# US 11,442,303 B2 · Display panel 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 11,442,303 B2
- Document ID: US11442303B2
- Status: Granted
- Kind: B2
- Application number: 16/959,286
- Filed: 2019-08-20
- Published: 2022-01-06
- Granted: 2022-09-13
- Earliest claimed: 2019-08-20
- 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: Yifu Chen; Seungmin Lee; Yanping Liao; Lei Guo; Yingying Qu; Zhe Li; Liangliang Jiang; Lifeng Lin; Lan Xin; Zhihua Sun
- Web page: https://patentgrep.com/patent/US11442303B2

## CPC

- G02F 1/133308: {Support structures for LCD panels, e.g. frames or bezels}
- G02F 1/1339: Gaskets; Spacers; Sealing of cells
- G02F 1/133514: {Colour filters}
- G02F 1/133602: {Direct backlight}
- 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

Embodiments of the present disclosure provide a display panel and a display device. The display panel includes: a first substrate; at least one underlaying structure, arranged on the first substrate and in a non-display region of at least one side of a display region of the display panel; and at least one supporting structure, arranged on one side, facing away from the first substrate, of the at least one underlaying structure, where an orthographic projection of the supporting structure on the first substrate is within a range of an orthographic projection of the underlaying structure on the first substrate.

## Claims

### Claim 1

A display panel, comprising:
a first substrate;
at least one underlaying structure, arranged on the first substrate and in a non-display region of at least one side of a display region of the display panel; and
at least one supporting structure, arranged on one side, facing away from the first substrate, of the at least one underlaying structure,
wherein an orthographic projection of the supporting structure on the first substrate is within a range of an orthographic projection of the underlaying structure on the first substrate;
wherein the display panel further comprises: a color light filter layer arranged in the display region, and a plurality of spacers arranged on one side, facing away from the first substrate, of the color light filter layer;
wherein the plurality of spacers are divided into a plurality of main spacers and a plurality of sub-spacers; and
a sum of a height of the supporting structure and a thickness of the underlaying structure is greater than a sum of a height of one of the main spacers and a thickness of the color light filter layer.

### Claim 2 (depends on 1)

The display panel according to claim 1,
wherein the color light filter layer comprises sub-pixel color resistors in at least three colors;
the underlaying structure comprises: color resistor structures arranged on a same layer and made of a same material as the sub-pixel color resistors in at least one color; and
the supporting structure is arranged on a same layer and made of a same material as the spacers;
wherein the display panel further comprises:
a shading layer arranged between the underlaying structure and the first substrate, and a flat layer arranged on one side, facing away from the first substrate, of the underlaying structure.

### Claim 3 (depends on 2)

The display panel according to claim 2, further comprising: a second substrate arranged opposite to the first substrate;
a plurality of pixel units arranged in the display region in an array; and
a plurality of data lines arranged on one side, facing the first substrate, of the second substrate, extending in a first direction and arranged in a second direction;
wherein the non-display region is divided into two first sub-regions arranged on two sides of the display region in the first direction, and two second sub-regions arranged on two sides of the display region in the second direction;
the second direction is perpendicular to the first direction; and
each of the first sub-regions and each of the second sub-regions comprise the underlaying structure, respectively.

### Claim 4 (depends on 3)

The display panel according to claim 3, wherein the underlaying structure comprises at least two color resistor structures; and
orthographic projections of the color resistor structures which belong to a same underlaying structure on the first substrate have an overlapping region.

### Claim 5 (depends on 3)

The display panel according to claim 3, wherein orthographic projections of the color resistor structures which belong to a same underlaying structure on the first substrate do not overlap.

### Claim 6 (depends on 5)

The display panel according to claim 5, wherein in each of the first sub-regions, the underlaying structure comprises the color resistor structures in three colors;
in each of the second sub-regions, the underlaying structure comprises the color resistor structures in one color; and
in the underlaying structure of each of the first sub-regions, the color resistor structures are arranged in one row in the second direction, and the color resistor structures in three colors are alternately arranged.

### Claim 7 (depends on 6)

The display panel according to claim 6, wherein the color resistor structures and first sub-pixel color resistors are connected into an integrated structure; and
the first sub-pixel color resistors are sub-pixel color resistors arranged on an edge of the display region, and the first sub-pixel color resistors and the color resistor structures are adjacent and have a same color.

### Claim 8 (depends on 5)

The display panel according to claim 5, wherein in each of the first sub-regions, the underlaying structure comprises the color resistor structures in three colors;
in each of the second sub-regions, the underlaying structure comprises the color resistor structures in three colors;
in the underlaying structure of each of the first sub-regions, the color resistor structures are arranged in one row in the second direction, and the color resistor structures in three colors are alternately arranged; and
in the underlaying structure of each of the second sub-regions, the color resistor structures are arranged in one row in the second direction, and the color resistor structures in three colors are alternately arranged.

### Claim 9 (depends on 3)

The display panel according to claim 3, wherein an end surface of one side, facing away from the first substrate, of the supporting structure is in contact with a surface of one side, facing the first substrate, of the second substrate.

### Claim 10 (depends on 9)

The display panel according to claim 9, wherein the non-display region further comprises: a metal layer arranged on one side, facing the first substrate, of the second substrate; and
an orthographic projection of the supporting structure on the second substrate is within a range of an orthographic projection of the metal layer on the second substrate.

### Claim 11 (depends on 9)

The display panel according to claim 9, wherein the non-display region further comprises: a frame sealant arranged between the first substrate and the second substrate;
the frame sealant is arranged at an edge of the display panel;
the underlaying structure is arranged between the frame sealant and the display region, and a space exists between the underlaying structure and the frame sealant; and
the space between the underlaying structure and the frame sealant is greater than a sum of position precision of the frame sealant and diffusion precision of the frame sealant as well as position precision of the underlaying structure.

### Claim 12 (depends on 9)

The display panel according to claim 9, wherein the supporting structure comprises: strip-shaped spacers, and at least one of the strip-shaped spacers extends in the first direction or the second direction.

### Claim 13 (depends on 12)

The display panel according to claim 12, wherein gaps between the plurality of pixel units in the second direction are first gaps;
in each of the second sub-regions, the strip-shaped spacers extend in the second direction and are arranged in an array; and
orthographic projections of at least part of the strip-shaped spacers on a plane perpendicular to the second direction have overlapping regions with orthographic projections of the first gaps on the plane perpendicular to the second direction.

### Claim 14 (depends on 13)

The display panel according to claim 13, wherein in each of the second sub-regions, a space between the strip-shaped spacer closest to the display region and the display region is greater than or equal to 0.5 mm.

### Claim 15 (depends on 12)

The display panel according to claim 12, wherein in each of the second sub-regions, the strip-shaped spacers extend in the first direction;
orthographic projections of the strip-shaped spacers arranged in a same second sub-region on a plane perpendicular to the second direction form a continuous figure; and
in each of the second sub-regions, the farther from the display region, the longer the strip-shaped spacers in the first direction;
wherein in each of the second sub-regions, a space between the strip-shaped spacer closest to the display region and the display region is greater than or equal to 1.5 mm.

### Claim 16 (depends on 12)

The display panel according to claim 12, wherein in each of the first sub-regions, the strip-shaped spacers extend in the second direction;
orthographic projections of the strip-shaped spacers arranged in a same first sub-region on a plane perpendicular to the first direction form a continuous figure; and
in each of the first sub-regions, the farther from the display region, the longer the strip-shaped spacers in the second direction;
wherein in each of the first sub-regions, a space between the strip-shaped spacer closest to the display region and the display region is greater than or equal to 1.5 mm.

### Claim 17 (depends on 12)

The display panel according to claim 12, wherein a contact density of the supporting structure in the first sub-regions is greater than 10,000 μm2/mm2;
a contact density of the supporting structure in the second sub-regions is greater than 5,000 μm2/mm2; and
a compression amount of the supporting structure is within a range of 0.1 to 0.3 μm.

### Claim 18 (depends on 12)

The display panel according to claim 12, wherein the supporting structure further comprises: point-shaped spacers; and
the point-shaped spacers are distributed in gaps between the strip-shaped spacers.

### Claim 19 (depends on 1)

A display device, comprising: the display panel according to claim 1 and a backlight module arranged on one side of an incident surface of the display panel,
wherein, the backlight module comprises a backlight source arranged on one side of the display device;
an underlaying structure corresponding to a side where the backlight source is arranged comprises at least two laminated color resistor structures;
or,
the underlaying structure corresponding to a side where the backlight source is arranged comprises one color resistor structure.
