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普瑞未來(lái)兩年將生產(chǎn)硅襯底LED芯片 成本有望下降20%至30%

關(guān)鍵詞 LED , 碳化硅|2011-08-11 09:56:06|來(lái)源 國(guó)際新能源網(wǎng)
摘要 普瑞近日宣布,其新制造工藝的性能指標(biāo)獲得提升,預(yù)計(jì)將在未來(lái)兩年制造基于硅襯底的LED芯片,普瑞希望此舉可以降低大約20%至30%LED照明成本。目前,LED的成本仍然居高不下,嚴(yán)重...

  普瑞近日宣布,其新制造工藝的性能指標(biāo)獲得提升,預(yù)計(jì)將在未來(lái)兩年制造基于硅襯底的LED芯片,普瑞希望此舉可以降低大約20%至30%LED照明成本。
  目前,LED的成本仍然居高不下,嚴(yán)重阻礙了LED照明在通用照明領(lǐng)域的普及。
  當(dāng)前,大多生產(chǎn)的LED芯片仍以藍(lán)寶石或碳化硅襯底為主。為了降低LED芯片的生產(chǎn)成本,多年來(lái)研究人員一直在努力完善基于硅襯底的LED制造工藝,但仍存在硅襯底開(kāi)裂或扭曲的問(wèn)題。普瑞宣稱(chēng),其先進(jìn)的LED生產(chǎn)工藝可以在硅襯底上生產(chǎn)出同等性能的氮化鎵LED。
  對(duì)于冷光源,其樣品可以實(shí)現(xiàn)160流明/瓦,而暖黃色光源則可以達(dá)到125流明/瓦。真正面向用戶(hù)推出的暖色LED燈泡其效率有望達(dá)到85流明/每瓦,比目前的商用LED照明產(chǎn)品效率更高。上周飛利浦90流明/每瓦的LED燈泡獲得了美國(guó)能源部的L Prize競(jìng)賽大獎(jiǎng),預(yù)計(jì)該款LED燈泡將在明年上市。
  普瑞公司戰(zhàn)略和發(fā)展副總裁Bullington表示,將力爭(zhēng)在未來(lái)24個(gè)月推出基于硅襯底的LED芯片,這是一個(gè)非常切合實(shí)際的目標(biāo)。其中最大障礙是如何制造那些芯片。
  普瑞公司已經(jīng)大大提高了硅襯底LED芯片的流明/瓦,光色和顯色指數(shù)等性能,而這些性能的高低直接決定了LED芯片質(zhì)量的好壞。在今年三月,普瑞公司宣布其硅襯底氮化鎵LED發(fā)展戰(zhàn)略時(shí),就已經(jīng)取得135流明/瓦的白光。
  
  
  
  
  
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