Printed OLED is a new display technology that uses inkjet printing technology to print light-emitting organic materials onto OLED displays. Compared with traditional OLED technology, this technology has many advantages such as high production efficiency, high contrast, excellent color performance, and wide application. As a world-renowned panel company, TCL CSOT is in a leading position in printed OLED technology and is poised to be at the forefront of achieving the latest advancements in the printed OLED field. – hit
On October 15, 2024, TCL CSOT held a themed media exchange meeting on printed OLED technology at its manufacturing base in Wuhan. The meeting focused on TCL Huaxing’s research and development progress, product applications and future development directions in the field of printed OLED technology. Dr. Cao Weiran, Director of TCL CSOT’s Print OLED Center, and experts from the R&D team answered media questions in detail on site, and shared TCL CSOT’s latest achievements and challenges in the field of print OLED – hit
Dr. Cao Weiran, Director of TCL CSOT Printing OLED Center
The first printed OLED product will be used in medical displays
Dr. Cao Weiran revealed that TCL CSOT’s first printed OLED product has entered the trial production stage and is expected to reach mass production by the end of 2024. This product will be used in medical imaging equipment, such as ultrasound machines and CT equipment. This option not only meets the requirements of OLED technology’s printed production capacity, but also forms the basis for the gradual expansion of the technology’s use.
Cao Weiran explained that the medical display was chosen as the first product mainly because of its high requirements for resolution and a relatively small product, which helped the improved management of TCL CSOT at the test production stage. This has laid the foundation for TCL Huaxing to gather experience and further promote the use of printed OLED in consumer products on a larger scale.
TCL Huaxing Printing OLED Production Line
Technical advantages and challenges of OLED printing
Printed OLED technology is considered a cutting-edge technology in the display industry and has distinct advantages over traditional OLED printed technology. Cao Weiran pointed out that one of the main advantages of printed OLED technology is that its process does not require a large vacuum environment, which means that the high cost of investment in vacuum equipment can be avoided. In addition, the material utilization rate of printed OLED is higher, reaching more than 90%. This efficient use of materials means that printed OLEDs have great potential for cost control.
However, printed OLED technology faces some challenges. Cao Weiran said that the TCL CSOT team is still developing how to replace part of the evaporation process with printing technology to achieve a real complete printing process. In addition, production rate is also one of the main challenges of current technology.
TCL Huaxing Printing OLED Production Line
The application prospects for printed OLED in the medium-sized range
During the exchange, Cao Weiran emphasized the great potential of printed OLED technology in medium-sized applications, especially in devices such as notebook computers, tablets, and monitors. Compared to large applications such as TVs, medium-sized display devices have higher requirements for resolution, thin and light design, and power consumption, and printed OLED technology can meet these requirements.
Especially in mobile devices, reducing energy consumption is a major challenge. In addition, frame design and thinness and lightness of devices are also key directions for future iterations of technology. Cao Weiran pointed out that although OLED printing can achieve high brightness and low power consumption, it can also effectively control the output of blue light, which meets current consumer demand for eye protection and screens low blue lights.
Therefore, future large-scale production plans for printed OLED technology will first focus on the medium-sized display area, although printed OLED technology is relatively easy to expand to large-scale production lines, TCL Huaxing still hopes to do it technically first. . to maturity to ensure the product benefits and cost of the product line. On this basis, TCL Huaxing will gradually expand its application range to include monitors, notebook computers and other IT equipment.
TCL Huaxing Printing OLED Production Line
Global Competition and Technological Innovation of Printed OLED
In the competition in the global display industry, TCL CSOT, Samsung, LG and other companies promote various OLED technology solutions. Samsung’s QD-OLED and LG’s WOLED have achieved mass production in the display and large TV markets. TCL Huaxing’s strategic development is to start from the mid-size range and capture the market through printed OLED technology.
Cao Weiran pointed out that, from a technical analysis, the advantage of TCL Huaxing’s printed OLED technology lies in the regularly arranged RGB pixel structure compared to the diamond structure or traditional OLED technology font, the display effect is TCL Huaxing better in color and image reproduction. quality. In addition, printed OLED can maintain good color consistency at low gray levels, improving display performance.
Looking to the future, TCL CSOT does not intend to replace the existing OLED technology, but hopes to provide diversified product options under different market demands through technological innovation . Cao Weiran said that the goal of TCL Huaxing is to be a comprehensive solution provider that meets the needs of various display products Whether it is medium or large size, whether it is OLED technology or printed OLED technology, the corresponding capabilities of TCL Huaxing. .
Decision
With the continuous development of printed OLED technology, TCL CSOT is expected to consolidate its leading position in the display industry in the future. Through continuous technological innovation and market expansion, printed OLED is expected to rapidly gain popularity in the field of medium-sized displays and gradually expand to other application scenarios. In the face of increasingly fierce competition in the global display industry, TCL Huaxing’s printed OLED technology not only represents the future trend of display technology, but also brings new impetus into the technological innovation of China’s exhibition industry.
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