Recently, the RIKEN Innovation Center and the Japanese Canon Company have developed a new technology that can replace precious metals with copper, thereby further reducing the production cost of OLEDs .
According to the Japan Institute of Physical and Chemical Research, copper complexes are relatively inexpensive, and the cost is 1/2000 of the ruthenium complex. If it can be applied, it will inevitably reduce the production cost of OLED. However, the external quantum efficiency (EQE) of copper complexes was relatively low before the new study. Although this complex can be easily activated to a high-energy state, since it is distorted, it dissipates more energy than it emits in the form of light, and thus the luminous efficiency is far less than that of the ruthenium complex.
To solve this problem, the researchers changed the molecular environment in which copper is located, encapsulating copper ions in several organic ligands. This method has been successful in emitting green-emitting OLEDs, and the external electron efficiency of the modified copper complex is almost equivalent to that of the ruthenium complex.
Large span cable trays are a type of cable management system used to support and protect electrical cables in industrial and commercial settings. These trays are designed to span long distances without the need for additional support, making them ideal for use in large facilities with expansive cable networks.
The primary function of large span cable trays is to provide a secure and organized pathway for electrical cables. They are typically made from metal or fiberglass and are available in a variety of sizes and configurations to accommodate different cable types and installation requirements.
One of the key advantages of large span cable trays is their ability to support heavy loads over long distances. This is achieved through the use of sturdy construction materials and specialized design features such as reinforced side rails and cross members.
In addition to their load-bearing capabilities, large span cable trays also offer excellent ventilation and heat dissipation properties. This is important for electrical cables, which generate heat during operation and must be kept within a safe temperature range to prevent damage or failure.
Another benefit of large span cable trays is their flexibility and adaptability. They can be easily customized to fit specific installation requirements and can be configured to accommodate changes in cable routing or network expansion.
Large span cable trays are commonly used in a wide range of industrial and commercial applications, including power generation and distribution, oil and gas processing, chemical manufacturing, and transportation infrastructure. They are also used in data centers and other high-tech facilities to support complex networks of electrical and data cables.
Overall, large span cable trays are an essential component of modern electrical infrastructure. Their ability to provide secure and organized cable management over long distances makes them an ideal choice for a wide range of applications, from small-scale installations to large, complex facilities.
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