Flexible filament, a new generation of safe LED lighting source

As a new generation of safe LED lighting source, the flexible filament can achieve 360-degree full-circumference, very close to the traditional tungsten light distribution, and stand out in the market of new and old exchanges and scientific research. In addition, with the rapid development of the economy and society, the feelings have become more and more important. The retro-style flexible filament lamp has become the protagonist of commercial scene lighting and ambient lighting, and has been eagerly pursued by consumers.
   With the implementation of the global “ban”, the classic incandescent bulbs and their filaments are gradually becoming smaller. Due to technological advances, regulatory requirements, and so on, LED lights are gradually sweeping the world of lighting in residential, commercial, and industrial environments. Despite this, there are still many people eager to retain the luminous effect of this filament bulb. The reasons are different: for some people, this symbolizes a nostalgia of their young age; for others, this is a popular retro style; others believe that this luminescence is almost original Reminiscent of the fire element. Therefore, the filament lamp that has a similar appearance to the incandescent lamp is popular. Due to the advantages of traditional incandescent lamps, full-angle illumination, high color rendering, and high luminous efficiency, filament lamps have received wide attention in the industry in recent years, or will become the largest LED lighting products. According to data from the Institute of Advanced Industrial Research (GGII), the sales volume of LED filament lamps in China will be nearly 400 million in 2017, with sales reaching 4.54 billion yuan. It is expected that China’s LED filaments will be 2018. The sales volume of lamps will reach 700 million and the sales will exceed 6.5 billion yuan. GGII expects that the global LED filament lamp market will continue to grow rapidly by 2020.

   Although the filament lamp may become the LED lighting product with the largest speed increase, it is mainly based on decorative applications, and the application scene is limited, and it is popularized to general lighting. The price/performance ratio must be raised to the same level as the patch bulb. Therefore, LED companies want to seize more market share in the field of LED filament lamps, and need to continue to upgrade products and make features. As a new generation of safe LED lighting source, the flexible filament can achieve 360-degree full-circumference, very close to the traditional tungsten light distribution, and stand out in the market of new and old exchanges and scientific research. In addition, with the rapid development of the economy and society, the feelings have become more and more important. The retro-style flexible filament lamp has become the protagonist of commercial scene lighting and ambient lighting, and has been eagerly pursued by consumers.

   As we all know, the traditional LED filaments have a fever after a dozen hours of continuous operation, and the current technology does not solve the technical problem of rapid heat dissipation. The emergence of flexible LED filaments has changed this situation. The substrate material of the flexible filament is made of a highly flexible polymer material, and the production process of the flip-chip LED lamp bead has high requirements on the heat resistance, light transmittance and deformation resistance of the substrate. As a company that laid out flexible LED filaments earlier, combined with the current demand for filament products in the lighting market, this year successfully developed a new product flexible filament and brought it to market. It is understood that the new flexible filament of Smect is made of copper foil-coated polymer film (FPC, BT, PE, etc.) as the base material. It is soft and plastic, and can be freely shaped. In addition, compared to the traditional hard filament, the flexible filament uses flip chip technology, which reduces the traditional wire bonding process, improves product reliability, and saves process costs.

   Although the flexible LED filament has achieved many breakthroughs, the overall market volume has not risen. For the reason that the flexible LED filament does not really start, Zhaochi Energy Saving Huangbo believes that “for the moment, the flexible LED filament technology itself does not have any problems. The main problem is that the price is expensive and the overall cost performance is not high. In fact, the price of flexible LED filaments has dropped by more than 30% compared to last year, but it is still more than twice that of the same type of porcelain filament lamps. According to Zhang Luhua, general manager of Smide, “the high cost of flexible filaments is mainly reflected in two aspects. On the one hand, the cost of the core column and the hand string is high; on the other hand, the cost of the flexible filament is high. Next, the Smect will Cost optimization of the flexible filament, through the flexible filament self-setting and the use of smaller size flip chip to reduce costs, the subsequent price will have the opportunity to fall to within 2 times the same type of porcelain filament lamp.” Out of The flexible filament market is optimistic, and Smax will continue to strengthen its layout. It is reported that the monthly production capacity of Smex flexible filament has reached 2 million, and it is planned to reach 3.5 million next year. At the same time, Smect will increase the layout of flexible filaments in the lighting and decoration market. In addition to Smect’s optimistic view of the flexible LED filament market, Zhaochi Energy also expressed its expectation for the flexible LED filament market and made a corresponding strategic layout. In fact, Zhaochi Energy has been in the field of filament lamps for a long time. Since 2017, it has been continuously exerting force. As of September this year, the filament lamp business has initially reached 100 production lines, achieving a leap in less than one year. Sexual progress.

   All the time, the specifications and research and development direction of Zhaochi energy-saving filament products have always been market-oriented, keeping pace with the international manufacturers of filament lamps, realizing the “gold” of raw materials, solutions and products. combination”. At present, Zhaochi energy-saving filament products are mainly based on three series of economical, standard and high-standard models, covering the full range of customer prices and program requirements. According to Huang Bo, “Because mega energy-saving lighting has a lot of flip-chip and filament products, and has already achieved mass production. We use the experience and equipment in flip-chip applications to develop and produce flexible LED filaments, which are expected to be before February 2019. Some products are officially introduced to the market. In terms of the market, the current filament lamp is still based on low power, which is also an important reason for the use of filament lamps as lighting sources. However, with the continuous breakthrough of filament lamp technology, automated scale production continues to reduce overall cost, flexible LEDThe filament will also usher in a large-scale use.
(provided by Shenyang Building Materials Network) <


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