Semiconductor device including light-emitting element

摘要

A reduction in contaminating impurities in a TFT, and a TFT which is reliable, is obtained in a semiconductor device which uses the TFT. By removing contaminating impurities residing in a film interface of the TFT using a solution containing fluorine, a reliable TFT can be obtained.

主权项

1. A display device comprising:
a first substrate comprising:
a pixel portion comprising a light-emitting element over a first transistor with an insulating film interposed therebetween; anda driver circuit including a second transistor; a wiring configured to be electrically connected to a flexible printed circuit; a second substrate over the first substrate; a first sealing material interposed between the first substrate and the second substrate; and a second sealing material disposed outside the first sealing material, wherein the wiring is electrically connected to an electrode of the light-emitting element, wherein the wiring comprises a same layer as a source electrode of the first transistor, and wherein the wiring comprises a first region in contact with the first sealing material.