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1. (WO2019025910) DISPLAY PANEL, DISPLAY DEVICE, DISPLAY MODULE, AND ELECTRONIC DEVICE
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CLAIMS

1. A display panel comprising:

a light-emitting element;

a first insulating layer;

a protective layer; and

a conductive layer,

wherein the light-emitting element comprises a first electrode, a light-emitting layer, and a second electrode,

wherein the light-emitting element is configured to emit light to the protective layer side,

wherein the first insulating layer comprises a first opening overlapping with the first electrode,

wherein the first insulating layer covers an end portion of the first electrode,

wherein the light-emitting layer overlaps with the first electrode through the first opening,

wherein the second electrode is over the light-emitting layer,

wherein the protective layer is over and in contact with the second electrode, wherein the protective layer comprises a second opening overlapping with the first insulating layer, and

wherein the conductive layer is connected to the second electrode through the second opening.

2. A display panel comprising:

a first substrate;

a transistor;

a light-emitting element;

a first insulating layer;

a first inorganic insulating layer;

a second inorganic insulating layer;

a third inorganic insulating layer;

a protective layer; and

a bonding layer,

wherein the first substrate is flexible,

wherein the transistor overlaps with the first substrate with the first inorganic insulating layer therebetween,

wherein a semiconductor layer of the transistor is between the first inorganic insulating layer and the second inorganic insulating layer,

wherein the light-emitting element is between the second inorganic insulating layer and the protective layer,

wherein the light-emitting element comprises a first electrode, a light-emitting layer, and a second electrode,

wherein the light-emitting element is configured to emit light to the protective layer side,

wherein the first insulating layer comprises a first opening overlapping with the first electrode,

wherein the first insulating layer covers an end portion of the first electrode,

wherein the light-emitting layer overlaps with the first electrode through the first opening,

wherein the second electrode is over the light-emitting layer,

wherein the light-emitting element overlaps with the third inorganic insulating layer with the protective layer therebetween,

wherein the third inorganic insulating layer overlaps with the light-emitting element with the bonding layer therebetween, and

wherein the protective layer is in contact with the second inorganic insulating layer more on an outside of than an end portion of the first insulating layer.

3. The display panel according to claim 2, further comprising a conductive layer, wherein the protective layer comprises a second opening overlapping with the first insulating layer, and

wherein the conductive layer is connected to the second electrode through the second opening.

4. The display panel according to any one of claims 1 to 3,

wherein the second electrode covers an end portion of the light-emitting lay

5. The display panel according to any one of claims 1 to 3,

wherein the first insulating layer comprises an inorganic insulating layer.

6. The display panel according to any one of claims 1 or 3,

wherein resistivity of the conductive layer is lower than resistivity of the second electrode.

7. The display panel according to any one of claims 1 to 3,

wherein the protective layer comprises an inorganic film.

8. The display panel according to any one of claims 1 to 3,

wherein the protective layer comprises an organic insulating film.

9. The display panel according to any one of claims 1 or 3, further comprising a second insulating layer,

wherein the second insulating layer is over the conductive layer.

10. The display panel according to claim 9,

wherein the second insulating layer comprises a portion in contact with the protective layer.

11. The display panel according to any one of claims 1 to 3,

wherein the first insulating layer comprises a portion in contact with the protective layer.

12. A display module comprising:

the display panel according to any one of claims 1 to 3; and

a circuit board.

13. An electronic device comprising:

the display module according to claim 12; and

at least one of an antenna, a battery, a housing, a camera, a speaker, a microphone, and an operation button.

14. A display device comprising:

a first display panel; and

a second display panel,

wherein the first display panel comprises a first display region,

wherein the second display panel comprises a second display region and a visible-light-transmitting region,

wherein the second display region is adjacent to the visible-light-transmitting region, wherein the first display region comprises a portion overlapping with the visible-light-transmitting region,

wherein the first display region comprises a first light-emitting element, a first insulating layer, a first protective layer, and a first conductive layer,

wherein the first light-emitting element comprises a first electrode, a first light-emitting layer, and a second electrode,

wherein the first light-emitting element is configured to emit light to the first protective layer side,

wherein the first insulating layer comprises a first opening overlapping with the first electrode,

wherein the first insulating layer covers an end portion of the first electrode,

wherein the first light-emitting layer overlaps with the first electrode through the first opening,

wherein the second electrode is over the first light-emitting layer,

wherein the first protective layer is over and in contact with the second electrode, wherein the first protective layer comprises a second opening overlapping with the first insulating layer, and

wherein the first conductive layer is connected to the second electrode through the second opening.

15. The display device according to claim 14,

wherein the second display region comprises a second light-emitting element, a second insulating layer, a second protective layer, and a second conductive layer,

wherein the second light-emitting element comprises a third electrode, a second light-emitting layer, and a fourth electrode,

wherein the second light-emitting element is configured to emit light to the second protective layer side,

wherein the second insulating layer comprises a third opening overlapping with the third electrode,

wherein the second insulating layer covers an end portion of the third electrode, wherein the second light-emitting layer overlaps with the third electrode through the third opening,

wherein the fourth electrode is over the second light-emitting layer,

wherein the second protective layer is over and in contact with the fourth electrode, wherein the second protective layer comprises a fourth opening overlapping with the second insulating layer, and

wherein the second conductive layer is connected to the fourth electrode through the fourth opening.