Patent ID: 11960158
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G  H  Y | IPC G  H

Claim 6:
7. An electronic device comprising:
a first display panel; and
a second display panel,
wherein the first display panel comprises a first transistor over a first substrate and a light-emitting element electrically connected to the first transistor,
wherein the second display panel comprises a second substrate and a second transistor provided over the second substrate,
wherein the second substrate comprises glass,
wherein the first display panel and the second display panel overlap each other,
wherein, in a state where a display surface of the first display panel is flat, the display surface of the first display panel comprises a first region overlapping with a display surface of the second display panel and a second region not overlapping with the display surface of the second display panel,
wherein, in a state where the display surface of the first display panel is bent, the second region of the first display panel and the first region of the first display panel are configured to overlap each other,
wherein, in the state where the display surface of the first display panel is bent, the electronic device comprises a member that protects a region having a curvature of the display surface of the first display panel and is provided between a third region of the display surface of the first display panel and a fourth region of the display surface of the first display panel,
wherein, in a cross-sectional view of the electronic device, an outer edge of the member has a region having a curvature,
wherein, in the cross-sectional view of the electronic device, the region having a curvature of the display surface of the first display panel is provided to surround the region having a curvature of the outer edge of the member in the state where the display surface of the first display panel is bent,
wherein the light-emitting element comprises:
a first conductive layer;
an EL layer over the first conductive layer; and
a second conductive layer,

wherein the first transistor is electrically connected to the first conductive layer,
wherein the first transistor comprises:
a first gate electrode over a first insulating layer;
a second insulating layer over the first gate electrode;
a semiconductor layer over the second insulating layer, the semiconductor layer comprising a metal oxide;
a source electrode and a drain electrode provided over and electrically connected to the semiconductor layer;
a third insulating layer over the semiconductor layer; and
a second gate electrode over the third insulating layer,

wherein a third conductive layer is provided over the first insulating layer,
wherein the third conductive layer is formed from a same layer as the first gate electrode,
wherein the third conductive layer is configured to function as a first electrode of a capacitor, and
wherein the first conductive layer of the light-emitting element overlaps with the first gate electrode and the third conductive layer.