Taiwan's light-emitting diode (LED) lighting factory will launch 330-degree ultra-wide-angle bulbs in the middle of the year. The research and development results of the 330-degree large-angled all-plastic LED bulbs published by the Industrial Research Institute have been discussed with the domestic LED lighting industry. The fastest products will be available in the middle of the year, with Toshiba and Philips ( Philips) and other big companies are different.
Zhu Mudao, head of the Optoelectronics and Systems Application Group of the Institute of Electro-optics, Institute of Industrial Technology, said that international lighting companies such as Toshiba, OSRAM and Philips are competing to deploy wide-angle LED bulbs, including 300 degrees from Toshiba and Philips. LED bulbs have been successfully commercialized, but because of the large size of LEDs of more than 1 watt, heavy metal heat sink materials must be used to solve the heat dissipation problem, resulting in heavy and expensive LED bulbs.
In contrast, the 330-degree LED bulb used by the Institute of Technology is selected from 14 mils × 14 mils, 0.1 watts and LED small crystals with output power of 60-100 milliwatts (mW). The particles are matched with a plastic heat sink to help reduce weight, manufacturing costs and extend service life.
Zhu Mudao pointed out that LED bulb manufacturers at home and abroad to achieve the luminous flux of traditional incandescent bulbs, using more than 1 watt of large LED dies, will lead to heat dissipation problems, resulting in reduced luminous efficiency, and LED is directional Light sources make it more difficult to achieve wide angles like traditional incandescent bulbs.
In view of this, the Institute of Electro-Optical Engineering has developed a patented heat-dissipating plastic soft board that is self-developed on the surface of a plastic bulb, and is covered with a plurality of small LED chips on the flexible board. The large area achieves the purpose of heat dissipation, thereby achieving a wide-angle illumination effect such as a conventional incandescent light bulb.
In addition, unlike the polycarbonate (Polycarbonate) material used in traditional LED plastic bulbs, the Institute's patented plastic bulbs are made of specially developed plastic materials, so they can eliminate the cracks of traditional plastic bulbs. Disadvantages.
Zhu Mudao pointed out that the annual demand for bulb lamps is as high as 100 million, which has become a place for the LED lighting industry. With the domestic LED epitaxial and die factory mature LED small grain mass production technology, and the Institute of Industrial Engineering The 330-degree LED bulb technology, Taiwan lighting system manufacturers will be able to smoothly card LED bulb business opportunities.
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