# US 12,765,222 B2 · Display apparatus and electronic device

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- Number: US 12,765,222 B2
- Document ID: US12765222B2
- Status: Granted
- Kind: B2
- Application number: 18/704,237
- Filed: 2022-10-31
- Published: 2025-01-30
- Granted: 2026-10-13
- Earliest claimed: 2021-11-12
- Assignees: Semiconductor Energy Laboratory Co., Ltd.
- Applicants: Semiconductor Energy Laboratory Co., Ltd.
- Inventors: Munehiro Kozuma; Tatsuya Onuki; Hidetomo Kobayashi; Yuki Okamoto
- Web page: https://patentgrep.com/patent/US12765222B2

## CPC

- H10K 59/65: OLEDs integrated with inorganic image sensors
- G02B 27/0172: {characterised by optical features}
- H10K 50/19: Tandem OLEDs
- H10K 59/1213: {the pixel elements being TFTs}
- H10K 59/1315: {comprising structures specially adapted for lowering the resistance}
- G02B 2027/0178: {Eyeglass type (eyeglass details G02C)}
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

An object of the present invention is to provide a display apparatus that reduces the amount of image data transmitted and maintains high-level display quality, which is a display apparatus (Dp) including a display portion (DIS), a light-emitting portion (SHB), and a light-receiving portion (SJB). The display portion includes a first display region (ALP) and a first circuit region that overlap with each other. The first display region includes a plurality of first display pixels and the first circuit region includes a first driver circuit (DRV). The first driver circuit is electrically connected to the plurality of first display pixels through a plurality of first wirings extended in the first display region. The light-emitting portion has a function of emitting first light, and the light-receiving portion has a function of receiving second light that is reflected by irradiation of an object with the first light and a function of generating information based on the second light. The first driver circuit has a function of, in accordance with the information, one of transmitting a plurality of image signals to the plurality of first wirings and transmitting the same image signal to two or more consecutive adjacent wirings among the plurality of first wirings.

## Claims

### Claim 1

A display apparatus comprising:
a display portion;
a light-emitting portion;
a light-receiving portion; and
a control portion,
wherein the display portion comprises a first display region and a first circuit region,
wherein the first display region and the first circuit region overlap with each other,
wherein the first display region comprises a plurality of display pixels comprising a first display pixel and a second display pixel,
wherein the first circuit region comprises a first driver circuit,
wherein the first driver circuit is electrically connected to a first wiring and a second wiring which are extended in the first display region,
wherein the first display pixel and the second display pixel are electrically connected to the first wiring and the second wiring, respectively,
wherein the light-receiving portion is electrically connected to the control portion,
wherein the control portion is electrically connected to the first driver circuit,
wherein the light-emitting portion is configured to emit first light,
wherein the light-receiving portion is configured to detect second light that is reflected by irradiation of an object with the first light and configured to generate information based on the second light and transmit the information to the control portion,
wherein the control portion is configured to generate a first signal based on the information and transmit the first signal to the first driver circuit, and
wherein the first driver circuit is configured to perform, in accordance with the first signal, one of transmission of image signals to the first wiring and the second wiring, respectively, and transmission of the same image signal to the first wiring and the second wiring which are consecutive adjacent to each other.

### Claim 2 (depends on 1)

The display apparatus according to claim 1,
wherein the display portion further comprises a second display region and a second circuit region,
wherein the second display region and the second circuit region overlap with each other,
wherein the second display region comprises a plurality of display pixels comprising a third display pixel and a fourth display pixel,
wherein the second circuit region comprises a second driver circuit,
wherein the second driver circuit is electrically connected to a third wiring and a fourth wiring which are extended in the second display region,
wherein the third display pixel and the fourth display pixel are electrically connected to the third wiring and the fourth wiring, respectively,
wherein the control portion is electrically connected to the second driver circuit,
wherein the control portion is configured to generate a second signal based on the information and transmitting transmit the second signal to the second driver circuit,
wherein the second driver circuit is configured to perform, in accordance with the second signal, one of transmission of image signals to the third wiring and the fourth wiring, respectively, and transmission of the same image signal to the third wiring and the fourth wiring which are consecutive adjacent to each other, and
wherein the number of display pixels to which one image signal is written in the first display region is different from the number of display pixels to which one image signal transmitted to the second display region is written in the second display region.

### Claim 3 (depends on 1)

The display apparatus according to claim 1,
wherein the first driver circuit comprises a transistor comprising silicon in a channel formation region, and
wherein each of the plurality of display pixels in the first display region comprises a transistor comprising a metal oxide in a channel formation region.

### Claim 4 (depends on 1)

The display apparatus according to claim 1,
wherein each of the plurality of display pixels in the first display region comprises a light-emitting device comprising an organic EL material.

### Claim 5 (depends on 1)

The display apparatus according to claim 1,
wherein the first light and the second light are visible light, or the first light and the second light are infrared rays.

### Claim 6 (depends on 1)

An electronic device comprising the display apparatus according to claim 1, and a housing,
wherein the housing is shaped to be capable of being worn on a head of a user.

### Claim 7

A display apparatus comprises:
a display portion;
a light-emitting portion;
a light-receiving portion; and
a control portion,
wherein the display portion comprises a first display region and a first circuit region,
wherein the first display region and the first circuit region overlap with each other,
wherein the first display region comprises a plurality of display pixels comprising a first display pixel and a second display pixel,
wherein the first circuit region comprises a first driver circuit,
wherein the first driver circuit is electrically connected to a first wiring and a second wiring which are extended in the first display region,
wherein the first display pixel and the second display pixel are electrically connected to the first wiring and the second wiring, respectively,
wherein the light-receiving portion is electrically connected to the control portion,
wherein the control portion is electrically connected to the first driver circuit,
wherein the light-emitting portion is configured to emit first light,
wherein the light-receiving portion is configured to detect second light that is reflected by irradiation of an object with the first light and configured to generate information based on the second light and transmit the information to the control portion,
wherein the control portion is configured to generate a first signal based on the information and transmit the first signal to the first driver circuit, and
wherein the first driver circuit is configured to transmit an image signal to each of the first wiring and the second wiring at a first frame frequency corresponding to the first signal.

### Claim 8 (depends on 7)

The display apparatus according to claim 7,
wherein the display portion further comprises a second display region and a second circuit region,
wherein the second display region and the second circuit region overlap with each other,
wherein the second display region comprises a plurality of display pixels comprising a third display pixel and a fourth display pixel,
wherein the second circuit region comprises a second driver circuit,
wherein the second driver circuit is electrically connected to a third wiring and a fourth wiring which are extended in the second display region,
wherein the third display pixel and the fourth display pixel are electrically connected to the third wiring and the fourth wiring, respectively,
wherein the control portion is electrically connected to the second driver circuit,
wherein the light-emitting portion is configured to emit second light,
wherein the control portion is configured to generate a second signal based on the information and transmit the second signal to the second driver circuit,
wherein the second driver circuit is configured to transmit an image signal to each of the third wiring and the fourth wiring at a second frame frequency corresponding to the second signal, and
wherein the first frame frequency is different from the second frame frequency.

### Claim 9 (depends on 7)

The display apparatus according to claim 7,
wherein the first driver circuit comprises a transistor comprising silicon in a channel formation region, and
wherein each of the plurality of display pixels in the first display region comprises a transistor comprising a metal oxide in a channel formation region.

### Claim 10 (depends on 7)

The display apparatus according to claim 7,
wherein each of the plurality of display pixels in the first display region comprises a light-emitting device comprising an organic EL material.

### Claim 11 (depends on 7)

The display apparatus according to claim 7,
wherein the first light and the second light are visible light, or the first light and the second light are infrared rays.

### Claim 12 (depends on 7)

An electronic device comprising the display apparatus according to claim 7, and a housing,
wherein the housing is shaped to be capable of being worn on a head of a user.