The development of the OLED industry has attracted the attention of the Chinese government. With the support of the Ministry of Industry and Information Technology, the OLED R&D in mainland China has made breakthrough progress. In October 2008, Visconnano, established by Tsinghua University, successfully built the first large-scale OLED production line in Kunshan in China, achieving mass production of small-size OLED displays.

At present, in mainland China, Kunshan Visionox, Shanwei Trust, Sichuan Hongshi, Foshan Rainbow and other companies are engaged in small-size OLED production. The first AMOLED pilot line in China has been completed and put into production in Kunshan and the entire production process has been completed by the end of 2010. Shanghai Tianma and Foshan Rainbow are all building 4.5-generation AMOLED production lines. Production is expected to reach volume production in 2011, and BOE and Sichuan Hongshi are also Actively conduct research and development of AMOLED projects. Mainland China's AMOLED panel production lines include 4.5-and 5.5-generation lines from BOE, 4.5-generation lines from Chengdu Hongshi, 2.5-generation lines from Tianma in the Yangtze River Delta, 2.5-generation and 4.5-generation lines from Visionox, and 5.5-generation lines from Xiamen Tianma. The Pearl River Delta Rainbow's 2 4.5 generation lines, color display of the 2.5th generation line, the letter of the 2.5th generation of credit, etc., China's AMOLED industry is about to see the fruits of the harvest.

1. Visionox: Independent Innovation Leads China's OLED Industry

In October 2008, Visionox Corporation established the first large-scale PMOLED production line in mainland China in Kunshan based on the technology researched by Tsinghua University, which has enabled China's OLED industry to take shape. For more than a decade, Visionox has always insisted on independent innovation, taking the road from technology development to industrialization, and has become the first company in Mainland China to fully master PMOLED manufacturing technology.

Global shipments ranked third because OLED industry's development prospects are optimistic. Since 2002, Visionox has built the first PMOLED pilot production line in mainland China based on the technology researched by Tsinghua University. In 2009, Visconn established China. The mainland's first AMOLED pilot production line, and in 2010 achieved LTPSTFT backplane and OLED technology integration.

After less than two years of efforts, Visionox has become one of the world's leading suppliers of PMOLEDs, and its products are exported to Europe, the United States, Japan and South Korea, and China Taiwan. In 2010, Viscino’s market share in mainland China reached 40%, and PMOLED shipments ranked the third in the world in the first quarter of 2011.

At present, Visionox OLED mainly has two production lines in Beijing and Kunshan. The Beijing pilot line PMOLED can realize small-volume production; Kunshan PMOLED can achieve large-scale production of 10 million to 12 million cigarettes per year, with sales of 1.7 million in 2010. 100 million yuan.

Building the high-generation AMOLED production line The global OLED industry development trend in the future is based on the development of small-size PMOLED products and the development of large-size AMOLED products.

On how to develop large-size AMOLED, Wan Boquan, a senior consultant of Beijing Wesson Technology Co., Ltd., stated that as an emerging display technology and industry, the industrial development of OLED at this stage must be a technology-driven one, and this kind of industry is difficult to obtain through the introduction. The most advanced and complete technology. In the development of small-size PMOLEDs, materials and device structures are the core technologies. For the first time, Visionox has not taken the route of technology introduction in the field of display in China. In the development of large-size AMOLEDs, semiconductor technologies such as TFTs have become the decisive factor affecting product size expansion. Visionox will continue to insist on independent innovation from R&D, pilot testing, and industrialization.

Wan Boquan disclosed that Visionox is currently planning the construction of a high-generation line and will build an AMOLED production line that can produce TV products with 30-inch or more in five years. Visionox is fully developing LTPSTFT backplane technology. At the same time, Visionox is also committed to researching and developing product technologies that increase performance and reduce costs.

2. Shenzhen Tianma: Completed the debugging of OLED pilot line

In August 2010, Shenzhen Tianma Microelectronics Co., Ltd. disclosed that its controlling subsidiary Shanghai Tianma plans to invest in the 4.5-generation AMOLED pilot line with a total investment of 492 million yuan.

In February 2011, the Shanghai Tianma AMOLED pilot line project successfully lit the first color AMOLED product; in July, the company also verified another AMOLED sample. At present, Shanghai Tianma AMOLED project equipment has been basically completed debugging.

At present, Tianma has completed debugging of OLED pilot lines and also produced full-color AMOLED samples. However, the current product's efficiency, reliability and life expectancy have yet to be further improved, and the device structure and process have yet to be further optimized. In an interview with a reporter from China Electronics News, Shanghai Tianma's AMOLED project director said: "At present, Tianma has started a test run on the 4.5-generation pilot line in Shanghai. The main goal is to use the pilot line at 6-10. In the month, solve the problems existing in the test line, and then consider building a production line at the appropriate time."

At the 2011 portable product innovation technology exhibition, after Tianma Microelectronics acquired NEC Liquid Crystal Co., Ltd. in February 2011, it plans to invest RMB 7 billion in Xiamen in the second half of the year to build the 5.5-generation LTPS plant, aiming to provide AMOLED small and medium size displays for portable electronic products. Screen.

3. BOE: Plan to invest 22 billion yuan to build 5.5-generation AM-OLED production line

In May 2011, during the “2011 Shenzhen Optoelectronic Display Week and Shenzhen Color TV Festival”, BOE officially launched the AM-OLED development plan and actively laid out new display technologies.

According to reports, relying on Chengdu's 4.5th generation TFT-LCD production line, BOE has started the transformation of the production line of AM-OLED, and actively promoted the layout of the AM-OLED high generation line. It is expected that BOE will be able to launch LTPS (low-temperature polysilicon) display panels for mobile phones and other mobile terminals during the year; in the next 3 to 5 years, it will also gradually introduce information such as IT and TV, and AM-OLED display panels for video terminals.

Wang Gang, research and development director of BOE's future display technology, said that BOE will actively promote the development of new display technologies such as AM-OLED in China based on its proprietary core technology of TFT-LCD, as well as its own industrial R&D capabilities.

In August 2011, BOE plans to build a 5.5-generation AM-OLED production line in Ordos. The project plans to invest a total investment of 22 billion yuan, the glass substrate size of 1300mm × 1500mm, including the array, color film, box, module four major processes. This project is a major investment project and it can only be implemented after being approved by the board of directors, the general meeting of shareholders and relevant competent authorities. There is still significant uncertainty and it is currently in the process of examination and approval by the competent authorities. As a leading player in the flat panel display industry in China, BOE has a relatively rich technology reserve. Currently, the key to AM-OLED technology is LTPS, and the 4.5-generation line in Chengdu has been successfully mass-produced.

4. Sichuan Hongshi: Plan to build more than 4.5 generation AMOLED production lines before the end of 2013

Sichuan Hongshi has one of the most complete PMOLED production lines in China with a designed annual production capacity of 12 million pieces (calculated on a 1-inch screen), and is mainly based on the application requirements of its own products. Since it was put into production in April 2010, the product line's product yield has now exceeded 90%. It is understood that Hongsi also has an AMOLED panel experimental line and a PMOLED experimental line.

For the construction of the large-size AMOLED production line, Hongshi Company started to formulate corresponding plans as early as the end of 2009. Taking into account the technical risks and equipment risks of the AMOLED production line, Hongshi has repeatedly demonstrated.

In August 2011, Hongshi Company convened related experts in technology development, mass production research, and equipment and materials in Japan and South Korea in the name of the “National Local Joint Engineering Laboratory for OLED Process Technology” and conducted the final round of technology. Demonstration, and plans to build a production line of more than 4.5 generations of AMOLED before the end of 2013.

5. Foshan Rainbow: Proposed to build AM-OLED pilot line

June 9, 2011, Rainbow shares announced that the company's holding subsidiary Rainbow (Foshan) Flat Panel Display Co., Ltd. plans to raise 315 million yuan to build AM-OLED (active matrix organic light-emitting diode panel) pilot line project , And plans to issue 1.6 billion short-term financing bills to meet the company's industrial restructuring and the rapid development of new industries on the demand for funds.

Foshan Rainbow invests in 4.5-generation AM-OLED projects and plans to raise 1.6 billion yuan. Prior to the company’s non-public issuance of shares to raise funds, it will use self-raised funds to invest in the pre-construction of the project. In addition, in order to consolidate the industrial foundation of the company's 4.5-generation AM-OLED business and provide it with continuous technical and talent support, Rainbow (Foshan) Flat-panel self-financed 315 million yuan to build an AM-OLED pilot line project. The board of directors of the company believes that the construction of the AM-OLED Pilot Line Project is in line with the company's OLED development strategy, which can enhance the company's leading position in the industry; at the same time, the construction of this project can reduce the technology, product and market risks of 4.5-generation AM-OLED production line investment.

On November 8, 2010, the trial production of Phase I of the OLED project of Rainbow (Foshan) Flat Panel Display Co., Ltd., a subsidiary of Rainbow Holdings, was held in Wusha Technology Industrial Park, Shunde District, Foshan City. The construction started this time is the first 4.5-generation AMOLED production line in China.

The total investment of the completed Rainbow OLED project is 508 million yuan, and it can produce 12 million PMOLED products annually. Since the project started construction in May last year, the project has progressed very smoothly. The project has been rated as the advanced unit of Guangdong Province's key construction projects in 2009 and the top 500 of Guangdong's modern industry. It is a key enterprise in the high-end electronic information industry in Guangdong Province. The project construction has been called “The Rainbow Speed ​​of Guangdong” by the provincial leaders.

Rainbow II OLED project is to build two 4.5-generation AMOLED production lines with a total investment of RMB 9.46 billion. In November this year and October 2011, they respectively started the construction of a 4.5-generation AMOLED production line. After completion, it can annually produce more than 40 million AMOLED display screens. This is the first 4.5-generation AMOLED production line, with a total investment of 4.96 billion yuan. It will be able to annually produce more than 20 million AMOLED screens after it is completed.

6, Truly: OLED production line will be added in the future

Truly Semiconductor Co., Ltd. began to contact OLED in 2001 and invested RMB 200 million in mid-2003 to establish China’s first true mass production line with a monthly output of 200,000 screens per month. Products, in 2004, mass production of color products, in 2007 the mass production of the highest quality automotive products. After nearly 10 years of technology accumulation, Xinli has responded positively to the "high-quality, high-performance, low-cost" customer demand, and has completely mastered the device technology, production technology, detection technology, yield control technology, and has mobile phones, consumer electronics, and industrial Control, vehicle electronics and other complete market layout.

In the future, Truly will add OLED large-scale production lines and open up the AMOLED mobile phone application market. By then, Xili's OLED will be able to provide products and services for almost all market applications.