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On January 31, China Construction Materials Network published a light-emitting diode (LED) bulb with a 330-degree illumination angle, which is only half the weight of a typical LED bulb. ITRI ​​is optimistic about this LED bulb, which is expected to enhance the competitiveness of the domestic LED industry. With the elimination trend of incandescent light bulbs, ITRI is optimistic about the growth potential of the LED bulb market. It is expected that the size of the Japanese LED bulb market will exceed the power-saving bulbs this year. Only LED is a point source, suitable for direct illumination, it is difficult to achieve the traditional angle of large-angle lighting of incandescent lamps; improve the LED lighting angle for the efforts of international manufacturers such as Philips. ITRI ​​said that the newly released LED bulbs, with the development and innovation of LED backlights, develop soft polycrystalline light source modules with small crystal grains, with a 330-degree large illumination angle, breaking through the limitations of traditional LED lighting. Due to the plastic body, not only is it not afraid to fall, the design flexibility is higher, and the manufacturing cost is lower. The Institute of Engineering pointed out that the weight is less than 100 grams, which is half of the general LED bulb, and is expected to enhance the competitiveness of the domestic LED industry.