| 摘要 |
A display device where a reverse driving voltage can be applied to a light-emitting element at regular intervals in order to insulate a short-circuit portion, thereby prolonging the life of the light-emitting element. A short-circuit portion is burnt out by providing a period for supplying a forward voltage or current to a light-emitting element, and a period for supplying a reverse voltage or current thereto. AC drive is performed only before mounting an AC driver circuit on an electronic appliance, and it is not performed after the mounting. Accordingly, the number of components in an electronic appliance can be reduced as well as the cost reduction of the components can be achieved.
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