OLED - using technology to meet challenges

If most of the attention of consumers has been fully focused on the LCD, PDP and other flat-panel TVs, it shows that the industry stakeholders are more concerned about the next development of flat panel display core technology. OLED (organic light emitting diode) since its birth in 1979 Kodak laboratory, has been considered to be the next generation of display technology, the most powerful competitors, will fully occupy our vision in the future.

From the technical analysis, compared with the liquid crystal technology, OLED has the characteristics of simple structure, thin thickness, high contrast, fast response, wide range of temperature adaptation and so on. From the production, organic luminescent material of OLED has been the subject of life, especially in the color OLED panel, three RGB uses organic light-emitting materials with different brightness, which will lead to different attenuation cycle, display color change occurs in the process of using. Previously, full-color OLED display elements in the basic life of more than 20 thousand hours, can only be used in mobile devices such as mobile phone, TV and other mainstream and cannot be applied to the field of flat-panel display (usually that TV screen display should have a life expectancy of 50 thousand hours).

The day before, EPSON, SONY and other companies through a series of technical innovations, gradually make up for lack of life, products and so on, again showing OLED as the next generation display technology represents the core position. EPSON released the latest R & D results - the ultimate black (black ultimate (the)) OLED display system, in the life and display quality has made considerable progress. EPSON, by improving the development of light-emitting materials and the development of its own components, to solve the problem has long been plagued by the extension of the early life of the equipment failure. The service life is extended to more than 50 thousand hours, compared with the current mainstream flat-panel TV screen life basically reached the same level, can be used as a mainstream TV or display screen, greatly expand the application prospect of the OLED display system.

In addition, the advantages of OLED in the quality of the picture has also been further improved by the ultimate black. Because it is necessary to display through the backlight, LCD technology requires a lot of means to improve the ability to turn off and through the light to enhance the image contrast. Even so, the black screen appears also because the presence of total light grey surface. As a self luminous display device, OLED had a high contrast. EPSON's "ultimate black" OLED in theelectricity they r syndrome can show the true black, even more than the traditional PDP technology for self luminous performance better. Not only black, since the characteristics of the light-emitting OLED can be guaranteed when the brightness is very low color saturation, so that the screen from the light to the dark are natural colors. Therefore, the ultimate black regardless of color contrast, the level is much higher than the general LCD panel, beyond the traditional flat-panel display image quality.

For the image quality is very sensitive to the application field, pure and rich black is a key measure of the quality of their display. EPSON's technological breakthrough so that the application of OLED is expected to show a new direction. In the past a lot of people are wishful thinking OLED can quickly cut into the big screen market, and LCD, PDP TV head-on confrontation. However, from the current OLED large screen and finished speed, the date of the decisive battle will continue to delay. The EPSON display of this high-quality OLED panel is expected to open a breakthrough in some professional, industry applications. In the image, publishing, automotive, high quality display and other fields, the display quality is very sensitive to the user will put aside the price factor, with OLED to improve their work efficiency or taste. Technological progress paves the way for the future of OLED. With the beginning of the product, the next few years, OLED revenue will grow significantly.

Source: online international business daily