WO2020228205A1

WO2020228205A1 - Display panel and display device

Info

Publication number: WO2020228205A1
Application number: PCT/CN2019/105909
Authority: WO
Inventors: 王威; 黄情
Original assignee: 武汉华星光电半导体显示技术有限公司
Priority date: 2019-05-16
Filing date: 2019-09-16
Publication date: 2020-11-19
Also published as: CN110232892A

Abstract

A display panel (1) and a display device, the display panel (1) comprising: a drive circuit layer (120) and a light-emitting functional layer (130). A through hole is provided in a region of the drive circuit layer (120) corresponding to an under-display electronic element (2), and pixel drive circuits (121,122) corresponding to the region of the under-display electronic element (2) are provided in other display areas or non-display areas (200), thereby solving the technical problem that light transmission and display cannot be both achieved at the region of an under-display camera of an existing display panel.

Description

Display panel and display device

Technical field

This application relates to the display field, and in particular to a display panel and a display device.

Background technique

With the development of full-screen technology, the technology of placing electronic components such as cameras under the display is a development trend. However, in the prior art, in order to ensure the lighting effect of the electronic components under the screen, such as the camera, the materials above the camera (including the TFT circuit, the light-emitting layer, the cathode structure, etc.) need to be removed, that is, the hole-digging technology affects the display effect.

Therefore, the existing display panel has a technical problem that the light transmission and display of the camera area under the screen cannot be combined, and it needs to be improved.

technical problem

The present application provides a display panel to solve the technical problem that the existing display panel cannot have both light transmission and display in the camera area under the screen.

Technical solutions

To solve the above problems, the technical solutions provided by this application are as follows:

The present application provides a display panel, which includes a first display area and a second display area, the second display area corresponds to a position where an electronic component is located, and the display panel includes a driving circuit layer and a light-emitting function layer, wherein:

The driving circuit layer has a through hole in the second display area. The driving circuit layer includes a first pixel driving circuit area and a second pixel driving circuit area. The first pixel driving circuit area is formed to drive the A first pixel drive circuit for working pixels in the first display area, and a second pixel drive circuit for driving pixels in the second display area is formed in the second pixel drive circuit area.

In the display panel provided by the present application, the first pixel driving circuit area and the second pixel driving circuit area are both located in the first display area.

In the display panel provided by the present application, the display panel further includes a non-display area arranged around the first display area, the second pixel drive circuit area is located in the non-display area, and the first pixel drives The area is located in the first display area.

In the display panel provided by the present application, the arrangement density of the second pixel drive circuit is greater than the arrangement density of the first pixel drive circuit.

In the display panel provided by the present application, the display panel further includes a non-display area arranged around the first display area, the second pixel driving circuit area is located in the first display area, and a part of the first display area The pixel driving circuit is located in the non-display area.

In the display panel provided by the present application, the material of the signal line located in the second display area is a transparent material.

In the display panel provided by the present application, the signal lines in the second display area are obtained by patterning the common electrode layer, and the signal lines are electrically connected to the pixel electrodes through via holes.

In the display panel provided by the present application, the pixel electrode located in the second display area is a transparent electrode.

In the display panel provided by the present application, the driving circuit layer includes a scanning signal line and a reset signal line extending in a horizontal direction, the second pixel driving circuit corresponding to the pixel in the second display area, and the The first pixel driving circuit corresponding to the pixels in the first display area arranged in the same row of pixels in the second display area is electrically connected to the same scanning signal line and the reset signal line.

In the display panel provided by the present application, the driving circuit layer includes power signal lines and data signal lines extending in a vertical direction, the second pixel driving circuit corresponding to pixels in the second display area, and The first pixel driving circuit corresponding to the pixels in the first display area arranged in the same column of pixels in the second display area is electrically connected to the same power signal line and data signal line.

The present application also provides a display device, including a display panel and electronic components. The display panel includes a first display area and a second display area. The second display area corresponds to the location of the electronic component. The display panel Including: drive circuit layer and light-emitting function layer, including:

In the display device provided by the present application, the first pixel driving circuit area and the second pixel driving circuit area are both located in the first display area.

In the display device provided by the present application, the display panel further includes a non-display area provided around the first display area, the second pixel drive circuit area is located in the non-display area, and the first pixel drives The circuit area is located in the first display area.

In the display device provided by the present application, the arrangement density of the second pixel drive circuit is greater than the arrangement density of the first pixel drive circuit.

In the display device provided by the present application, the display panel further includes a non-display area arranged around the first display area, the second pixel driving circuit area is located in the first display area, and a part of the first display area The pixel driving circuit is located in the non-display area.

In the display device provided by the present application, the material of the signal line located in the second display area is a transparent material.

In the display device provided by the present application, the signal lines in the second display area are obtained by patterning a common electrode layer, and the signal lines are electrically connected to the pixel electrodes through via holes.

In the display device provided by the present application, the pixel electrode located in the second display area is a transparent electrode.

In the display device provided by the present application, the drive circuit layer includes a scan signal line and a reset signal line extending in a horizontal direction, the second pixel drive circuit corresponding to the pixel in the second display area, and the The first pixel driving circuit corresponding to the pixels in the first display area arranged in the same row of pixels in the second display area is electrically connected to the same scanning signal line and the reset signal line.

In the display device provided by the present application, the drive circuit layer includes a power signal line and a data signal line extending in a vertical direction, the second pixel drive circuit corresponding to the pixel in the second display area, and the The first pixel driving circuit corresponding to the pixels in the first display area arranged in the same column of pixels in the second display area is electrically connected to the same power signal line and data signal line.

Beneficial effect

The present application provides a display panel and a display device. The display panel includes a first display area and a second display area. The second display area corresponds to a position of an electronic component. The display panel includes a driving circuit layer and a light-emitting function layer. The driving circuit layer has a through hole in the second display area. The driving circuit layer includes a first pixel driving circuit area and a second pixel driving circuit area. The first pixel driving circuit area is formed with a device for driving pixels in the first display area. The first pixel driving circuit and the second pixel driving circuit area are formed with a second pixel driving circuit for driving pixels in the second display area. By providing through holes in the area of the drive circuit layer corresponding to the electronic components under the screen, and arranging the pixel drive circuit corresponding to the electronic component area under the screen in other display areas or non-display areas, the problem of the existing display panels having the under-screen camera area transparent The technical problem that light and display cannot have both.

Description of the drawings

In order to explain the embodiments or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are merely inventions For some embodiments, those of ordinary skill in the art can obtain other drawings based on these drawings without creative work.

FIG. 1 is a first perspective view of a display panel provided by an embodiment of the application;

2 is a schematic cross-sectional view of the first type A-A' of the display panel provided by an embodiment of the application;

3 is a second perspective view of the display panel provided by the embodiment of the application;

4 is a schematic cross-sectional view of the second type A-A' of the display panel provided by an embodiment of the application;

5 is a third perspective view of the display panel provided by the embodiment of the application;

6 is a schematic diagram of a third type A-A' cross-sectional view of the display panel provided by an embodiment of the application;

FIG. 7 is a schematic diagram of a driving circuit of a display panel provided by an embodiment of the application;

FIG. 8 is a first cross-sectional schematic diagram of a display device provided by an embodiment of the application;

FIG. 9 is a second cross-sectional schematic diagram of the display device provided by an embodiment of the application.

Embodiments of the invention

The description of the following embodiments refers to the attached drawings to illustrate specific embodiments that can be implemented in this application. The directional terms mentioned in this application, such as [Up], [Down], [Front], [Back], [Left], [Right], [Inner], [Outer], [Side], etc., are for reference only The direction of the additional schema. Therefore, the directional terms used are used to illustrate and understand the application, rather than to limit the application. In the figure, units with similar structures are indicated by the same reference numerals.

In view of the technical problem that the existing display panel cannot have both light transmission and display in the camera area under the screen, the present application provides a display panel to solve this problem.

In an embodiment, as shown in FIGS. 1 to 4, the present application provides a display panel 1. The display panel 1 includes a display area 100 and a non-display area 200, and the display area 100 includes a first display area. 101 and a second display area 102. The second display area 102 corresponds to the location of electronic components. The display panel 1 includes a substrate 110, a driving circuit layer 120, and a light-emitting function layer 130, wherein:

The driving circuit layer 120 has through holes in the second display area 102. The driving circuit layer 120 includes a first pixel driving circuit area 121 and a second pixel driving circuit area 122. The first pixel driving circuit area 121 A first pixel driving circuit for driving the pixels in the first display area 101 is formed, and the second pixel driving circuit area 122 is formed with a second pixel driving circuit for driving the pixels in the second display area 102 to work .

In this embodiment, the driving circuit layer 120 is composed of a plurality of pixel driving circuits, and each sub-pixel driving circuit is composed of a plurality of thin film transistors and capacitors. The first pixel drive circuit in the first pixel drive circuit area 121 is electrically connected to the pixels in the first display area 101, and the second pixel drive circuit in the second pixel drive circuit area 122 is electrically connected to the pixels in the first display area 101. The pixels in the two display areas 102 are electrically connected, and each sub-pixel is individually controlled by its corresponding pixel circuit to emit light.

The driving circuit layer 120 is generally a network structure formed by stacking multiple layers such as an active layer, an insulating layer, and a metal layer. However, the visible light transmittance of the active layer and the metal layer is extremely low (generally less than 10%), which causes the driving circuit layer 120 to have poor visible light transmittance (generally Less than 50%), thereby affecting the imaging quality of the camera under the screen.

The present application provides a display panel including a first display area and a second display area. The second display area corresponds to the position of the electronic component. The display panel includes a driving circuit layer and a light-emitting function layer. There are through holes in the second display area. The drive circuit layer includes a first pixel drive circuit area and a second pixel drive circuit area. The first pixel drive circuit area is formed with a first pixel drive circuit for driving pixels in the first display area. The second pixel driving circuit area is formed with a second pixel driving circuit for driving pixels in the second display area. By providing through holes in the area of the drive circuit layer corresponding to the electronic components under the screen, and arranging the pixel drive circuit corresponding to the electronic component area under the screen in other display areas or non-display areas, the problem of the existing display panels having the under-screen camera area transparent The technical problem that light and display cannot have both.

In an embodiment, as shown in FIGS. 1 and 2, the first pixel driving circuit area 121 and the second pixel driving circuit area 122 are both located in the first display area 101, and the second The pixel circuit area 122 is disposed in a surrounding area surrounding the first display area 101, the driving circuit layer 120 is provided with a through hole in the second display area 102, and there is no pixel driving circuit in the non-display area 200.

Since the second pixel driving circuit area 122 is disposed in the first display area 101, the space for the first pixel driving circuit area 121 in the driving circuit layer 120 is compressed, so the second pixel driving circuit is The arrangement density of pixel drive circuits in the first pixel drive area 121 in the area 122 and in the vicinity of the second pixel drive area 122 is higher than that of the first pixel drive area farther from the second pixel drive area 122. The arrangement density of the pixel drive circuits in 121 should be large.

In an embodiment, as shown in FIGS. 3 and 4, the second pixel driving circuit area 122 is located in the non-display area 200, and is electrically connected to the pixel circuit in the second display area 102 through vias. The first pixel driving area 121 is located in the first display area 101, and the driving circuit layer 120 is provided with a through hole in the second display area 102.

In one embodiment, as shown in FIGS. 5 and 6, the second pixel driving circuit area 122 is located in the first display area 101, and the second pixel circuit area 122 is disposed around the first display area. In the surrounding area of the display area 101, part of the first pixel drive circuit is located in the non-display area 200, the remaining part of the first pixel drive circuit is located in the first display area 101, and the drive circuit layer 120 is located in the A through hole is provided in the second display area 102.

The area occupied by the first pixel drive circuit in the non-display area 200 is the same as the size of the second pixel circuit area, and the second pixel circuit in the second pixel circuit area 122 is the same as the second pixel circuit area. The pixel circuits in the display area 102 are electrically connected to control the operation of the pixels in the second display area 102. The first pixel drive circuit located in the non-display area 200 corresponds to and is electrically connected to the first pixel circuit in the first display area 101 close to the position of the first pixel drive circuit, and controls the first pixel circuit jobs.

In an embodiment, as shown in FIG. 7, which is a schematic diagram of a driving circuit of the display panel 1, the driving circuit layer 120 includes a scan driving integrated circuit and a data driving integrated circuit, and the scan driving integrated circuit includes a horizontal direction. The first scan signal line Scan(n), the second scan signal line Scan(n-1) and the reset signal line VI extending upward, the data driving integrated circuit includes a power supply signal line VDD and a data signal line extending in the vertical direction Data.

The scan drive integrated circuit is also called a row drive integrated circuit or a gate drive integrated circuit (Gate Driver IC, G-IC). Its function is to realize the row-by-row turn-on of the thin film transistor array and interact with the data under the action of a control signal. The driving integrated circuit cooperates to realize the input of the data signal of the opening row to the corresponding pixel.

The data drive integrated circuit is also called a source driver integrated circuit (Source Driver IC, S-IC), and its main function is to receive the digital video data signal and control signal provided by the front-end timing controller (Timing Controller, TCON), The digital signal is converted into a corresponding analog gray-scale voltage signal through Digital-to-Analogue Conversion (DAC), which is input to the corresponding pixel, thereby controlling the light emission and brightness of the pixel.

In one embodiment, as shown in FIG. 7, the pixel drive circuit and the pixel are in one-to-one correspondence and are electrically connected, and the pixel drive circuit is electrically connected to the scan drive integrated circuit and the data drive integrated circuit. connection.

In this embodiment, in the first display area 101, the first scan signal line Scan(n), the second scan signal line Scan(n-1) and the reset signal in the horizontal direction are provided. Line VI, and the first scan signal line Scan(n), the second scan signal line Scan(n-1), and the reset signal line VI are electrically connected to the first pixel driving circuit 121; In the second display area 102, the first scan signal line Scan(n), the second scan signal line Scan(n-1) and the reset signal line VI are not provided, and the first display area 101 The first scanning signal line Scan(n), the second scanning signal line Scan(n-1), and the reset signal line VI are connected to the non-display area 200 through metal line migration, and the non-display area 200 is located in the non-display area 200. The second pixel drive circuit 122 is electrically connected to the first scan signal line Scan(n), the second scan signal line Scan(n-1), and the reset signal line VI at the same timing as the first pixel drive circuit 121 .

Since the second pixel driving circuit 122 and the first pixel driving circuit 121 of the first pixel arranged in the same row of the second pixel are electrically connected to the same first scanning signal line Scan(n), the second scanning signal line Scan(n) -1) and the reset signal line VI, the same first scan signal line Scan(n), second scan signal line Scan(n-1) or reset signal line VI can control the row in the first display area 101 The first pixel in the first pixel and the second pixel in the second display area 102 are turned on at the same time; and because the second pixel driving circuit 122 and the second pixel are arranged in the same column, the first pixel of the first pixel is driven The circuit 121 is electrically connected to the same power signal line VDD and the data signal line Data. The power signal line VDD or the data signal line Data can be simultaneously directed to the first pixel located in the first display area 101 and located in the column. The second pixel in the second display area 102 provides a power signal or a data signal; without adding or changing other circuit structures, the same circuit control and picture display effect as when the second pixel driving circuit 122 is located in the second display area can be achieved .

In this embodiment, both the first display area 101 and the second display area 102 are provided with the power signal line VDD and the data signal line Data in the vertical direction, and are connected to the first display area. The same power signal line VDD or data signal line Data of the pixel driving circuit 121 and the second pixel driving circuit 122 runs through the first display area 101 and the second display area 102. The power signal line VDD and the data signal line Data located in the second display area 102 are made of transparent materials.

In an embodiment, the pixel driving circuit is obtained by sputtering and depositing a metal layer on the substrate 110 and agglomerating the metal layer. The pixel driving circuit is electrically connected to the pixel electrode through the via hole.

In an embodiment, the pixel electrode located in the second display area 102 is a transparent electrode.

At the same time, as shown in FIG. 8 and FIG. 9, the present application also provides a display device, including a display panel 1 and electronic components 2. The display panel 1 includes a first display area 101 and a second display area 102. The second display area 102 corresponds to the location of the electronic component 2. The display panel 1 includes a substrate 110, a driving circuit layer 120 and a light emitting function 130, wherein:

The driving circuit layer 120 has through holes in the second display area 102. The driving circuit layer 120 includes a first pixel driving circuit area 121 and a second pixel driving circuit area 122. The first pixel driving circuit area 121 A first pixel driving circuit for driving the pixels in the first display area 101 is formed, and the second pixel driving circuit area 122 is formed with a second pixel driving circuit for driving pixels in the second display 102 area. .

The present application provides a display device. The display panel includes a first display area and a second display area. The second display area corresponds to the position of the electronic component. The display panel includes a driving circuit layer and a light-emitting function layer. The driving circuit layer , There are through holes in the second display area, the drive circuit layer includes a first pixel drive circuit area and a second pixel drive circuit area, the first pixel drive circuit area is formed with a first pixel for driving the pixels in the first display area A driving circuit. The second pixel driving circuit area is formed with a second pixel driving circuit for driving pixels in the second display area. By providing through holes in the area of the drive circuit layer corresponding to the electronic components under the screen, and arranging the pixel drive circuit corresponding to the electronic component area under the screen in other display areas or non-display areas, the problem of the existing display panels having the under-screen camera area transparent The technical problem that light and display cannot have both.

In an embodiment, as shown in FIG. 8, the display device is an OLED display device. The OLED display device includes: a display panel 1, electronic components 2 and a cover 3.

The display panel 1 is the display panel described in any one of the above-mentioned embodiments corresponding to FIGS. 1 to 7, and its working principle is the same as that of the above-mentioned display panel 1. For details, please refer to the above-mentioned embodiment, which will not be repeated here. . The light-emitting function layer 130 of the display panel 1 includes one or more organic semiconductor thin films as the light-emitting layer for light-emitting display. Since the light-emitting function layer 130 is a whole layer, that is, in the first display area 101 and the There are pixel units in the second display area 102, and the pixel units have the same configuration. The pixels in the first display area 101 are controlled by the first drive circuit layer 121. The pixels of are controlled by the second driving circuit layer 122 to ensure that the display area 100 of the display panel 1 is fully displayed.

The electronic component 2 is generally a camera device that needs to absorb external light. The electronic component 2 is disposed in a position under the screen corresponding to the second display area 102 of the display panel 1. In the second display area 102, the circuit driving layer is set as a through hole, that is, there is no driving circuit layer, which prevents the active layer and metal layer in the driving circuit layer 120 from pairing with low light transmittance film materials. The light is blocked, thereby greatly improving the light transmittance of the second driving circuit layer in the second display area 102. At the same time, the pixel electrode in the second display area 102 is a transparent electrode, which further improves the light transmittance of the second display area in the display panel 1, thereby helping external light to effectively pass through the display panel 1. , Arrive at the electronic component 2 and be received by the under-screen camera, thereby high-quality imaging.

In addition, the pixels in the first display area 101 are driven by the first pixel driving circuit 121, and the second pixels in the second display area 102 are driven by the second pixel driving circuit 122. The pixel driving circuit of the first pixel and the second pixel located in the same row are connected to the same first scan signal line Scan(n), second scan signal line Scan(n-1), and reset signal line VI. , The pixel driving circuit of the first pixel and the second pixel located in the same column is connected to the same power supply signal line VDD and the data signal line Data, which realizes the synchronization circuit of the first display area and the second display area Control and screen display greatly increase the screen-to-body ratio of the display panel.

The cover plate 3 is generally a glass cover plate or a flexible cover plate, and the material of the cover plate 3 is a transparent and light-permeable material.

In one embodiment, as shown in FIG. 9, the display device is an LCD display device. The display device includes: a display panel 1, electronic components 2 and a back panel 3.

The display panel 1 is the display panel described in any one of the above-mentioned embodiments corresponding to FIGS. 1 to 7, and its working principle is the same as that of the above-mentioned display panel 1. For details, please refer to the above-mentioned embodiment, which will not be repeated here. . The light-emitting function layer 130 of the display panel 1 includes a color film layer to select the white light emitted by the back plate 3 to display the light-emitting color. Since the light-emitting function layer 130 is arranged in the entire display area 100, Both the first display area 101 and the second display area 102 have pixel units, and the pixel units have the same configuration, and the pixels in the first display area 101 are controlled by the first drive circuit layer 121. The pixels in the second display area 102 are controlled by the second driving circuit layer 122 to ensure that all the display areas 100 of the display panel 1 are displayed.

The electronic component 2 is generally a camera device that needs to absorb external light. The electronic component 2 is arranged between the display panel 1 and the back plate 3, and is located on the screen corresponding to the second display area 102. In the lower position, since the circuit driving layer is set as a through hole in the second display area 102 of the display panel 1, that is, there is no driving circuit layer, which avoids the active layer and the metal layer in the driving circuit layer 120 The film material with low light transmittance shields light, thereby greatly improving the light transmittance of the second driving circuit layer in the second display area 102. At the same time, the pixel electrode in the second display area 102 is a transparent electrode, which further improves the light transmittance of the second display area in the display panel 1, thereby helping external light to effectively pass through the display panel 1. , Arrive at the electronic component 2 and be received by the under-screen camera, thereby high-quality imaging.

The backplane 3 is generally a backlight module, which provides a light source for the LCD display device.

According to the above embodiment:

In summary, although the application has been disclosed as above in preferred embodiments, the above-mentioned preferred embodiments are not intended to limit the application, and those of ordinary skill in the art can make various decisions without departing from the spirit and scope of the application. Such changes and modifications, so the protection scope of this application is subject to the scope defined by the claims.

Claims

A display panel includes a first display area and a second display area. The second display area corresponds to a position of an electronic component. The display panel includes a driving circuit layer and a light-emitting function layer, wherein:

The driving circuit layer has a through hole in the second display area. The driving circuit layer includes a first pixel driving circuit area and a second pixel driving circuit area. The first pixel driving circuit area is formed to drive the A first pixel drive circuit for working pixels in the first display area, and a second pixel drive circuit for driving pixels in the second display area is formed in the second pixel drive circuit area.
3. The display panel of claim 1, wherein the first pixel driving circuit area and the second pixel driving circuit area are both located in the first display area.
8. The display panel of claim 1, wherein the display panel further comprises a non-display area arranged around the first display area, the second pixel driving circuit area is located in the non-display area, and the second A pixel driving circuit area is located in the first display area.
3. The display panel of claim 3, wherein the arrangement density of the second pixel drive circuit is greater than the arrangement density of the first pixel drive circuit.
The display panel according to claim 1, wherein the display panel further comprises a non-display area arranged around the first display area, the second pixel driving circuit area is located in the first display area, and part of the display area The first pixel driving circuit is located in the non-display area.
5. The display panel of claim 1, wherein the signal line in the second display area is made of a transparent material.
7. The display panel of claim 5, wherein the signal lines in the second display area are obtained by patterning a common electrode layer, and the signal lines are electrically connected to the pixel electrodes through via holes.
8. The display panel of claim 1, wherein the pixel electrode located in the second display area is a transparent electrode.
The display panel of claim 1, wherein the driving circuit layer includes a scanning signal line and a reset signal line extending in a horizontal direction, the second pixel driving circuit corresponding to a pixel in the second display area, and The first pixel driving circuit corresponding to the pixels in the first display area arranged in the same row of pixels in the second display area is electrically connected to the same scanning signal line and the reset signal line.
The display panel of claim 1, wherein the driving circuit layer includes a power signal line and a data signal line extending in a vertical direction, the second pixel driving circuit corresponding to a pixel in the second display area, and The first pixel driving circuit corresponding to the pixels in the first display area arranged in the same column as the pixels in the second display area is electrically connected to the same power signal line and data signal line.
A display device, which includes a display panel and electronic components, the display panel includes a first display area and a second display area, the second display area corresponds to the location of the electronic components, and the display panel includes: Drive circuit layer and light-emitting function layer, including:

The driving circuit layer has a through hole in the second display area. The driving circuit layer includes a first pixel driving circuit area and a second pixel driving circuit area. The first pixel driving circuit area is formed to drive the A first pixel drive circuit for working pixels in the first display area, and a second pixel drive circuit for driving pixels in the second display area is formed in the second pixel drive circuit area.
11. The display device of claim 11, wherein the first pixel driving circuit area and the second pixel driving circuit area are both located in the first display area.
11. The display device of claim 11, wherein the display panel further comprises a non-display area arranged around the first display area, the second pixel driving circuit area is located in the non-display area, and the A pixel driving circuit area is located in the first display area.
15. The display device of claim 13, wherein the arrangement density of the second pixel drive circuit is greater than the arrangement density of the first pixel drive circuit.
11. The display device of claim 11, wherein the display panel further comprises a non-display area provided around the first display area, the second pixel driving circuit area is located in the first display area, and a part of the display area The first pixel driving circuit is located in the non-display area.
11. The display device of claim 11, wherein the material of the signal line located in the second display area is a transparent material.
15. The display device of claim 15, wherein the signal lines in the second display area are obtained by patterning a common electrode layer, and the signal lines are electrically connected to the pixel electrodes through via holes.
11. The display device of claim 11, wherein the pixel electrode located in the second display area is a transparent electrode.
11. The display device of claim 11, wherein the driving circuit layer includes a scanning signal line and a reset signal line extending in a horizontal direction, the second pixel driving circuit corresponding to a pixel in the second display area, and The first pixel driving circuit corresponding to the pixels in the first display area arranged in the same row of pixels in the second display area is electrically connected to the same scanning signal line and the reset signal line.
11. The display device of claim 11, wherein the driving circuit layer includes a power signal line and a data signal line extending in a vertical direction, the second pixel driving circuit corresponding to a pixel in the second display area, and The first pixel driving circuit corresponding to the pixels in the first display area arranged in the same column as the pixels in the second display area is electrically connected to the same power signal line and data signal line.