Piezoelectric Inverters

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A tendency to realize high-performance notebook PCs has slowed down recently. Instead, stylish chassis and extended battery life have emerged as crucial factors for attracting users.
To accurately respond to the needs of the time, piezoelectric inverters that employ piezoelectric transformers are indispensable.
For recent stylish notebook PCs, the following features are required: (1) the whole LCD block should be as thin as a plate; (2) the frame should be as slim as possible; and (3) the LCD should be wide in relation to the overall size of the PC. These requirements indicate that the space for necessary parts is limited in such PCs.
While low power consumption CPUs have been realized, LCDs have become wider, with increased resolution and brightness. Accordingly, the LCD uses 30 to 40% of the total power consumed by current notebook PCs.
A key to solving the problem is inverters for the backlights of LCDs. Such inverters must be installed in tight spaces, not emit noise, and be highly efficient without excessive heat.
It is difficult for conventional electromagnetic inverters to satisfy these demanding requirements. The reasons are that the thickness of electromagnetic inverters cannot be reduced because isolation voltage has to be guaranteed, Also, their efficiency cannot easily be improved upon because of various losses.

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