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People's increasing demand for mobile phones has promoted the perfection of mobile phone functions. Taking mobile phone cameras as an example, from the initial 300,000 pixels to the current 40 million pixels, it is almost comparable to a high-quality digital camera. In the low-light or even no-light lighting conditions, in order to ensure the high quality of its works, the flash is indispensable. There are two main types of flash currently on the market, LED flash and Xenon flash. Xenon flash lamps are mostly used in film cameras and digital cameras. Its main advantages are that the emitted light is close to sunlight, the color temperature is natural, and the image quality is high. However, it has a complicated structure, a large volume, and requires a certain storage time, and cannot be continuously shot even if it is not continuously shot. Therefore, most camera-enabled phones choose a white LED as the flash.
With the iPhone's global upsurge, Flash LEDs are already standard on modern smartphones. According to statistics, global mobile phone shipments in 2014 were approximately 1.3 billion units and are expected to increase to 1.5 billion units in 2015. Based on 1 to 2 Flash LEDs per smartphone, the annual output value of Flash LED in 2014 is about 786 million US dollars.
At present, the market structure is basically dominated by four major manufacturers such as Philips Lumileds, Osram, Yiguang Electronics and Samsung. The two markets are divided into two camps: Osram, Cree, Samsung, and Philips Lumileds with flip-chip structure. Nichia Chemical, with the rapid growth of the mobile phone market, Taiwan's Jingdian, New Century, and Lite-On have also rushed into the LED flash supply chain.
In the past two years, domestic packaging manufacturers Hongli Optoelectronics, Jingke Electronics, Jingrui Optoelectronics and other companies have also launched LED flash series products, including "no package" technology or silicon substrate technology cutting into innovative products, with a view to this emerging The market has a share of it. According to the product director of Jingke Electronics (Guangzhou) Co., Ltd., “The past flash market is dominated by foreign brands, because the application terminals are guided by foreign brands, that is, they enter this market earlier. To enter the flash market, products must Achieve high performance requirements and long-term stability and reliability."
At the same time, the cake in the Flash LED market is huge, but the mobile phone market has become saturated. Taking China as an example, the Ministry of Industry and Information Technology showed that mobile phone shipments in 2014 decreased by 21.9% compared with 579 million units in 2013. As a latecomer, domestic packaging manufacturers want to put Flash LED into the mobile phone supply chain, which faces difficulties in breakthroughs in technical bottlenecks and high market barriers. So how do you seize your own territory in the Flash LED market?
First of all, the technology of LED flash requires high performance, high stability, and at the same time to consider the matching with optical lenses, which puts a lot of requirements for development. Wang Gaoyang, director of Hongli Optoelectronics, believes that "the difference between LED flashlights from domestic manufacturers and major international manufacturers such as Philips is mainly reflected in the luminous flux and light spots, as well as the room for improvement."
Secondly, from the perspective of cost, the technology of Philips and other manufacturers is mature and has a certain capacity, and the cost of the newly introduced LED flash products in China is difficult to compete with these mature products on the market.
Moreover, from the patent point of view, compared with lighting devices, LED flash is a high-margin product, international manufacturers have very strict protection for this market segment, domestic LED packaging plants face layered patent barriers.
Finally, mobile phone manufacturers, especially foreign manufacturers, have high loyalty to partners. Once selected, they will not easily replace suppliers that have been matched with stable accessories. Domestic LED manufacturers started later, and they need to continuously increase R&D investment in terms of long-term reliability, product consistency and yield. The brand influence is not enough. District Wei can emphasize that domestic LED companies must maintain high investment in research and development to match the continuous development requirements of customers, and at the same time have psychological preparation for long-term operations.
In this regard, Wei Chenyu, general manager of Jingneng Optoelectronics Consumer Electronics Division, said, “I think the biggest problem in the promotion of domestic flash products is that customers lack confidence in domestic LED brands. Now it is very necessary to have one or two domestic companies to set benchmarks. Have the ability and strength to challenge international manufacturers."
All in all, domestic companies should fully understand the current state of the industry before they get involved, and do what they want. Applying a very hot word in 2014 is that "it is easy to get involved, making money is not easy, and you can cherish it." 
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LED flash: easy to make money, easy to get involved
[Text|High-tech LED reporter Wen Zhao] Recently, data released by China Information and Communication Research Institute of the Ministry of Industry and Information Technology showed that in 2014, the cumulative shipment volume of China's mobile phone market was 452 million, of which 389 million smartphones were shipped. .