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bulb types The code number of a bulb consists of a letter or letters followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. The mosts commonly used household bulb is the A-19. The bulb is “A” type and the diameter would be 23?8". A 65BR40 is a 65 watt reflector 5" in diameter. Base Types base types
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LED燈泡 百科名片 LED 燈泡 英文單詞的縮寫,主要含義: LED = Light Emitting Diode ,發(fā)光二極管,是一種能夠?qū)㈦娔?轉(zhuǎn)化為可見光的固態(tài)的半導(dǎo)體器件,它可以直接把電轉(zhuǎn)化為光; LED = Large Electronic Display ,大型電子展示; LED = Lupus erythematosus disseminatus ,播散性紅斑狼瘡,一 種慢性、特發(fā)性自身免疫病; led 是 lead 的過去式和過去分詞,意為 “領(lǐng)導(dǎo),帶領(lǐng) ”;俄羅斯 Pulkovo 機(jī)場的 IATA 代碼。 目錄 [隱藏 ] 什么是發(fā)光二極管( LED)燈泡? 發(fā)光二極管的起源 LED 發(fā)展歷程 如何選購 LED 燈具 LED 燈泡有什么優(yōu)點(diǎn) LED 燈帶的維修 工藝球泡 [編輯本段 ] 什么是發(fā)光二極管( LED)燈泡? 提起 照明 ,人們馬上會想到燈具店中 那些五