CN210955904U - Display substrate, display panel and display device - Google Patents
Display substrate, display panel and display device Download PDFInfo
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- CN210955904U CN210955904U CN201922082112.7U CN201922082112U CN210955904U CN 210955904 U CN210955904 U CN 210955904U CN 201922082112 U CN201922082112 U CN 201922082112U CN 210955904 U CN210955904 U CN 210955904U
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Abstract
The application provides a display substrate, a display panel and a display device. The display area of the display substrate comprises a grain collection area. The display area is internally provided with a plurality of sub-pixels, a plurality of pixel circuits for driving the sub-pixels and signal lines, and the plurality of sub-pixels correspond to the plurality of pixel circuits one to one. The pixel circuit comprises at least two components, two adjacent components are electrically connected through a first wiring, and the pixel circuit is electrically connected with the signal line through a second wiring. At least part of the first routing wire in the texture acquisition region is made of transparent conductive materials; and/or, at least part of the section of the second routing wire in the texture acquisition region is made of transparent conductive material; and/or, at least part of the signal wire positioned in the texture acquisition region is made of transparent conductive material.
Description
Technical Field
The application relates to the technical field of display, in particular to a display substrate, a display panel and a display device.
Background
With the development of electronic technology, display screens of display devices are gradually developing towards full screens. In order to realize full-screen display and fingerprint identification, an optical fingerprint identification technology under a screen is developed.
For the display device, the fingerprint recognition sensor and the fingerprint light source may be disposed at the back of the display panel of the display device. However, the light transmittance of the display panel is generally low, so that the light intensity received by the texture recognition sensor is low, and the accuracy of the texture recognition sensor is low.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a display substrate, a display panel and a display device to improve the precision of a line recognition sensor.
According to a first aspect of embodiments of the present application, there is provided a display substrate, a display region of the display substrate comprising a texture acquisition region;
a plurality of sub-pixels, a plurality of pixel circuits for driving the sub-pixels and signal lines are arranged in the display area, and the plurality of sub-pixels correspond to the plurality of pixel circuits one to one;
the pixel circuit comprises at least two components, two adjacent components are electrically connected through a first wire, and the pixel circuit is electrically connected with the signal line through a second wire;
at least part of the first routing wire in the texture acquisition region is made of transparent conductive materials; and/or, at least part of the section of the second routing wire in the texture acquisition region is made of transparent conductive material; and/or, at least part of the signal wire positioned in the texture acquisition region is made of transparent conductive material.
In one embodiment, the display substrate further comprises a substrate, and the pixel circuit and the sub-pixels are sequentially formed on the substrate in a stacked manner; the sub-pixel comprises a first electrode, a light-emitting structure formed on the first electrode and a second electrode formed on the light-emitting structure;
the first wire at the texture acquisition region comprises a first section, and the first section is made of the transparent conductive material;
the orthographic projection of the first section on the substrate is not overlapped with the projection of the component on the substrate, and/or the orthographic projection of the first section on the substrate is not overlapped with the orthographic projection of the signal wire on the substrate, and/or the orthographic projection of the first section on the substrate is not overlapped with the orthographic projection of the first electrode on the substrate. So set up, by the light of user's line reflection when the region at first district section place, the transmissivity is higher, can effectively improve the luminousness in line collection district.
In one embodiment, the pixel circuit is a 7T1C circuit, the pixel circuit including an initialization transistor and a driving transistor;
one end of the first section is connected to the drain of the initialization transistor, and the other end of the first section is connected to the gate of the driving transistor. By the arrangement, the orthographic projection of the first section on the substrate is not overlapped with the projection of the component on the substrate, or is not overlapped with the projection of the signal line on the substrate, or is not overlapped with the projection of the first electrode on the substrate, and the light transmittance of the fingerprint acquisition area can be improved.
In one embodiment, the display substrate further comprises a substrate, and the pixel circuit and the sub-pixels are sequentially formed on the substrate in a stacked manner; the sub-pixel comprises a first electrode, a light-emitting structure formed on the first electrode and a second electrode formed on the light-emitting structure;
the second wire at the texture acquisition region comprises a second section, and the second section is made of the transparent conductive material;
the orthographic projection of the second section on the substrate is not overlapped with the projection of the component on the substrate, and/or the orthographic projection of the second section on the substrate is not overlapped with the orthographic projection of the signal wire on the substrate, and/or the orthographic projection of the second section on the substrate is not overlapped with the orthographic projection of the first electrode on the substrate. So set up, by the light of user's line reflection when the region at second district section place, the transmissivity is higher, can effectively improve the luminousness in line collection district.
In one embodiment, the pixel circuit is a 7T1C circuit, the signal line includes an initialization power supply line, the pixel circuit includes an initialization transistor;
one end of the second segment is connected to the initialization power supply line, and the other end of the second segment is connected to the source of the initialization transistor. By the arrangement, the orthographic projection of the second section on the substrate is not overlapped with the projection of the component on the substrate, or is not overlapped with the projection of the signal line on the substrate, or is not overlapped with the projection of the first electrode on the substrate, and the light transmittance of the fingerprint acquisition area can be improved.
In one embodiment, the display substrate further comprises a substrate on which the sub-pixels and the pixel circuits are formed; the sub-pixel comprises a first electrode, a light-emitting structure formed on the first electrode and a second electrode formed on the light-emitting structure;
the signal wire at the grain collection region comprises a third section, and the third section is made of the transparent conductive material;
the orthographic projection of the third section on the substrate is not overlapped with the projection of the component on the substrate, and/or the orthographic projection of the third section on the substrate is not overlapped with the orthographic projection of the signal wire on the substrate, and/or the orthographic projection of the third section on the substrate is not overlapped with the orthographic projection of the first electrode on the substrate;
the signal line comprises a data line comprising the third segment; and/or the signal line comprises a power line comprising the third segment.
So set up, by the light of user's line reflection when the region at third district place, the transmissivity is higher, can effectively improve the luminousness in line collection district.
In one embodiment, the transparent conductive material comprises indium tin oxide, or indium zinc oxide, or silver doped indium tin oxide, or silver doped indium zinc oxide. Thus, the light transmittance of the transparent conductive material is high. When the transparent conductive material is silver-doped indium tin oxide or silver-doped indium zinc oxide, the resistance can be reduced on the basis of ensuring high light transmittance.
In one embodiment, the display area comprises a first display area and a second display area, the light transmittance of the first display area is greater than that of the second display area, and the second display area comprises the texture acquisition area and a sub-display area surrounding at least a part of the texture acquisition area. The light transmittance through setting up first display area is greater than the light transmittance of second display area, then can set up the photosensitive device in first display area below, and the first display area of photosensitive device accessible is gathered or is emitted light to under the prerequisite of guaranteeing that the photosensitive device normally works, realize the full-face screen display of display substrates.
According to a second aspect of the embodiments of the present application, a display panel is provided, where the display panel includes the display substrate and the package structure.
According to a third aspect of embodiments of the present application, there is provided a display device including:
a housing;
the display panel is covered on the shell;
and the line identification sensor and the line light source are arranged below the line acquisition area of the display panel.
The embodiment of the application provides a display substrate, display panel and display device, be located the line of line collection district at least some sections of first line of walking and make by transparent conducting material, and/or, the line of line collection district at least some sections of second line of walking is made by transparent conducting material, and/or, the line of line collection district at least some sections of signal line are made by transparent conducting material, so can improve the luminousness of line collection district, make the amount of the line reflection's of line identification sensor receipt that sets up below line collection district more, help promoting the precision of line identification sensor.
Drawings
Fig. 1 is a top view of a display substrate according to an embodiment of the present disclosure;
fig. 2 is a circuit diagram of a pixel circuit of a display substrate according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a texture collecting region of a display substrate according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a display device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.
As in the background art, the light transmittance of the display panel of the display device is low, which results in that the amount of the detection light reflected by the grain of the user passes through the display panel is small, so that the detection light received by the grain identification sensor is small, and the detection accuracy of the grain identification sensor is affected.
The inventor researches and discovers that the component, the signal line and the wiring of the pixel circuit of the display panel have large influence on the transmittance of light, so that the amount of light reflected by the grains of a user passes through the display panel is small.
In order to solve the above problems, embodiments of the present application provide a display substrate, a display panel and a display device, which can solve the above problems well.
The display substrate, the display panel, and the display device in the embodiments of the present application will be described in detail below with reference to the accompanying drawings. The features of the following examples and embodiments can be supplemented or combined with each other without conflict. In the drawings, fig. 1 is a top view of a display substrate provided in an embodiment of the present application; fig. 2 is a circuit diagram of a pixel circuit of a display substrate according to an embodiment of the present disclosure; fig. 3 is a schematic structural diagram of a texture collecting region of a display substrate according to an embodiment of the present disclosure; fig. 4 is a schematic structural diagram of a display device according to an embodiment of the present application.
The embodiment of the application provides a display substrate. Referring to fig. 1, the display region of the display substrate 100 includes a texture collection region 21.
A plurality of sub-pixels, a plurality of pixel circuits for driving the sub-pixels, and signal lines are disposed in the display region of the display substrate 100, the plurality of sub-pixels and the plurality of pixel circuits are in one-to-one correspondence, and each pixel circuit is configured to drive a corresponding sub-pixel.
The pixel circuit comprises at least two components, and every two adjacent components are electrically connected through a first wiring. The components of the pixel circuit include a capacitor and a thin film transistor. The capacitor in the pixel circuit is electrically connected with the adjacent thin film transistors through the first wiring, and when the number of the thin film transistors in the pixel circuit is larger than or equal to two, the adjacent two thin film transistors are electrically connected through the first wiring.
The pixel circuit is electrically connected with the signal line through a second wiring. Specifically, the signal line is electrically connected to a thin film transistor in the pixel circuit. The signal lines may include data lines, scan lines, high-level power lines, low-level power lines, initialization signal lines, and the like.
At least part of the first routing wire in the texture acquisition region 21 is made of transparent conductive material; and/or, at least some sections of the second traces in the texture acquisition region 21 are made of transparent conductive material; and/or, at least part of the signal wire in the texture collection area 21 is made of transparent conductive material.
In the display substrate 100, components and traces in the pixel circuit are generally made of metal materials, and the light transmittance is low and is a main factor affecting the light transmittance of the display panel. The display substrate provided by the embodiment of the application, at least part of the section of the first line of walking that is located line collection area 21 is prepared by transparent conducting material, and/or, at least part of the section of the second line of walking that is located line collection area 21 is prepared by transparent conducting material, and/or, at least part of the section of the signal line that is located line collection area 21 is prepared by transparent conducting material, so can improve the luminousness of line collection area 21, make the amount of the line reflection light that line identification sensor that sets up below line collection area 21 received more, help promoting line identification sensor's precision.
The texture may include a fingerprint of the user or a palm print of the user.
In one embodiment, the display substrate 100 further includes a substrate, and the pixel circuit and the sub-pixel are sequentially stacked and formed on the substrate. The sub-pixel includes a first electrode, a light emitting structure formed on the first electrode, and a second electrode formed on the light emitting structure. In one embodiment, the first electrode may be an anode and the second electrode may be a cathode, wherein the second electrodes of the plurality of sub-pixels in the display area of the display substrate 100 may be one-piece face electrodes.
In one embodiment, the first trace located at the textured acquisition region 21 comprises a first section, which is prepared from the transparent conductive material.
In an exemplary embodiment, an orthographic projection of the first section on the substrate does not overlap with a projection of the component on the substrate. When the orthographic projection of the first section on the substrate and the orthographic projection of the element in the pixel circuit on the substrate are not overlapped, light reflected by the grains of a user cannot pass through the element in the pixel circuit when passing through the area where the first section is located, and when the first section is made of transparent conductive materials, the light transmittance of the grain collection area can be improved to a large extent.
In one exemplary embodiment, an orthographic projection of the first section on the substrate does not overlap with an orthographic projection of the signal line on the substrate. When the orthographic projection of the first section on the substrate and the orthographic projection of the signal line on the substrate are not overlapped, light reflected by the grains of a user cannot pass through the signal line when passing through the area where the first section is located, and when the first section is made of transparent conductive materials, the light transmittance of the grain collection area 21 can be improved to a great extent.
In an exemplary embodiment, an orthographic projection of the first section on the substrate does not overlap with an orthographic projection of the first electrode on the substrate. When the orthographic projection of the first section on the substrate and the orthographic projection of the first electrode on the substrate are not overlapped, light reflected by grains of a user cannot pass through the first electrode when passing through the area where the first section is located, and when the first section is made of transparent conductive materials, the light transmittance of the grain collection area 21 can be improved to a great extent.
In one embodiment, an orthogonal projection of the first segment on the substrate does not overlap with a projection of the component on the substrate, an orthogonal projection of the first segment on the substrate does not overlap with an orthogonal projection of the signal line on the substrate, and an orthogonal projection of the first segment on the substrate does not overlap with an orthogonal projection of the first electrode on the substrate. That is, when light reflected by the grains of the user passes through the region where the first section is located, the light cannot pass through the first electrode, the signal line and the components of the pixel circuit, and when the first section is made of a transparent conductive material, the light transmittance of the grain collection area can be effectively improved.
In one embodiment, the second trace at the textured acquisition region comprises a second section, the second section being made of the transparent conductive material.
In an exemplary embodiment, an orthographic projection of the second section on the substrate does not overlap with a projection of the component on the substrate. When the orthographic projection of the second section on the substrate and the orthographic projection of the element in the pixel circuit on the substrate are not overlapped, the light reflected by the grains of the user can not pass through the element in the pixel circuit when passing through the area where the second section is located, and when the second section is made of the transparent conductive material, the light transmittance of the grain collection area can be improved to a greater extent.
In one exemplary embodiment, an orthographic projection of the second section on the substrate does not overlap with an orthographic projection of the signal line on the substrate. When the orthographic projection of the second section on the substrate and the orthographic projection of the signal line in the pixel circuit on the substrate are not overlapped, the light reflected by the grains of the user cannot pass through the signal line when passing through the area where the second section is located, and when the second section is made of a transparent conductive material, the light transmittance of the grain collection area can be improved to a greater extent.
In an exemplary embodiment, an orthographic projection of the second section on the substrate does not overlap with an orthographic projection of the first electrode on the substrate. When the orthographic projection of the second section on the substrate is not overlapped with the orthographic projection of the first electrode on the substrate, light reflected by the grains of a user cannot pass through the first electrode when passing through the area where the second section is located, and therefore when the second section is made of transparent conductive materials, the light transmittance of the grain collection area can be improved to a large extent.
In one embodiment, an orthogonal projection of the second segment on the substrate does not overlap with a projection of the component on the substrate, an orthogonal projection of the second segment on the substrate does not overlap with an orthogonal projection of the signal line on the substrate, and an orthogonal projection of the second segment on the substrate does not overlap with an orthogonal projection of the first electrode on the substrate. That is, when passing through the region where the second section is located, the light reflected by the grains of the user cannot pass through the first electrode, the signal line and the components of the pixel circuit, and when the second section is made of the transparent conductive material, the light transmittance of the grain collection area can be effectively improved.
In one embodiment, the signal line at the textured acquisition region comprises a third section, the third section being prepared from the transparent conductive material.
In an exemplary embodiment, an orthographic projection of the third section on the substrate does not overlap with a projection of the component on the substrate. When the orthographic projection of the third section on the substrate and the orthographic projection of the element in the pixel circuit on the substrate are not overlapped, the light reflected by the grains of the user can not pass through the element in the pixel circuit when passing through the area where the third section is located, and when the third section is made of transparent conductive materials, the light transmittance of the grain collection area can be improved to a great extent.
In one exemplary embodiment, an orthographic projection of the third section on the substrate does not overlap with an orthographic projection of the signal line on the substrate. When the orthographic projection of the third section on the substrate and the orthographic projection of the signal line on the substrate are not overlapped, light reflected by the grains of a user cannot pass through the signal line when passing through the area where the third section is located, and when the third section is made of transparent conductive materials, the light transmittance of the grain collection area can be improved to a great extent.
In an exemplary embodiment, an orthographic projection of the third section on the substrate does not overlap with an orthographic projection of the first electrode on the substrate. When the orthographic projection of the third section on the substrate and the orthographic projection of the first electrode on the substrate are not overlapped, light reflected by grains of a user cannot pass through the first electrode when passing through the area where the third section is located, and when the third section is made of transparent conductive materials, the light transmittance of the grain collection area can be improved to a great extent.
In an exemplary embodiment, an orthogonal projection of the third section on the substrate does not overlap with a projection of the component on the substrate, an orthogonal projection of the third section on the substrate does not overlap with an orthogonal projection of the signal line on the substrate, and an orthogonal projection of the third section on the substrate does not overlap with an orthogonal projection of the first electrode on the substrate. That is, when passing through the region where the third section is located, the light reflected by the grains of the user cannot pass through the first electrode, the signal line and the components of the pixel circuit, and when the third section is made of a transparent conductive material, the light transmittance of the grain collection area can be effectively improved.
In one embodiment, the pixel circuit is a 7T1C circuit. In the 7T1C circuit shown in fig. 2, the pixel circuit includes seven transistors and a storage capacitor. The connection relationship of the seven transistors T1, T2, T3, T4, T5, T6, T7 and the storage capacitor C1 is shown in the figure. The transistor T2 is formed by connecting two tfts M1 and M2 in series, the tft M1 and M2 are equivalent to one transistor after being connected in series, the transistor T4 is formed by connecting two tfts M3 and M4 in series, and the tfts M3 and M4 are equivalent to one transistor after being connected in series, so the pixel circuit in fig. 2 is also considered to be a 7T1C circuit. In other embodiments, the transistors T2, T4 may each include a thin film transistor. In the pixel circuit shown in fig. 2, the transistors are all P-type transistors, and in other embodiments, the transistors in the pixel circuit may also be N-type transistors.
In the 7T1C circuit shown in fig. 2, the drain of the transistor T1 is connected to the Data line Data. The transistor T2 is an initialization transistor, the source of the initialization transistor T2 is connected to an initialization power supply line Vref, and the gate of the initialization transistor T2 is connected to the scan line S1. Specifically, the source of the initialization transistor T2 is electrically connected to the initialization power line through the trace AB. The gate of the transistor T3 is connected to the signal line S3. The gate of the transistor T4 is connected to the signal line S2. The transistor T4 is a drive transistor. The gate of the transistor T6 is connected to the light signal line EM, and the source of the transistor T6 is connected to the high-level power source line ELVDD. The drain of the transistor T7 is connected to the low-level power supply line ELVSS. The pixel circuit may also include a capacitor C2, the capacitor C2 being used for noise reduction.
In the texture acquisition region shown in fig. 3, the pixel circuit is a 7T1C circuit. Referring to fig. 3, the first trace located in the texture acquisition region 21 includes first sections 1011, 1012, 1013, one end of each of the first sections 1011, 1012, 1013 is connected to the drain 202 of the initialization transistor T2, and the other end of each of the first sections 1011, 1012, 1013 is electrically connected to the gate 301 of the driving transistor T4.
Wherein, the orthographic projection of the first section 1011 on the substrate overlaps with the orthographic projection of the first electrode 4011 of the sub-pixel on the substrate, the orthographic projection of the first section 1011 on the substrate partially overlaps with the orthographic projection of the scanning line S1 on the substrate, but the orthographic projection of the first section 1011 on the substrate does not overlap with the projection of the component of the pixel circuit on the substrate.
The orthographic projection of the first section 1012 on the substrate partially overlaps the orthographic projection of the scanning line S1 on the substrate, but the orthographic projection of the first section 1011 on the substrate does not overlap the orthographic projection of the first electrode of the sub-pixel on the substrate and the projection of the component of the pixel circuit on the substrate.
The orthographic projection of the first section 1013 on the substrate overlaps with the orthographic projection of the first electrode 4012 of the sub-pixel on the substrate, the orthographic projection of the first section 1013 on the substrate overlaps with the orthographic projection of the scanning line S1 on the substrate, but the orthographic projection of the first section 1013 on the substrate does not overlap with the projection of the component of the pixel circuit on the substrate.
In the texture acquisition region shown in fig. 3, the pixel circuit is a 7T1C circuit. The second trace includes second segments 1021, 1022, and 1023, one end of the second segments 1021, 1022, and 1023 is connected to the initialization power line Vref, and the other end of the second segments 1021, 1022, and 1023 is connected to the source 201 of the initialization transistor T2. The second sections 1021, 1022, 1023 are the connection lines AB shown in fig. 2. In the actual manufacturing process, the connection line CD, the connection line DE and the connection line AB are the same line, and are both the second segment.
The orthographic projections of the second section 1021 and the second section 1022 on the substrate partially overlap with the orthographic projection of the scanning line S1 on the substrate, but neither the orthographic projection of the second section 1021 and the second section 1022 on the substrate nor the orthographic projection of the first electrode on the substrate overlaps with the orthographic projection of the second section 1021 and the second section 1022 on the substrate nor the orthographic projection of the pixel circuit on the substrate.
The orthographic projection of the second section 1023 on the substrate partially overlaps the orthographic projection of the scanning line S1 on the substrate, the orthographic projection of the second section 1023 on the substrate overlaps the orthographic projection of the first electrode 4012 of the sub-pixel on the substrate, but the orthographic projection of the second section 1023 on the substrate does not overlap the orthographic projection of the component of the pixel circuit on the substrate.
In the texture acquisition region shown in fig. 3, the Data line Data includes the third sections 1031, 1032, 1033. The orthographic projections of the third segments 1031, 1033 on the substrate do not overlap with the orthographic projections of other signal lines on the substrate, the orthographic projections of the third segments 1031, 1033 on the substrate do not overlap with the orthographic projections of the components of the pixel circuit on the substrate, and the orthographic projections of the third segments 1031, 1033 on the substrate do not overlap with the orthographic projections of the first electrodes of the sub-pixels on the substrate.
An orthographic projection of the third section 1032 on the substrate overlaps with an orthographic projection of the first electrode 4013 of the sub-pixel on the substrate, but the orthographic projection of the third section 1032 on the substrate does not overlap with an orthographic projection of the signal line on the substrate, and does not overlap with an orthographic projection of a component of the pixel circuit on the substrate.
In other embodiments, when the pixel circuit is a 7T1C circuit, other portions of the trace or signal line can be made of transparent conductive material, and are not limited to the first segment, the second segment and the third segment shown in the figure.
In the embodiment shown in fig. 3, the pixel circuit is a 7T1C circuit only for example. In other embodiments, the pixel circuit may be other types of pixel circuits, such as 2T1C, 3T1C circuit, 5T1C circuit, and the like. When the pixel circuit is other types of circuits, the area of the trace or signal line replaced by the transparent trace may be different from that shown in fig. 3. For example, when the pixel circuit is a 2T1C circuit, the data line and the high-level power line can be partially made of transparent conductive materials.
In one embodiment, the transparent conductive material may comprise indium tin oxide, or indium zinc oxide, or silver doped indium tin oxide, or silver doped indium zinc oxide. Thus, the light transmittance of the transparent conductive material is high. When the transparent conductive material is silver-doped indium tin oxide or silver-doped indium zinc oxide, the resistance can be reduced on the basis of ensuring high light transmittance.
In one embodiment, referring to fig. 1, the display region of the display substrate 100 includes a first display region 10 and a second display region 20, and the light transmittance of the first display region 10 is greater than that of the second display region 20. The second display area 20 comprises the texture acquisition area 21 and at least a sub-display area 22 surrounding at least part of the texture acquisition area 21. The light transmittance of the first display region 10 is greater than that of the second display region 20, that is, the light transmittance of the first display region 10 is greater than that of the sub-display region 22 and is greater than that of the grain collection region 21.
The light transmittance through setting up first display area 10 is greater than the light transmittance of second display area 20, then can set up the photosensitive device in first display area 10 below, and photosensitive device accessible first display area 10 gathers or the transmission light to under the prerequisite of guaranteeing that photosensitive device normally works, realize display substrate's full screen display.
In one embodiment, the first display region comprises a transparent film layer, the material of the transparent film layer and the transparent conductive material of the texture acquisition region can be the same, and the section prepared from the transparent conductive material in the texture acquisition region and the transparent film layer of the first display region can be formed in the same process in the preparation process, which helps to reduce the complexity of the preparation process. The first display area is provided with a plurality of sub-pixels, and the transparent film layer of the first display area can be an anode layer of the sub-pixels.
In one embodiment, the light transmittance of the texture acquisition region 21 may be greater than that of the sub-display region 22, and the first routing lines, the second routing lines and the signal lines in the sub-display region 22 are all made of metal materials. In other embodiments, the light transmittance of the texture acquisition region 21 may be equal to the light transmittance of the sub-display region 22, partial sections of the first wire, the second wire and the signal wire in the texture acquisition region 21 are made of transparent conductive materials, and corresponding sections of the first wire, the second wire and the signal wire in the sub-display region 22 are made of transparent conductive materials.
The embodiment of the application also provides a display panel, which comprises the display substrate and the packaging structure in any embodiment. The encapsulation structure is located on a side of the display substrate 100 facing away from the substrate.
In one embodiment, the package structure may further include an encapsulation layer, a glass cover plate, a touch layer, a polarizer, and the like. The encapsulation layer may be a thin film encapsulation layer or a glass frit encapsulation layer.
When the display substrate includes a first display region and a second display region, the polarizer covers the second display region 20 and does not cover the first display region 10, or the polarizer covers the first display region 10 and the second display region 20. The polaroid can dissipate the reflected light on the surface of the display panel, and the use experience of a user is improved. When the first display area 10 is not provided with a polarizer, the light transmittance of the first display area 10 can be improved, and the normal operation of the photosensitive device arranged below the first display area 10 is ensured.
The embodiment of the application also provides a display device. Referring to fig. 4, the display device includes a housing 40, the display panel 200, the texture recognition sensor 50, and the texture light source 60. The display panel 200 includes the display substrate 100 and the package structure 30. The grain identification sensor 50 and the grain light source 60 are disposed below the grain collection area 21 of the display panel 200 and between the display panel 200 and the housing 40. When the texture recognition is performed, the texture of the user is placed on the package structure 30, and corresponds to the texture collection region 21. Line light source 60 transmission detects light, detects light and is reflected by user's line after passing through display panel 200, and the detection light that is reflected passes through line collection district 21 and enters into line identification sensor 50, and line identification sensor 50 acquires user's line information according to the detection light of receiving. Wherein, the light source 60 may be an infrared light source.
The display apparatus may further include an earpiece, a light sensing device 70, a distance sensor, etc., wherein the light sensing device 70 is disposed under the first display region 10. The light sensing device 70 may include at least one of a front-facing camera, an infrared sensor, an infrared lens, a flood sensing element, an ambient light sensor, and a dot matrix projector.
The display device can be a mobile phone, a tablet, a palm computer and other digital equipment.
It is noted that in the drawings, the sizes of layers and regions may be exaggerated for clarity of illustration. Also, it will be understood that when an element or layer is referred to as being "on" another element or layer, it can be directly on the other element or layer or intervening layers may also be present. In addition, it will be understood that when an element or layer is referred to as being "under" another element or layer, it can be directly under the other element or intervening layers or elements may also be present. In addition, it will also be understood that when a layer or element is referred to as being "between" two layers or elements, it can be the only layer between the two layers or elements, or more than one intermediate layer or element may also be present. Like reference numerals refer to like elements throughout.
In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A display substrate is characterized in that a display area of the display substrate comprises a grain collection area;
a plurality of sub-pixels, a plurality of pixel circuits for driving the sub-pixels and signal lines are arranged in the display area, and the plurality of sub-pixels correspond to the plurality of pixel circuits one to one;
the pixel circuit comprises at least two components, two adjacent components are electrically connected through a first wire, and the pixel circuit is electrically connected with the signal line through a second wire;
at least part of the first routing wire in the texture acquisition region is made of transparent conductive materials; and/or, at least part of the section of the second routing wire in the texture acquisition region is made of transparent conductive material; and/or, at least part of the signal wire positioned in the texture acquisition region is made of transparent conductive material.
2. The display substrate according to claim 1, wherein the display substrate further comprises a substrate, and the pixel circuit and the sub-pixel are sequentially formed on the substrate in a stacked manner; the sub-pixel comprises a first electrode, a light-emitting structure formed on the first electrode and a second electrode formed on the light-emitting structure;
the first wire at the texture acquisition region comprises a first section, and the first section is made of the transparent conductive material;
the orthographic projection of the first section on the substrate is not overlapped with the projection of the component on the substrate, and/or the orthographic projection of the first section on the substrate is not overlapped with the orthographic projection of the signal wire on the substrate, and/or the orthographic projection of the first section on the substrate is not overlapped with the orthographic projection of the first electrode on the substrate.
3. The display substrate according to claim 2, wherein the pixel circuit is a 7T1C circuit, the pixel circuit comprising an initialization transistor and a driving transistor;
one end of the first section is connected to the drain of the initialization transistor, and the other end of the first section is connected to the gate of the driving transistor.
4. The display substrate according to claim 1, wherein the display substrate further comprises a substrate, and the pixel circuit and the sub-pixel are sequentially formed on the substrate in a stacked manner; the sub-pixel comprises a first electrode, a light-emitting structure formed on the first electrode and a second electrode formed on the light-emitting structure;
the second wire at the texture acquisition region comprises a second section, and the second section is made of the transparent conductive material;
the orthographic projection of the second section on the substrate is not overlapped with the projection of the component on the substrate, and/or the orthographic projection of the second section on the substrate is not overlapped with the orthographic projection of the signal wire on the substrate, and/or the orthographic projection of the second section on the substrate is not overlapped with the orthographic projection of the first electrode on the substrate.
5. The display substrate according to claim 4, wherein the pixel circuit is a 7T1C circuit, the signal line includes an initialization power supply line, and the pixel circuit includes an initialization transistor;
one end of the second segment is connected to the initialization power supply line, and the other end of the second segment is connected to the source of the initialization transistor.
6. The display substrate according to claim 1, wherein the display substrate further comprises a substrate, and the pixel circuit and the sub-pixel are sequentially formed on the substrate in a stacked manner; the sub-pixel comprises a first electrode, a light-emitting structure formed on the first electrode and a second electrode formed on the light-emitting structure;
the signal wire at the grain collection region comprises a third section, and the third section is made of the transparent conductive material;
the orthographic projection of the third section on the substrate is not overlapped with the projection of the component on the substrate, and/or the orthographic projection of the third section on the substrate is not overlapped with the orthographic projection of the signal wire on the substrate, and/or the orthographic projection of the third section on the substrate is not overlapped with the orthographic projection of the first electrode on the substrate;
the signal line comprises a data line comprising the third segment; and/or the signal line comprises a power line comprising the third segment.
7. The display substrate of claim 1, wherein the transparent conductive material comprises indium tin oxide, or indium zinc oxide, or silver-doped indium tin oxide, or silver-doped indium zinc oxide.
8. The display substrate of any one of claims 1-7, wherein the display region comprises a first display region and a second display region, the first display region having a light transmittance greater than a light transmittance of the second display region, the second display region comprising the texture acquisition region and at least a sub-display region surrounding a portion of the texture acquisition region.
9. A display panel, comprising the display substrate and the package structure of any one of claims 1 to 8.
10. A display device, comprising:
a housing;
the display panel of claim 9, overlaid on the housing;
and the line identification sensor and the line light source are arranged below the line acquisition area of the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082112.7U CN210955904U (en) | 2019-11-27 | 2019-11-27 | Display substrate, display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082112.7U CN210955904U (en) | 2019-11-27 | 2019-11-27 | Display substrate, display panel and display device |
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| CN210955904U true CN210955904U (en) | 2020-07-07 |
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| CN201922082112.7U Active CN210955904U (en) | 2019-11-27 | 2019-11-27 | Display substrate, display panel and display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899648A (en) * | 2020-08-24 | 2020-11-06 | 云谷（固安）科技有限公司 | Display panel and display device |
| CN113809141A (en) * | 2021-10-22 | 2021-12-17 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN114512081A (en) * | 2020-11-16 | 2022-05-17 | 深圳市万普拉斯科技有限公司 | Display screen, driving method of display screen and display device |
| CN114822232A (en) * | 2021-01-29 | 2022-07-29 | 云谷（固安）科技有限公司 | Display panel |
| WO2022246744A1 (en) * | 2021-05-27 | 2022-12-01 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method therefor, and display apparatus |
-
2019
- 2019-11-27 CN CN201922082112.7U patent/CN210955904U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899648A (en) * | 2020-08-24 | 2020-11-06 | 云谷（固安）科技有限公司 | Display panel and display device |
| CN114512081A (en) * | 2020-11-16 | 2022-05-17 | 深圳市万普拉斯科技有限公司 | Display screen, driving method of display screen and display device |
| CN114822232A (en) * | 2021-01-29 | 2022-07-29 | 云谷（固安）科技有限公司 | Display panel |
| WO2022246744A1 (en) * | 2021-05-27 | 2022-12-01 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method therefor, and display apparatus |
| CN113809141A (en) * | 2021-10-22 | 2021-12-17 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN113809141B (en) * | 2021-10-22 | 2024-03-19 | 合肥维信诺科技有限公司 | Display panel and display device |
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