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>> The production capacity is 37,500, and the Wuhan Tianma flexible OLED production line is in the normal climbing stage. 17th,Jan,2019
On January 15, 2019, Shen Tianma A answered questions from investors on the interactive platform of the panoramic network. He said that the rigid OLED display of Wuhan Tianma Phase I was officially mass-produced and shipped to brand customers in early June 2018. Flexible OLED display It has been mass-produced and actively promoted and verified to more customers. Currently, the production line is in a normal climbing stage.
The Wuhan Tianma Phase II project is actively promoting. After the project is completed, the total capacity of the 6th generation LTPS AMOLED production line of Wuhan Tianma will reach 37,500 sheets/month of flexible OLED display panels.
For the first phase, the Ulvac vaporizer is used. In the second phase, whether the Canon Tokki vaporizer is used, Shen Tianma said that it will insist on purchasing high-quality raw materials and equipment, thus ensuring the quality of the finished products. Shen Tianma believes that the choice of equipment manufacturers depends to a large extent on the company's own depth and breadth of key processes, technology mastery and understanding. To this end, Shentian Ma will conduct full and in-depth research, testing, analysis and accumulation of experience. Will not blindly choose.
In addition, Shen Tianma also responded to investors' questions about the company's virtual reality (VR). Shen Tianma's VR technology has the ability to mass production and maintain good cooperation with brand customers, depending on customer needs. Deep Tianma will continue to improve its technical capabilities.
Li Xing learned from the industry that although China has invested more than ten flexible OLED panel production lines, in the implementation process, in fact, each and every production line has different strategies and will follow the future customer base. Or make some adjustments in the product market.
However, these flexible panel production lines have a common commonality, that is, from the start of the production line test to the completion of the production capacity and the rate of climb, which is very burning.
Among them, in addition to the OLED production process is completely semiconductor process, the material characteristics of the OLED body and the luminescence characteristics of the OLED finished device also determine each OLED production line, even if it is completely identical equipment, and the same process. Setting the parameters, the products produced are also likely to be different.
For a very simple example, the target used in the OLED production line, even if everyone uses the same supplier, the same batch of products to organize production, if not according to the different density of each target, set different coating The photoelectric performance of the product, which is the true amount of the output, is completely different.
How to clear the relationship between target density, coating parameters, photoelectric performance indicators, and form an operational data model, it is necessary to spend a lot of time on the panel production line, invest a large amount of raw materials to test the test machine, in order to Accumulate the data.
This is also the main reason why global panel companies have taken Samsung's mass production technology package after receiving the mass production technology patent license from Samsung in 2015, and it is difficult to achieve rapid mass production in a short period of time.
As for the outside world, the Ulvac evaporator is currently used by Shen Tianma. The second phase will use the Canon Tokki vaporizer. In fact, it is because Samsung, which currently has the largest shipment, uses the flexible OLED display. Canon Tokki vaporizers, and Samsung's flexible OLEDs, which are mass-produced with Canon Tokki vaporizers, have been approved by Apple's mass production orders.
However, as mentioned earlier, each OLED production line, even with exactly the same equipment, and the exact same process setup parameters, may produce different products. This can also be seen from the flexible OLED products produced by the LG flexible OLED panel production line that is almost the same as Samsung's production line and the BOE flexible OLED panel production line.
In particular, LG's flexible OLED production line, even under the intervention of Apple, has not yet produced energy products that are consistent with the optical performance of Samsung's flexible OLED panel production line, which fully proves that it is in different production lines. It is difficult to operate a flexible OLED panel product of the same quality.
In fact, even if Samsung uses the same production line to produce flexible OLED products, the photoelectric performance parameters of different product models vary greatly, often exceeding the compensation range of OLED driver chips, except for Apple. The quality of other flexible OLED products is Samsung's own control of the flexible OLED shipment standards, as long as the product batch consistency is guaranteed, the customer has almost no room for bargaining.
As for the different brand of vapor deposition equipment on the OLED production line, it is the key to the success of flexible OLED products. From the perspective of industry practitioners, it does not constitute an inevitable connection. Although each vapor deposition equipment manufacturer designs the product, the optical performance parameters of the flexible OLED are finally used as indicators to carry out related operations, but how to achieve the parameters to meet the photoelectric performance parameters of the device is not static.
What really matters is that different manufacturers need to develop reasonable process parameters according to the specific performance of each equipment they purchase, combine the raw material characteristics of each batch, and match the design characteristics of different production line molds. . In line with the final technical specifications of the customer's products, the controllable mass production parameters are adjusted.
The Ulvac vaporizer and the Canon Tokki vaporizer used by Shentianma are completely different in terms of the production mold design and the working mode of the evaporation process, but the rigid OLED display and flexible OLED produced by Shentianma are different. The display screens have all passed the certification of the domestic first-line brand mobile phone manufacturers. At least the deep Tianma has proved to have a strong technical foundation in the OLED mass production process control.
In fact, because Shentianma's LTPS backplane technology is relatively leading in China, after eliminating the interference of LTPS backplane factors, Shentianma's OLED evaporation technology has given the industry a lot of expectations.
Even so, as mentioned above, from the start of the OLED production line test to the completion of the production capacity and the rate of climb, this period is very burning, and there is no shortcut in the industry, which leads to the global flexible OLED panel production. The line is very short of money.
On January 14th, Hubei Provincial Governor Wang Xiaodong proposed in the government work report that Hubei’s main expected goals and priorities in 2019 should be good, including nine major projects, including major project promotion, reducing burdens for enterprises, and promoting technological innovation. .
In terms of major project promotion, a number of major projects such as ensuring Huaxing Optoelectronics T4, BOE 10.5 generation line, and Guangzhou Automobile Chuanyi Yichang Base were completed as scheduled; focus on promoting Wuhan Xinxin Phase II, Tianma Flexible OLED Screen, Xiaomi Wuhan Major industrial projects such as the headquarters, Fuyang CRRC Hanjiang MRT Equipment Headquarters Base, etc.
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