led灯管如何组装（How can the LED tube be assembled）.docVIP

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led灯管如何组装（How can the LED tube be assembled）.doc

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led灯管如何组装（How can the LED tube be assembled）

led灯管如何组装（How can the LED tube be assembled） Dongguan wolforest Semiconductor Lighting Co. Ltd. How to assemble the LED lamp Tools / materials Lamp beads Circuit board Power Supply Shell A housing Steps / methods ? A lamp, paper (small power lamp) 1, the basic parameters (such as SMD3528): A, the power supply voltage: 3.0-3.4V Size: 3.5mm*2.8mm, B C, life: 50000 hours (light reached 30%, as the life standard) D, light emitting angle: 120 degrees E, the mainstream 7-8 lumens brightness: (LM) (2011) F, rated working current: 20MA (MA) Rated power: 0.065W, G H, color index: RA70 2, the structure of lamp: The main devices: bracket, chip, glue, fluorescent powder, wire. A, a well-known brand in Taiwan market support: I-Chiun, Jiale electronics, Huayi micro power. Known as the Cup, the main frame is used for containing a LED chip. B, chip chip is the core device: also known as beads in chip, is used to light. The market common chip, USA: CREE (Ke Rui), Bridgelux (Pu Rui); Japan: Nichia (Nichia), TOYOTA OSRAM Osram synthesis; Germany; Taiwan: Jingyuan, Qili (a subsidiary of Chi Mei Group), Jia, Taigu, epileds, new century, Everlight, Bai Hong, China, optitek; Xiamen, Shanghai: three blue, Dalian Road, Silan azure beauty......... . (Taiwan, now the main chip) Unit size: mil chip. Chip color: depends on the wavelength of visible light is about common classification: dark red (700nm), deep red (640-660nm), red (615-635nm), yellow (580-595nm), yellow green (565-575nm), green (500-540nm), blue (450-480nm), purple (380-430nm) White light is a mixture of light, a blue + yellow phosphor excited by white light. C, glue: silicone resin: this glue encapsulated beads has the advantages of good heat dissipation, low defect is smaller, wire connection chip is easily broken, the price is relatively higher; epoxy resin glue package: this lamp has the advantages of low cost, disadvantage is the poor thermal performance, and easy to decay more beads yellowing. The market is well-known brand