# US 12,181,754 B2 · Display panel, manufacturing method thereof 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 12,181,754 B2
- Document ID: US12181754B2
- Status: Granted
- Kind: B2
- Application number: 17/769,948
- Filed: 2021-05-19
- Published: 2024-05-02
- Granted: 2024-12-31
- Earliest claimed: 2020-06-24
- Assignees: Beijing Boe Display Technology Co., Ltd.; Boe Technology Group Co., Ltd.
- Applicants: Beijing BOE Display Technology Co., Ltd.; BOE Technology Group Co., Ltd.
- Inventors: Dongchuan Chen; Jun Fan; Xi Chen; Tianyu Xu; Kaixuan Wang
- Web page: https://patentgrep.com/patent/US12181754B2

## CPC

- G02F 1/13439: {characterised by their electrical, optical, physical properties; materials therefor; method of making}
- G02F 1/1333: Constructional arrangements; {Manufacturing methods}(G02F1/135, G02F1/136 take precedence)
- G02F 1/133345: {Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence)}
- G02F 1/133377: {Cells with plural compartments or having plurality of liquid crystal microcells partitioned by walls, e.g. one microcell per pixel}
- G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)}
- G02F 1/133514: {Colour filters}
- G02F 1/133526: {Lenses, e.g. microlenses or Fresnel lenses}
- G02F 1/1339: Gaskets; Spacers; Sealing of cells
- G02F 1/13394: {spacers regularly patterned on the cell subtrate, e.g. walls, pillars (G02F1/133377 takes precedence)}
- G02F 1/1341: Filling or closing of cells
- G02F 1/134309: {characterised by their geometrical arrangement}
- H04M 1/0266: {for a display module assembly}
- H04N 23/57: Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
- H04M 1/0264: {for a camera module assembly}
- 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
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

A display panel, a manufacturing method thereof, and a display device are provided. The display panel includes a display region and a lens region, wherein the lens region comprises a common electrode and a deflection electrode arranged opposite each other, and a first liquid crystal layer arranged therebetween, the deflection electrode is configured for providing at least two different deflection voltages, and the at least two different deflection voltages are configured for deflecting the first liquid crystal layer. According to the display panel, the manufacturing method thereof and the display device in the embodiments of the present disclosure, it may drive the liquid crystals to deflect, so as to achieve the function of zooming of the camera. In addition, the camera is integrated with the display panel, so as to improve the integration level of the display device, and facilitate the utilization and the manufacturing of the display device.

## Claims

### Claim 1

A display panel, comprising: a display region and a lens region, wherein the lens region comprises a common electrode and a deflection electrode arranged opposite each other, and a first liquid crystal layer arranged between the common electrode and the deflection electrode, the deflection electrode is configured for providing at least two different deflection voltages, and the at least two different deflection voltages are configured for deflecting the first liquid crystal layer,
wherein the display region of the display panel comprises a second liquid crystal layer, the first liquid crystal layer and the second liquid crystal layer are arranged at a same layer, and the first liquid crystal layer and the second liquid crystal layer are separated from each other by an isolation structure,
wherein the isolation structure comprises a barrier that is made of sealant,
wherein the isolation structure further comprises a photo spacer that is arranged at a side of the barrier proximate to the first liquid crystal layer.

### Claim 2 (depends on 1)

The display panel according to claim 1, wherein the deflection electrode comprises a first sub-electrode and a second sub-electrode that are insulated from each other and spaced apart from each other, and the second sub-electrode is arranged around the first sub-electrode.

### Claim 3 (depends on 2)

The display panel according to claim 2, wherein the first sub-electrode is of a circle, and the second sub-electrode is of a ring.

### Claim 4 (depends on 1)

The display panel according to claim 1, wherein the display panel comprises an array substrate and a color filter substrate that are arranged oppositely to form a cell, one of the common electrode and the deflection electrode is arranged on the array substrate, and the other one of the common electrode and the deflection electrode is arranged on the color filter substrate.

### Claim 5 (depends on 4)

The display panel according to claim 4, wherein the array substrate further comprises a display region common electrode arranged on the display region;
the common electrode is arranged on the array substrate, and the common electrode and the display region common electrode are arranged at a same layer and made of a same material; or
the deflection electrode is arranged on the array substrate, and the deflection electrode and the display region common electrode are arranged at a same layer and made of a same material.

### Claim 6 (depends on 1)

The display panel according to claim 1, wherein the display panel further comprises a black matrix and an electrode line that are arranged on a color filter substrate, the common electrode and/or the deflection electrode is electrically connected to the electrode line, and an orthographic projection of the electrode line onto the color filter substrate is within a range of an orthographic projection of the black matrix onto the color filter substrate.

### Claim 7 (depends on 1)

The display panel according to claim 1, wherein the display panel comprises an array substrate, the array substrate comprises a base substrate and a driving circuit arranged on the base substrate, and an elevation layer that is arranged on the display region and arranged between the driving circuit and the base substrate.

### Claim 8 (depends on 1)

The display panel according to claim 1, wherein the lens region further comprises a high impedance layer and a first insulation layer, the first insulation layer is arranged at a side of a lens electrode proximate to the first liquid crystal layer, the high impedance layer is arranged at a side of the first insulation layer proximate to the first liquid crystal layer, and the lens electrode is the deflection electrode or the common electrode.

### Claim 9 (depends on 1)

A display device, comprising the display panel according to claim 1.

### Claim 10 (depends on 9)

The display device according to claim 9, wherein the deflection electrode comprises a first sub-electrode and a second sub-electrode that are insulated from each other and spaced apart from each other, and the second sub-electrode is arranged around the first sub-electrode.

### Claim 11 (depends on 10)

The display device according to claim 10, wherein the first sub-electrode is of a circle, and the second sub-electrode is of a ring.

### Claim 12 (depends on 1)

A method for manufacturing the display panel according to claim 1, comprising: a step of manufacturing the display region of the display panel, and a step of manufacturing the lens region of the display panel,
wherein the step of manufacturing the lens region of the display panel comprises:
arranging, between the lens region and the display region, the isolation structure for isolating liquid crystals; and
subjecting the lens region to an One Drop Filling (ODF) process for the liquid crystals, to form the first liquid crystal layer,
wherein the arranging, between the lens region and the display region, the isolation structure for isolating the liquid crystals comprises:
providing sealant for surrounding the lens region, to form the isolation structure; or
forming the photo spacer on a region corresponding to the black matrix of the lens region, to form the isolation structure, and coating the sealant on a side of the photo spacer distal to the first liquid crystal layer.

### Claim 13 (depends on 12)

The method according to claim 12, wherein the step of manufacturing the display region of the display panel and the step of manufacturing the lens region of the display panel comprises:
forming, on the display panel through a single patterning process, a display region common electrode and a lens electrode of the display panel, and the lens electrode of the display panel is either the common electrode or the deflection electrode.

### Claim 14 (depends on 12)

The method according to claim 12, wherein the display panel comprises an array substrate and a color filter substrate, and the step of subjecting the lens region to the ODF process for the liquid crystals comprises:
applying, through the ODF process, a portion of the liquid crystals to a first side of a first layer between the common electrode and the deflection electrode, and applying, through the ODF process, another portion of the liquid crystals to a second side of the first layer, to cause the first layer to be the first liquid crystal layer, wherein the first side of the first layer is proximate to the array substrate, and the second side of the first layer is proximate to the color filter substrate.