From the current point of view, OLED applications are mainly based on display screens and specific areas. However, the actual light efficiency, price, and production capacity of OLEDs in lighting applications are rapidly changing. The development of China's lighting industry is still lagging behind Europe, America, Japan and South Korea, and the government needs to support this future industry. Under the current situation of China's supply-side reform, OLED new light source This year, visiting the Frankfurt Lighting Fair, OLED lighting products display in Halls 4.0 and 4.1, the application of this increasingly mature light source technology in the field of lighting has been pushed to the forefront. In particular, OLED's unique feminine lightness and futuristic light make the lighting designers present excited and fond of. From the current point of view, OLED applications are mainly based on display screens and specific areas. However, the actual light efficiency, price, and production capacity of OLEDs in lighting applications are rapidly changing. The development of China's lighting industry is still lagging behind Europe, America, Japan and South Korea, and the government needs to support this future industry. Under the current situation of China's supply-side reform, the positive development of OLED new light source is a very important part. OLED lighting efficacy and productivity OLED's luminous efficiency is mainly based on its direction of use, in general, the color series of OLED panels can only achieve about 5lm / W; white light is about 30-40lm / W, partially efficient Companies such as Sumitomo Chemical can reach 60 lm / W. Of course, the light effect of OLED development is very rapid, especially in the United States can reach 150lm / W, OLED's light efficiency to catch up with LED is just around the corner. In addition, OLEDs need a flood light source, which is more advantageous than LED light sources. In the future, the demand for large-area floodlights is bound to be the largest market for OLEDs. For example: office lighting, advertising and display lighting. At present, the application of OLED in lighting is not common, mainly based on display. According to rough statistics, the current global OLED production distribution is that Samsung accounts for 60%, Japan accounts for 10%, Taiwan accounts for 10%, and Korean LG currently accounts for 6%. However, Japanese manufacturers have recently expanded their production in the OLED field. It is expected that the production capacity will increase significantly in the future. Domestically, it is mainly based on BOE, and some display companies are developing OLEDs, but the development of OLEDs for lighting is relatively slow in China. In terms of area, although the current global OLED production capacity is about 1 million square meters, it will grow in multiples in the foreseeable future. It is estimated that the global production capacity will reach 7 million square meters in 2018. The price and sales of OLED products are classified into hard and soft in terms of lighting. Most of the softness is 10*10 cm or 12*12 cm. With such standards, the price will reach this year. 10% of the current price (based on Sumitomo Chemical's on-site information), that is, the price of small-size OLEDs is about to reach a stable and unacceptable level. OLED products were probably the benchmark of $100 per square foot two years ago. At this stage, LG has lowered the price to 20-30 US dollars per square foot. The price of manufacturers in Japan, Philips, Taiwan is still 60-70 US dollars per square foot, but Sumitomo Chemical said that the price per square foot will be reduced to about $10 in the future. The current sales are mainly based on conceptual displays, such as the OLED car light application at the Frankfurt show, as well as related tentative lighting products such as wall lamps, table lamps and other office lighting products, but there is still a distance from the actual application. Therefore, the current sales share of OLED lighting applications is very small, and OLEDs in Europe, the United States, and Japan are high-end products. However, Sumitomo Chemical believes that the price will drop to 10% within the next nine months, and lighting applications will be quite common. Although the application of OLED lighting has not been seen in the market for the time being, in the foreseeable future, there will be a large number of OLEDs appearing in 2017 and 2018. In terms of cost reduction, OLED faces technical obstacles. Mainly the specification setting and the increase of production capacity. The problem of increased production capacity is relatively easy to solve. Looking at the development of domestic OLEDs, the main bottleneck is that the core patents and technologies have failed to keep up with the international level, that is, they have failed to reach the international level in power and practical applications. However, Taiwan's AUO, mainland China's BOE, Tianma and other companies are actively developing their own OLED technology, showing that there will be a certain breakthrough in cost and technology in the next year. Therefore, the government's active investment and support are necessary conditions for the domestic development of the OLED industry. The price of OLED will reach the same level as LED in recent years. In the next two years, it will have different advantages with LED in different fields. When the price of OLED reaches US$10 per square foot, it will be more than other light sources such as LCD and LED. These applications have relative advantages. The emergence of OLED lighting products is regarded as the fourth lighting revolution. The countries of the world have been competing for development. The European and American manufacturers have strong technology, the strong support of the government in Korea, and the strong alliance of Japanese companies are extremely competitive. The author believes that the OLED industry is like the LED industry, and it must be fully supported and supported by the government to form a complete industrial chain, because OLED is also a capital-intensive and technology-intensive industry. Specific to the OLED lighting industry, must be combined with each other, if we can develop a fixed-size product, in the practical application of lighting designers, understand the material from the design level, and think about how to apply OLED to lighting devices to achieve more complete Applications. In addition to LED, OLED is also a very important part of smart home. It will be a lighting industry that is fully applied in smart homes. Individuals are very optimistic about the development of OLED. In particular, when the price and production of OLEDs are stable, interior designers will be very willing to apply such materials to design projects because they are thin, short, and capable of achieving special results that meet the designer's requirements. .
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