# US 11,307,442 B2 · Display module and display device

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 11,307,442 B2
- Document ID: US11307442B2
- Status: Granted
- Kind: B2
- Application number: 16/474,191
- Filed: 2019-01-22
- Published: 2021-10-28
- Granted: 2022-04-19
- Earliest claimed: 2018-04-25
- Assignees: Boe Technology Group Co., Ltd.
- Applicants: Boe Technology Group Co., Ltd.
- Inventors: Yongda Ma; Jianbo Xian; Yong Qiao
- Web page: https://patentgrep.com/patent/US11307442B2

## CPC

- G02F 1/133308: {Support structures for LCD panels, e.g. frames or bezels}
- G02F 1/133608: {including particular frames or supporting means}
- G02F 1/133796: {having conducting property}
- H05K 1/18: structurally associated with non-printed electric components (H05K1/16 takes precedence)
- G02F 1/133317: {Intermediate frames, e.g. between backlight housing and front frame}
- G02F 1/133334: {Electromagnetic shields}
- G02F 2202/16: conductive
- G02F 2202/28: Adhesive materials or arrangements
- H05K 2201/0311: Metallic part with specific elastic properties, e.g. bent piece of metal as electrical contact
- H05K 2201/10136: Liquid Crystal display [LCD]
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS

## Abstract

A display module includes: a backplate; a backlight module disposed on the backplate; a liquid crystal panel disposed on the backlight module; a frame configured to fix the liquid crystal panel; a circuit board disposed on the backplate; and a conductive part. The conductive part is connected with the backplate or the circuit board, the conductive part includes an elastic portion connected with the liquid crystal panel, and at least part of the elastic portion is located between the liquid crystal panel and the frame and is in a compression state. A display device is further disclosed.

## Claims

### Claim 1

A display module, comprising:
a backplate, comprising a bottom plate and a side plate connected with the bottom plate;
a backlight module, disposed on the backplate;
a liquid crystal panel, disposed on the backlight module;
a frame, configured to fix the liquid crystal panel;
a circuit board, disposed on the backplate;
a conductive part, wherein the conductive part is connected with at least one of the backplate or the circuit board, the conductive part comprises an elastic portion connected with the liquid crystal panel, and at least part of the elastic portion is located between the liquid crystal panel and the frame and is configured to be compressed by the frame; and
a plastic frame, comprising a first plastic frame portion and a second plastic frame portion, wherein the first plastic frame portion is configured to support the liquid crystal panel, and the second plastic frame portion is disposed between the frame and the side plate,
wherein the conductive part comprises a first conductive section and a second conductive section, the first conductive section is located between the frame and the first plastic frame portion, the elastic portion is disposed on the first conductive section, and the second conductive section is connected with the first conductive section, the second conductive section is connected with at least one of the side plate and the circuit board, and the second conductive section is located at least partially between the frame and the second plastic frame portion.

### Claim 2 (depends on 1)

The display module according to claim 1, wherein the elastic portion comprises a foam and a conductive layer covering the foam.

### Claim 3 (depends on 2)

The display module according to claim 2, wherein the foam comprises a conductive foam.

### Claim 4 (depends on 2)

The display module according to claim 2, wherein the conductive layer comprises a metal sheet or a metal wire braid layer.

### Claim 5 (depends on 2)

The display module according to claim 2, wherein the conductive layer is in non-adhesive contact with the liquid crystal panel.

### Claim 6 (depends on 1)

The display module according to claim 1, wherein the second conductive section is connected with at least one of the side plate and the circuit board across a lower edge of the second plastic frame portion.

### Claim 7 (depends on 1)

The display module according to claim 1, wherein the second conductive section is connected with the side plate through a connector, and the connector passes through the second conductive section and the second plastic frame to be connected with the side plate.

### Claim 8 (depends on 1)

The display module according to claim 1, wherein the second plastic frame portion has a through hole, and the second conductive section passes through the through hole to be connected with at least one of the side plate and the circuit board.

### Claim 9 (depends on 1)

The display module according to claim 1, wherein the first conductive section is disposed on a surface of the frame facing the bottom plate, and the second conductive section is disposed on a surface of the frame facing the second plastic frame portion.

### Claim 10 (depends on 1)

The display module according to claim 1, further comprising a conductive buffer part, the conductive buffer part being located between the liquid crystal panel and the elastic portion.

### Claim 11 (depends on 10)

The display module according to claim 10, wherein the conductive buffer part comprises a conductive foam tape.

### Claim 12

A display device, comprising a display module, the display module comprising:
a backplate, comprising a bottom plate and a side plate connected with the bottom plate;
a backlight module, disposed on the backplate;
a liquid crystal panel, disposed on the backlight module;
a frame, configured to fix the liquid crystal panel;
a circuit board, disposed on the backplate;
a conductive part, wherein the conductive part is connected with at least one of the backplate or the circuit board, the conductive part comprises an elastic portion connected with the liquid crystal panel, and at least part of the elastic portion is located between the liquid crystal panel and the frame and is configured to be compressed by the frame; and
a plastic frame, comprising a first plastic frame portion and a second plastic frame portion, wherein the first plastic frame portion is configured to support the liquid crystal panel, and the second plastic frame portion is disposed between the frame and the side plate,
wherein the conductive part comprises a first conductive section and a second conductive section, the first conductive section is located between the frame and the first plastic frame portion, the elastic portion is disposed on the first conductive section, and the second conductive section is connected with the first conductive section, the second conductive section is connected with at least one of the side olate and the circuit board, and the second conductive section is located at least partially between the frame and the second plastic frame portion.

### Claim 13 (depends on 3)

The display module according to claim 3, wherein the conductive layer comprises a metal sheet or a metal wire braid layer.

### Claim 14 (depends on 12)

The display module according to claim 12, wherein the second conductive section is connected with at least one of the side plate and the circuit board across a lower edge of the second plastic frame portion.

### Claim 15 (depends on 12)

The display module according to claim 12, wherein the second conductive section is connected with the side plate through a connector, and the connector passes through the second conductive section and the second plastic frame to be connected with the side plate.

### Claim 16 (depends on 12)

The display module according to claim 12, wherein the second plastic frame portion has a through hole, and the second conductive section passes through the through hole to be connected with at least one of the side plate and the circuit board.

### Claim 17 (depends on 12)

The display module according to claim 12, wherein the first conductive section is disposed on a surface of the frame facing the bottom plate, and the second conductive section is disposed on a surface of the frame facing the second plastic frame portion.

### Claim 18 (depends on 2)

The display module according to claim 2, further comprising a conductive buffer part, the conductive buffer part being located between the liquid crystal panel and the elastic portion.

### Claim 19

A display module, comprising:
a backplate, comprising a bottom plate and a side plate connected with the bottom plate;
a backlight module, disposed on the backplate;
a liquid crystal panel, disposed on the backlight module;
a frame, configured to fix the liquid crystal panel;
a circuit board, disposed on the backplate;
a conductive part, wherein the conductive part is connected with at least one of the backplate or the circuit board, the conductive part comprises an elastic portion connected with the liquid crystal panel, and at least part of the elastic portion is located between the liquid crystal panel and the frame and is configured to be compressed by the frame; and
a plastic frame, comprising a first plastic frame portion and a second plastic frame portion, wherein the first plastic frame portion is configured to support the liquid crystal panel, and the second plastic frame portion is disposed between the frame and the side plate.

### Claim 20 (depends on 19)

The display module according to claim 19, wherein the elastic portion comprises a foam and a conductive layer covering the foam.
