WO2020087807A1

WO2020087807A1 - Display panel and display device

Info

Publication number: WO2020087807A1
Application number: PCT/CN2019/075850
Authority: WO
Inventors: 高玲
Original assignee: 武汉华星光电技术有限公司
Priority date: 2018-10-30
Filing date: 2019-02-22
Publication date: 2020-05-07
Also published as: CN109283753A

Abstract

A display panel (100) and a display device. The display panel (100) comprises: a first substrate (10); a second substrate (20), the second substrate (20) being provided opposite to the first substrate (10), and the second substrate (20) being provided with a plurality of pixel units (30) arranged in an array; and a spacer (50), the spacer (50) being provided between the first substrate (10) and the second substrate (20), and a projection of the spacer (50) on the second substrate (20) being located within a projection area of the pixel units (30) on the second substrate (20).

Description

Display panel and display device

Technical field

The present application relates to the field of display technology, in particular to a display panel and a display device.

Background technique

In recent years, the display technology has developed rapidly, and the liquid crystal panel has become a leader in the display industry. In a conventional display panel design, a plurality of gaps are usually provided between the color filter and the pixel electrode. However, in actual products, there will be a height difference between the spacers, which reduces the display uniformity of the display panel, thereby reducing the display quality of the display panel.

technical problem

The technical problem mainly solved by the present application is how to improve the display uniformity of the display panel, thereby improving the display quality of the display panel.

Technical solution

In the first aspect, the present application provides a display panel, including:

First substrate

A second substrate, the second substrate is disposed opposite to the first substrate, and the second substrate is provided with a plurality of pixel units arranged in an array;

Liquid crystal, the liquid crystal is disposed between the first substrate and the second substrate;

A spacer, the spacer is disposed between the first substrate and the second substrate, and the projection of the spacer on the second substrate is located on the pixel unit on the second substrate Within the projection area;

Wherein, the material of the spacer is a photoresist material.

In the display panel of the present application, the pixel unit includes a first pixel unit and a second pixel unit arranged adjacently, and the spacer includes a first spacer, a second spacer, and a third spacer;

Wherein, the first spacer and the second spacer are disposed on the first pixel unit, and the third spacer is disposed on the second pixel unit.

In the display panel of the present application, the second spacer is disposed between the first spacer and the third spacer, and the second spacer is disposed along the edge of the first pixel unit.

In the display panel of the present application, a plurality of the first spacers are arranged at equal intervals on the first pixel unit, and a plurality of the third spacers are arranged at equal intervals on the second pixel unit.

In the display panel of the present application, the distance between adjacent first spacers is smaller than the distance between adjacent third spacers.

In the display panel of the present application, the shapes and sizes of the first spacer, the second spacer, and the third spacer are all the same.

In the display panel of the present application, the pixel unit includes a plurality of adjacent third pixel units, and the spacer includes a fourth spacer, a fifth spacer, and a sixth spacer;

Wherein, any third pixel unit is provided with a fourth spacer, a fifth spacer and a sixth spacer.

In the display panel of the present application, the fifth spacer is provided on one side of the fourth spacer, the sixth spacer is provided on the other side of the fourth spacer, and the fifth The spacer and the sixth spacer are both disposed along the edge of the third pixel unit.

In the display panel of the present application, the distance between the fifth spacer and the fourth spacer is equal to the distance between the sixth spacer and the fourth spacer.

In a second aspect, the present application provides a display panel, including:

First substrate

A spacer, the spacer is disposed between the first substrate and the second substrate, and the projection of the spacer on the second substrate is located on the pixel unit on the second substrate Within the projection area.

In a third aspect, the present application provides a display device including a display panel, the display panel including:

First substrate

Beneficial effect

The beneficial effect of the present application is that the spacers are all arranged on the pixel unit, so that the height of the spacers is uniform, so the display uniformity of the display panel is improved, thereby improving the display quality of the display panel.

BRIEF DESCRIPTION

In order to more clearly explain the embodiments or the technical solutions in the prior art, the following will briefly introduce the drawings required in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the application For some embodiments, those of ordinary skill in the art can obtain other drawings based on these drawings without paying any creative labor.

1 is a schematic structural diagram of a first implementation manner of a display panel provided by this application;

2 is a schematic plan view of a first implementation manner of a display panel provided by this application;

3 is a schematic structural diagram of a second implementation manner of a display panel provided by this application;

4 is a schematic plan view of a second embodiment of a display panel provided by this application;

5 is a schematic structural diagram of a third implementation manner of a display panel provided by this application;

6 is a schematic plan view of a third implementation manner of a display panel provided by this application.

Embodiments of the invention

The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, in which the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present application, and cannot be construed as limiting the present application.

Please refer to FIGS. 1 and 2. FIG. 1 is a schematic structural diagram of a first embodiment of a display panel provided by the present application, and FIG. 2 is a schematic plan view of a first embodiment of a display panel provided by the present application.

An embodiment of the present application provides a display panel 100, including:

First substrate 10.

The second substrate 20 is disposed opposite to the first substrate 10. The second substrate 20 is provided with a plurality of pixel units 30 arranged in an array.

The spacer 50 is disposed between the first substrate 10 and the second substrate 20, and the projection of the spacer 50 on the second substrate 20 is located in the projection area of the pixel unit 30 on the second substrate 20.

Specifically, the first substrate 10 may be a color filter substrate. The second substrate 20 may be an array substrate. A plurality of pixel units 30 arranged in an array are provided on the second substrate 20, wherein the pixel unit 30 may include a thin film transistor (Thin Film Transistor, TFT), pixel electrode and common electrode. The material of the pixel electrode may be indium tin oxide. Next, a spacer 50 is provided between the first substrate 10 and the second substrate 20, and the projection of the spacer 50 on the second substrate 20 is located in the projection area of the pixel unit 30 on the second substrate 20, ie The spacers 50 are all provided on the pixel unit 30. The material of the spacer 50 may be a photoresist material, the spacer 50 is a spacer, and the spacer 50 may be used to define the cell thickness of the display panel. In addition, a liquid crystal 40 is provided between the first substrate 10 and the second substrate 20.

It should be noted that the box thickness mentioned in this embodiment refers to the distance between the first substrate 10 and the second substrate 20. Since the liquid crystal display controls the electric field between the first substrate 10 and the second substrate 20, the arrangement of the liquid crystal material 40 disposed between the first substrate 10 and the second substrate 20 is changed to achieve the desired effect. Therefore, a spacer is usually provided between the first substrate 10 and the second substrate 20 to control the cell thickness. Moreover, in the present embodiment, the spacers 50 are all provided on the pixel unit 30 to avoid the problem of height difference between the spacers 50. Therefore, the uniformity of the display is improved, thereby improving the display quality of the display panel.

In some embodiments, the pixel unit 30 includes a first pixel unit 301 and a second pixel unit 302 disposed adjacent to each other, and the spacer 50 includes a first spacer 501, a second spacer 502, and a third spacer 503.

The first spacer 501 and the second spacer 502 are disposed on the first pixel unit 301, and the third spacer 503 is disposed on the second pixel unit 302.

Please refer to FIGS. 3 and 4. FIG. 3 is a schematic structural diagram of a second embodiment of a display panel provided by the present application. FIG. 4 is a schematic plan view of a second embodiment of a display panel provided by the present application.

The first pixel unit 301 and the second pixel unit 302 are arranged on the second substrate 20 in an array, and the first pixel unit 301 and the second pixel unit 302 are arranged adjacent to each other, as shown in FIG. 2. The second spacer 502 may be disposed between the first spacer 501 and the third spacer 503, and the second spacer 502 is disposed along the edge of the first pixel unit 301. That is, in some embodiments, the second spacer 502 is disposed between the first spacer 501 and the third spacer 503, and the second spacer 502 is disposed along the edge of the first pixel unit 301. In some embodiments, the first spacer 501, the second spacer 502, and the third spacer 503 have the same shape and size.

In this embodiment, the first spacer 501 and the second spacer 502 are disposed on the first pixel unit 301, and the second spacer 502 is disposed along the edge of the first pixel unit 301. At the same time, the third spacer 503 is disposed on the second pixel unit 302 to ensure that the first spacer 501, the second spacer 502, and the third spacer 503 have the same height. Therefore, the display uniformity of the display panel is improved, thereby improving the display quality of the display panel.

Please continue to refer to Figure 3 and Figure 4. A plurality of first spacers 501 are arranged on the first pixel unit 301 at equal intervals. A plurality of third spacers 503 are arranged on the second pixel unit 302 at equal intervals. This helps to improve the uniformity of the display of the display panel, thereby improving the display quality.

Since the first spacer 501 and the second spacer 502 are provided on the first pixel unit 301, only the third spacer 503 is provided on the second pixel unit 302. In order to ensure the uniformity of the display panel. Therefore, the distance between the adjacent first spacers 501 can be set smaller than the distance between the adjacent third spacers 503. That is, the distance between adjacent first spacers 501 is smaller than the distance between adjacent third spacers 503.

Please refer to FIGS. 5 and 6. FIG. 5 is a schematic structural diagram of a third embodiment of the display panel provided by the present application, and FIG. 6 is a schematic plan view of the third embodiment of the display panel provided by the present application.

The pixel unit 30 includes a plurality of adjacent third pixel units 303, and the spacer 50 includes a fourth spacer 504, a fifth spacer 505, and a sixth spacer 506.

Wherein, any third pixel unit 303 is provided with a fourth spacer 504, a fifth spacer 505, and a sixth spacer 506.

For example, each third pixel unit 303 is provided with a fourth spacer 504, a fifth spacer 505, and a sixth spacer 506. The shapes and sizes of the fourth spacer 504, the fifth spacer 505, and the sixth spacer 506 are all the same. Moreover, both the fifth spacer 505 and the sixth spacer 506 can be disposed along the edge of the third pixel unit 303, and the fifth spacer 505 is disposed on one side of the fourth spacer 504, and the sixth spacer 506 is disposed The other side of the fourth spacer 504.

That is, the fifth spacer 505 is provided on one side of the fourth spacer 504. The sixth spacer 506 is disposed on the other side of the fourth spacer 504, and both the fifth spacer 505 and the sixth spacer 506 are disposed along the edge of the third pixel unit 303.

Since each third pixel unit 303 is provided with a fourth spacer 504, a fifth spacer 505, and a sixth spacer 506. In order to ensure the uniformity of the display of the display panel, the fourth spacer 504, the fifth spacer 505, and the sixth spacer 506 may be arranged at equal intervals. That is, the distance between the fifth spacer 505 and the fourth spacer 504 is equal to the distance between the sixth spacer 506 and the fourth spacer 504.

For example, the distance between the fourth spacer 504 and the fifth spacer 505 may be set to 1 nm. The distance between the fourth spacer 504 and the sixth spacer 506 is also set to 1 nm. Of course, it can also be set to other values, depending on the actual situation.

In this embodiment, each third pixel unit 303 is provided with a fourth spacer 504, a fifth spacer 505, and a sixth spacer 506, which can ensure that the fourth spacer 504, the fifth spacer 505, and the first spacer The six spacers 506 have the same height. Therefore, the display uniformity of the display panel is improved, thereby improving the display quality of the display panel.

Correspondingly, the present application also provides a display device, including the display panel provided by any embodiment of the present application.

The display panel and the display device provided by the embodiments of the present application are described in detail above. Specific examples are used to explain the principle and implementation of the present application. The descriptions of the above embodiments are only used to help understand the present application. At the same time, for those skilled in the art, according to the ideas of the present application, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as a limitation of the present application.

Claims

A display panel, including:

First substrate

A second substrate, the second substrate is disposed opposite to the first substrate, and the second substrate is provided with a plurality of pixel units arranged in an array;

Liquid crystal, the liquid crystal is disposed between the first substrate and the second substrate;

A spacer, the spacer is disposed between the first substrate and the second substrate, and the projection of the spacer on the second substrate is located on the pixel unit on the second substrate Within the projection area;

Wherein, the material of the spacer is a photoresist material.
The display panel according to claim 1, wherein the pixel unit comprises a first pixel unit and a second pixel unit arranged adjacently, and the spacer comprises a first spacer, a second spacer and a third spacer ;

Wherein, the first spacer and the second spacer are disposed on the first pixel unit, and the third spacer is disposed on the second pixel unit.
The display panel according to claim 2, wherein the second spacer is disposed between the first spacer and the third spacer, and the second spacer is along the first pixel unit Edge setting.
The display panel according to claim 3, wherein a plurality of the first spacers are arranged at equal intervals on the first pixel unit, and a plurality of the third spacers are arranged at equal intervals on the second pixel unit .
The display panel according to claim 4, wherein a distance between adjacent first spacers is smaller than a distance between adjacent third spacers.
The display panel according to claim 3, wherein the first spacer, the second spacer, and the third spacer have the same shape and size.
The display panel according to claim 1, wherein the pixel unit includes a plurality of adjacent third pixel units, and the spacer includes a fourth spacer, a fifth spacer, and a sixth spacer;

Wherein, any third pixel unit is provided with a fourth spacer, a fifth spacer and a sixth spacer.
The display panel according to claim 7, wherein the fifth spacer is provided on one side of the fourth spacer, and the sixth spacer is provided on the other side of the fourth spacer, and Both the fifth spacer and the sixth spacer are disposed along the edge of the third pixel unit.
The display panel according to claim 8, wherein the distance between the fifth spacer and the fourth spacer is equal to the distance between the sixth spacer and the fourth spacer.
A display panel, including:

First substrate

A second substrate, the second substrate is disposed opposite to the first substrate, and the second substrate is provided with a plurality of pixel units arranged in an array;

A spacer, the spacer is disposed between the first substrate and the second substrate, and the projection of the spacer on the second substrate is located on the pixel unit on the second substrate Within the projection area.
The display panel according to claim 10, wherein the pixel unit comprises a first pixel unit and a second pixel unit arranged adjacently, and the spacer comprises a first spacer, a second spacer and a third spacer ;

Wherein, the first spacer and the second spacer are disposed on the first pixel unit, and the third spacer is disposed on the second pixel unit.
The display panel of claim 11, wherein the second spacer is disposed between the first spacer and the third spacer, and the second spacer is along the first pixel unit Edge setting.
The display panel according to claim 12, wherein a plurality of the first spacers are arranged at equal intervals on the first pixel unit, and a plurality of the third spacers are arranged at equal intervals on the second pixel unit .
The display panel of claim 13, wherein a distance between adjacent first spacers is smaller than a distance between adjacent third spacers.
The display panel according to claim 12, wherein the first spacer, the second spacer, and the third spacer have the same shape and size.
The display panel according to claim 10, wherein the pixel unit includes a plurality of adjacent third pixel units, and the spacer includes a fourth spacer, a fifth spacer, and a sixth spacer;

Wherein, any third pixel unit is provided with a fourth spacer, a fifth spacer and a sixth spacer.
The display panel of claim 16, wherein the fifth spacer is provided on one side of the fourth spacer, and the sixth spacer is provided on the other side of the fourth spacer, and Both the fifth spacer and the sixth spacer are disposed along the edge of the third pixel unit.
The display panel of claim 17, wherein the distance between the fifth spacer and the fourth spacer is equal to the distance between the sixth spacer and the fourth spacer.
A display device includes a display panel, and the display panel includes:

First substrate

A second substrate, the second substrate is opposite to the first substrate, and a plurality of pixel units arranged in an array are arranged on the second substrate;

A spacer, the spacer is disposed between the first substrate and the second substrate, and a projection of the spacer on the second substrate is located on Within the projection area.