# US 12,183,287 B2 · Semiconductor device, display apparatus, and electronic device

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- Number: US 12,183,287 B2
- Document ID: US12183287B2
- Status: Granted
- Kind: B2
- Application number: 18/560,718
- Filed: 2022-05-17
- Published: 2024-08-01
- Granted: 2024-12-31
- Earliest claimed: 2021-05-27
- Assignees: Semiconductor Energy Laboratory Co., Ltd.
- Applicants: Semiconductor Energy Laboratory Co., Ltd.
- Inventors: Yuto Yakubo; Kouhei Toyotaka; Seiko Inoue; Yoshiyuki Kurokawa
- Web page: https://patentgrep.com/patent/US12183287B2

## CPC

- G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element
- G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters}
- G09G 3/32: semiconductive, e.g. using light-emitting diodes [LED]
- H10D 30/021: {of FETs having insulated gates [IGFET]}
- H10D 30/67: Thin-film transistors [TFT] {(Stacked nanowire, nanosheet or nanoribbon FETs H10D30/501)}
- H10D 84/00: Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D 84/0126: {the components including insulated gates, e.g. IGFETs}
- H10D 84/038: {using silicon technology, e.g. SiGe}
- H10D 84/83: of only insulated-gate FETs [IGFET]
- G09G 2310/08: Details of timing specific for flat panels, other than clock recovery
- G09G 2330/021: Power management, e.g. power saving
- G09G 2360/14: Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES

## Abstract

A semiconductor device including a display pixel circuit and an imaging pixel circuit is provided. The semiconductor device includes first and second circuits; the first circuit includes a light-emitting device; and the second circuit includes a light-receiving device, first to fifth transistors, and a first capacitor. The light-receiving device includes first and second terminals, and the light-emitting device includes third and fourth terminals. A first terminal of the first transistor is electrically connected to a first terminal of the second transistor, and a gate of the second transistor is electrically connected to a first terminal of the third transistor and a first terminal of the first capacitor. A second terminal of the first capacitor is electrically connected to a first terminal of the fourth transistor and a first terminal of the fifth transistor. A second terminal of the fifth transistor is electrically connected to the first terminal of the light-receiving device, the second terminal of the light-receiving device is electrically connected to the third terminal of the light-emitting device, and the fourth terminal of the light-emitting device is electrically connected to a wiring.

## Claims

### Claim 1

A semiconductor device comprising:
a first circuit; and
a second circuit,
wherein the first circuit comprises a light-emitting device,
wherein the second circuit comprises a light-receiving device, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, and a first capacitor,
wherein the light-receiving device comprises a first terminal and a second terminal,
wherein the light-emitting device comprises a third terminal and a fourth terminal,
wherein one of a source and a drain of the first transistor is electrically connected to one of a source and a drain of the second transistor,
wherein a gate of the second transistor is electrically connected to one of a source and a drain of the third transistor and one terminal of the first capacitor,
wherein the other terminal of the first capacitor is electrically connected to one of a source and a drain of the fourth transistor and one of a source and a drain of the fifth transistor,
wherein the other of the source and the drain of the fifth transistor is electrically connected to the first terminal of the light-receiving device,
wherein the second terminal of the light-receiving device is electrically connected to the third terminal of the light-emitting device,
wherein the fourth terminal of the light-emitting device is electrically connected to a first wiring, and
wherein the first wiring is configured to supply a potential to the fourth terminal of the light-emitting device.

### Claim 2 (depends on 1)

The semiconductor device according to claim 1, wherein a gate of the third transistor is electrically connected to a gate of the fourth transistor.

### Claim 3 (depends on 1)

The semiconductor device according to claim 1,
wherein the first circuit comprises a sixth transistor and a seventh transistor,
wherein one of a source and a drain of the seventh transistor is directly electrically connected to the fourth terminal of the light-emitting device,
wherein the other of the source and the drain of the seventh transistor is directly electrically connected to the first wiring, and
wherein one of a source and a drain of the sixth transistor is electrically connected to a gate of the seventh transistor.

### Claim 4 (depends on 3)

A display apparatus comprising:
the semiconductor device according to claim 3;
a first driver circuit;
a second driver circuit;
a second wiring; and
a third wiring,
wherein the first driver circuit is electrically connected to a gate of the sixth transistor through the second wiring,
wherein the second driver circuit is electrically connected to the other of the source and the drain of the seventh transistor through the third wiring,
wherein the first driver circuit is configured to transmit a selection signal to the second wiring, and
wherein the second driver circuit is configured to transmit an image data signal to the third wiring.

### Claim 5 (depends on 4)

An electronic device comprising:
the display apparatus according to claim 4; and
a housing.

### Claim 6

A semiconductor device comprising:
a first circuit; and
a second circuit,
wherein the first circuit comprises a first light-receiving device, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor and a first capacitor,
wherein the second circuit comprises a second light-receiving device, a seventh transistor, an eighth transistor, a ninth transistor, a tenth transistor, an eleventh transistor, twelfth transistor and a second capacitor,
wherein the first light-receiving device comprises a first terminal and a second terminal,
wherein the second light-receiving device comprises a third terminal and a fourth terminal,
wherein one of a source and a drain of the first transistor is electrically connected to one of a source and a drain of the second transistor,
wherein a gate of the second transistor is electrically connected to one of a source and a drain of the third transistor and one terminal of the first capacitor,
wherein the other terminal of the first capacitor is electrically connected to one of a source and a drain of the fourth transistor, one of a source and a drain of the fifth transistor, one of a source and a drain of the sixth transistor, and one of a source and a drain of the twelfth transistor,
wherein the other of the source and the drain of the fifth transistor is electrically connected to the other of the source and the drain of the sixth transistor and the first terminal of the first light-receiving device,
wherein one of a source and a drain of the seventh transistor is electrically connected to one of a source and a drain of the eighth transistor,
wherein a gate of the eighth transistor is electrically connected to one of a source and a drain of the ninth transistor and one terminal of the second capacitor,
wherein the other terminal of the second capacitor is electrically connected to one of a source and a drain of the tenth transistor and one of a source and a drain of the eleventh transistor,
wherein the other of the source and the drain of the eleventh transistor is electrically connected to the other of the source and the drain of the twelfth transistor and the third terminal of the second light-receiving device, and
wherein the second terminal of the first light-receiving device is electrically connected to the fourth terminal of the second light-receiving device.

### Claim 7 (depends on 6)

The semiconductor device according to claim 6,
wherein a gate of the third transistor is electrically connected to a gate of the ninth transistor,
wherein a gate of the fourth transistor is electrically connected to a gate of the tenth transistor,
wherein a gate of the fifth transistor is electrically connected to a gate of the eleventh transistor, and
wherein a gate of the sixth transistor is electrically connected to a gate of the twelfth transistor.

### Claim 8 (depends on 7)

The semiconductor device according to claim 7, wherein the other of the source and the drain of the first transistor is electrically connected to the other of the source and the drain of the seventh transistor.

### Claim 9 (depends on 8)

The semiconductor device according to claim 8, further comprising a third circuit,
wherein the third circuit comprises a light-emitting device,
wherein the light-emitting device comprises a fifth terminal and a fourth sixth terminal,
wherein the fifth terminal of the light-emitting device is electrically connected to the second terminal of the first light-receiving device and the fourth terminal of the second light-receiving device,
wherein the sixth terminal of the light-emitting device is electrically connected to a first wiring, and
wherein the first wiring is configured to supply a potential to the sixth terminal of the light-emitting device.

### Claim 10 (depends on 8)

The semiconductor device according to claim 8, further comprising a third circuit,
wherein the third circuit comprises a light-emitting device, a thirteenth transistor and a fourteenth transistor,
wherein the light-emitting device comprises a fifth terminal and a sixth terminal,
wherein the fifth terminal of the light-emitting device is electrically connected to the second terminal of the first light-receiving device and the fourth terminal of the second light-receiving device,
wherein one of a source and a drain of the fourteenth transistor is electrically connected to the sixth terminal of the light-emitting device,
wherein the other of the source and the drain of the fourteenth transistor is electrically connected to a first wiring,
wherein one of a source and a drain of the thirteenth transistor is electrically connected to a gate of the fourteenth transistor, and
wherein the first wiring is configured to supply a potential to the other of the source and the drain of the seventh fourteenth transistor.

### Claim 11

A semiconductor device comprising:
a first circuit; and
a second circuit,
wherein the first circuit comprises a first light-receiving device, a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor and a first capacitor,
wherein the second circuit comprises a second light-receiving device, a seventh transistor, an eighth transistor, a ninth transistor, a tenth transistor, an eleventh transistor, a twelfth transistor and a second capacitor,
wherein the first circuit further comprises a thirteenth transistor,
wherein the first light-receiving device comprises a first terminal and a second terminal,
wherein the second light-receiving device comprises a third terminal and a fourth terminal,
wherein one of a source and a drain of the first transistor is electrically connected to one of a source and a drain of the second transistor,
wherein a gate of the second transistor is electrically connected to one of a source and a drain of the third transistor and one terminal of the first capacitor,
wherein the other terminal of the first capacitor is electrically connected to one of a source and a drain of the fourth transistor, one of a source and a drain of the fifth transistor, one of a source and a drain of the sixth transistor, and one of a source and a drain of the thirteenth transistor,
wherein the other of the source and the drain of the thirteenth transistor is electrically connected to one of a source and a drain of the twelfth transistor,
wherein a gate of the thirteenth transistor is electrically connected to a gate of the sixth transistor,
wherein the other of the source and the drain of the fifth transistor is electrically connected to the other of the source and the drain of the sixth transistor and the first terminal of the first light-receiving device,
wherein one of a source and a drain of the seventh transistor is electrically connected to one of a source and a drain of the eighth transistor,
wherein a gate of the eighth transistor is electrically connected to one of a source and a drain of the ninth transistor and one terminal of the second capacitor,
wherein the other terminal of the second capacitor is electrically connected to one of a source and a drain of the tenth transistor and one of a source and a drain of the eleventh transistor,
wherein the other of the source and the drain of the eleventh transistor is electrically connected to the other of the source and the drain of the twelfth transistor and the third terminal of the second light-receiving device, and
wherein the second terminal of the first light-receiving device is electrically connected to the fourth terminal of the second light-receiving device.

### Claim 12 (depends on 11)

The semiconductor device according to claim 11,
wherein a gate of the third transistor is electrically connected to a gate of the ninth transistor,
wherein a gate of the fourth transistor is electrically connected to a gate of the tenth transistor,
wherein a gate of the fifth transistor is electrically connected to a gate of the eleventh transistor, and
wherein the gate of the sixth transistor is electrically connected to a gate of the twelfth transistor.

### Claim 13 (depends on 12)

The semiconductor device according to claim 12, wherein the other of the source and the drain of the first transistor is electrically connected to the other of the source and the drain of the seventh transistor.

### Claim 14 (depends on 13)

The semiconductor device according to claim 13, further comprising a third circuit,
wherein the third circuit comprises a light-emitting device,
wherein the light-emitting device comprises a fifth terminal and a sixth terminal,
wherein the fifth terminal of the light-emitting device is electrically connected to the second terminal of the first light-receiving device and the fourth terminal of the second light-receiving device,
wherein the sixth terminal of the light-emitting device is electrically connected to a first wiring, and
wherein the first wiring is configured to supply a potential to the sixth terminal of the light-emitting device.

### Claim 15 (depends on 13)

The semiconductor device according to claim 13, further comprising a third circuit,
wherein the third circuit comprises a light-emitting device, a fourteenth transistor and a fifteenth transistor,
wherein the light-emitting device comprises a fifth terminal and a sixth terminal,
wherein the fifth terminal of the light-emitting device is electrically connected to the second terminal of the first light-receiving device and the fourth terminal of the second light-receiving device,
wherein one of a source and a drain of the fifteenth transistor is electrically connected to the sixth terminal of the light-emitting device,
wherein the other of the source and the drain of the fifteenth transistor is electrically connected to a first wiring,
wherein one of a source and a drain of the fourteenth transistor is electrically connected to a gate of the fifteenth transistor, and
wherein the first wiring is configured to supply a potential to the other of the source and the drain of the fifteenth transistor.

### Claim 16 (depends on 10)

A display apparatus comprising:
the semiconductor device according to claim 10;
a first driver circuit;
a second driver circuit;
a second wiring; and
a third wiring,
wherein the first driver circuit is electrically connected to a gate of the thirteenth transistor through the second wiring,
wherein the second driver circuit is electrically connected to the other of the source and the drain of the thirteenth transistor through the third wiring,
wherein the first driver circuit is configured to transmit a selection signal to the second wiring, and
wherein the second driver circuit is configured to transmit an image data signal to the third wiring.

### Claim 17 (depends on 16)

An electronic device comprising:
the display apparatus according to claim 16; and
a housing.
