# US 10,770,522 B2 · EL device, manufacturing method for EL device, and manufacturing apparatus for EL device

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- Number: US 10,770,522 B2
- Document ID: US10770522B2
- Status: Granted
- Kind: B2
- Application number: 16/466,686
- Filed: 2017-07-10
- Published: 2019-11-28
- Granted: 2020-09-08
- Earliest claimed: 2017-07-10
- Assignees: Sharp Kabushiki Kaisha
- Applicants: Sharp Kabushiki Kaisha
- Inventors: Tetsuya Ueno
- Web page: https://patentgrep.com/patent/US10770522B2

## CPC

- H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
- G09F 9/30: in which the desired character or characters are formed by combining individual elements (panels comprising a number of electrodes in a single cell controlling light arriving from an independent light source, e.g. electro-optical or magneto-optical cell, G02F1/00)
- H05B 33/02: Details
- H05B 33/12: Light sources with substantially two-dimensional [2D] radiating surfaces
- H10F 39/12: Image sensors
- H10K 59/121: characterised by the geometry or disposition of pixel elements
- H10K 59/1213: {the pixel elements being TFTs}
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/1201: {Manufacture or treatment}
- H10K 59/8791: {Arrangements for improving contrast, e.g. preventing reflection of ambient light}
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

An EL device includes a display panel and an imaging element, and the display panel includes a panel substrate and an EL layer, and an imaging hole for guiding light from a subject to the imaging element is formed in the display area to straddle a plurality of scanning signal lines and a plurality of data signal lines when viewed from a direction perpendicular to a display area.

## Claims

### Claim 1

An EL device comprising:
a display panel configured to display an image on a display area in a display surface; and
an imaging element arranged on a side of a surface opposite to the display surface, the imaging element being configured to image a subject on a side of the display surface,
wherein the display panel includes
a panel substrate in which a plurality of scanning signal lines and a plurality of data signal lines intersecting with the plurality of scanning signal lines are formed, and
an EL layer formed on the panel substrate, the EL layer being configured to display the image based on scanning signals from the plurality of scanning signal lines and data signals from the plurality of data signal lines, and
an imaging hole formed in the display area straddles the plurality of scanning signal lines and the plurality of data signal lines in a case of being viewed from a direction perpendicular to the display surface, the imaging hole being configured to guide light from the subject to the imaging element.

### Claim 2 (depends on 1)

The EL device according to claim 1,
wherein the plurality of scanning signal lines and the plurality of data signal lines are formed of a transparent material, and
the light from the subject passes through the scanning signal lines and the data signal lines and enters the imaging element.

### Claim 3 (depends on 1)

The EL device according to claim 1,
wherein the panel substrate includes a transistor, and
the transistor is formed in an area excluding the imaging hole of the panel substrate.

### Claim 4 (depends on 1)

The EL device according to claim 1,
wherein the EL layer is formed in an area excluding the imaging hole.

### Claim 5 (depends on 1)

The EL device according to claim 1,
wherein the EL layer is formed in an area including the imaging hole.

### Claim 6

A manufacturing method for an EL device, comprising:
a display panel forming step for forming a display panel configured to display an image on a display area in a display surface; and
an imaging element arranging step for arranging an imaging element on a side of a surface opposite to the display surface, the imaging element being configured to image a subject on a side of the display surface,
wherein the display panel forming step includes
a panel substrate manufacturing step for manufacturing a panel substrate in which a plurality of scanning signal lines and a plurality of data signal lines intersecting with the plurality of scanning signal lines are formed,
an EL layer forming step for forming an EL layer on the panel substrate, the EL layer being configured to display the image based on scanning signals from the plurality of scanning signal lines and data signals from the plurality of data signal lines, and
an imaging hole forming step for forming an imaging hole, in the display area, that straddles the plurality of scanning signal lines and the plurality of data signal lines in a case of being viewed from a direction perpendicular to the display surface, the imaging hole being configured to guide light from the subject to the imaging element.

### Claim 7

A manufacturing apparatus for an EL device, comprising:
a display panel forming mechanism for forming a display panel configured to display an image on a display area in a display surface; and
an imaging element arranging mechanism for arranging an imaging element on a side of a surface opposite to the display surface, the imaging element being configured to image a subject on a side of the display surface;
wherein the display panel forming mechanism includes
a panel substrate manufacturing mechanism for manufacturing a panel substrate in which a plurality of scanning signal lines and a plurality of data signal lines intersecting with the plurality of scanning signal lines are formed,
an EL layer forming mechanism for forming an EL layer on the panel substrate, the EL layer being configured to display the image based on scanning signals from the plurality of scanning signal lines and data signals from the plurality of data signal lines, and
an imaging hole forming mechanism for forming an imaging hole, in the display area, that straddles the plurality of scanning signal lines and the plurality of data signal lines in a case of being viewed from a direction perpendicular to the display surface, the imaging hole being configured to guide light from the subject to the imaging element.
