Abstract
The phenomenon of electroluminescence is the non-thermal conversion of electrical energy into luminous energy, in which the light is generated by impact excitation of a light emitting center by high energy electrons. AC driven thin film electroluminescant(AC-TFEL) devices are very attractive for use as flat panal display because they have a number of advantages, such as high brightness, high resolution, low power dissipation, complete solid-state multicolor flat-panel display ,and potential for use in large area. However, these devices need a high driving voltage of about 200V. This makes it difficult to use a compact driving circuit composed of available ICs, and as a result, lowering the driving voltage is one of the main keys to fabricate practical TFEL displays (1).
© 1995 Optical Society of America
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