# US 2024/0206084 A1 · Display module and display device

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- Number: US 2024/0206084 A1
- Document ID: US20240206084A1
- Status: Published application
- Kind: A1
- Application number: 17/781,027
- Filed: 2021-04-13
- Published: 2024-06-20
- Earliest claimed: 2021-04-13
- Assignees: Chengdu Boe Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd.
- Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd.; BOE Technology Group Co., Ltd.
- Inventors: Zhihui WANG; Ren XIONG; Lei YANG; Fengping WU; Huiqiang SONG; Ce WANG
- Web page: https://patentgrep.com/patent/US20240206084A1

## CPC

- H10K 77/111: {Flexible substrates}
- G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable}
- 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)
- H05K 1/189: characterised by the use of flexible or folded printed circuits
- H05K 5/006: {characterized by features for holding the PCB within the housing}
- H05K 5/0069: {having connector relating features for connecting the connector pins with the PCB or for mounting the connector body with the housing}
- G06F 1/1662: {Details related to the integrated keyboard}
- H10K 2102/311: {Flexible OLED}
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS

## Abstract

A display module and a display device are disclosed. The display module includes a display substrate provided with a first edge; a circuit board arranged at the first edge of the display substrate and electrically connected with the display substrate; and a supporting plate arranged on the non-display surface of the display substrate; the supporting plate is able to be bent and includes a first part and a second part, and the second part is provided with a hollow opening; the display substrate is positioned on the first part and is fixedly connected with the first part; and the circuit board is positioned on the second part and is fixedly connected with the second part.

## Claims

### Claim 1

A display module, comprising:
a display substrate provided with a first edge;
a circuit board arranged at the first edge of the display substrate and electrically connected with the display substrate; and
a supporting plate arranged on a non-display surface of the display substrate; wherein the supporting plate is able to be bent and comprises a first part and a second part, and the second part is provided with a hollow opening;
wherein the display substrate is positioned on the first part and is fixedly connected with the first part; and the circuit board is positioned on the second part and is fixedly connected with the second part.

### Claim 2 (depends on 1)

The display module according to claim 1, wherein the circuit board comprises a soft part and a hard part, the hard part is arranged on a side, away from the display substrate, of the soft part in a direction parallel to the supporting plate, and the soft part is able to be bent; and
the second part of the supporting plate comprises a connecting part and a fixed part; the fixed part is arranged on a side, away from the first part, of the connecting part, and the connecting part is provided with the hollow opening; the soft part is arranged on the connecting part, and the hard part is arranged on the fixed part and fixedly connected with the fixed part.

### Claim 3 (depends on 2)

The display module according to claim 2, wherein the hard part is provided with first positioning holes; and
the fixed part of the supporting plate is provided with second positioning holes corresponding to the first positioning holes, and projections of the first positioning holes on a plane where the supporting plate is located are overlapped with the second positioning holes.

### Claim 4 (depends on 3)

The display module according to claim 3, wherein the hard part is in a strip shape and extends along the first edge of the display substrate; and
the hard part is provided with two first positioning holes, and the two first positioning holes are arranged at two ends of the hard part respectively.

### Claim 5 (depends on 3)

The display module according to claim 3, further comprising connectors, wherein the connectors are configured to penetrate through the first positioning holes and the second positioning holes to fix the hard part and the fixed part of the supporting plate.

### Claim 6 (depends on 2)

The display module according to claim 2, wherein a projection, on the plane where the supporting plate is located, of the hard part roughly coincides with the fixed part; and a distance between a projection of an edge of the hard part on the plane where the supporting plate is located and an edge of the fixed part closest to the edge of the hard part ranges from 0 mm to 0.5 mm.

### Claim 7 (depends on 6)

The display module according to claim 6, wherein the hard part comprises a second edge, and the second edge is close to the first edge of the display substrate; and
projections of edges, other than the second edge, in the hard part on the plane where the supporting plate is located are not overlapped with the fixed part.

### Claim 8 (depends on 1)

The display module according to claim 1, wherein a projection of the display substrate on the plane where the supporting plate is located roughly coincides with the first part; and a distance between a projection of each edge of the display substrate on the plane where the supporting plate is located and an edge of the first part closest to the each edge of the display substrate ranges from 0 mm to 0.5 mm.

### Claim 9 (depends on 8)

The display module according to claim 8, further comprising a cover plate arranged on a side, away from the supporting plate, of the display substrate, wherein the cover plate is made of a flexible material; and
projections of edges, other than an edge close to one side of the second part, in the first part on the plane where the display substrate is located are not overlapped with the display substrate.

### Claim 10 (depends on 2)

The display module according to claim 2, wherein a width of the connecting part and a width of the fixed part of the supporting plate are smaller than a width of the first part in an extending direction of the first edge of the display substrate.

### Claim 11 (depends on 10)

The display module according to claim 10, wherein the width of the connecting part of the supporting plate is identical to the width of the fixed part of the supporting plate in the extending direction of the first edge of the display substrate.

### Claim 12 (depends on 1)

The display module according to claim 1, wherein the hollow opening comprises at least two rows of through holes, each row of through holes are arranged in the extending direction of the first edge of the display substrate, and through holes in an odd number rows and through holes in an even number rows are at least partially staggered.

### Claim 13 (depends on 12)

The display module according to claim 12, wherein the through hole is a strip-shaped hole extending in the extending direction of the first edge.

### Claim 14 (depends on 1)

The display module according to claim 1, wherein the supporting plate is of an integrated structure.

### Claim 15 (depends on 1)

The display module according to claim 1, wherein the supporting plate is a stainless steel plate.

### Claim 16 (depends on 15)

The display module according to claim 15, wherein a thickness of the supporting plate ranges from 50 micrometers to 200 micrometers.

### Claim 17 (depends on 1)

The display module according to claim 1, wherein the display substrate is a flexible organic light emitting diode (OLED) substrate.

### Claim 18 (depends on 1)

A display device, comprising the display module claim 1.

### Claim 19 (depends on 18)

The display device according to claim 18, further comprising a keyboard assembly and a rotating shaft assembly, wherein:
the rotating shaft assembly is arranged at a first edge of the display substrate, and the keyboard assembly is connected with the display substrate through the rotating shaft assembly;
the circuit board and the second part of the supporting plate cross the rotating shaft assembly and extend into the keyboard assembly; and
the circuit board and the second part of the supporting plate are able to be bent around the rotating shaft assembly.