{"id":128,"date":"2016-04-11T13:01:46","date_gmt":"2016-04-11T13:01:46","guid":{"rendered":""},"modified":"2016-04-11T21:02:17","modified_gmt":"2016-04-11T13:02:17","slug":"%e5%80%92%e8%a3%85%e8%8a%af%e7%89%87%e8%a1%ac%e5%ba%95%e7%b2%98%e6%8e%a5%e6%9d%90%e6%96%99%e5%af%b9%e5%a4%a7%e5%8a%9f%e7%8e%87led%e7%83%ad%e7%89%b9%e6%80%a7%e7%9a%84%e5%bd%b1%e5%93%8d","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=128","title":{"rendered":"\u5012\u88c5\u82af\u7247\u886c\u5e95\u7c98\u63a5\u6750\u6599\u5bf9\u5927\u529f\u7387LED\u70ed\u7279\u6027\u7684\u5f71\u54cd"},"content":{"rendered":"

\n\t\u3000\u3000\u6458\u8981\uff1a<\/strong>\u9488\u5bf9\u5012\u88c5\u82af\u7247\uff08Flipchip\uff09\u5927\u529f\u7387\u53d1\u5149\u4e8c\u6781\u7ba1\u5668\u4ef6\uff0c\u63cf\u8ff0\u4e86\u5927\u529f\u7387LED<\/font> \u5668\u4ef6\u7684\u70ed\u963b\u7279\u6027\uff0c\u5efa\u7acb\u4e86Flipchip\u886c\u5e95\u7c98\u63a5\u6750\u6599\u7684\u539a\u5ea6\u548c\u70ed\u5bfc\u7cfb\u6570\u4e0e\u7c98\u63a5\u6750\u6599\u70ed\u963b\u7684\u5173\u7cfb\u66f2\u7ebf\uff0c\u4ee5\u4e09\u7c7b\u5178\u578b\u7c98\u63a5\u6750\u6599\u4e3a\u4f8b\u8ba1\u7b97\u4e86\u4e0d\u540c\u539a\u5ea6\u4e0b\u7684\u70ed\u963b\uff0c\u5f97\u51fa\u4e86Flipchip\u886c\u5e95\u7c98\u63a5\u6750\u6599\u9009\u62e9\u7684\u4e0d\u540c\u5bf9\u5927\u529f\u7387LED<\/font>\u7684\u70ed\u963b\u5b58\u5728\u8f83\u5927\u5f71\u54cd\u7684\u7ed3\u8bba\u3002<\/p>\n

\n\t\u3000\u30001 \u5f15\u8a00<\/strong><\/p>\n

\n\t\u3000\u30001998\u5e74\u7f8e\u56fdLumileds<\/font> Lighting\u516c\u53f8\u5c01\u88c5\u51fa\u4e16\u754c\u4e0a\u7b2c\u4e00\u4e2a\u5927\u529f\u7387LED \uff081W LUXOEN \u5668\u4ef6\uff09\uff0c\u4f7fLED\u5668\u4ef6\u4ece\u4ee5\u524d\u7684\u6307\u793a\u706f\u5e94\u7528\u53d8\u6210\u53ef\u4ee5\u66ff\u4ee3\u4f20\u7edf\u7167\u660e<\/font>\u7684\u65b0\u578b\u56fa\u4f53\u5149\u6e90\uff0c\u5f15\u53d1\u4e86\u4eba\u7c7b\u5386\u53f2\u4e0a\u7ee7\u767d\u70bd\u706f\u53d1\u660e\u4ee5\u6765\u7684\u53c8\u4e00\u573a\u7167\u660e\u9769\u547d\u30021W LUXOEN \u5668\u4ef6\u4f7fLED\u7684\u529f\u7387\u4ece\u51e0\u5341\u6beb\u74e6\u4e00\u8dc3\u8d85\u8fc71000\u6beb\u74e6\uff0c\u5355\u4e2a\u5668\u4ef6\u7684\u5149\u901a\u91cf\u4e5f\u4ece\u4e0d\u52301\u4e2a lm\u98de\u8dc3\u8fbe\u5230\u5341\u51e0\u4e2alm\u3002\u5927\u529f\u7387LED\u7531\u4e8e\u82af\u7247\u7684\u529f\u7387\u5bc6\u5ea6\u5f88\u9ad8\uff0c\u5668\u4ef6\u7684\u8bbe\u8ba1\u8005\u548c\u5236\u9020\u8005\u5fc5\u987b\u5728\u7ed3\u6784\u548c\u6750\u6599\u7b49\u65b9\u9762\u5bf9\u5668\u4ef6\u7684\u70ed\u7cfb\u7edf\u8fdb\u884c\u4f18\u5316\u8bbe\u8ba1\u3002<\/p>\n

\n\t\u3000\u3000\u76ee\u524dGaN \u57fa\u5916\u5ef6\u886c\u5e95\u6750\u6599\u6709\u4e24\u5927\u7c7b[1]\uff1a\u4e00\u7c7b\u662f\u4ee5\u65e5\u672c“\u65e5\u4e9a\u5316\u5b66”\u4e3a\u4ee3\u8868\u7684\u84dd\u5b9d\u77f3\uff1b\u4e00\u7c7b\u662f\u7f8e\u56fdCREE<\/font>\u516c\u53f8\u4e3a\u4ee3\u8868\u7684SiC \u886c\u5e95\u3002\u4f20\u7edf\u7684\u84dd\u5b9d\u77f3\u886c\u5e95GaN \u82af\u7247\u7ed3\u6784\u5982\u56fe1 \u6240\u793a\uff0c\u7535\u6781\u521a\u597d\u4f4d\u4e8e\u82af\u7247\u7684\u51fa\u5149\u9762\u3002\u5728\u8fd9\u79cd\u7ed3\u6784\u4e2d\uff0c\u5c0f\u90e8\u5206p-GaN \u5c42\u548c“\u53d1\u5149”\u5c42\u88ab\u523b\u8680\uff0c\u4ee5\u4fbf\u4e0e\u4e0b\u9762\u7684n-GaN \u5c42\u5f62\u6210\u7535\u63a5\u89e6\u3002\u5149\u4ece\u6700\u4e0a\u9762\u7684p-GaN \u5c42\u53d6\u51fa\u3002p-GaN \u5c42\u6709\u9650\u7684\u7535\u5bfc\u7387\u8981\u6c42\u5728p-GaN\u5c42\u8868\u9762\u518d\u6c89\u6dc0\u4e00\u5c42\u7535\u6d41\u6269\u6563\u7684\u91d1\u5c5e\u5c42\u3002\u8fd9\u4e2a\u7535\u6d41\u6269\u6563\u5c42\u7531N i\u548cA u\u7ec4\u6210\uff0c\u4f1a\u5438\u6536\u90e8\u5206\u5149\uff0c\u4ece\u800c\u964d\u4f4e\u82af\u7247\u7684\u51fa\u5149\u6548\u7387\u3002\u4e3a\u4e86\u51cf\u5c11\u53d1\u5c04\u5149\u7684\u5438\u6536\uff0c\u7535\u6d41\u6269\u5c55\u5c42\u7684\u539a\u5ea6\u5e94\u51cf\u5c11\u5230\u51e0\u767e\u7eb3\u7c73\u3002\u539a\u5ea6\u7684\u51cf\u5c11\u53cd\u8fc7\u6765\u53c8\u9650\u5236\u4e86\u7535\u6d41\u6269\u6563\u5c42\u5728p-GaN \u5c42\u8868\u9762\u5747\u5300\u548c\u53ef\u9760\u5730\u6269\u6563\u5927\u7535\u6d41\u7684\u80fd\u529b\u3002<\/p>\n

\n\t

\n\t\u3000\u3000

\n\t\u3000\u3000\u56e0\u6b64\u8fd9\u79cdp \u578b\u63a5\u89e6\u7ed3\u6784\u5236\u7ea6\u4e86LED \u82af\u7247\u7684\u5de5\u4f5c\u529f\u7387\u3002\u540c\u65f6\u8fd9\u79cd\u7ed3\u6784pn\u7ed3\u7684\u70ed\u91cf\u901a\u8fc7\u84dd\u5b9d\u77f3\u886c\u5e95\u5bfc\u51fa\u53bb\uff0c\u5bfc\u70ed\u8def\u5f84\u8f83\u957f\uff0c\u7531\u4e8e\u84dd\u5b9d\u77f3\u7684\u70ed\u5bfc\u7cfb\u6570\u8f83\u91d1\u5c5e\u4f4e\uff08\u4e3a3 5 W \/ m ·K \uff09\uff0c\u56e0\u6b64\uff0c\u8fd9\u79cd\u7ed3\u6784\u7684L E D\u82af\u7247\u70ed\u963b\u4f1a\u8f83\u5927\u3002\u6b64\u5916\uff0c\u8fd9\u79cd\u7ed3\u6784\u7684p\u7535\u6781\u548c\u5f15\u7ebf\u4e5f\u4f1a\u6321\u4f4f\u90e8\u5206\u5149\u7ebf\u8fdb\u5165\u5668\u4ef6\u5c01\u88c5\uff0c\u6240\u4ee5\uff0c\u8fd9\u79cd\u6b63\u88c5LED\u82af\u7247<\/font>\u7684\u5668\u4ef6\u529f\u7387\u3001\u51fa\u5149\u6548\u7387\u548c\u70ed\u6027\u80fd\u5747\u4e0d\u53ef\u80fd\u662f\u6700\u4f18\u7684\u3002\u4e3a\u4e86\u514b\u670d\u6b63\u88c5\u82af\u7247\u7684\u8fd9\u4e9b\u4e0d\u8db3\uff0cL u m i l e d s Lighting\u516c\u53f8\u53d1\u660e\u4e86\u5012\u88c5\u82af\u7247\uff08Flipchip\uff09\u7ed3\u6784\uff0c\u5982\u56fe2 \u6240\u793a\u3002\u5728\u8fd9\u79cd\u7ed3\u6784\u4e2d\uff0c\u5149\u4ece\u84dd\u5b9d\u77f3\u886c\u5e95\u53d6\u51fa\uff0c\u4e0d\u5fc5\u4ece\u7535\u6d41\u6269\u6563\u5c42\u53d6\u51fa\u3002\u7531\u4e8e\u4e0d\u4ece\u7535\u6d41\u6269\u6563\u5c42\u53d6\u5149\uff0c\u8fd9\u6837\u4e0d\u900f\u5149\u7684\u7535\u6d41\u6269\u6563\u5c42\u53ef\u4ee5\u52a0\u539a\uff0c\u589e\u52a0Flipchip\u7684\u7535\u6d41\u5bc6\u5ea6\u3002\u540c\u65f6\u8fd9\u79cd\u7ed3\u6784\u8fd8\u53ef\u4ee5\u5c06pn\u7ed3\u7684\u70ed\u91cf\u76f4\u63a5\u901a\u8fc7\u91d1\u5c5e\u51f8\u70b9\u5bfc\u7ed9\u70ed\u5bfc\u7cfb\u6570\u9ad8\u7684\u7845\u886c\u5e95\uff08\u4e3a1 4 5 W \/ m ·K \uff09\uff0c\u6563\u70ed\u6548\u679c\u66f4\u4f18\uff1b\u800c\u4e14\u5728p n\u7ed3\u4e0ep \u7535\u6781\u4e4b\u95f4\u589e\u52a0\u4e86\u4e00\u4e2a\u53cd\u5149\u5c42\uff0c\u53c8\u6d88\u9664\u4e86\u7535\u6781\u548c\u5f15\u7ebf\u7684\u6321\u5149\uff0c\u56e0\u6b64\u8fd9\u79cd\u7ed3\u6784\u5177\u6709\u7535\u3001\u5149\u3001\u70ed\u7b49\u65b9\u9762\u6700\u4f18\u7684\u7279\u6027\u3002\u672c\u6587\u4ec5\u5bf9\u84dd\u5b9d\u77f3GaN\u5012\u88c5\u82af\u7247\u7684\u886c\u5e95\u7c98\u63a5\u6750\u6599\u5bf9\u5927\u529f\u7387LED\u5668\u4ef6\u70ed\u7279\u6027\u7684\u5f71\u54cd\u8fdb\u884c\u5206\u6790\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u30002 \u57fa\u4e8eF l i p c h i p\u7684\u5927\u529f\u7387L E D\u70ed\u5206\u6790<\/strong><\/p>\n

\n\t\u3000\u3000\u6211\u4eec\u77e5\u9053\uff0c\u8868\u5f81\u7cfb\u7edf\u70ed\u6027\u80fd\u7684\u4e00\u4e2a\u4e3b\u8981\u53c2\u6570\u662f\u7cfb\u7edf\u7684\u70ed\u963b\u3002\u70ed\u963b\u7684\u5b9a\u4e49\u4e3a\uff1a\u5728\u70ed\u5e73\u8861\u7684\u6761\u4ef6\u4e0b\uff0c\u4e24\u89c4\u5b9a\u70b9\uff08\u6216\u533a\u57df\uff09\u6e29\u5ea6\u5dee\u4e0e\u4ea7\u751f\u8fd9\u4e24\u70b9\u6e29\u5ea6\u5dee\u7684\u70ed\u8017\u6563\u529f\u7387\u4e4b\u6bd4\u3002\u70ed\u963b\u7b26\u53f7\uff1aRθ\u6216 Rth\uff1b\u70ed\u963b\u5355\u4f4d\uff1aK\/W\u6216\u2103\/ W\u4e00\u822c\u5012\u88c5\u578b\u5927\u529f\u7387LED\u8868\u9762\u8d34\u88c5\u5230\u91d1\u5c5e\u7ebf\u8def\u677f\uff0c\u4e5f\u53ef\u4ee5\u518d\u5b89\u88c5\u5916\u90e8\u70ed\u6c89\uff0c\u589e\u52a0\u6563\u70ed\u6548\u679c\uff0c\u5176\u5185\u90e8\u7ed3\u6784\u4ee5\u53ca\u5916\u90e8\u5e94\u7528\u7ed3\u6784\u5982\u56fe3\u6240\u793a[2,3]\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000\u5927\u529f\u7387LED\u82af\u7247\u7535\u6781\u4e0a\u710a\u63a5\u7684\u6570\u4e2aBUMP\uff08\u91d1\u7403\uff09\u4e0eSi\u886c\u5e95\u4e0a\u5bf9\u5e94\u7684BUMP\u901a\u8fc7\u5171\u6676\u710a\u63a5\u5728\u4e00\u8d77\uff0cSi\u886c\u5e95\u901a\u8fc7\u7c98\u63a5\u6750\u6599\u4e0e\u5668\u4ef6\u5185\u90e8\u70ed\u6c89\u7c98\u63a5\u5728\u4e00\u8d77\u3002\u4e3a\u4e86\u6709\u8f83\u597d\u7684\u53d6\u5149\u6548\u679c\uff0c\u70ed\u6c89\u4e0a\u5236\u4f5c\u6709\u4e00\u4e2a\u805a\u5149\u676f\uff0c\u82af\u7247\u5b89\u653e\u5728\u676f\u7684\u4e2d\u592e\uff0c\u70ed\u6c89\u9009\u7528\u9ad8\u5bfc\u70ed\u7cfb\u6570\u7684\u91d1\u5c5e\u6750\u6599\u5982\u94dc\u6216\u94dd\u3002\u7a33\u6001\u65f6LED\u70ed\u963b\u7684\u7b49\u6548\u8fde\u63a5\u5982\u56fe4\u6240\u793a\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000\u6839\u636e\u70ed\u963b\u7684\u5b9a\u4e49\uff0c\u53ef\u4ee5\u5f97\u51fa<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000\u5f0f\u4e2d\uff0cTj<\/sub> \u3001Ta<\/sub> ————\u5206\u522b\u5bf9\u5e94LED \u5668\u4ef6pn \u7ed3\u548c\u5668\u4ef6\u5468\u56f4\u73af\u5883\u6e29\u5ea6\uff1b<\/p>\n

\n\t\u3000\u3000R Θ JA<\/sub> —— LED \u5668\u4ef6pn \u7ed3\u5230\u73af\u5883\u6e29\u5ea6\u4e4b\u95f4\u7684\u70ed\u963b\uff1b<\/p>\n

\n\t\u3000\u3000PD<\/sub> ——\u5668\u4ef6\u7684\u70ed\u8017\u6563\u529f\u7387\uff0c\u5728\u8fd9\u91cc\u7ea6\u7b49\u4e8e\u5668\u4ef6\u7684\u7535\u8f93\u5165\u529f\u7387\uff0c\u5373PD<\/sub> = VF<\/sub> × IF<\/sub>\u3002<\/p>\n

\n\t\u3000\u3000\u6839\u636e\u70ed\u963b\u7684\u8fd0\u7b97\u6027\u8d28\uff0c\u5f97\u51fa\u5982\u4e0b\u516c\u5f0f<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000\u5f0f\u4e2d\uff0cRΘJC<\/sub> ——\u5668\u4ef6\u7684\u5185\u90e8\u70ed\u963b\uff1b<\/p>\n

\n\t\u3000\u3000RΘCA<\/sub>——\u5668\u4ef6\u7684\u5916\u90e8\u70ed\u963b\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000\u5f0f\u4e2d\uff0cRΘDie<\/sub> —— \u5012\u88c5\u82af\u7247\u7684\u70ed\u963b\uff1b<\/p>\n

\n\t\u3000\u3000RΘAttach<\/sub> —— \u82af\u7247Si \u886c\u5e95\u7c98\u63a5\u710a\u6599\u70ed\u963b\uff1b<\/p>\n

\n\t\u3000\u3000RΘHC<\/sub> ——\u5668\u4ef6\u5185\u90e8\u70ed\u6c89\u7684\u70ed\u963b\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000\u5f0f\u4e2d\uff0cRΘCB<\/sub>——\u5668\u4ef6\u5185\u90e8\u70ed\u6c89\u4e0e\u91d1\u5c5e\u7ebf\u8def\u677f\u4e4b\u95f4\u7684\u63a5\u89e6\u70ed\u963b\uff1b<\/p>\n

\n\t\u3000\u3000RΘBoard<\/sub> ——\u91d1\u5c5e\u7ebf\u8def\u677f\u7684\u70ed\u963b\uff1b<\/p>\n

\n\t\u3000\u3000RΘBA<\/sub> ——\u91d1\u5c5e\u7ebf\u8def\u677f\u81f3\u73af\u5883\u6e29\u5ea6\u4e4b\u95f4\u7684\u70ed\u963b\u3002<\/p>\n

\n\t\u3000\u30003 \u886c\u5e95\u7c98\u63a5\u6750\u6599\u5bf9\u5927\u529f\u7387L E D\u70ed\u7279\u6027\u7684\u5f71\u54cd<\/strong><\/p>\n

\n\t\u3000\u3000L E D \u5012\u88c5\u82af\u7247\u88ab\u7c98\u5728\u7ba1\u5ea7\uff08\u5668\u4ef6\u5185\u90e8\u70ed\u6c89\uff09\u91cc\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e09\u79cd\u65b9\u5f0f\uff1a\u5bfc\u70ed\u80f6\u7c98\u8d34\u3001\u5bfc\u7535\u578b\u94f6\u6d46\u7c98\u8d34\u548c\u9521\u6d46\u7c98\u8d34\u3002\u5bfc\u70ed\u80f6\u7684\u786c\u5316\u6e29\u5ea6\u4e00\u822c\u4f4e\u4e8e150\u2103\uff0c\u751a\u81f3\u53ef\u4ee5\u5728\u5ba4\u6e29\u4e0b\u56fa\u5316\uff0c\u4f46\u5bfc\u70ed\u80f6\u7684\u70ed\u5bfc\u7387\u8f83\u5c0f\uff0c\u5bfc\u70ed\u7279\u6027\u8f83\u5dee\u3002\u5bfc\u7535\u578b\u94f6\u6d46\u7c98\u8d34\u7684\u786c\u5316\u6e29\u5ea6\u4e00\u822c\u4f4e\u4e8e200\u2103\uff0c\u65e2\u6709\u826f\u597d\u7684\u70ed\u5bfc\u7279\u6027\uff0c\u53c8\u6709\u8f83\u597d\u7684\u7c98\u8d34\u5f3a\u5ea6\u3002\u9521\u6d46\u7c98\u8d34\u7684\u70ed\u5bfc\u7279\u6027\u662f\u4e09\u79cd\u65b9\u5f0f\u4e2d\u6700\u4f18\u7684\uff0c\u4e00\u822c\u7528\u4e8e\u91d1\u5c5e\u4e4b\u95f4\u710a\u63a5\uff0c\u5bfc\u7535\u6027\u80fd\u4e5f\u975e\u5e38\u4f18\u8d8a\u3002<\/p>\n

\n\t\u3000\u3000\u5728\u5927\u529f\u7387LED \u5668\u4ef6\u7684\u5c01\u88c5\u4e2d\uff0c\u751f\u4ea7\u5382\u5bb6\u5bb9\u6613\u5ffd\u7565\u886c\u5e95\u7c98\u63a5\u6750\u6599\u5bf9\u5668\u4ef6\u70ed\u5bfc\u7279\u6027\u7684\u5f71\u54cd\u3002\u5176\u5b9e\u886c\u5e95\u7c98\u63a5\u6750\u6599\u5728\u5f71\u54cd\u5668\u4ef6\u70ed\u5bfc\u7279\u6027\u56e0\u7d20\u4e2d\u662f\u4e00\u4e2a\u6bd4\u8f83\u91cd\u8981\u7684\u56e0\u7d20\uff0c\u5982\u679c\u5904\u7406\u4e0d\u597d\uff0c\u5c06\u4f7f\u5f97LED \u7684\u70ed\u963b\u8fc7\u5927\uff0c\u5bfc\u81f4\u5728\u989d\u5b9a\u5de5\u4f5c\u6761\u4ef6\u4e0b\u5668\u4ef6\u7684\u7ed3\u6e29\u8fc7\u9ad8\uff0c\u5bfc\u81f4\u5668\u4ef6\u7684\u51fa\u5149\u6548\u7387\u4e0b\u964d\u3001\u53ef\u9760\u6027\u964d\u4f4e\u3002\u8bbe\u5012\u88c5\u82af\u7247\u886c\u5e95\u7684\u6a2a\u622a\u9762\u79ef\u4e3aA \uff08m 2 \uff09\uff0c\u7c98\u63a5\u6750\u6599\u7684\u70ed\u5bfc\u7cfb\u6570\u4e3aλ\uff08W \/ m ·K \uff09\uff0c\u7c98\u63a5\u6750\u6599\u7684\u9ad8\u5ea6\u4e3ah \uff08 m \uff09\uff0c\u5219\u7c98\u63a5\u6750\u6599\u7684\u70ed\u963b\u4e3a<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000\u4e0b\u9762\u6211\u4eec\u4ee5\u53f0\u6e7e\u56fd\u8054\u5149\u7535\u516c\u53f8\u7684Flipchip\u4e3a\u4f8b\u8fdb\u884c\u5206\u6790\u3002\u56fd\u8054\u7684\u82af\u7247submount\uff08\u886c\u5e95\uff09\u662f\u8fb9\u957f\u4e3a55mil \u7684\u6b63\u65b9\u5f62\uff0c\u5373A \u4e3a1.96 ×10-6m2\u3002\u6211\u4eec\u6765\u5206\u6790\u70ed\u5bfc\u7cfb\u6570\u4e3aλ\u5bf9\u7c98\u8d34\u6750\u6599\u70ed\u963b\u7684\u5f71\u54cd\u3002<\/p>\n

\n\t\u3000\u3000\u5f53h= 2 0 μ m \u65f6\uff0c\u5219<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000\u5f53h= 4 0 μ m \u65f6\uff0c\u5219<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000\u5f53h=100 μ m \u65f6\uff0c\u5219<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u3000\u8fd9\u4e09\u79cd\u60c5\u51b5\u7684\u70ed\u963b\u4e0e\u70ed\u5bfc\u7cfb\u6570\u7684\u5173\u7cfb\u66f2\u7ebf\u5982\u56fe5\u6240\u793a\u3002\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u5f53\u9009\u7528\u94c5\u9521\u710a\u659963Sn\/37Pb<\/sub> \uff0cλ =39W\/m ·K \uff0c\u540c\u65f6\u5176\u539a\u5ea6\u7b49\u4e8e20 μ m\u65f6\uff0cR θ Attach<\/sub> \u7b49\u4e8e0.026\uff08K \/ W\uff09\uff0c\u5373\u4f7f\u5176\u539a\u5ea6\u4e3a100 μ m\uff0cR Θ Attach<\/sub> \u4e5f\u53ea\u7b49\u4e8e0.131\uff08K\/W\uff09\uff1b\u5f53\u9009\u7528\u70ed\u6c89\u7c98\u63a5\u80f6Ablefilm 5020K\uff0cλ =0.7W\/m·K\uff0c\u540c\u65f6\u5176\u539a\u5ea6\u7b49\u4e8e20 μ m \u65f6\uff0cR ΘAttach<\/sub> \u7b49\u4e8e1.457\uff08K\/W\uff09\uff0c\u5f53\u5176\u539a\u5ea6\u4e3a100 μ m \u65f6\uff0cR Θ Attach<\/sub> \u7b49\u4e8e7.286\uff08K \/ W \uff09\uff1b \u5f53\u6211\u4eec\u9009\u7528\u5bfc\u7535\u578b\u82af\u7247\u7c98\u63a5\u80f6Ablebond 84-1LMISR4\uff0cλ =2.5W\/m·K\uff0c\u540c\u65f6\u5176\u539a\u5ea6\u7b49\u4e8e20 μ m \u65f6\uff0cR ΘAttach<\/sub> \u7b49\u4e8e0.408\uff08K\/W\uff09\uff0c\u5f53\u5176\u539a\u5ea6\u4e3a100 μ m \u65f6\uff0cR Θ Attach<\/sub> \u7b49\u4e8e2.041\uff08K\/W \uff09\u3002\u56e0\u6b64\uff0c\u9009\u7528\u4e0d\u540c\u7684\u7c98\u63a5\u6750\u6599\u5bf9\u5176\u70ed\u963b\u5b58\u5728\u5f88\u5927\u7684\u5f71\u54cd\uff0c\u540c\u65f6\uff0c\u5728\u5370\u5237\u6216\u6d82\u6577\u82af\u7247\u7c98\u63a5\u6750\u6599\u65f6\uff0c\u5982\u4f55\u964d\u4f4e\u6750\u6599\u539a\u5ea6\u4e5f\u5341\u5206\u91cd\u8981\u3002<\/p>\n

\n\t<\/p>\n

\n\t\u3000\u30004 \u7ed3\u8bed<\/strong><\/p>\n

\n\t\u3000\u3000LED \u82af\u7247\u7ed3\u6e29\u6700\u9ad8\u5141\u8bb8125\u2103\uff0c\u5982\u679c\u5176\u6700\u5dee\u5de5\u4f5c\u73af\u5883\u6e29\u5ea6\u4e3a65\u2103\uff0c\u5219\u5bf9\u4e00\u4e2a1W \u7684\u5927\u529f\u7387LED\u6765\u8bf4\uff0c\u8003\u8651\u5230\u4ece\u5927\u529f\u7387\u5668\u4ef6\u5916\u90e8\u70ed\u6c89\u7684\u70ed\u963b\u4e00\u822c\u4e3a40\uff08K \/ W\uff09\uff0c\u5668\u4ef6p n \u7ed3\u81f3\u5668\u4ef6\u7684\u70ed\u963b\u5e94\u5c0f\u4e8e2 0 \uff08K \/W \uff09\u3002\u800c\u5bf9\u4e00\u4e2a5 W \u7684\u5927\u529f\u7387L E D \u6765\u8bf4\uff0c\u5982\u679c\u5176\u6700\u5dee\u5de5\u4f5c\u73af\u5883\u6e29\u5ea6\u4e3a65\u2103\uff0c\u5219\u4ecepn \u7ed3\u81f3\u73af\u5883\u7684\u70ed\u963b\u8981\u5c0f\u4e8e12 K\/W\u624d\u80fd\u4fdd\u8bc1\u82af\u7247\u7ed3\u6e29\u4e0d\u8d85\u8fc7125\u2103\uff0c\u800c\u5982\u679c\u9009\u7528Ablefilm 5020K\u70ed\u6c89\u7c98\u63a5\u80f6\uff0cλ=0.7W\/m·K \u540c\u65f6\u5176\u539a\u5ea6\u4e3a100 μ m \uff0c\u4ec5\u82af\u7247\u7c98\u8d34\u6750\u6599\u7684\u70ed\u963bRΘ A t t a c h<\/sub>\u5c31\u7b49\u4e8e7 . 2 8 6 \uff08K \/ W \uff09\u3002\u56e0\u6b64\uff0c\u5728Flipchip \u5927\u529f\u7387LED\u5668\u4ef6\u7684\u5c01\u88c5\u4e2d\uff0c\u9009\u7528\u5408\u9002\u7684\u82af\u7247\u886c\u5e95\u7c98\u8d34\u6750\u6599\u5e76\u5728\u6279\u91cf\u751f\u4ea7\u5de5\u827a\u4e2d\u4fdd\u8bc1\u7c98\u8d34\u539a\u5ea6\u5c3d\u91cf\u5c0f\uff0c\u5bf9\u4fdd\u8bc1\u5668\u4ef6\u7684\u53ef\u9760\u6027\u548c\u51fa\u5149\u7279\u6027\u662f\u5341\u5206\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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