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

A display apparatus comprising:

• a first light-emitting device;
• a second light-emitting device;
• a first insulating layer;
• a second insulating layer;
• and
• a third insulating layer,
• wherein the first light-emitting device comprises a first pixel electrode, a first light-emitting unit over the first pixel electrode, a first charge-generation layer over the first light-emitting unit, a second light-emitting unit over the first charge-generation layer, and a common electrode over the second light-emitting unit,
• wherein the second light-emitting device comprises a second pixel electrode, a third light-emitting unit over the second pixel electrode, a second charge-generation layer over the third light-emitting unit, a fourth light-emitting unit over the second charge-generation layer, and the common electrode over the fourth light-emitting unit,
• wherein each of an end portion of the first pixel electrode and an end portion of the second pixel electrode are covered with the first insulating layer,
• wherein the second insulating layer is positioned over the first insulating layer,
• wherein the second insulating layer covers each of a side surface of the first charge-generation layer and a side surface of the second charge-generation layer,
• wherein the third insulating layer overlaps with a side surface of the first charge-generation layer, a side surface of the second charge-generation layer, and the first insulating layer with the second insulating layer positioned therebetween,
• wherein the second insulating layer comprises an inorganic material, and
• wherein the third insulating layer comprises an organic material.

A method of manufacturing a display apparatus, comprising the steps of:

• forming a first pixel electrode and a second pixel electrode;
• forming an insulating layer covering an end portion of the first pixel electrode and an end portion of the second pixel electrode;
• forming a first layer over the first pixel electrode, the second pixel electrode, and the insulating layer;
• forming a first sacrificial layer over the first layer;
• processing the first layer and the first sacrificial layer to expose at least part of the insulating layer and part of the second pixel electrode;
• forming a second layer over the first pixel electrode, the second pixel electrode, and the insulating layer;
• forming a second sacrificial layer over the second layer;
• processing the second layer and the second sacrificial layer to expose at least part of the insulating layer and part of the first sacrificial layer;
• forming a first insulating film covering at least a side surface of the first layer, a side surface of the second layer, a side surface and a top surface of the first sacrificial layer, and a side surface and a top surface of the second sacrificial layer;
• processing the first insulating film to form a first insulating layer covering a side surface of the first layer and a side surface of the second layer;
• removing the first sacrificial layer and the second sacrificial layer;
• and
• forming a common electrode over the first layer and the second layer.

A method of manufacturing a display apparatus, comprising the steps of:

• forming a first pixel electrode and a second pixel electrode;
• forming an insulating layer covering an end portion of the first pixel electrode and an end portion of the second pixel electrode;
• forming a first layer over the first pixel electrode, the second pixel electrode, and the insulating layer;
• forming a first sacrificial layer over the first layer;
• processing the first layer and the first sacrificial layer to expose at least part of the insulating layer and part of the second pixel electrode;
• forming a second layer over the first pixel electrode, the second pixel electrode, and the insulating layer;
• forming a second sacrificial layer over the second layer;
• processing the second layer and the second sacrificial layer to expose at least part of the insulating layer and part of the first sacrificial layer;
• forming, with use of an inorganic material, a first insulating film covering at least a side surface of the first layer, a side surface of the second layer, a side surface and a top surface of the first sacrificial layer, and a side surface and a top surface of the second sacrificial layer;
• forming, with use of an organic material, a second insulating film over the first insulating film;
• processing the first insulating film and the second insulating film to form a first insulating layer covering the side surface of the first layer and the side surface of the second layer and to form a second insulating layer over the first insulating layer;
• removing the first sacrificial layer and the second sacrificial layer;
• and
• forming a common electrode over the first layer and the second layer.