Recently, Zhao Yongxun, a professor of the Department of Physics of KAIST University in South Korea, and the President of the Samsung Electronics General Technology Institute prayed that they would publish three new colors, red, green, blue and hard-to-manufacture. Production technology. Using this technology, the existing display can be made more vivid.
The research team used "gallium" to make LED semiconductors with a hexagonal pyramid shape of only a few μm (micron, 1 millionth of a million meters). A variety of colors can be displayed depending on the magnitude of the voltage. 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. The research team also produced semiconductors that are 300 nm (nm, 1 nm equals 1 billionth of a meter) smaller than this semiconductor, and have also been successful.
The researchers pointed out: "The fact that fluorescent materials are not used to produce a variety of wavelengths (colors) is of great significance to the scientific industry. If companies further research, they will be able to develop better products. At the same time, this development The technology can be used on large screens like TVs and monitors, because the use of expensive materials does not reduce the cost of production. Because the approach is different, there will be no patent problems. If you follow up, you can make the technology. A thinner and cheaper TV and display material than now."
South Korean science and technology personnel are preparing to use the LED materials developed this time to cope with the new era of LED technology that Japan and Germany have seized. The relevant person of Samsung LED also said: "This research is only the initial stage of research and development, and it can be put into practical use after 5 years."
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