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TDK begins mass Production of Inverter Transformers for Liquid Crystal Display Backlights


TDK has developed and started mass production of the IVT Series of high-voltage transformers for inverters used in liquid crystal display backlights. Demand for liquid crystal displays used in electronic devices such as car navigation systems and notebook personal computers have grown rapidly. As displays become larger and thinner, electronic components must be mounted in increasingly limited spaces. There are calls for the high-voltage transformers that are essential for switching on liquid crystal display backlights in particular to be made smaller, thinner, and lighter.


To meet these needs, TDK conducted fundamental reviews of manufacturing techniques including the adoption of high temperature resistant wire for winding wire and using laser welding to join the internal contacts. The result was the development of an inverter that is reliable even under demanding automobile environments.




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