Display apparatus, display module, electronic device, and method of manufacturing display apparatus

A display apparatus comprising a first light-emitting device and a second light-emitting device,

• wherein the first light-emitting device comprises a first conductive layer, a second conductive layer over the first conductive layer, a first EL layer over the second conductive layer, and a common electrode over the first EL layer,
• wherein the second light-emitting device comprises a third conductive layer, a fourth conductive layer over the third conductive layer, a second EL layer over the fourth conductive layer, and the common electrode over the second EL layer,
• wherein the first EL layer comprises a first light-emitting unit over the second conductive layer, a first charge-generation layer over the first light-emitting unit, and a second light-emitting unit over the first charge-generation layer,
• wherein the second EL layer comprises a third light-emitting unit over the fourth conductive layer, a second charge-generation layer over the third light-emitting unit, and a fourth light-emitting unit over the second charge-generation layer,
• wherein the second conductive layer covers a side surface of the first conductive layer,
• wherein the fourth conductive layer covers a side surface of the third conductive layer,
• wherein an end portion of the first EL layer is aligned or substantially aligned with an end portion of the second conductive layer, and
• wherein an end portion of the second EL layer is aligned or substantially aligned with an end portion of the fourth conductive layer.

A method of manufacturing a display apparatus, comprising:

• forming an island-shaped first conductive layer and an island-shaped second conductive layer over an insulating surface;
• forming a first conductive film over the first conductive layer and the second conductive layer;
• forming a first layer over the first conductive film;
• forming a first sacrificial layer over the first layer;
• processing the first layer and the first sacrificial layer so that an end portion of the first layer and an end portion of the first sacrificial layer are positioned outward from an end portion of the first conductive layer and a region of the first conductive film that overlaps with the second conductive layer is exposed at least partly;
• forming a second layer over the first sacrificial layer and the first conductive film;
• forming a second sacrificial layer over the second layer;
• processing the second layer and the second sacrificial layer so that an end portion of the second layer and an end portion of the second sacrificial layer are positioned outward from an end portion of the second conductive layer and the first sacrificial layer is exposed at least partly;
• processing the first conductive film with the first sacrificial layer and the second sacrificial layer used as hard masks to form a third conductive layer between the first conductive layer and the first layer and a fourth conductive layer between the second conductive layer and the second layer;
• removing the first sacrificial layer and the second sacrificial layer at least partly so that the first layer and the second layer are exposed at least partly;
• and
• forming a common electrode over the first layer and the second layer.