KAIST and Samsung jointly developed new LED technologies in various shades
On December 13th, KAIST physics professor and Samsung Electronics Technology Institute jointly developed three basic colors - red, green, blue and difficult to make white and other color production techniques. This technology can immediately mark the color on the screen, so if it is commercialized, it will be more vivid than the existing display color. Â
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The professor's research group used LEDs to make LED semiconductors with hexagonal pyramid patterns of only a few μm. If the semiconductor is powered on, various colors will appear with the voltage. The color of the bevel, the corner, and the high point of the hexagonal ball are different. A technique for displaying a plurality of colors according to the magnitude of a voltage has been developed. The research team also produced semiconductors below 300 nm that are smaller than this semiconductor, and it has also been successful.
Professors pointed out that Japan and Germany are also developing LED technology that does not use fluorescent substances to represent various tones. However, it is impossible to cultivate a size of more than 3 inches, and the price is also very expensive. Although there are AMOLEDs different from LEDs, they are mainly used in mobile devices such as smartphones. A related person from Samsung LED said that the research is only the initial stage of research and development, and it can be put into practical use after five years. 