With the rapid development of the global information industry in recent years, display screens have become an indispensable part of the information industry. With the rapid development of material technology, display technology has also developed from the original CRT to FPD, and later Extend the plasma display PDP, LCD, and OLED. OLED is an organic electroluminescence device with a multilayer structure, which can be used in display and lighting fields. It is the third generation of display technology based on electroluminescence after CRT picture tubes and LCD liquid crystal displays.
Compared with the previous two generations of display technologies, OLED display panels truly have the characteristics of lightness, thinness, fast response, transparent display, and flexible foldability of "future technology" materials. Its special structure does not require heavy vacuum devices, additional screen backlights, and liquid crystal phases. It only needs to vapor-deposit the luminescent material on the thin ITO glass plate, and it can emit light and color when it is electrified.
OLED Organic Luminescent Materials Are the Core of Upstream Supporting Equipment, With High Added Value
OLED is an organic light-emitting device manufactured on the basis of a variety of organic materials that directly converts electrical energy into light energy, and is the core of upstream supporting facilities. The basic structure of OLED materials includes cathode, anode, auxiliary layer and light-emitting layer. Under the action of an external electric field, OLED electrons are injected from the cathode and holes are injected from the anode. The injected electrons and holes are respectively from the electron auxiliary layer and the hole auxiliary layer.; after electrons and holes are injected into the light-emitting layer, electron-hole pairs, namely excitons, are formed. The exciton radiates and de-excites to emit photons to make the OLED emit light. It can be seen that the OLED material directly determines the luminous characteristics of the panel, including luminous efficiency, so it is the core key material for OLED upstream manufacturing.
OLED organic light-emitting materials are one of the fields with the highest technical barriers in the industry chain, and the market scale has grown rapidly in recent years. AMOLED panels need to vaporize more than ten layers of organic materials. The thickness and uniformity of vapor deposition are the core indicators. The thickness of each layer ranges from a few nanometers to hundreds of nanometers. Although the materials used are small, its cost accounts for up to 10% of the total cost of panel production. The total size of the global organic materials market in 2018 was approximately US$1.6 billion, with an average annual growth rate of over 35%. In 2021, the market size of OLED organic materials will exceed 3 billion U.S. dollars, and the growth rate of products used in TV and car display fields will increase. Future growth will mainly come from China and South Korea. Benefiting from the future growth of domestic OLED panel production capacity, the demand for OLED materials will increase simultaneously. OLED luminescent materials are the source of display technology. At present, most of the OLED materials compatible with the printing process are developed on the patented material system of Europe,The Terminal Demand Is Strong, And the Domestic OLED Panel Production Capacity Is About to Be Increased
China is the world's largest producer, consumer and exporter of consumer electronics products, and the vast terminal application market is the biggest driving force for the development of China's OLED industry. In terms of production, China's production of mobile phones, computers and TVs accounted for more than 90%, 90% and 70% of the world's total production, ranking first in the world.
Mobile Phones Contribute the Most to Market Demand
In 2018, the shipments of OLED mobile phone panels reached 543 million, a year-on-year increase of 27%. Among them, the shipments of flexible OLED mobile phone panels were 331 million, a year-on-year increase of 39%. By 2022, the shipments of flexible OLED mobile phone panels will be Reached 598 million pieces, accounting for more than 50% of the entire OLED panel shipments. The penetration rate of OLED panels in the mobile phone market will exceed 35% in 2019, and will gradually replace LCD mobile phone panels as a new generation of mainstream display technology by 2021.
Korean Manufacturers Continue to Lead, Domestic Manufacturers Strive to Rise
OLED panels are still in short supply in the short term. At present, the supply of OLED panels is mainly concentrated in South Korea and Japan, and the domestic OLED panel industry and even the terminal application industry are still constrained by foreign suppliers.
The global panel industry has formed a four-legged pattern of China, Japan, South Korea, and Taiwan. Japanese and Korean panel companies control most of the upstream basic raw materials and components, while China and Taiwan have more panel companies. The place has acted as a processor of the global panel industry. For a long time, under this kind of industrial value chain division of labor, Chinese companies have always been in a relatively weak position and lack the right to speak in the global industrial structure.
Favorable Policies Accelerate the Localization of OLED Materials
China is the world's largest producer, consumer and exporter of consumer electronics products. A huge population base provides a vast terminal application market, which has also become the biggest driving force for the development of China's OLED industry. In 2019, the relevant policet issued by the Ministry of Industry and Information Technology clearly stated that wo must support the construction of printing and flexible display innovation centers, strengthen key technological research, and actively promote innovative results. With the support of national policies, China's OLED industry is beginning to develop in clusters. As a key link, luminescent materials will gradually be opened up, and the localization of OLED materials will accelerate.
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