WO2022156664A1

WO2022156664A1 - Display panel and electronic device

Info

Publication number: WO2022156664A1
Application number: PCT/CN2022/072499
Authority: WO
Inventors: 林华鑫
Original assignee: 维沃移动通信有限公司
Priority date: 2021-01-22
Filing date: 2022-01-18
Publication date: 2022-07-28
Also published as: CN112837645A

Abstract

A display panel (10) and an electronic device, related to the technical field of displays. The display panel (10) comprises a first display region (11) and a second display region (12). The first display region (11) comprises: multiple first pixel units. The second display region (12) comprises: multiple second pixel units, a first pixel switch circuit, and a second pixel switch circuit, where the first pixel switch circuit is used for controlling at least one first pixel unit, and the second pixel switch circuit is used for controlling at least one second pixel unit.

Description

Display panels and electronic equipment

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to Chinese Patent Application No. 202110093708.6 filed in China on Jan. 22, 2021, the entire contents of which are hereby incorporated by reference.

technical field

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

Background technique

With the development of mobile smart terminals, full screen has become a trend; the full screen mobile phone firstly improves the appearance of the mobile phone, making the mobile phone look more technological, and also the front area of the fuselage can accommodate a larger screen, There is a significant improvement in the visual experience.

The implementation methods of full screen mainly include front pop-up, water drop screen design and blind hole pole screen design; among them, blind hole pole screens include liquid crystal display (Incell Liquid Crystal Display) and active matrix organic light emitting diode display (Active- matrix organic light-emitting diode, AMOLED).

However, in the prior art, the pop-up camera needs to add a pop-up mechanism, which occupies a large space on the motherboard; the pole screen of the liquid crystal display needs to dig holes for the backlight, and the screen in the hole-digging area cannot be displayed; for the active matrix organic light emitting diode display screen The current practice is to directly remove the pixels in the camera area, and at the same time, the polarizer is opened, so that the screen in the removed pixel area cannot be displayed; if the camera is hidden under the screen, the transmittance of the screen itself is low. The diffraction effect caused by the screen structure will greatly reduce the image quality; if the pixel density of the light-transmitting area of the camera is reduced, the photographing effect can be improved, but the reduction of the pixel density will affect the screen display effect. In the related art, there is a lack of a full-screen design with high imaging quality and good screen display effect.

SUMMARY OF THE INVENTION

The purpose of the present application is to provide a display panel and an electronic device, which solve the problem that both the shooting quality and the display effect under the screen cannot be taken into account when the full screen is displayed.

In order to solve the above technical problems, this application is implemented as follows:

In a first aspect, an embodiment of the present application provides a display panel, including: a first display area and a second display area, the first display area including: a plurality of first pixel units;

The second display area includes: a plurality of second pixel units, a first pixel switch circuit and a second pixel switch circuit, wherein the first pixel switch circuit is used to control at least one of the first pixel units, the The second pixel switch circuit is used to control at least one of the second pixel units.

Optionally, pixel densities of the first display area and the second display area are the same.

Optionally, the pixel light-emitting area in at least one of the first display area and the second display area is circular.

Optionally, the second display area is arranged around the first display area.

Optionally, the second display area includes a first sub-area and a second sub-area, the first sub-area is arranged around the first display area, and the second sub-area is arranged around the first sub-area .

Optionally, the first pixel switch circuit is disposed in the first sub-region;

The second pixel switch circuit is partially disposed in the first sub-region and partially disposed in the second sub-region.

Optionally, it also includes a third display area;

the third display area is arranged around the second display area;

The third display area includes: a plurality of third pixel units and a third pixel switch circuit, wherein the third pixel switch circuit is used to control the at least one third pixel unit;

The pixel density of the first display area, the second display area and the third display area is the same.

Optionally, the pixel light-emitting areas in the first display area and the second display area are circular;

The pixel light-emitting area in the third display area is square;

Wherein, the pixel light-emitting area in the first display area or the second display area is an inscribed circle of the pixel light-emitting area of the same color in the third display area.

Optionally, the first pixel unit includes at least two sub-pixels; each of the first pixel switch circuits is connected to at least two sub-pixels of the same color in the first display area, and is used to drive the at least two sub-pixels of the same color. Two subpixels of the same color.

In a second aspect, an embodiment of the present application provides an electronic device, including a camera and the display panel according to any one of the first aspect, wherein the orthographic projection of the photosensitive surface of the camera on the display panel is the same as the first Display areas overlap.

In the embodiment of the present application, by dividing the display panel into at least two display areas provided with pixel units, the pixel switch circuit of the first display area is moved to the second display area, and the wiring density of the first display area is reduced And improve its window opening rate (the proportion of the light-transmitting area to the opaque area), to achieve high light transmittance and low diffraction in the first display area; it solves the problem that the shooting quality and display effect under the screen cannot be taken into account when the full screen is displayed. Problem: The first display area with high light transmittance has the technical advantage that it can be set as a light-through hole for the camera and can be combined with the second display area to realize high-quality picture display.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

FIG. 1 is one of the schematic structural diagrams of a display panel according to an embodiment of the present application;

FIG. 2 is one of partial structural schematic diagrams of a display panel according to an embodiment of the present application;

FIG. 3 is a second schematic diagram of a partial structure of a display panel according to an embodiment of the present application;

4 is one of partial structural schematic diagrams of a pixel unit and a sub-pixel of a display panel according to an embodiment of the present application;

FIG. 5 is a second schematic structural diagram of a display panel according to an embodiment of the present application.

Detailed ways

The following will describe in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The features of the terms "first" and "second" in the description and claims of this application may expressly or implicitly include one or more of such features. In the description of this application, unless stated otherwise, "plurality" means two or more. In addition, "and/or" in the description and the claims indicates at least one of the connected objects, and the character "/" generally indicates that the contextual objects are in an "or" relationship.

In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Rear, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying the indicated devices or elements. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present application.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

The following describes a display panel according to an embodiment of the present application with reference to FIGS. 1 to 5 .

As shown in FIG. 1, FIG. 1 is one of the schematic structural diagrams of a display panel according to an embodiment of the present application;

An embodiment of the present application provides a display panel 10, including a first display area 11 and a second display area 12, the first display area 11 includes: a plurality of first pixel units;

The second display area 12 includes: a plurality of second pixel units, a first pixel switch circuit and a second pixel switch circuit, wherein the first pixel switch circuit is used to control at least one of the first pixel units, so The second pixel switch circuit is used to control at least one of the second pixel units.

In the embodiment of the present application, by dividing the display panel into at least two display areas provided with pixel units, the pixel switch circuit that controls the plurality of first pixel units in the first display area is moved to the second display area, reducing the It improves the wiring density of the first display area and improves its window opening rate (the proportion of the light-transmitting area to the opaque area), so as to realize the high light transmittance of the first display area; The problem that the display effect cannot be taken into consideration; the first display area with high light transmittance has the technical advantage that it can be set as a light-through hole for the camera and can be combined with the second display area to realize high-quality picture display.

According to some embodiments of the present application, optionally, pixel densities of the first display area 11 and the second display area 12 are the same.

It can be understood that the same pixel density means that in the same display area, the number of pixel units is the same, and the distances between the pixel units are the same.

In the embodiment of the present application, the pixel densities of the two display areas provided with pixel units of the display panel are the same, which avoids the problem of affecting the screen display effect by reducing the pixel density of the camera light-through hole area (ie, the first display area). , which ensures that the screen display effect of each display area of the display panel is consistent, and further optimizes the full-screen design scheme that supports high-quality under-screen shooting.

Please refer to FIG. 2. FIG. 2 is one of partial structural schematic diagrams of a display panel according to an embodiment of the present application; according to some embodiments of the present application, optionally, the first display area 11 and the second display area 12 The pixel light-emitting area in at least one of them is circular.

It can be understood that, in various pixel arrangement manners in the prior art, the area of the pixel light-emitting area may be a symbol such as a rectangle with edges and corners, thereby causing diffraction burrs and affecting the shooting experience.

In the embodiment of the present application, the pixel light-emitting area in at least one of the first display area and the second display area is set to be circular, which can further improve the window opening ratio of the first display area and the second display area, and also The diffraction burr can be reduced, and the under-screen photographing effect when the first display area is used as the design of the light-through hole of the camera can be further realized.

According to some embodiments of the present application, optionally, the second display area 12 is arranged around the first display area 11 . As shown in FIG. 1 , the first display area 11 is an area on the screen corresponding to the camera. The second display area 12 is the other display area.

In the embodiment of the present application, the second display area is arranged around the first display area, and the second display area includes the pixel switch circuit winding area and the general display area of the first display area. The distance between the first pixel switch circuit of a pixel unit and the first display area is relatively short, which effectively reduces the length of the metal wiring.

Please refer to FIG. 5. FIG. 5 is a second schematic structural diagram of a display panel according to an embodiment of the present application;

According to some embodiments of the present application, optionally, the second display area 12 includes a first sub-area 121 and a second sub-area 122, and the first sub-area 121 is arranged around the first display area 11, so The second sub-region 122 is arranged around the first sub-region 121 .

It can be understood that the second display area 12 is a screen area around the first display area 11 (the screen area corresponding to the camera).

According to some embodiments of the present application, optionally, the first display area 11 is circular, and the first sub-area 121 is a ring surrounding the first display area 11;

The second sub-area 122 is a rectangle surrounding the first sub-area, and the rectangle of the second sub-area 122 is a rectangle circumscribing the circle of the first sub-area 121 .

In the embodiment of the present application, since the first display area is used as the lighting path of the camera, it can be set as a circle that matches the shape of the camera. Good control requires adjusting the area of the switch circuit switch and effectively controlling the length of the metal traces. The second sub-area is a rectangle surrounding the first sub-area, which can better isolate the first display area from other display areas, so that the display effect can be better transitioned.

According to some embodiments of the present application, optionally, the first pixel switch circuit is disposed in the first sub-region 121;

The second pixel switch circuit is partially disposed in the first sub-region 121 and partially disposed in the second sub-region 122 .

In some embodiments of the present application, optionally, the pixel switch circuit of the first display area is located in the first sub-area, which will occupy the pixel switch circuit space of the first sub-area itself. Therefore, the pixels of the first sub-area itself are A part of the switch circuit is arranged in the second sub-region.

In the embodiment of the present application, the second display area is further subdivided into a first sub-area and a second sub-area; wherein, the first sub-area is a winding area of the first display area, and all the first display area is provided with The first pixel switch circuit of the first sub-region itself, while the second pixel switch circuit of the first sub-region itself is partly arranged in the first sub-region and partly in the second sub-region; The wiring problem caused by the external shift of the first pixel switch circuit in the first display area improves the overall window opening rate and transmittance of the first display area and the second display area, reduces their diffraction, and optimizes the overall display panel. display effect and off-screen photo effect.

Referring to FIG. 5 , according to some embodiments of the present application, optionally, a third display area 13 is further included;

The third display area 13 is arranged around the second display area 12;

The third display area 13 includes: a plurality of third pixel units and a third pixel switch circuit, wherein the third pixel switch circuit is used to control the at least one third pixel unit;

The pixel density of the first display area 11 , the second display area 12 and the third display area 13 is the same.

It can be understood that the third display area is a conventional display area, that is, a pixel light-emitting area and an area where the switch circuit is not adjusted.

In the embodiment of the present application, by dividing the display panel into three display areas with pixel units, the pixel switch circuit of the first display area corresponding to the camera is moved to the second display area (transition area), and the third display area The area is a conventional display area, and the pixel density of the three is the same; the wiring density of the first display area is reduced and its window opening rate is increased (the proportion of the light-transmitting area to the opaque area); it solves the problem of shooting under the screen when the full screen is displayed. The problem that quality and display effect cannot be balanced; the first display area with high light transmittance has the technical advantage that it can be set as a camera light-through hole and can be combined with the second display area and the third display area to achieve high-quality image display.

Please refer to FIG. 2 , FIG. 2 is a partial structural diagram of the first display area 11 and the second display area 12 of the display panel 10 ; please refer to FIG. 3 , FIG. 3 is a schematic diagram of the third display area 13 of the display panel 10 . Schematic diagram of part of the structure. Note that the first pixel unit, the second pixel unit or the third pixel unit is composed of at least two of the first sub-pixel 201, the second sub-pixel 202 and the third sub-pixel 203; please refer to FIG. One of the partial structural schematic diagrams of the pixel units and sub-pixels of the display panel according to the embodiment of the application, when the pixel light-emitting area of the third pixel unit of the third display area 13 is a square, the first pixel unit of the first display area 11 or the The pixel light-emitting area of the second pixel unit of the two display areas 12 is circular;

According to some embodiments of the present application, optionally, the pixel light-emitting area in the second display area 12 is circular;

The pixel light-emitting area in the third display area 13 is square;

The pixel light-emitting area in the second display area 12 is an inscribed circle of the pixel light-emitting area of the same color in the third display area 13 .

It should be understood that since the third display area 13 is a conventional display area, it can be seen that the pixel light-emitting area of the conventional display is generally a rectangle (square), and since the second display area 12 needs to place more pixels for controlling the light-emitting of the pixel unit Therefore, by setting the second display area 12 in the shape of a rectangular inscribed circle, without reducing the number of pixel units per unit area and the distance between pixels, the occupied area of the pixel body is reduced to a certain extent, so that The second display area has more space for the pixel switch circuit arrangement.

Understandably, since the first display area 11 is the lighting surface of the camera, the pixel light-emitting area in the first display area 11 can also be set as a rectangular inscribed circle, thereby optimizing the lighting effect of the camera to a certain extent.

In the embodiment of the present application, the third display area is generally the normal display area of the display panel, and the pixel light-emitting area of the common pixel unit is designed to be square; when the pixel light-emitting area of the third display area is square, the pixel light-emitting area of the second display area When the light-emitting area is a circle, the circle is an inscribed circle of the square, so that the spacing between sub-pixels in the pixel light-emitting area of different display areas remains unchanged, thereby reducing the area occupied by the pixel. The consistency in the positional arrangement of the pixel light-emitting areas of the first display area, the second display area and the third display area is realized, the consistency of the overall display of the display panel is further realized, and the display quality is improved.

Pentile arrangement is a way to reduce the number of sub-pixels by sharing sub-pixels between adjacent pixels, so as to achieve the effect of simulating high-resolution with low-resolution.

Please refer to FIG. 2, the first display area 11 and the second display area 12 adopt the pixel arrangement Pentile arrangement to arrange the pixels; please refer to FIG. 4, the third display area 13 adopts the pixel arrangement Pentile arrangement to arrange the pixels;

According to some embodiments of the present application, optionally, each of the third pixel units includes at least two sub-pixels; the sub-pixels are arranged in a Pentile arrangement.

According to some embodiments of the present application, optionally, each of the first pixel units includes at least two sub-pixels; the sub-pixels are arranged in a Pentile arrangement.

According to some embodiments of the present application, optionally, each of the second pixel units includes at least two sub-pixels; the sub-pixels are arranged in a Pentile arrangement.

In the embodiment of the present application, the first display area, the second display area and the third display area all use the Pentile arrangement to arrange the sub-pixels, while ensuring that the display images are consistent, the image display has higher visual brightness under the same brightness, and The advantage of lower cost.

Referring to FIG. 2 , according to some embodiments of the present application, optionally, the first pixel unit includes at least two sub-pixels; each of the first pixel switch circuits and at least two sub-pixels in the first display area 11 The sub-pixels of the same color are connected to drive the at least two sub-pixels of the same color.

The three first pixel switches 111 are respectively connected with two first sub-pixels of the same color, two second sub-pixels of the same color and two third sub-pixels of the same color, respectively driving the corresponding two sub-pixels of the same color. pixel.

In the embodiment of the present application, by using two pixels of the same color to share one pixel switch in the first display area, the wiring density of the display area can be further reduced, the window opening rate can be greatly improved, the transmittance of the display area can be further improved, and the Diffraction, to achieve the improvement of the shooting effect under the screen.

In some embodiments of the present application, optionally, in the first display area, each 7T1C circuit controls two sub-pixels of the same color, that is, controls the two sub-pixels to be turned on and off at the same time.

In some embodiments of the present application, optionally, in the second display area or the third display area, each 7T1C circuit controls one sub-pixel, that is, each sub-pixel can be turned on and off independently.

Referring to FIG. 2 , according to some embodiments of the present application, optionally, the at least two sub-pixels of the same color are arranged in the same row.

In the embodiment of the present application, each first pixel switch circuit in the first display area is connected to at least two sub-pixels of the same color and arranged in the same line, which further optimizes the wiring design of the first pixel switch circuit and reduces the size of the display area. It can increase the window opening rate, improve the transmittance of the display area, reduce the diffraction, and realize the improvement of the shooting effect under the screen.

An embodiment of the present application further provides an electronic device, including a camera and the display panel according to any of the above embodiments, wherein the orthographic projection of the photosensitive surface of the camera on the display panel intersects the first display area stack.

According to the electronic device of the embodiment of the present application, the display panel is divided into at least two display areas provided with pixel units, the pixel switch circuit of the first display area is moved to the second display area, the wiring density of the first display area is reduced, and the Improve the window opening rate (the proportion of the light-transmitting area to the opaque area) to achieve high light transmittance and low diffraction in the first display area; solve the problem that the shooting quality and display effect cannot be taken into account when the full screen is displayed The first display area with high light transmittance has the technical advantage that it can be set as a light-through hole of the camera and can be combined with the second display area to realize high-quality picture display.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples", etc., is meant to incorporate the embodiments A particular feature, structure, material, or characteristic described by an example or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present application, The scope of the application is defined by the claims and their equivalents.

Claims

A display panel includes a first display area and a second display area, the first display area includes: a plurality of first pixel units;

The second display area includes: a plurality of second pixel units, a first pixel switch circuit and a second pixel switch circuit, wherein the first pixel switch circuit is used to control at least one of the first pixel units, the The second pixel switch circuit is used to control at least one of the second pixel units.
The display panel of claim 1, wherein pixel densities of the first display area and the second display area are the same.
The display panel of claim 1, wherein a pixel light-emitting area in at least one of the first display area and the second display area is circular.
The display panel of claim 1, wherein the second display area is disposed around the first display area.
The display panel of claim 1, wherein the second display area comprises a first sub-area and a second sub-area, the first sub-area is arranged around the first display area, and the second sub-area around the first sub-area.
The display panel according to claim 5, wherein the first pixel switch circuit is disposed in the first sub-region;

The second pixel switch circuit is partially disposed in the first sub-region and partially disposed in the second sub-region.
The display panel of claim 2, further comprising a third display area;

the third display area is arranged around the second display area;

The third display area includes: a plurality of third pixel units and a third pixel switch circuit, wherein the third pixel switch circuit is used to control the at least one third pixel unit;

The pixel density of the first display area, the second display area and the third display area is the same.
The display panel according to claim 7, wherein the pixel light-emitting area in the second display area is circular;

The pixel light-emitting area in the third display area is square;

Wherein, the pixel light-emitting area in the second display area is an inscribed circle of the pixel light-emitting area of the same color in the third display area.
The display panel of claim 1, wherein the first pixel unit comprises at least two sub-pixels; each of the first pixel switch circuits and at least two sub-pixels of the same color in the first display area connected and used for driving the at least two sub-pixels of the same color.
An electronic device, comprising a camera and the display panel according to any one of claims 1-9, wherein the orthographic projection of the photosensitive surface of the camera on the display panel overlaps the first display area.