Nitride releases UV micro LED Chip Kit
In 2018 the company had succeeded in high-efficiency light emission of micro UV-LEDs with a size of 12 μm x 24 μm and its peak wavelength of 385nm (patented).
In the future, it is expected that the use of the Metaverse (virtual space) will spread not only in business but also in the home. The development of VR (virtual reality) glasses or AR (augmented reality) glasses is becoming active in various countries, such as the release of VR glasses by Google.
There will be a demand for displays capable of displaying high-definition images that are smaller, lighter, and more energy efficient. Companies around the world, including Apple Inc., are competing to develop micro LED displays as the next generation of liquid crystal (LCD) and organic EL displays, but the cost and stable supply of micro LED chips have become issues.
In particular, red LEDs are difficult to microchip because gallium arsenide (GaAs) and gallium phosphide (GaP) are fragile and have low light extraction efficiency due to their high refractive index. There are also challenges in achieving high efficiency. We are developing displays by exciting three types of red, blue, and green phosphors with micro UV-LEDs. Furthermore, we have succeeded in developing mass production technology for red, green, blue microchips. Therefore, users can achieve mass production of micro LED displays by mounting three types of micro LED chips of red, blue and green, which is the conventional method.
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