\u5f97\u5230\u8272\u5750\u6807：<\/p>\n

```
\nx = X \/ (X + Y + Z)
\ny = Y \/ (X + Y + Z)
\n```<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u628a (x, y) \u753b\u5230 **CIE 1931 \u8272\u5ea6\u56fe**\u4e0a，\u5c31\u80fd\u76f4\u89c2\u770b\u5230\u8fd9\u4e2a\u5149\u6e90"\u504f\u4ec0\u4e48\u989c\u8272"\u3002\u4e0b\u9762\u662f\u793a\u4f8b\u767d\u5149 LED \u5728\u8272\u5ea6\u56fe\u4e0a\u7684\u4f4d\u7f6e，\u4ee5\u53ca\u9ed1\u4f53（\u666e\u6717\u514b）\u8f68\u8ff9\u548c D65\/D50 \u6807\u51c6\u767d\u70b9：<\/p>\n

![\u56fe2 CIE 1931 \u8272\u5ea6\u56fe](images\/cie1931_spectrum.png)<\/p>\n

\"\"<\/p>\n

—<\/p>\n

## \u4e09\u3001\u8272\u6e29 CCT \u4e0e\u666e\u6717\u514b\u8f68\u8ff9<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u9ed1\u4f53\u88ab\u52a0\u70ed\u5230\u4e0d\u540c\u6e29\u5ea6\u4f1a\u53d1\u51fa\u4e0d\u540c\u989c\u8272\u7684\u5149，\u8fd9\u6761"\u9ed1\u4f53\u53d1\u5149\u8f68\u8ff9"\u5c31\u662f**\u666e\u6717\u514b\u8f68\u8ff9**（\u56fe2 \u6a59\u8272\u7ebf）\u3002\u4e00\u4e2a\u5149\u6e90\u7684**\u76f8\u5173\u8272\u6e29 CCT**，\u5c31\u662f"\u8272\u5ea6\u56fe\u4e0a\u79bb\u5b83\u6700\u8fd1\u7684\u9ed1\u4f53\u6e29\u5ea6"\u3002<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u4e25\u683c\u5730\u8bb2，CCT \u8981\u5728**\u9ed1\u4f53（\u666e\u6717\u514b）\u8f90\u5c04\u8c31**\u4e0a\u6c42\u89e3\u3002\u628a\u666e\u6717\u514b\u5b9a\u5f8b\u5bf9\u6bcf\u4e2a\u6ce2\u957f\u79ef\u5206\u3001\u518d\u6295\u5f71\u5230 CIE 1931，\u5c31\u5f97\u5230\u6e29\u5ea6 T \u5bf9\u5e94\u7684\u9ed1\u4f53\u8272\u5750\u6807 (x, y)\u2014\u2014\u4e5f\u5c31\u662f\u666e\u6717\u514b\u8f68\u8ff9\u4e0a\u4e00\u70b9：<\/p>\n

```
\nS(\u03bb,T) = 1 \/ [ \u03bb\u2075 \u00b7 (exp(c\u2082\/(\u03bbT)) \u2212 1) ] \u00a0 \u00a0 \u00a0c\u2082 = 0.0143877696 m\u00b7K，\u03bb \u53d6\u7c73
\nx(T), y(T) = \u222b S\u00b7x\u0304 d\u03bb \/ \u03a3 , \u00a0y(T) = \u222b S\u00b7\u0233 d\u03bb \/ \u03a3 \u00a0 \u00a0（\u03a3 = \u222bS\u00b7(x\u0304+\u0233+z\u0304)d\u03bb）
\n```<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u6c42\u89e3 CCT \u5c31\u662f\u5728\u666e\u6717\u514b\u8f68\u8ff9\u4e0a\u627e\u4e00\u70b9，\u4f7f\u5b83\u4e0e\u76ee\u6807\u8272\u5750\u6807 (x, y) \u7684"\u8ddd\u79bb"\u6700\u5c0f\u3002**\u672c\u6587\u5de5\u5177（\u4e5f\u662f\u7b2c\u516b\u8282 demo）\u7684\u771f\u6b63\u505a\u6cd5**：\u5728 **CIE 1960 UCS (u, v) \u7a7a\u95f4**（\u666e\u6717\u514b\u8f68\u8ff9\u5728\u8fd9\u91cc\u8fd1\u4f3c\u4e3a\u76f4\u7ebf，\u6bd4 (x,y) \u66f4\u7a33）\u91cc，\u7528**\u725b\u987f\u6cd5**\u5728\u4e0a\u9762\u7684\u7cbe\u786e Planck \u8f68\u8ff9\u4e0a\u76f4\u63a5\u8fed\u4ee3\u6536\u655b\u5230\u771f\u5b9e CCT（\u4e2d\u5fc3\u5dee\u5206\u53d6\u4e00\u9636\/\u4e8c\u9636\u6570\u503c\u5bfc\u6570，\u226415 \u6b65，\u5bb9\u5dee 1e-4 K）\u3002\u4e3a\u4e86\u52a0\u901f\u6536\u655b，\u5148\u7528 **McCamy \u95ed\u5f0f\u516c\u5f0f**\u7ed9\u4e00\u4e2a\u6beb\u79d2\u7ea7\u521d\u503c\u2014\u2014\u5b83**\u53ea\u4f5c"\u79cd\u5b50"，\u4e0d\u53c2\u4e0e\u6700\u7ec8\u7cbe\u5ea6**：<\/p>\n

```
\nn = (x\u22120.3320)\/(y\u22120.1858); \u00a0T_seed = \u2212449\u00b7n\u00b3 + 3525\u00b7n\u00b2 + 6823.3\u00b7n + 5520.33
\n```<\/p>\n

> \u6ce8\u610f：McCamy \u5355\u72ec\u7528\u8bef\u5dee\u901a\u5e38\u5728\u51e0\u4e2a\u767e\u5206\u70b9，\u53ea\u80fd\u5f53\u8d77\u70b9；\u672c\u6587\u5de5\u5177\u6700\u7ec8 CCT \u7531\u725b\u987f\u6cd5\u5728**\u7cbe\u786e Planck \u79ef\u5206**\u8f68\u8ff9\u4e0a\u6536\u655b\u5f97\u5230，\u5e76\u975e McCamy \u76f4\u51fa\u3002\u7b2c\u516b\u8282\u5b8c\u6574 Python \u6309\u6b64\u590d\u523b，\u53ef\u76f4\u63a5\u8dd1\u3002<\/p>\n

—<\/p>\n

## \u56db\u3001\u4e3b\u6ce2\u957f\u4e0e\u8272\u7eaf\u5ea6（\u9971\u548c\u5ea6）<\/p>\n

– **\u4e3b\u6ce2\u957f（Dominant Wavelength）**：\u4ece\u8be5\u5149\u6e90\u989c\u8272\u5411\u5149\u8c31\u8f68\u8ff9\u4f5c\u5ef6\u957f\u7ebf，\u4ea4\u70b9\u5bf9\u5e94\u7684\u5355\u8272\u5149\u6ce2\u957f\u3002\u5b83\u63cf\u8ff0\u989c\u8272\u7684"\u8272\u8c03"（\u7ea2\/\u7eff\/\u84dd\u503e\u5411）\u3002
\n– **\u8272\u7eaf\u5ea6（Purity）**：`|\u767d\u70b9\u2192\u6837\u54c1\u70b9| \/ |\u767d\u70b9\u2192\u5149\u8c31\u8f68\u8ff9\u4ea4\u70b9|`，\u63cf\u8ff0\u989c\u8272\u7684"\u9971\u548c\u7a0b\u5ea6"\u3002<\/p>\n

—<\/p>\n

## \u4e94\u3001\u5cf0\u503c\u6ce2\u957f\u3001\u534a\u5cf0\u5bbd（LED \u6700\u5173\u5fc3）<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u5bf9 LED \u5de5\u7a0b\u5e08\u6765\u8bf4，\u8fd9\u4e24\u4e2a\u6bd4\u8272\u6e29\u8fd8\u91cd\u8981：<\/p>\n

– **\u5cf0\u503c\u6ce2\u957f \u03bb_peak**：SPD \u66f2\u7ebf\u6700\u9ad8\u70b9\u5bf9\u5e94\u7684\u6ce2\u957f（\u76f4\u63a5 `argmax` \u5373\u53ef）\u3002
\n– **\u534a\u5cf0\u5bbd FWHM（Full Width at Half Maximum）**：\u66f2\u7ebf\u5cf0\u503c\u4e00\u534a\u5904\u7684\u5bbd\u5ea6，\u53cd\u6620\u5149\u8c31"\u7a84\u4e0d\u7a84"\u2014\u2014\u7a84\u5e26 LED \u989c\u8272\u7eaf，\u5bbd\u5e26 LED \u6df7\u5149\u66f4\u767d\u3002<\/p>\n

—<\/p>\n

## \u516d\u3001\u663e\u8272\u6307\u6570 CRI（\u91cd\u5934\u620f）<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u663e\u8272\u6307\u6570\u8861\u91cf"\u8fd9\u4e2a\u706f\u7167\u5728\u7269\u4f53\u4e0a，\u989c\u8272\u8fd8\u539f\u51c6\u4e0d\u51c6"\u3002<\/p>\n

– **CRI（CIE 13.3-1995）**：\u7528 15 \u5757\u6807\u51c6\u8272\u677f（R1\u2013R14，\u53e6\u52a0 R15 \u4e9a\u6d32\u4eba\u80a4\u8272），\u5206\u522b\u7b97\u5149\u6e90\u4e0b\u4e0e\u53c2\u8003\u5149\u6e90\u4e0b\u7684\u8272\u5dee，\u5f97\u5230 R1\u2013R15，\u53d6\u524d 8 \u5757\u7684\u5e73\u5747\u5c31\u662f**\u4e00\u822c\u663e\u8272\u6307\u6570 Ra**\u3002<\/p>\n

![\u56fe3 \u663e\u8272\u6307\u6570 R1\u2013R15 \u793a\u4f8b（\u5de5\u5177\u8ba1\u7b97\u8f93\u51fa）](images\/cri_bars.png)\"\"<\/p>\n

—<\/p>\n

## \u4e03\u3001\u5149\u901a\u91cf\u4e0e\u5149\u89c6\u6548\u80fd<\/p>\n

– **\u5149\u901a\u91cf \u03a6（lm）**：`\u03a6 = K_m \u00b7 \u222b S(\u03bb)\u00b7\u0233(\u03bb) d\u03bb`，`K_m = 683 lm\/W` \u662f\u6700\u5927\u5149\u8c31\u5149\u89c6\u6548\u80fd\u3002
\n– **\u5149\u89c6\u6548\u80fd（lm\/W）**：\u5149\u901a\u91cf \u00f7 \u7535\u529f\u7387，\u8861\u91cf"\u4e00\u5ea6\u7535\u80fd\u6362\u591a\u5c11\u53ef\u89c1\u5149"，\u662f\u8282\u80fd\u7684\u6838\u5fc3\u6307\u6807\u3002<\/p>\n

> **\u5173\u4e8e"\u7edd\u5bf9\u5b9a\u6807"\u2014\u2014\u8fd9\u70b9\u5f88\u5bb9\u6613\u8e29\u5751**：\u4e0a\u5f0f\u80fd\u76f4\u63a5\u7b97\u51fa"\u7edd\u5bf9\u6d41\u660e"\u7684\u524d\u63d0\u662f `S(\u03bb)` \u672c\u8eab\u662f**\u7edd\u5bf9\u8f90\u5c04\u91cf**（\u5982 W\u00b7nm\u207b\u00b9\u00b7sr\u207b\u00b9 \u6216\u7ecf\u6821\u51c6\u7684 W\u00b7nm\u207b\u00b9）\u3002\u4f46\u7edd\u5927\u591a\u6570\u5206\u5149\u5149\u5ea6\u8ba1\u5bfc\u51fa\u7684 SPD \u662f**\u76f8\u5bf9\u503c**（\u5e38\u5f52\u4e00\u5316\u5230\u5cf0\u503c=1 \u6216\u67d0\u53c2\u8003），\u6b64\u65f6 `\u222bS\u00b7\u0233` \u53ea\u662f\u76f8\u5bf9\u6570，\u7b97\u51fa\u7684 \u03a6 \u662f**\u76f8\u5bf9\u5149\u901a\u91cf**，\u4e0d\u80fd\u5f53"\u591a\u5c11\u6d41\u660e"\u8bfb\u3002\u8981\u5f97\u5230\u771f\u6b63\u7684\u7edd\u5bf9\u6d41\u660e：
\n> 1. \u7528**\u5df2\u6821\u51c6**\u7684\u5149\u8c31\u8f90\u5c04\u8ba1（\u6eaf\u6e90\u5230\u6807\u51c6\u706f \/ \u79ef\u5206\u7403\u7cfb\u7edf）\u6d4b\u91cf，\u4f7f S(\u03bb) \u843d\u5728\u7edd\u5bf9\u5355\u4f4d\u4e0a；\u6216
\n> 2. \u7528\u4e00\u652f**\u5df2\u77e5\u5149\u901a\u91cf\u7684\u53c2\u8003\u6e90**\u6807\u5b9a\u6bd4\u4f8b\u7cfb\u6570 `k`，\u518d\u7b97 `\u03a6_abs = K_m \u00b7 k \u00b7 \u222bS_rel\u00b7\u0233 d\u03bb`\u3002
\n> \u672c\u6587\u5de5\u5177\u6309\u8f93\u5165 SPD \u7684\u5355\u4f4d\u76f4\u63a5\u5957\u7528\u8be5\u516c\u5f0f\u2014\u2014\u5582\u76f8\u5bf9\u8c31\u5c31\u5f97\u76f8\u5bf9\u503c；\u8981\u51fa\u7edd\u5bf9\u6d41\u660e，\u8bf7\u5148\u628a\u8f93\u5165\u6570\u636e\u505a\u597d\u7edd\u5bf9\u5b9a\u6807\u3002<\/p>\n

—<\/p>\n

## \u516b\u3001\u628a\u4e0a\u9762\u6574\u5957\u6d41\u7a0b\u5199\u6210\u53ef\u8fd0\u884c Python<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u4e0b\u9762\u8fd9\u6bb5\u81ea\u5305\u542b\u4ee3\u7801，\u8f93\u5165\u4efb\u610f SPD，\u5c31\u80fd\u7b97\u51fa\u8272\u5750\u6807\u3001CCT\u3001\u4e3b\u6ce2\u957f\u3001\u8272\u7eaf\u5ea6\u3001\u5cf0\u503c\u6ce2\u957f\u3001\u534a\u5cf0\u5bbd\u3002\u914d\u8272\u51fd\u6570\u7528\u4e86 Wyman 2013 \u7684\u89e3\u6790\u8fd1\u4f3c，\u4e0d\u7528\u989d\u5916\u4e0b\u8f7d\u6570\u636e\u6587\u4ef6，**\u590d\u5236\u5373\u53ef\u8dd1**：<\/p>\n

import numpy as np<\/p>\n

WL = np.arange(380, 781, 1, dtype=float) \u00a0 \u00a0 \u00a0 \u00a0 \u00a0# 380-780 nm, 1nm \u6b65\u8fdb<\/p>\n

# —- CIE 1931 2\u5ea6\u89c2\u5bdf\u8005\u914d\u8272\u51fd\u6570（Wyman 2013 \u89e3\u6790\u8fd1\u4f3c）—-
\ndef _g(x, mu, s1, s2):
\n\u00a0 \u00a0 s = np.where(x < mu, s1, s2)
\n\u00a0 \u00a0 t = (x – mu) \/ s
\n\u00a0 \u00a0 return np.exp(-0.5 * t * t)<\/p>\n

def xbar(x): return 1.056*_g(x,599.8,37.9,31.0) + 0.362*_g(x,442,16,26.7) – 0.065*_g(x,501.1,20.4,26.2)
\ndef ybar(x): return 0.821*_g(x,568.8,46.9,40.5) + 0.286*_g(x,530.9,16.3,31.1)
\ndef zbar(x): return 1.217*_g(x,437,11.8,36) + 0.681*_g(x,459,26,13.8)<\/p>\n

XB, YB, ZB = xbar(WL), ybar(WL), zbar(WL)<\/p>\n

def spd_to_xyz(spd):
\n\u00a0 \u00a0 X = np.trapezoid(spd*XB, WL); Y = np.trapezoid(spd*YB, WL); Z = np.trapezoid(spd*ZB, WL)
\n\u00a0 \u00a0 s = X+Y+Z
\n\u00a0 \u00a0 return X\/s, Y\/s, Z\/s<\/p>\n

# —- \u793a\u4f8b：\u767d\u5149 LED（\u84dd\u5149\u82af\u7247 + \u8367\u5149\u7c89\u5bbd\u5e26）—-
\nspd = (np.exp(-((WL-450)**2)\/(2*18**2))
\n\u00a0 \u00a0 \u00a0 \u00a0+ 0.9*np.exp(-((WL-565)**2)\/(2*80**2))
\n\u00a0 \u00a0 \u00a0 \u00a0+ 0.35*np.exp(-((WL-610)**2)\/(2*70**2)))
\nspd = spd \/ spd.max()<\/p>\n

x, y, _ = spd_to_xyz(spd)<\/p>\n

# —- \u7cbe\u786e Planck \u79ef\u5206 + \u725b\u987f\u6cd5\u6c42 CCT（\u4e0e\u5de5\u5177\u5185 calc_cct \u5b9e\u73b0\u4e00\u81f4）—-
\ndef planckian_xy(T):
\n\u00a0 \u00a0 c2 = 0.0143877696 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 # \u7b2c\u4e8c\u8f90\u5c04\u5e38\u6570 h\u00b7c\/k (m\u00b7K)
\n\u00a0 \u00a0 wl_m = WL * 1e-9 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0# \u6ce2\u957f nm -> m
\n\u00a0 \u00a0 S = 1.0 \/ (wl_m**5 * (np.exp(c2\/(wl_m*T)) – 1.0)) \u00a0 # Planck \u8c31（\u76f8\u5bf9\u503c）
\n\u00a0 \u00a0 X = np.trapezoid(S*XB, WL); Y = np.trapezoid(S*YB, WL); Z = np.trapezoid(S*ZB, WL)
\n\u00a0 \u00a0 s = X+Y+Z
\n\u00a0 \u00a0 return X\/s, Y\/s<\/p>\n

# CIE 1960 UCS \u5750\u6807：\u666e\u6717\u514b\u8f68\u8ff9\u5728\u6b64\u7a7a\u95f4\u8fd1\u4f3c\u76f4\u7ebf，CCT \u5728\u6b64\u7a7a\u95f4\u6c42\u89e3
\ndef _uv(x, y):
\n\u00a0 \u00a0 d = -2*x + 12*y + 3
\n\u00a0 \u00a0 return 4*x\/d, 6*y\/d<\/p>\n

# McCamy \u7ed9\u521d\u503c，\u725b\u987f\u6cd5\u5728\u7cbe\u786e Planck \u8f68\u8ff9\u4e0a\u7cbe\u4fee
\ndef calc_cct(x, y, max_iter=15, eps=1e-3, tol=1e-4):
\n\u00a0 \u00a0 ut, vt = _uv(x, y)
\n\u00a0 \u00a0 n = (x-0.3320)\/(y-0.1858)
\n\u00a0 \u00a0 T = float(np.clip(-449*n**3 + 3525*n**2 + 6823.3*n + 5520.33, 1000.0, 20000.0))
\n\u00a0 \u00a0 for _ in range(max_iter):
\n\u00a0 \u00a0 \u00a0 \u00a0 xx, yy = planckian_xy(T)
\n\u00a0 \u00a0 \u00a0 \u00a0 u, v = _uv(xx, yy)
\n\u00a0 \u00a0 \u00a0 \u00a0 du, dv = u-ut, v-vt
\n\u00a0 \u00a0 \u00a0 \u00a0 f = du*du + dv*dv
\n\u00a0 \u00a0 \u00a0 \u00a0 if f < 1e-12:
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 break
\n\u00a0 \u00a0 \u00a0 \u00a0 # \u6570\u503c\u4e00\u9636\/\u4e8c\u9636\u5bfc\u6570（\u4e2d\u5fc3\u5dee\u5206）
\n\u00a0 \u00a0 \u00a0 \u00a0 xh, yh = planckian_xy(T+eps); uh, vh = _uv(xh, yh)
\n\u00a0 \u00a0 \u00a0 \u00a0 xl, yl = planckian_xy(T-eps); ul, vl = _uv(xl, yl)
\n\u00a0 \u00a0 \u00a0 \u00a0 up, vp \u00a0 = (uh-ul)\/(2*eps), (vh-vl)\/(2*eps)
\n\u00a0 \u00a0 \u00a0 \u00a0 upp, vpp = (uh-2*u+ul)\/eps**2, (vh-2*v+vl)\/eps**2
\n\u00a0 \u00a0 \u00a0 \u00a0 fp \u00a0= 2*(du*up + dv*vp)
\n\u00a0 \u00a0 \u00a0 \u00a0 fpp = 2*(up*up + vp*vp + du*upp + dv*vpp)
\n\u00a0 \u00a0 \u00a0 \u00a0 if abs(fpp) < 1e-15:
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 break
\n\u00a0 \u00a0 \u00a0 \u00a0 T_new = float(np.clip(T – fp\/fpp, 1000.0, 20000.0))
\n\u00a0 \u00a0 \u00a0 \u00a0 if abs(T_new – T) < tol:
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 T = T_new; break
\n\u00a0 \u00a0 \u00a0 \u00a0 T = T_new
\n\u00a0 \u00a0 return T<\/p>\n

CCT = calc_cct(x, y)<\/p>\n

# \u5cf0\u503c\u6ce2\u957f & \u534a\u5cf0\u5bbd（\u767d\u5149 LED \u901a\u5e38\u6307\u84dd\u5149\u82af\u7247\u5cf0\u7684\u534a\u5cf0\u5bbd）
\npeak = WL[np.argmax(spd)]
\nblue = np.exp(-((WL-450)**2)\/(2*18**2)) \u00a0 \u00a0 \u00a0# \u84dd\u5149\u82af\u7247\u5cf0（\u9ad8\u65af）
\nhb = blue.max()\/2
\nib = np.where(blue >= hb)[0]
\nfwhm = WL[ib[-1]] – WL[ib[0]]<\/p>\n

# \u4e3b\u6ce2\u957f & \u8272\u7eaf\u5ea6（\u4ee5\u7b49\u80fd\u767d\u70b9 E \u4e3a\u53c2\u8003）
\nWe = np.array([1\/3, 1\/3])
\n# \u5149\u8c31\u8f68\u8ff9 + \u7d2b\u7ebf，\u6784\u9020\u8fb9\u754c\u591a\u8fb9\u5f62
\nlx = []; ly = []
\nfor w in WL:
\n\u00a0 \u00a0 m = (WL==w).astype(float)
\n\u00a0 \u00a0 X = np.trapezoid(m*XB, WL); Y = np.trapezoid(m*YB, WL); Z = np.trapezoid(m*ZB, WL)
\n\u00a0 \u00a0 sx, sy = X\/(X+Y+Z), Y\/(X+Y+Z); lx.append(sx); ly.append(sy)
\nlx, ly = np.array(lx), np.array(ly)
\nboundary = np.vstack([np.column_stack([lx, ly]), [lx[-1], ly[-1]], [lx[0], ly[0]]]) \u00a0# \u95ed\u5408\u7d2b\u7ebf<\/p>\n

P = np.array([x, y])
\nbest = None
\nfor i in range(len(boundary)-1):
\n\u00a0 \u00a0 A, B = boundary[i], boundary[i+1]
\n\u00a0 \u00a0 # \u5c04\u7ebf We->P \u4e0e\u7ebf\u6bb5 A->B \u6c42\u4ea4
\n\u00a0 \u00a0 v1 = P – We; v2 = B – A
\n\u00a0 \u00a0 denom = np.cross(v1, v2)
\n\u00a0 \u00a0 if abs(denom) < 1e-12: continue
\n\u00a0 \u00a0 t = np.cross(A-We, v2)\/denom
\n\u00a0 \u00a0 u = np.cross(A-We, v1)\/denom
\n\u00a0 \u00a0 if t >= 0 and 0 <= u <= 1:
\n\u00a0 \u00a0 \u00a0 \u00a0 inter = We + t*v1
\n\u00a0 \u00a0 \u00a0 \u00a0 if best is None or t < best[0]:
\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 best = (t, inter)
\ndom_wl = None
\nif best:
\n\u00a0 \u00a0 ip = best[1]
\n\u00a0 \u00a0 # \u4ea4\u70b9\u5bf9\u5e94\u7684\u6ce2\u957f：\u627e\u6700\u8fd1\u7684\u8f68\u8ff9\u70b9（\u7d2b\u7ebf\u90e8\u5206\u4eba\u4e3a\u6307\u5b9a）
\n\u00a0 \u00a0 d = np.hypot(lx-ip[0], ly-ip[1])
\n\u00a0 \u00a0 k = int(np.argmin(d))
\n\u00a0 \u00a0 dom_wl = WL[k]
\n\u00a0 \u00a0 purity = np.linalg.norm(P-We)\/np.linalg.norm(ip-We)<\/p>\n

print(f"\u8272\u5750\u6807 x={x:.4f}, y={y:.4f}")
\nprint(f"\u76f8\u5173\u8272\u6e29 CCT \u2248 {CCT:.0f} K")
\nprint(f"\u5cf0\u503c\u6ce2\u957f \u2248 {peak:.0f} nm, \u84dd\u5149\u82af\u7247\u534a\u5cf0\u5bbd FWHM \u2248 {fwhm:.0f} nm")
\nif dom_wl: print(f"\u4e3b\u6ce2\u957f \u2248 {dom_wl:.0f} nm, \u8272\u7eaf\u5ea6 \u2248 {purity*100:.1f}%")<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u8dd1\u8fd9\u6bb5，\u4f60\u4f1a\u5f97\u5230\u7c7b\u4f3c：`x=0.3424, y=0.3380，CCT\u22485057K，\u5cf0\u503c\u2248452nm，FWHM\u224842nm，\u4e3b\u6ce2\u957f\u2248587nm，\u8272\u7eaf\u5ea6\u22484.1%`\u2014\u2014\u4e00\u4e2a\u5178\u578b\u7684\u4e2d\u6027\u767d\u5149 LED\u3002<\/p>\n

> \u663e\u8272\u6307\u6570 CRI（R1\u2013R15）\u7684\u7b97\u6cd5\u6d89\u53ca 15 \u5757\u6807\u51c6\u8272\u677f\u548c CIE 13.3 \u914d\u8272\u51fd\u6570，\u7bc7\u5e45\u6240\u9650\u5b8c\u6574\u5b9e\u73b0\u4e0d\u5c55\u5f00，\u5de5\u7a0b\u5b9e\u73b0\u53ef\u53c2\u8003 CIE 13.3-1995 \u5b98\u65b9\u6587\u6863\u3002<\/p>\n

—<\/p>\n

## \u4e5d\u3001\u61d2\u4eba\u65b9\u6848：\u6211\u505a\u7684\u300cLED \u5149\u8c31\u6027\u80fd\u5206\u6790\u5de5\u5177\u300d<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u628a\u4e0a\u9762\u8fd9\u4e00\u6574\u5957（\u5bfc\u5165\u2192\u8ba1\u7b97\u2192\u51fa\u56fe\u2192\u5bfc\u51fa）\u505a\u6210\u4e86\u4e00\u4e2a**\u684c\u9762\u5c0f\u5de5\u5177**，\u514d\u88c5 Python\u3001\u70b9\u51e0\u4e0b\u5c31\u51fa\u7ed3\u679c：<\/p>\n

– **\u5bfc\u5165**：\u652f\u6301 Excel（.xls\/.xlsx）\u548c CSV，CSV \u8868\u5934 `\u6ce2\u957f(nm),\u8f90\u7167\u5ea6S(\u03bb)`，\u6ce2\u957f\u8303\u56f4 380\u2013780 nm；
\n– **\u5185\u7f6e\u9884\u8bbe\u8c31**：CIE D65（6504K）\u3001CIE D50（5003K）\u3001\u6807\u51c6\u5149\u6e90 A\u3001\u4ee5\u53ca LED-R(625nm)\/G(525nm)\/B(455nm) \u5355\u8272\u6a21\u578b，\u53ef\u4e00\u952e\u52a0\u8f7d\u5bf9\u7167；
\n– **\u4e00\u952e\u8ba1\u7b97**：\u8272\u5750\u6807\u3001CCT\u3001\u4e3b\u6ce2\u957f\u3001\u8272\u7eaf\u5ea6\u3001\u5cf0\u503c\u6ce2\u957f\u3001\u534a\u5cf0\u5bbd FWHM\u3001\u5149\u901a\u91cf\u3001\u5149\u89c6\u6548\u80fd\u3001**\u663e\u8272\u6307\u6570 CRI（Ra + R1\u2013R15 \u660e\u7ec6）** \u5168\u5217\u51fa\u6765；
\n– **\u53cc\u56fe\u8054\u52a8**：\u5de6\u56fe SPD \u5149\u8c31\u66f2\u7ebf，\u53f3\u56fe CIE 1931 \u8272\u5ea6\u56fe（\u542b\u5149\u8c31\u8f68\u8ff9\u3001\u666e\u6717\u514b\u8f68\u8ff9\u3001\u5f53\u524d\u70b9），\u7b97\u5b8c\u81ea\u52a8\u5237\u65b0；
\n– **\u5bfc\u51fa**：\u7ed3\u679c\u53ef\u5bfc\u51fa CSV，\u5e76\u652f\u6301\u8bbe\u7f6e\u5bfc\u51fa\u6ce2\u957f\u95f4\u9694\u3002<\/p>\n

\"\"<\/p>\n

> \u56fe\u4e3a\u754c\u9762\u793a\u610f，\u5b9e\u9645\u529f\u80fd\u4ee5\u8f6f\u4ef6\u4e3a\u51c6\u3002<\/p>\n

—<\/p>\n

## \u5341\u3001\u8fd9\u5de5\u5177\u80fd\u5e2e\u4f60\u7701\u6389\u54ea\u4e9b\u91cd\u590d\u6d3b<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u539f\u7406\u548c\u4ee3\u7801\u4e0a\u9762\u90fd\u7ed9\u4e86，\u4ee3\u7801\u90e8\u5206\u5b8c\u5168\u53ef\u81ea\u7528\u3001\u4e0d\u6536\u8d39\u3002\u771f\u6b63\u8017\u4eba\u7684\u5f80\u5f80\u4e0d\u662f"\u7b97\u4e00\u6b21"，\u800c\u662f"\u5929\u5929\u7b97\u3001\u6279\u91cf\u7b97\u3001\u8fd8\u8981\u51fa\u62a5\u544a"：<\/p>\n

– **\u6279\u91cf\u5149\u8c31\u8ba1\u7b97**：\u4ea7\u7ebf \/ \u6765\u6599\u68c0\u9a8c\u6bcf\u5929\u51e0\u5341\u4e0a\u767e\u4efd\u5206\u5149\u6570\u636e，\u624b\u52a8\u4e00\u4efd\u4efd\u7b97\u8272\u6e29\u3001\u663e\u8272\u6307\u6570\u4e0d\u73b0\u5b9e\u3002\u5de5\u5177\u652f\u6301\u4e00\u6b21\u5bfc\u5165\u591a\u4efd SPD，\u6279\u91cf\u51fa\u5168\u90e8\u6307\u6807，\u51e0\u5206\u949f\u626b\u5b8c\u4e00\u5929\u7684\u91cf\u3002
\n– **\u81ea\u52a8\u5bfc\u51fa\u68c0\u6d4b\u62a5\u544a**：\u7b97\u5b8c\u76f4\u63a5\u5bfc\u51fa CSV，\u8272\u5750\u6807 \/ CCT \/ CRI（Ra + R1\u2013R15）\/ \u5149\u901a\u91cf\u5168\u5b57\u6bb5\u5e26\u51fa，\u8fd8\u80fd\u8bbe\u5bfc\u51fa\u6ce2\u957f\u95f4\u9694，\u7701\u6389\u624b\u6284\u548c\u6392\u7248\u3002
\n– **\u5bf9\u63a5\u4ea7\u7ebf\u5224\u8272**：\u628a"\u5408\u683c\u533a\u95f4"\u505a\u6210\u5bf9\u7167，\u5feb\u901f\u7b5b\u51fa\u504f\u8272\u3001\u8272\u6e29\u6f02\u79fb\u3001\u663e\u8272\u6307\u6570\u4e0d\u8fbe\u6807\u6279\u6b21，\u6bd4\u4eba\u773c\u7a33\u5f97\u591a\u3002<\/p>\n

\u00a0 \u00a0 \u00a0 \u00a0 \u5982\u679c\u4f60\u6b63\u597d\u5361\u5728"\u6279\u91cf + \u51fa\u62a5\u544a + \u4ea7\u7ebf\u843d\u5730"\u8fd9\u4e00\u6b65，\u60f3\u7701\u6389\u642d\u73af\u5883\u3001\u5bf9\u4ed8 Excel \u7684\u529f\u592b，\u6b22\u8fce\u79c1\u4fe1\u804a\u804a，\u6216\u770b\u770b\u6211\u7684\u4e3b\u9875\u7b80\u4ecb 😊\u3002\u6211\u4e5f\u5728\u6301\u7eed\u66f4\u65b0\u300c\u81ea\u7814\u5149\u7535 & \u529e\u516c\u5c0f\u5de5\u5177\u5b9e\u6218\u300d\u7cfb\u5217，\u611f\u5174\u8da3\u53ef\u4ee5\u5173\u6ce8\u4e00\u4e0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

> \u5173\u952e\u8bcd：LED\u3001\u5149\u8c31\u5206\u6790\u3001\u8272\u5ea6\u5b66\u3001\u663e\u8272\u6307\u6570\u3001Python\u3001CIE1931\u505a\u7167\u660e\u3001\u505a\u5149\u6e90\u7684\u4eba\u5bf9\u4e0b\u9762\u8fd9\u4e2a\u573a\u666f\u4e00\u5b9a\u4e0d\u964c\u751f：\u5206\u5149\u5149\u5ea6\u8ba1\u5bfc\u51fa\u6765\u4e00\u4efd \u6ce2\u957f(nm) – \u8f90\u7167\u5ea6 \u7684\u6570\u636e，\u8001\u677f\/\u5ba2\u6237\u95ee\u4e00\u53e5\\”\u8fd9\u4e2a\u706f\u8272\u6e29\u591a\u5c11？\u663e\u8272\u6307\u6570\u591f\u4e0d\u591f？\u4e3b\u6ce2\u957f\u5728\u54ea？\\”\u2014\u2014\u5982\u679c\u4f60\u8fd8\u5728\u4e00\u4e2a\u4e2a\u516c\u5f0f\u624b\u7b97，\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u4f60\u628a\u6574\u5957\u6d41\u7a0b\u8dd1\u901a，\u6587\u672b\u8fd8\u653e\u4e86\u4e00\u4e2a\u6211\u81ea\u7814\u7684\u5c0f\u5de5\u5177\u3002—## \u4e00\u3001\u5148\u641e\u61c2：<\/p>\n","protected":false},"author":2,"featured_media":85840,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9652,9651,9653,3242,81],"topic":[],"class_list":["post-85844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-9652","tag-9651","tag-9653","tag-led","tag-python"],"yoast_head":"\n\u62ff\u5230\u4e00\u4efd LED \u5149\u8c31\u6570\u636e\uff0c\u600e\u4e48\u79d2\u7b97\u8272\u5750\u6807\u3001\u8272\u6e29\u548c\u663e\u8272\u6307\u6570\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/85844.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u62ff\u5230\u4e00\u4efd LED \u5149\u8c31\u6570\u636e\uff0c\u600e\u4e48\u79d2\u7b97\u8272\u5750\u6807\u3001\u8272\u6e29\u548c\u663e\u8272\u6307\u6570\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"> \u5173\u952e\u8bcd：LED\u3001\u5149\u8c31\u5206\u6790\u3001\u8272\u5ea6\u5b66\u3001\u663e\u8272\u6307\u6570\u3001Python\u3001CIE1931\u505a\u7167\u660e\u3001\u505a\u5149\u6e90\u7684\u4eba\u5bf9\u4e0b\u9762\u8fd9\u4e2a\u573a\u666f\u4e00\u5b9a\u4e0d\u964c\u751f：\u5206\u5149\u5149\u5ea6\u8ba1\u5bfc\u51fa\u6765\u4e00\u4efd \u6ce2\u957f(nm) - \u8f90\u7167\u5ea6 \u7684\u6570\u636e，\u8001\u677f\/\u5ba2\u6237\u95ee\u4e00\u53e5"\u8fd9\u4e2a\u706f\u8272\u6e29\u591a\u5c11？\u663e\u8272\u6307\u6570\u591f\u4e0d\u591f？\u4e3b\u6ce2\u957f\u5728\u54ea？"\u2014\u2014\u5982\u679c\u4f60\u8fd8\u5728\u4e00\u4e2a\u4e2a\u516c\u5f0f\u624b\u7b97，\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u4f60\u628a\u6574\u5957\u6d41\u7a0b\u8dd1\u901a，\u6587\u672b\u8fd8\u653e\u4e86\u4e00\u4e2a\u6211\u81ea\u7814\u7684\u5c0f\u5de5\u5177\u3002---## \u4e00\u3001\u5148\u641e\u61c2：\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/85844.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-27T15:00:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260727150038-6a67729614b17.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/85844.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/85844.html\",\"name\":\"\u62ff\u5230\u4e00\u4efd LED \u5149\u8c31\u6570\u636e\uff0c\u600e\u4e48\u79d2\u7b97\u8272\u5750\u6807\u3001\u8272\u6e29\u548c\u663e\u8272\u6307\u6570\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-07-27T15:00:40+00:00\",\"dateModified\":\"2026-07-27T15:00:40+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/85844.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/85844.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/85844.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u62ff\u5230\u4e00\u4efd LED \u5149\u8c31\u6570\u636e\uff0c\u600e\u4e48\u79d2\u7b97\u8272\u5750\u6807\u3001\u8272\u6e29\u548c\u663e\u8272\u6307\u6570\uff1f\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u62ff\u5230\u4e00\u4efd LED \u5149\u8c31\u6570\u636e\uff0c\u600e\u4e48\u79d2\u7b97\u8272\u5750\u6807\u3001\u8272\u6e29\u548c\u663e\u8272\u6307\u6570\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/85844.html","og_locale":"zh_CN","og_type":"article","og_title":"\u62ff\u5230\u4e00\u4efd LED \u5149\u8c31\u6570\u636e\uff0c\u600e\u4e48\u79d2\u7b97\u8272\u5750\u6807\u3001\u8272\u6e29\u548c\u663e\u8272\u6307\u6570\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"> \u5173\u952e\u8bcd：LED\u3001\u5149\u8c31\u5206\u6790\u3001\u8272\u5ea6\u5b66\u3001\u663e\u8272\u6307\u6570\u3001Python\u3001CIE1931\u505a\u7167\u660e\u3001\u505a\u5149\u6e90\u7684\u4eba\u5bf9\u4e0b\u9762\u8fd9\u4e2a\u573a\u666f\u4e00\u5b9a\u4e0d\u964c\u751f：\u5206\u5149\u5149\u5ea6\u8ba1\u5bfc\u51fa\u6765\u4e00\u4efd \u6ce2\u957f(nm) - \u8f90\u7167\u5ea6 \u7684\u6570\u636e，\u8001\u677f\/\u5ba2\u6237\u95ee\u4e00\u53e5\"\u8fd9\u4e2a\u706f\u8272\u6e29\u591a\u5c11？\u663e\u8272\u6307\u6570\u591f\u4e0d\u591f？\u4e3b\u6ce2\u957f\u5728\u54ea？\"\u2014\u2014\u5982\u679c\u4f60\u8fd8\u5728\u4e00\u4e2a\u4e2a\u516c\u5f0f\u624b\u7b97，\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u4f60\u628a\u6574\u5957\u6d41\u7a0b\u8dd1\u901a，\u6587\u672b\u8fd8\u653e\u4e86\u4e00\u4e2a\u6211\u81ea\u7814\u7684\u5c0f\u5de5\u5177\u3002---## \u4e00\u3001\u5148\u641e\u61c2：","og_url":"https:\/\/www.wsisp.com\/helps\/85844.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-07-27T15:00:40+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260727150038-6a67729614b17.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"6 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/85844.html","url":"https:\/\/www.wsisp.com\/helps\/85844.html","name":"\u62ff\u5230\u4e00\u4efd LED \u5149\u8c31\u6570\u636e\uff0c\u600e\u4e48\u79d2\u7b97\u8272\u5750\u6807\u3001\u8272\u6e29\u548c\u663e\u8272\u6307\u6570\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-07-27T15:00:40+00:00","dateModified":"2026-07-27T15:00:40+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/85844.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/85844.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/85844.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u62ff\u5230\u4e00\u4efd LED \u5149\u8c31\u6570\u636e\uff0c\u600e\u4e48\u79d2\u7b97\u8272\u5750\u6807\u3001\u8272\u6e29\u548c\u663e\u8272\u6307\u6570\uff1f"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/85844","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=85844"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/85844\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/85840"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=85844"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=85844"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=85844"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=85844"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}