德国欧å¸æœ— 光电 åŠå¯¼ä½“ (OSRAM Opto Semi conductors GmbH)å¼€å‘出了新型LED 结构「UX:3ã€ã€‚该结构ä¸ä»…能够大幅æ高è“å…‰LED ç‰GaNç±»LED的外部é‡å效率,而且还å¯å¤§å¹…抑制LED在通过大电æµæ—¶å‘光效 率下é™çš„公认课题。通过å‡å°‘ä¸ä¼´éšå‘光的éžæ”¾å°„å†ç»“åˆâ€”—「俄æ‡å¤åˆã€ï¼Œå¯æŠ‘制å‘光效率的下é™ã€‚
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  欧å¸æœ—介ç»ï¼ŒUX:3在LED芯片 内部嵌入n型接触电æžï¼Œé€šè¿‡è´¯é€šå”与nåž‹GaNç±»åŠå¯¼ä½“层进行电连接。å¯é™ä½Žç”µæµå¯†åº¦çš„效果,从而å‡å°‘了俄æ‡å¤åˆã€‚å¹¶è¿˜åŠ åŽšäº†ä½œä¸ºå‘光部分的活性层,é™ä½Žäº†è½½æµå密度。
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  采用UX:3çš„è“å…‰LED芯片,其光输出功率 在芯片为1mmè§æ–¹çš„情况下投入350mA电æµæ—¶æ¯”ThinGaN大约高10%。投入电æµè¶Šå¤šï¼ŒUX:3å’ŒThinGaNçš„å·®è·å°±è¶Šå¤§ã€‚使用这ç§è“å…‰LED芯片的白光LED ,其å‘光效率å¯è¾¾åˆ°136lm/W。
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  UX:3将作为ThinGaN的进化版,从投入大电æµçš„高端è“å…‰LEDã€ç™½å…‰LEDåŠç»¿å…‰LED开始采用。首先将推出手机摄åƒå¤´é—ªå…‰ç¯ä½¿ç”¨çš„产å“,并于2010年内å‘佈é¢å‘普通照明用途的产å“。
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  目å‰æ‰“算在1mmè§æ–¹çš„大尺寸芯片上采用UX:3,ä¸è¿‡åœ¨æŠ€æœ¯æˆç†ŸåŽï¼Œè¿˜æœ‰å¯èƒ½åœ¨æ ‡å‡†å°ºå¯¸çš„芯片上使用UX:3。
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