Granted Patent B2

US 12,666,843 · App. 18/273,084 · Granted Jun 23, 2026

Inventors: Shunpei Yamazaki (Setagaya, JP); Kenichi Okazaki (Atsugi, JP); Koji Kusunoki (Isehara, JP); Shingo Eguchi (Atsugi, JP); Daisuke Kubota (Atsugi, JP); Yasuhiro Niikura (Komae, JP)

Assignee: Semiconductor Energy Laboratory Co., Ltd.

H10K59/40G06V40/1318H10K71/60H10K59/871H10K59/873

Abstract

Claims (82)

1 . A display apparatus comprising a first pixel,

wherein the first pixel comprises a first light-emitting device, a second light-emitting device, a first light-receiving device, and a second light-receiving device over a layer including a transistor,

wherein the first light-emitting device comprises a first pixel electrode and a common electrode over the first pixel electrode,

wherein the second light-emitting device comprises a second pixel electrode and the common electrode over the second pixel electrode,

wherein the first light-receiving device comprises a third pixel electrode and the common electrode over the third pixel electrode,

wherein the second light-receiving device comprises a fourth pixel electrode and the common electrode over the fourth pixel electrode,

wherein each of the first pixel electrode, the second pixel electrode, the third pixel electrode, and the fourth pixel electrode is in direct contact with an upper surface of the layer including the transistor,

wherein the first light-emitting device and the second light-emitting device are configured to emit visible light with different wavelengths,

wherein the first light-receiving device is configured to sense light emitted from the first light-emitting device, and

wherein the second light-receiving device is configured to sense infrared light.

2 . The display apparatus according to claim 1 ,

wherein an area of a light-receiving region of the first light-receiving device is smaller than an area of a light-receiving region of the second light-receiving device.

3 . The display apparatus according to claim 1 ,

wherein the second light-receiving device is configured to sense an object that is not touching the display apparatus.

4 . The display apparatus according to claim 1 , further comprising a second pixel,

wherein the second pixel comprises the first light-emitting device, the second light-emitting device, the first light-receiving device, and a sensor device.

5 . An electronic device comprising the display apparatus according to claim 4 ,

wherein the electronic device is configured to measure, with the sensor device, at least one of force, displacement, position, speed, acceleration, angular velocity, rotational frequency, distance, magnetism, temperature, chemical substance, time, hardness, electric field, electric current, voltage, electric power, radiation, flow rate, humidity, gradient, oscillation, odor, physical condition, pulse, body temperature, and blood oxygen level.

6 . The display apparatus according to claim 1 , further comprising a second pixel,

wherein the second pixel comprises the first light-emitting device, the second light-emitting device, a fourth light-emitting device, and the first light-receiving device, and

wherein the fourth light-emitting device is configured to emit infrared light.

7 . An electronic device comprising:

the display apparatus according to claim 1 ;

a fourth light-emitting device; and

a housing,

wherein the fourth light-emitting device is configured to emit infrared light.

8 . The electronic device according to claim 7 ,

wherein the fourth light-emitting device emits light to the outside of the electronic device through the display apparatus.

9 . A display module comprising:

the display apparatus according to claim 1 ; and

at least one of a connector and an integrated circuit.

10 . An electronic device comprising:

the display module according to claim 9 ; and

at least one of a housing, a battery, a camera, a speaker, and a microphone.

11 . A display apparatus comprising a first pixel,

wherein the first pixel comprises a first light-emitting device, a second light-emitting device, a third light-emitting device, a first light-receiving device, and a second light-receiving device over a layer including a transistor,

wherein the first light-emitting device comprises a first pixel electrode and a common electrode over the first pixel electrode,

wherein the second light-emitting device comprises a second pixel electrode and the common electrode over the second pixel electrode,

wherein the third light-emitting device comprises a third pixel electrode and the common electrode over the third pixel electrode,

wherein the first light-receiving device comprises a fourth pixel electrode and the common electrode over the fourth pixel electrode,

wherein the second light-receiving device comprises a fifth pixel electrode and the common electrode over the fifth pixel electrode,

wherein each of the first pixel electrode, the second pixel electrode, the third pixel electrode, the fourth pixel electrode, and the fifth pixel electrode is in direct contact with an upper surface of the layer including the transistor,

wherein the first light-emitting device is configured to emit red light,

wherein the second light-emitting device is configured to emit green light,

wherein the third light-emitting device is configured to emit blue light,

wherein the first light-receiving device is configured to sense light emitted from at least one of the first light-emitting device, the second light-emitting device, and the third light-emitting device, and

wherein the second light-receiving device is configured to sense infrared light.

12 . The display apparatus according to claim 11 ,

wherein an area of a light-receiving region of the first light-receiving device is smaller than an area of a light-receiving region of the second light-receiving device.

13 . The display apparatus according to claim 11 ,

wherein the second light-receiving device is configured to sense an object that is not touching the display apparatus.

14 . The display apparatus according to claim 11 , further comprising a second pixel,

wherein the second pixel comprises the first light-emitting device, the second light-emitting device, the first light-receiving device, and a sensor device.

15 . An electronic device comprising the display apparatus according to claim 14 ,

wherein the electronic device is configured to measure, with the sensor device, at least one of force, displacement, position, speed, acceleration, angular velocity, rotational frequency, distance, magnetism, temperature, chemical substance, time, hardness, electric field, electric current, voltage, electric power, radiation, flow rate, humidity, gradient, oscillation, odor, physical condition, pulse, body temperature, and blood oxygen level.

16 . The display apparatus according to claim 11 , further comprising a second pixel,

wherein the second pixel comprises the first light-emitting device, the second light-emitting device, a fourth light-emitting device, and the first light-receiving device, and

wherein the fourth light-emitting device is configured to emit infrared light.

17 . An electronic device comprising:

the display apparatus according to claim 11 ;

a fourth light-emitting device; and

a housing,

wherein the fourth light-emitting device is configured to emit infrared light.

18 . The electronic device according to claim 17 ,

wherein the fourth light-emitting device emits light to the outside of the electronic device through the display apparatus.

19 . A method for manufacturing a display apparatus, comprising:

forming a first pixel electrode, a second pixel electrode, and a third pixel electrode;

forming a first layer comprising a light-emitting layer over the first pixel electrode, the second pixel electrode, and the third pixel electrode;

forming a first sacrificial layer over the first layer;

processing the first layer and the first sacrificial layer so that the second pixel electrode and the third pixel electrode are exposed;

forming a second layer comprising a first active layer over the first pixel electrode, the second pixel electrode, and the third pixel electrode;

forming a second sacrificial layer over the second layer;

processing the second layer and the second sacrificial layer so that the first sacrificial layer and the third pixel electrode are exposed;

forming a third layer comprising a second active layer over the first pixel electrode, the second pixel electrode, and the third pixel electrode;

forming a third sacrificial layer over the third layer;

processing the third layer and the third sacrificial layer so that the first sacrificial layer and the second sacrificial layer are exposed;

removing the first sacrificial layer, the second sacrificial layer, and the third sacrificial layer; and

forming a common electrode over the first layer, the second layer, and the third layer.

20 . The method for manufacturing a display apparatus, according to claim 19 ,

wherein after the removal of the first sacrificial layer, the second sacrificial layer, and the third sacrificial layer, a fourth layer is formed over the first layer, the second layer, and the third layer, and the common electrode is formed over the fourth layer.

21 . The method for manufacturing a display apparatus, according to claim 19 ,

wherein a protective layer is formed over the common electrode.

Assignments (1)

Priority Claims (2)

Continuity (1)

References Cited (128)