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To avert disputes over chip intellectual property

The company directly mounts packaged devices on an aluminum substrate can help reduce thermal resistance. Tsao notes the technology brings total junction temperature on their LED module to under 80 degrees centigrade.To avert disputes over chip intellectual property, the company builds Epistar Inc.’s chips into emitters for domestic sales and led high bay light chips into products for exports. Tsao says that his company’s R&D team brings together considerable talent in thermal-dissipation and optoelectronics. They can provide lighting manufacturers with tailor-made solutions. Besides, they have developed emitters in cooperation with end-product manufacturers and retailers. Major applications for the company’s emitters include MR16, sunken lamps, down lights, wash wall lamps, and streetlights.

Tsao points out that high cost remains the major hurdle keeping LED from becoming a mainstream illumination source today. Comparing a 13W LED lamp with a compact fluorescent lamp in same power specification, Liu notes the LED lamp is priced eight times above the fluorescent lamp. However, he estimates Taiwan LED-lighting manufacturers can pare that multiple to just three- to five-fold in two years by trimming production costs.

NeoBulb Light Engine, a high-power LED lighting module comprising an emitter and a thermal module, has made a splash since it was debuted in 2005. The attention owes largely to its system-in-a-packaging technology and heat-pipe thermal module. According to the company’s president and led high bay light executive officer, Jeffery Chen, the whole module’s junction temperature is less than 60 degrees centigrade and ambient temperature maintains at about 25 degrees.The company has registered over 50 patents for its outstanding packaging and thermal technologies.

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