# US 12,601,859 B2 · Display assembly including a bonding member and seal space, display device and assembly method therefor

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- Number: US 12,601,859 B2
- Document ID: US12601859B2
- Status: Granted
- Kind: B2
- Application number: 17/430,821
- Filed: 2019-12-19
- Published: 2022-05-26
- Granted: 2026-04-14
- Earliest claimed: 2019-02-19
- Assignees: Guangzhou Shiyuan Electronics Co., Ltd.; Guangzhou Shirui Electronics Co., Ltd.
- Applicants: Guangzhou Shiyuan Electronics Co., Ltd.; Guangzhou Shirui Electronics Co., Ltd.
- Inventors: Kesong Zhou; Heng Yu
- Web page: https://patentgrep.com/patent/US12601859B2

## CPC

- G02B 1/14: Protective coatings, e.g. hard coatings
- G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G02B 5/3025: {Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state (G02B5/3008, G02B5/3016 take precedence)}
- G02F 1/133331: {Cover glasses}
- G06F 1/1601: {Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays (constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64)}
- G02F 1/1339: Gaskets; Spacers; Sealing of cells
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- 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

## Abstract

A display assembly includes a display panel, a transparent protective layer, and bonding member, in which the bonding member is arranged around an edge of the display panel, one surface of the bonding member is fixedly connected with the display panel, another surface of the bonding member is fixedly connected with the transparent protective layer, the display panel and the transparent protective layer are formed with a bonding area and a gap area, the gap area surrounds the bonding area, and the bonding member surrounds the gap area.

## Claims

### Claim 1

A display assembly, comprising: a display panel; a transparent protective layer; and a bonding member, wherein the bonding member is arranged around an edge of the display panel, one surface of the bonding member is fixedly connected with the display panel, another surface of the bonding member is fixedly connected with the transparent protective layer, the display panel and the transparent protective layer form a sealed space including a bonding area and a gap area, the transparent protective layer is formed with a bending portion at transition between the gap area and the bonding area, the bonding area is in a vacuum state, the gap area surrounds the bonding area, and the bonding member surrounds the gap area, wherein a distance between the transparent protective layer and the display panel is less than 0.01 mm in the bonding area, and a distance between the transparent protective layer and the display panel is more than 0.01 mm in the gap area.

### Claim 2 (depends on 1)

The display assembly according to claim 1, wherein the bonding area is formed by adsorption between the display panel and the transparent protective layer.

### Claim 3 (depends on 2)

The display assembly according to claim 2, wherein the bonding area is formed by at least one of electrostatic adsorption or polar adsorption between the display panel and the transparent protective layer.

### Claim 4 (depends on 1)

The display assembly according to claim 1, wherein a distance between the display panel and the transparent protective layer is zero at the bonding area.

### Claim 5 (depends on 1)

The display assembly according to claim 1, wherein the bonding member comprises a bonding strip, and a thickness of the bonding strip in a bonding state is in a range of 0.3 mm to 1 mm.

### Claim 6 (depends on 1)

The display assembly according to claim 1, wherein the transparent protective layer comprises a glass screen, an insulation point is provided at a part of the glass screen corresponding to the bonding area.

### Claim 7 (depends on 1)

The display assembly according to claim 1, wherein the transparent protective layer comprises a glass screen, one surface of the glass screen facing the display panel comprises a smooth surface.

### Claim 8 (depends on 1)

The display assembly according to claim 1, wherein the bonding member is fixedly connected with the transparent protective layer and the display panel to form a first fixed connection portion, the transparent protective layer and the display panel form a second fixed connection portion in the bonding area, the transparent protective layer comprises a glass screen, and the glass screen and the display panel are connected by the first fixed connection portion and the second fixed connection portion.

### Claim 9 (depends on 2)

The display assembly according to claim 2, wherein an adsorption force of the display panel and the transparent protective layer is balanced with a tension of air entering the sealed space, and the bonding area remains stable.

### Claim 10

A display assembly, comprising a display panel; a transparent protective layer; and a bonding member, wherein the bonding member is arranged around an edge of the display panel, one surface of the bonding member is fixedly connected with the display panel, another surface of the bonding member is fixedly connected with the transparent protective layer, and wherein the bonding member, the display panel and the transparent protective layer form a sealed space, and in the sealed space, the display panel and the transparent protective layer are mutually adsorbed, wherein the sealed space comprises a bonding area and a gap area, the transparent protective layer is formed with a bending portion at transition between the gap area and the bonding area, the bonding area is in a vacuum state, the gap area surrounds the bonding area, a distance between the transparent protective layer and the display panel is less than 0.01 mm in the bonding area, and a distance between the transparent protective layer and the display panel is more than 0.01 mm in the gap area.

### Claim 11

A display assembly, comprising a display panel; a transparent protective layer; and a bonding member, wherein the bonding member is arranged between the transparent protective layer and an edge of the display panel, and at the edge of the display panel to form a first fixed connection portion for fixedly connecting the display panel and the transparent protective layer, the first fixed connection portion forms a sealed space for the display panel and the transparent protective layer, and wherein in the sealed space, the transparent protective layer and the display panel are formed with a second fixed connection portion, the sealed space comprises a bonding area and a gap area, the transparent protective layer is formed with a bending portion at transition between the gap area and the bonding area, the bonding area is in a vacuum state, the gap area is formed on the outer periphery of the second fixed connection portion, and the gap area is arranged around the second fixed connection portion, wherein a distance between the transparent protective layer and the display panel is less than 0.01 mm in the bonding area, and a distance between the transparent protective layer and the display panel is more than 0.01 mm in the gap area.

### Claim 12 (depends on 11)

The display assembly according to claim 11, wherein the second fixed connection portion comprises an adhesion area formed by adsorption of the display panel and the transparent protective layer.

### Claim 13

A display assembly, comprising a display panel; a transparent protective layer; and a bonding member, wherein one surface of the bonding member is fixedly connected to an edge of the display panel, another surface is fixedly connected with the transparent protective layer, and a sealing structure is formed between the transparent protective layer and the edge of the display panel, and wherein the display panel and the transparent protective layer are relatively bent from the sealing structure to a middle part of the display panel to form a bending portion, and the display panel and the transparent protective layer form a sealed space within the edge sealing structure, wherein the sealed space comprises a bonding area and a gap area, the gap area surrounds the bonding area, the bending portion is transition between the gap area and the bonding area, a distance between the transparent protective layer and the display panel is less than 0.01 mm in the bonding area, and a distance between the transparent protective layer and the display panel is more than 0.01 mm in the gap area.

### Claim 14 (depends on 13)

The display assembly according to claim 13, wherein in the sealed space, the display panel and the transparent protective layer are formed with a bonding area by adsorption, and the gap area surrounds the bonding area.

### Claim 15

A display assembly, comprising a display panel; a transparent protective layer; and a bonding member, wherein the bonding member is arranged around an edge of the display panel, one surface of the bonding member is fixedly connected with the display panel, another surface of the bonding member is fixedly connected with the transparent protective layer, and wherein the bonding member, the display panel and the transparent protective layer form a sealed space, a thickness of the bonding member makes the display panel and the transparent protective layer bend toward each other due to van der Waals force, and the van der Waals force between the display panel and the transparent protective layer is balanced with a tension generated by air in the sealed space, wherein the sealed space comprises a bonding area and a gap area, the bending portion is transition between the gap area and the bonding area, the bonding area is in a vacuum state, the gap area surrounds the bonding area, a distance between the transparent protective layer and the display panel is less than 0.01 mm in the bonding area, and a distance between the transparent protective layer and the display panel is more than 0.01 mm in the gap area.

### Claim 16 (depends on 1)

The display assembly according to claim 1, wherein the display panel includes a touch film, and in the bonding area, the transparent protective layer and the touch film are fitted with each other.

### Claim 17 (depends on 1)

The display assembly according to claim 1, wherein the bonding member at least includes a Styrofoam layer, a first bonding layer, and a second bonding layer; the first bonding layer and the second bonding layer are respectively located on two surfaces of the Styrofoam layer, and the bonding member is bonded with the transparent protective layer through the first bonding layer, and is bonded with the display panel through the second bonding layer.

### Claim 18 (depends on 17)

The display assembly according to claim 17, wherein the bonding member further includes a reinforcement layer, and the reinforcement layer is located between the first bonding layer and the second bonding layer.

### Claim 19 (depends on 18)

The display assembly according to claim 18, wherein at least one end portion of the reinforcement layer opposite to a side edge of the display panel is exposed.

### Claim 20 (depends on 1)

The display assembly according to claim 1, wherein the bonding member is a non-transparent bonding strip.

### Claim 21 (depends on 1)

The display assembly according to claim 1, wherein a thickness of the bonding member in a bonding state is in a range of 50% to 80% of the thickness in a natural state.

### Claim 22 (depends on 1)

The display assembly according to claim 1, wherein there are at least two bonding members, and at least two segments of corresponding joint edges are provided between end portions of two adjacent bonding members.

### Claim 23 (depends on 1)

A display device, comprising a display assembly claimed in claim 1 and a housing, wherein the transparent protective layer of the display assembly and the housing are fixed to each other, and the display panel of the display assembly is located in the housing.

### Claim 24 (depends on 23)

The display device according to claim 23, wherein a side edge of the display panel is suspended.

### Claim 25 (depends on 23)

The display device according to claim 23, wherein the housing includes a side frame, a back plate, and a module rubber frame, wherein the back plate and the side frame are connected and fixed to each other, wherein the side frame is provided with a first accommodating groove for fixing the transparent protective layer, the transparent protective layer and the display panel are arranged between the side frame and the back plate, and wherein a backlight module is provided in the back plate, and the module rubber frame is configured to fix the backlight module on the back plate.

### Claim 26 (depends on 25)

The display device according to claim 25, wherein a longitudinal distance of a side edge of the display panel relative to the housing is greater than 2 millimeters.

### Claim 27 (depends on 26)

The display device according to claim 26, wherein a foam for dust prevention is provided between the display panel and the module rubber frame.

### Claim 28

An assembling method of a display assembly, comprising following steps:
placing a display panel and a transparent protective layer face to face;
evacuating at least part of air between the transparent protective layer and the display panel; and
connecting fixedly a bonding member with the display panel and the transparent protective layer respectively, and forming a sealing structure between the transparent protective layer and an edge of the display panel, wherein the display panel and the transparent protective layer are adsorbed with each other and formed with a bonding area and a gap area, the transparent protective layer is formed with a bending portion at transition between the gap area and the bonding area, the bonding area is in a vacuum state, the gap area surrounds the bonding area, and the bonding member surrounds the gap area, wherein a distance between the transparent protective layer and the display panel is less than 0.01 mm in the bonding area, and a distance between the transparent protective layer and the display panel is more than 0.01 mm in the gap area.

### Claim 29 (depends on 28)

The assembling method of the display assembly according to claim 28, comprising following steps of:
placing the display panel on a first bearing platform;
bonding a first bonding layer of the bonding member with the transparent protective layer, and placing the transparent protective layer on the display panel;
under the gravity weight of the transparent protective layer itself or an external force, at least part of a middle area of the transparent protective layer being recessed toward one side of the display panel, and evacuating at least part of the air between the transparent protective layer and the display panel; and
bonding a second bonding layer of the bonding member with the display panel, and forming a sealing structure between the transparent protective layer and the edge of the display panel, wherein the display panel and the transparent protective layer are adsorbed with each other and formed with a bonding area and a gap area, the gap area surrounds the bonding area, and the bonding member surrounds the gap area.

### Claim 30 (depends on 28)

The assembling method of the display assembly according to claim 28, comprising following steps of:
placing the transparent protective layer on a first bearing platform;
bonding a first bonding layer of the bonding member with the transparent protective layer, and placing the display panel on the transparent protective layer;
under the gravity weight of the display panel itself or an external force, at least part of a middle area of the display panel being recessed toward one side of the transparent protective layer, and evacuating at least part of the air between the transparent protective layer and the display panel; and
bonding a second bonding layer of the bonding member with the display panel, and forming a sealing structure between the transparent protective layer and the edge of the display panel, wherein the display panel and the transparent protective layer are adsorbed with each other and formed with a bonding area and a gap area, the gap area surrounds the bonding area, and the bonding member surrounds the gap area.

### Claim 31 (depends on 28)

The assembling method of the display assembly according to claim 28, comprising following steps of:
placing the transparent protective layer i on a first bearing platform;
bonding a second bonding layer of the bonding member with the display panel, and placing the display panel on the transparent protective layer;
under the gravity weight of the display panel itself or an external force, at least part of a middle area of the display panel being recessed toward one side of the transparent protective layer, and evacuating at least part of the air between the transparent protective layer and the display panel; and
bonding a first bonding layer of the bonding member with the transparent protective layer, and forming a sealing structure between the edge of the display panel and an edge side of the transparent protective layer, wherein the display panel and the transparent protective layer are adsorbed with each other and formed with a bonding area and a gap area, the gap area surrounds the bonding area, and the bonding member surrounds the gap area.

### Claim 32

An assembling method of a display assembly, comprising following steps:
making a display panel relative to a transparent protective layer;
bonding a bonding member with the display panel and the transparent protective layer, respectively;
evacuating at least part of air between the display panel and the transparent protective layer, sealing an edge side of the display panel with the transparent protective layer are sealed, and forming a sealing structure between the transparent protective layer and the edge of the display panel, wherein the display panel and the transparent protective layer are formed with a bonding area and a gap area, the transparent protective layer is formed with a bending portion at transition between the gap area and the bonding area, the bonding area is in a vacuum state, the gap area surrounds the bonding area, and the cohering member surrounds the gap area, wherein a distance between the transparent protective layer and the display panel is less than 0.01 mm in the bonding area, and a distance between the transparent protective layer and the display panel is more than 0.01 mm in the gap area.

### Claim 33 (depends on 28)

An assembling method of a display device, comprising following steps of: acquiring a display assembly claimed in claim 28; placing a display panel of the display assembly in a housing, and fixing a transparent protective layer of the display assembly and the housing to each other.

### Claim 34 (depends on 33)

The assembling method of the display assembly according to claim 33, wherein after the transparent protective layer of the display assembly and the housing are fixed to each other, a side edge of the display panel is suspended relative to the housing.