Granted Patent B2

US 12,200,998 · App. 18/139,004 · Granted Jan 14, 2025

Inventors: Daiki Nakamura (Kanagawa, JP); Shingo Eguchi (Kanagawa, JP); Tomoya Aoyama (Kanagawa, JP); Nozomu Sugisawa (Kanagawa, JP); Junya Maruyama (Kanagawa, JP); Kazuhiko Fujita (Kanagawa, JP); Masataka Sato (Tochigi, JP); Susumu Kawashima (Kanagawa, JP)

Assignee: Semiconductor Energy Laboratory Co., Ltd.

H10K59/353G06F1/1624G06F1/1652G06F1/1681H10K59/131H10K59/352H10K77/111H10K50/14H10K50/15H10K50/16H10K50/17H10K50/171H10K50/18H10K50/814H10K50/818H10K50/844H10K50/856

Abstract

Claims (38)

1. A display panel comprising:

a first pixel electrode;

a second pixel electrode;

a third pixel electrode;

a first light-emitting layer;

a second light-emitting layer;

a common electrode; and

an auxiliary wiring,

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

wherein the second light-emitting layer is positioned over the third pixel electrode,

wherein the first light-emitting layer is configured to emit light of a color identical to a color of light emitted from the second light-emitting layer, and

wherein the common electrode overlaps with the first pixel electrode with the first light-emitting layer between the common electrode and the first pixel electrode, overlaps with the second pixel electrode with the first light-emitting layer between the common electrode and the second pixel electrode, overlaps with the third pixel electrode with the second light-emitting layer between the common electrode and the third pixel electrode, and is in contact with part of a top surface of the auxiliary wiring.

2. The display panel according to claim 1 ,

wherein the first light-emitting layer is in contact with the second light-emitting layer.

3. The display panel according to claim 1 ,

wherein the first light-emitting layer overlaps with the second light-emitting layer.

4. The display panel according to claim 1 ,

wherein the first light-emitting layer and the second light-emitting layer are configured to emit white light.

5. The display panel according to claim 1 ,

wherein the first pixel electrode, the second pixel electrode, and the third pixel electrode each comprise a reflective electrode and a transparent electrode over the reflective electrode.

6. The display panel according to claim 1 ,

wherein the common electrode has both a visible-light-transmitting property and a visible-light-reflective property.

7. The display panel according to claim 1 ,

wherein the auxiliary wiring does not overlap with the first pixel electrode, the second pixel electrode, or the third pixel electrode.

8. A display module comprising:

the display panel according to claim 1 ; and

at least one of a connector and an integrated circuit.

9. A display device comprising:

a first display panel; and

a second display panel,

wherein the first display panel and the second display panel are each the display panel according to claim 1 ,

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, and

wherein the first display region overlaps with the visible-light-transmitting region.

10. An electronic device comprising:

the display device according to claim 9 ; and

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

Priority Claims (2)

Continuity (2)

References Cited (83)