CN112436036B - Display substrate, display panel and display device - Google Patents
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- CN112436036B CN112436036B CN202011306926.5A CN202011306926A CN112436036B CN 112436036 B CN112436036 B CN 112436036B CN 202011306926 A CN202011306926 A CN 202011306926A CN 112436036 B CN112436036 B CN 112436036B
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
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- Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display substrate, a display panel and a display device, wherein the display substrate is provided with a first display area, a transition area and a second display area, the transition area is at least partially arranged around the first display area, the transition area is positioned between the first display area and the second display area, and the display substrate comprises: a substrate; the middle conductive layer comprises a plurality of middle wires which are arranged at intervals; an interlayer insulating film which is arranged on the side of the middle conductive layer, which is opposite to the substrate, covers the upper part of the middle conductive wires and fills the interval between the middle conductive wires, and at least the first surface of the interlayer insulating film, which is opposite to the side of the middle conductive layer, in the transition area is a flattened surface; the first metal layer comprises a plurality of first signal lines which are arranged on the interlayer insulating film and back to the substrate side, and the first signal lines which are positioned in the transition region are arranged on the flattened first surface. Through setting up the first surface of planarization, effectively avoid first signal line to produce the broken wire because of the uneven below rete.
Description
Technical Field
The invention belongs to the technical field of display, and particularly relates to a display substrate, a display panel and a display device.
Background
Along with the continuous development of technology, smart phones are increasingly widely applied to daily life of human beings, and the status of the display screen serving as an important component of the smart phones is also more important.
The comprehensive screen and the flexible screen are trends of future display screens, but the difficulty to overcome in realizing the comprehensive screen is the placement position of the camera, and the most popular technology at present is to place the camera by punching a hole at a specific position of the second display area. The camera is placed and brings new problems, namely, the frame in the hole digging area is narrow, the wiring space is tense, the width of the wiring is small, the wiring is easy to break, and the second display area is further poor in display such as bright line.
Accordingly, a new display substrate, display panel and display device are needed.
Disclosure of Invention
The embodiment of the invention provides a display substrate, a display panel and a display device, wherein a plurality of first signal lines of a first metal layer are arranged on a flattened first surface at intervals, so that the flatness of a first plane bearing the first signal lines is ensured, and the first signal lines are effectively prevented from being broken due to uneven lower film layers.
In one aspect, a display substrate is provided, where the display substrate has a first display area, a transition area and a second display area, the transition area is at least partially disposed around the first display area, and the transition area is located between the first display area and the second display area, and the display substrate includes: a substrate; the middle conductive layer is arranged on the substrate and comprises a plurality of middle wires which are arranged at intervals; an interlayer insulating film which is arranged on the side of the middle conductive layer, which is opposite to the substrate, wherein the interlayer insulating film covers the upper part of the middle conductive wire and fills the interval between the middle conductive wires, and at least the first surface of the interlayer insulating film, which is opposite to the side of the middle conductive layer, in the transition area is a flattened surface; the first metal layer comprises a plurality of first signal lines which are arranged on the interlayer insulating film and are opposite to the substrate side, and the first signal lines which are positioned in the transition region are arranged on the flattened first surface in a spaced mode.
According to one aspect of the invention, the interlayer insulating film comprises a first inorganic layer and a flattening layer, the flattening layer is at least arranged in the transition area, and the first inorganic layer is provided with a plurality of first grooves which are arranged at intervals in the second display area; the first inorganic layer is provided with a plurality of second grooves corresponding to the intervals among the intermediate wires in the transition area, and the leveling layer is filled in the second grooves so that the first inorganic layer and the leveling layer form the first surface together; the width of the first groove is greater than the width of the second groove in a width direction along the display substrate.
According to one aspect of the invention, the interlayer insulating film comprises a first inorganic layer and a flattening layer, the flattening layer is at least arranged in the transition area, and the first inorganic layer is provided with a plurality of first grooves which are arranged at intervals in the second display area; the first inorganic layer is provided with a plurality of second grooves corresponding to the intervals among the intermediate wires, and the leveling layer covers the first inorganic layer so that the leveling layer forms the first surface; the width of the first groove is greater than the width of the second groove in a width direction along the display substrate.
According to one aspect of the invention, the first signal line comprises a first sub-portion and a second sub-portion, at least part of the first sub-portion is located in the second display area, at least part of the second sub-portion is located in the transition area, and the width of the orthographic projection of the second sub-portion on the substrate is greater than or equal to the width of the orthographic projection of the first sub-portion on the substrate; preferably, the width of the orthographic projection of the second sub-portion on the substrate is 3 μm to 5 μm.
According to one aspect of the invention, the angle between the orthographic projection of the second sub-portion onto the substrate and the orthographic projection of the first sub-portion onto the substrate is greater than 90 °.
According to one aspect of the present invention, the second sub-portion includes a first segment and a second segment connected to each other, an extension track of the first segment matches an outer edge shape of the first display area, an included angle between the second segment and the first segment is greater than 90 °, the second segment is connected to the first sub-portion, and an included angle between the second segment and the first sub-portion is greater than 90 °.
According to an aspect of the present invention, the orthographic projection of the first signal line on the substrate and the orthographic projection of the second groove on the substrate do not overlap.
According to an aspect of the present invention, the intermediate wire includes a first sub-wire and a second sub-wire, orthographic projections of the first sub-wire and the second sub-wire on the substrate do not overlap, and the first sub-wire and the second sub-wire are arranged to be insulated from each other by the interlayer insulating film; preferably, the display device further comprises a pixel driving circuit, wherein the pixel driving circuit comprises an initialization voltage signal line, a data signal line and a scanning signal line, the first signal line is the data signal line, and the first sub-lead and the second sub-lead are the initialization voltage signal line or the scanning signal line.
Another aspect of an embodiment of the present invention provides a display panel, including: a display substrate according to any one of the above embodiments; and the light-emitting layer is laminated on one side of the display substrate, which is away from the substrate.
In still another aspect, the embodiment of the present invention further provides a display apparatus, including: a display panel, which is the display panel described in the above embodiment; an optical element is disposed corresponding to the first display region of the display substrate.
Compared with the prior art, the display substrate provided by the embodiment of the invention is provided with the first display area, the transition area and the second display area, the display substrate comprises a substrate, an intermediate conducting layer, an interlayer insulating film and a first metal layer, the intermediate conducting layer comprises a plurality of intermediate wires which are arranged at intervals, the interlayer insulating film covers the upper part of the intermediate wires and is filled in the intervals between the intermediate wires, namely, the intermediate wires can be buried in the hierarchical insulating film, the problem that the interlayer insulating film is uneven due to the fact that the interlayer insulating film is arranged on the surface which is flat and is opposite to the first conducting layer is effectively avoided, the first metal layer is arranged on the first surface which is opposite to the substrate and is opposite to the first conducting layer, and the first signal line of the first metal layer is arranged on the first surface which is flat and is opposite to the transition area.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a schematic structural diagram of a display substrate according to an embodiment of the present invention;
fig. 2 is a film layer structure diagram of a first display area of a display substrate according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating a first display area of a display substrate according to another embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of the Q area of FIG. 1, in accordance with an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of the Q area of FIG. 1 in accordance with an embodiment of the present invention;
fig. 6 is a film layer structure diagram of a display panel according to an embodiment of the present invention.
In the accompanying drawings:
100-displaying a substrate; 1-a substrate; 2-an intermediate wire; 21-a first subconductor; 22-second subconductors; 3-an interlayer insulating film; 31-a first inorganic layer; 32-flattening the layer; 4-a first signal line; 41-a first sub-section; 42-a second sub-section; 421-first stage; 422-second section; 5-planarizing the layer; AA 1-a first display area; AA 2-a second display area; a PA-transition zone; p1-a first surface; 200-display layer.
Detailed Description
Features and exemplary embodiments of various aspects of the invention are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
For a better understanding of the present invention, a display substrate, a display panel and a display device according to embodiments of the present invention are described in detail below with reference to fig. 1 to 6.
Referring to fig. 1 to 3, an embodiment of the present invention provides a display substrate 100 having a first display area AA1, a transition area PA and a second display area AA2, wherein the transition area PA is at least partially disposed around the first display area AA1, and the transition area PA is located between the first display area AA1 and the second display area AA2, and the display substrate includes: a substrate 1; the middle conductive layer is arranged on the substrate 1 and comprises a plurality of middle wires 2 which are arranged at intervals; an interlayer insulating film 3 provided on the side of the intermediate conductive layer facing away from the substrate 1, the interlayer insulating film 3 covering the intermediate conductive lines 2 and filling the space between the intermediate conductive lines 2, and a first surface P1 of the interlayer insulating film 3 facing away from the intermediate conductive layer being a planarized surface at least in the transition region PA; the first metal layer comprises a plurality of first signal lines 4 arranged on the interlayer insulating film back to the substrate side, and the first signal lines 4 positioned in the transition region PA are arranged on the flattened first surface P1 at intervals.
The display substrate provided by the embodiment of the invention is provided with the first display area AA1, the transition area PA and the second display area AA2, the display substrate comprises a substrate 1, an intermediate conducting layer, an interlayer insulating film 3 and a first metal layer, the intermediate conducting layer comprises a plurality of intermediate wires 2 which are arranged at intervals, the interlayer insulating film 3 covers the upper part of the intermediate wires 2 and is filled in the intervals between the intermediate wires 2, namely, the intermediate wires 2 are buried in the hierarchical insulating film 3, the first surface P1 of the interlayer insulating film 3 on the side facing away from the intermediate conducting layer is arranged to be a flattened surface, the problem that the interlayer insulating film 3 is uneven due to the fact that the interlayer insulating film 2 is arranged on the side facing away from the substrate 1, namely, the first surface P1 is provided with the first metal layer, the first signal wires 4 of the first metal layer are arranged on the flattened first surface P1 at intervals, the first signal wires 4 are not required to be increased in line width, the problem that the first signal wires 4 are not required to be increased, the signal wires 4 are not guaranteed to be conveniently broken, namely, the signal wires 4 are prevented from being broken off due to the fact that the first signal wires are not required to be flattened, and the first signal wires are prevented from being broken, and the first signal wires are not required to be broken, and the first signal wires are not required to pass through the first wire layer to be a flat layer, and the first signal wires are not to be broken, and the flat is prevented from being caused by the first wire layer.
The intermediate conductive line 2 of the intermediate conductive layer and the first signal line 4 of the first metal layer may be of various kinds, and the intermediate conductive line 2 and the first signal line 4 may include a scan line, a data line, a power line, a touch signal line, and the like.
Optionally, the light transmittance of the first display area AA1 is greater than the light transmittance of the second display area AA2, so as to ensure that the light receiving amount of the optical element disposed corresponding to the first display area AA1 when the display substrate 100 is applied to the display device, thereby improving the imaging effect of the optical element.
Optionally, a planarization layer 5 is disposed on a side of the first metal layer opposite to the substrate 1, and when the display substrate 100 provided in this embodiment is applied to a display device, a display module of the display device is disposed on a side of the planarization layer 5 opposite to the substrate 1, and the display effect is ensured by setting the planarization layer 5 to ensure the flatness of the display module during setting.
Referring to fig. 2, in order to form a planarized first surface P1, in some alternative embodiments, the interlayer insulating film 3 includes a first inorganic layer 31 and a planarizing layer 32, the planarizing layer 32 is disposed at least in the transition area PA, and the first inorganic layer 31 has a plurality of first grooves disposed at intervals in the second display area AA 2; the first inorganic layer 31 of the transition area PA is provided with a plurality of second grooves corresponding to the intervals between the intermediate wires 2, and the leveling layer 32 is filled in the second grooves, so that the first inorganic layer 31 and the leveling layer 32 together form a first surface P1; the width of the first groove is greater than the width of the second groove in the width direction of the display substrate.
It should be noted that, the first inorganic layer 31 has grooves at least in the second display area AA2 and the transition area PA, but since the second display area AA2 is more sufficient than the available space in the transition area PA, the width of the first grooves and the interval between the first grooves can be wider than the width of the second grooves and the interval between the second grooves, and in the second display area AA2, the first signal lines 4 can be disposed on the first inorganic layer 31 in the interval between the first grooves, or can be directly disposed in the plane in the first grooves, without any disconnection. In the transition area PA, the width of the transition area PA is limited, the width of the second grooves and the intervals between the second grooves are relatively smaller, and a planarization layer 32 is required to be disposed to form the first surface P1, so that the first signal line 4 located in the transition area PA is disposed on the first surface P1, and the problem that the first signal line 4 is broken due to the influence of the second grooves with relatively dense transition area PA is avoided.
Specifically, the first inorganic layer 31 covers the intermediate wires 2 and the intervals between the intermediate wires 2, and due to the influence of the intermediate wires 2, the first inorganic layer 31 has a plurality of second grooves corresponding to the intervals between the intermediate wires 2, and the second grooves are filled with the planarizing layer 32, so that the surface of the first inorganic layer 31 facing away from the substrate 1 and the surface of the planarizing layer 32 facing away from the substrate 1 are flush, so as to jointly form a planarized first surface P1, that is, in this embodiment, the planarizing layer 32 only needs to be filled in the grooves of the first inorganic layer 31, and does not need to cover other portions of the first inorganic layer 31, so that materials are saved, and the planarizing layer 32 can be made of organic materials or inorganic materials, for example, the same organic materials as those used for the planarizing layer 5 or the same inorganic materials as those used for the first inorganic layer 31.
Referring to fig. 3, in other embodiments, the interlayer insulating film 3 includes a first inorganic layer 31 and a planarization layer 32, the planarization layer 32 is disposed at least in the transition area PA, and the first inorganic layer 31 has a plurality of first grooves disposed at intervals in the second display area AA 2; the first inorganic layer 31 of the transition area PA is provided with a plurality of grooves corresponding to the intervals between the intermediate wires 2, and the leveling layer 32 covers the first inorganic layer 31, so that the leveling layer 32 forms a first surface P1; the width of the first groove is greater than the width of the second groove in the width direction of the display substrate 100.
The difference between this embodiment and the above embodiment is that, in this embodiment, the planarizing layer 32 covers the entire first inorganic layer 31, specifically, a part of the planarizing layer 32 is filled in the groove of the first inorganic layer 31, another part of the planarizing layer 32 covers other surfaces of the first inorganic layer 31, the first surface P1, that is, the surface of the planarizing layer 32 facing away from the substrate 1, does not need to fill each groove separately, and the integral forming process of the planarizing layer 32 is simpler and easier to operate, and optionally, in this embodiment, the planarizing layer 32 is made of an organic material that is the same as the material used for the planarizing layer 5, and has better flatness.
Referring to fig. 4, in some alternative embodiments, the first signal line 4 includes a first sub-portion 41 and a second sub-portion 42, at least a portion of the first sub-portion 41 is located in the second display area AA, at least a portion of the second sub-portion 42 is located in the transition area PA, and a width of an orthographic projection of the second sub-portion 42 on the substrate 1 is greater than or equal to a width of an orthographic projection of the first sub-portion 41 on the substrate 1; alternatively, the width of the orthographic projection of the second sub-portion 42 on the substrate 1 is 3 μm to 5 μm.
Optionally, the material of the first sub-portion 41 includes: at least one of aluminum, aluminum alloy, silver alloy, copper alloy, molybdenum and molybdenum alloy, namely, the first sub-portion 41 is a metal wire, the sheet resistance of the metal wire is small, the conductivity is good, and the metal wire is a non-transparent wire. The material of the second sub-portion 42 includes ITO (Indium tin oxide), which has a smaller sheet resistance than the transparent conductive wires made of other materials, and the conductive performance of the first signal line 4 can be improved by using ITO as the transparent conductive wires.
It should be noted that, after the first signal line 4 is disposed on the first plane P1, the routing width of the first signal line 4 is no longer affected by the lower film layer, so that the width of the orthographic projection of the second sub-portion 42 of the first signal line 4 on the substrate 1 may be set to be greater than or equal to the width of the orthographic projection of the first sub-portion 41 on the substrate 1, that is, the routing width of the second sub-portion 42 is greater than or equal to the routing width of the first sub-portion 41, and by increasing the routing width of the second sub-portion 42, the bending strength of the second sub-portion 42 may be effectively improved, the problem that the second sub-portion 42 breaks due to wire breakage may be avoided, and the service life of the display substrate 100 may be prolonged. Specifically, the width of the orthographic projection of the second sub-portion 42 on the substrate 1 is 4 μm, and the signal line is larger than the wiring width in the related art, so that breakage is less likely to occur.
To further avoid that the first signal line 4 breaks, which affects the transmission of the relevant signals, in some alternative embodiments the angle between the orthographic projection of the second sub-portion 42 onto the substrate 1 and the orthographic projection of the first sub-portion 41 onto the substrate 1 is larger than 90 °.
It will be appreciated that when the angle between the second sub-portion 42 and the first sub-portion 41 is too small, the bending performance of the first signal line 4 is affected, and the connection between the second sub-portion 42 and the first sub-portion 41 is prone to break, so that in this embodiment, the angle between the front projection of the second sub-portion 42 on the substrate 1 and the front projection of the first sub-portion 41 on the substrate 1 is set to be greater than 90 °, i.e. the angle is an obtuse angle, so as to reduce the possibility of breaking between the second sub-portion 42 and the first sub-portion 41, and ensure the service life of the first signal line 4.
Referring to fig. 5, in some alternative embodiments, the second sub-portion 42 includes a first segment 421 and a second segment 422 connected to each other, where an extension track of the first segment 421 matches an outer edge shape of the first display area, an included angle between the second segment 422 and the first segment 421 is greater than 90 °, the second segment 422 is connected to the first sub-portion 41, and an included angle between the second segment 422 and the first sub-portion 41 is greater than 90 °.
Specifically, since the transparent conductive wire is not 100% transparent in most cases, if the tracks of the first sections 421 are arranged in a straight line, two adjacent first sections 421 form a single slit diffraction, so that diffraction fringes are generated, and the further the central bright fringe is, the lower the brightness is, the stronger the diffraction problem exists when the first sections 421 are arranged in a straight line. Therefore, the extending track of the first section 421 is matched with the shape of the outer edge of the first display area, specifically, the first section 421 is configured to be arc-shaped, wave-shaped and gourd-shaped, so that the diffraction angles generated by each area are different, the light intensity difference rule generated by diffraction of each area is not obvious, the diffraction problem in the transition area PA is improved, and the photographing effect of the optical element is improved.
It should be noted that, the included angle between the second section 422 and the first section 421 is greater than 90 °, the second section 422 is connected to the first sub-portion 41, and the included angle between the second section 422 and the first sub-portion 41 is greater than 90 °, that is, the second section 422 is set for transition, so as to reduce the bending degree of the first signal line 4, and reduce the possibility of breakage of the first signal line 4.
In some alternative embodiments, the front projection of the first signal line 4 on the substrate 1 and the front projection of the second recess on the substrate 1 do not overlap. That is, the first signal line 4 is provided at a position where the transition region PA interlayer insulating film 3 is not provided with the second groove, and the flatness of the position where the first signal line 4 is located is improved.
In some alternative embodiments, the intermediate wire 2 includes a first sub-wire 21 and a second sub-wire 22, the orthographic projections of the first sub-wire 21 and the second sub-wire 22 on the substrate 1 do not overlap, and the first sub-wire 21 and the second sub-wire 22 are arranged insulated from each other by the interlayer insulating film 3; optionally, the pixel driving circuit further includes a pixel driving circuit including an initialization voltage signal line, a data signal line, and a scan signal line, the first signal line 4 is a data signal line, and the first sub-conductor 21 and the second sub-conductor 22 are initialization voltage signal lines or scan signal lines.
It should be noted that, the extending directions of the data signal line and the scan signal line are generally perpendicular to each other to define a pixel area, the data signal line and the scan signal line are respectively used for sending a data voltage signal and a scan voltage signal to the thin film transistor in the pixel driving circuit to realize normal display of the display panel, and the initialization voltage signal line is used for sending an initialization voltage signal to the pixel driving circuit to realize reset of the pixel driving circuit. In order to avoid the first sub-wire 21 and the second sub-wire 22 interfering with each other, the orthographic projections of the first sub-wire 21 and the second sub-wire 22 on the substrate 1 do not overlap, and the first sub-wire 21 and the second sub-wire 22 are arranged to be insulated from each other by the interlayer insulating film 3, specifically, the first sub-wire 21 and the second sub-wire 22 are arranged in different layers, that is, at least one interlayer insulating film 3 is arranged between the first sub-wire 21 and the second sub-wire 22. Of course, the first sub-conductor 21 and the second sub-conductor 22 may be provided in the same layer as long as they are insulated from each other.
Alternatively, the first inorganic layer 31 of the interlayer insulating film 3 may be a single-layer film structure, specifically, may be an inorganic material such as silicon nitride or silicon oxide, or may be a multi-layer film structure, specifically, the first inorganic layer 31 includes a buffer layer, a gate insulating layer, an intermediate layer, and at least one layer of insulating layers, so long as mutual insulation among the first signal line 4, the first sub-conductor 21, and the second sub-conductor 22 is ensured, and no signal interference occurs.
Referring to fig. 6, an embodiment of the present invention further provides a display panel, including: a display substrate 100, which is the display substrate 100 in any of the above embodiments; the light-emitting layer 200 is laminated on the side of the display substrate 100 facing away from the substrate 1.
The embodiment of the invention also provides a display device, which comprises: a display panel, which is the display panel in the above embodiment; the optical element is disposed corresponding to the first display area of the display substrate 100. Specifically, the optical element may be disposed at a position corresponding to the first display area under the display substrate 100.
It is understood that the optical element may be a camera, and the display device may be a mobile phone, a tablet computer, a computer display, a television, a wearable device, an information inquiry machine, or the like. The display device comprises the display panel provided by any embodiment of the present invention, and the technical principle and the effect of the display device are similar, and are not repeated here.
In the foregoing, only the specific embodiments of the present invention are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present invention is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present invention, and they should be included in the scope of the present invention.
It should also be noted that the exemplary embodiments mentioned in this disclosure describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, or may be performed in a different order from the order in the embodiments, or several steps may be performed simultaneously.
Claims (12)
1. A display substrate having a first display region, a transition region and a second display region, the transition region disposed at least partially around the first display region, the transition region located between the first display region and the second display region, the display substrate comprising:
a substrate;
the middle conductive layer is arranged on the substrate and comprises a plurality of middle wires which are arranged at intervals;
an interlayer insulating film which is arranged on the side of the middle conductive layer, which is opposite to the substrate, wherein the interlayer insulating film covers the upper part of the middle conductive wire and fills the interval between the middle conductive wires, and at least the first surface of the interlayer insulating film, which is opposite to the side of the middle conductive layer, in the transition area is a flattened surface;
the first metal layer comprises a plurality of first signal lines which are arranged on the interlayer insulating film and are opposite to the substrate side, and the first signal lines which are positioned in the transition region are arranged on the flattened first surface in a spaced mode.
2. The display substrate according to claim 1, wherein the interlayer insulating film comprises a first inorganic layer and a planarizing layer, the planarizing layer being provided at least in the transition region, the first inorganic layer having a plurality of first grooves provided at intervals in the second display region;
the first inorganic layer is provided with a plurality of second grooves corresponding to the intervals among the intermediate wires in the transition area, and the leveling layer is filled in the second grooves so that the first inorganic layer and the leveling layer form the first surface together;
the width of the first groove is greater than the width of the second groove in a width direction along the display substrate.
3. The display substrate according to claim 1, wherein the interlayer insulating film comprises a first inorganic layer and a planarizing layer, the planarizing layer being provided at least in the transition region, the first inorganic layer having a plurality of first grooves provided at intervals in the second display region;
the first inorganic layer is provided with a plurality of second grooves corresponding to the intervals among the intermediate wires, and the leveling layer covers the first inorganic layer so that the leveling layer forms the first surface;
the width of the first groove is greater than the width of the second groove in a width direction along the display substrate.
4. The display substrate of claim 1, wherein the first signal line comprises a first sub-portion and a second sub-portion, at least a portion of the first sub-portion is located in the second display region, at least a portion of the second sub-portion is located in the transition region, and a width of an orthographic projection of the second sub-portion on the substrate is greater than or equal to a width of an orthographic projection of the first sub-portion on the substrate.
5. The display substrate of claim 4, wherein the width of the orthographic projection of the second sub-portion on the substrate is 3 μm to 5 μm.
6. The display substrate of claim 4, wherein an angle between an orthographic projection of the second sub-portion onto the substrate and an orthographic projection of the first sub-portion onto the substrate is greater than 90 °.
7. The display substrate of claim 6, wherein the second sub-portion comprises a first segment and a second segment connected to each other, an extension trace of the first segment matching a shape of an outer edge of the first display area;
the included angle between the second section and the first section is larger than 90 degrees, the second section is connected with the first sub-portion, and the included angle between the second section and the first sub-portion is larger than 90 degrees.
8. A display substrate according to claim 3, wherein the orthographic projection of the first signal line on the substrate and the orthographic projection of the second groove on the substrate do not overlap.
9. The display substrate according to claim 1, wherein the intermediate wire includes a first sub-wire and a second sub-wire, orthographic projections of the first sub-wire and the second sub-wire on the substrate do not overlap, and the first sub-wire and the second sub-wire are arranged to be insulated from each other by the interlayer insulating film.
10. The display substrate according to claim 9, further comprising a pixel driving circuit including an initialization voltage signal line, a data signal line, and a scan signal line, wherein the first signal line is the data signal line, and wherein the first sub-wiring and the second sub-wiring are the initialization voltage signal line or the scan signal line.
11. A display panel, comprising:
a display substrate according to any one of claims 1 to 10;
and the light-emitting layer is laminated on one side of the display substrate, which is away from the substrate.
12. A display device, comprising:
a display panel according to claim 11;
an optical element is disposed corresponding to the first display region of the display substrate.
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| CN202011306926.5A CN112436036B (en) | 2020-11-20 | 2020-11-20 | Display substrate, display panel and display device |
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| CN104536207A (en) * | 2014-12-31 | 2015-04-22 | 京东方科技集团股份有限公司 | Display substrate and display device |
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| CN110890400A (en) * | 2018-09-11 | 2020-03-17 | 乐金显示有限公司 | Display device |
| CN111599853A (en) * | 2020-06-02 | 2020-08-28 | 京东方科技集团股份有限公司 | Display substrate and display panel |
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| CN104536207A (en) * | 2014-12-31 | 2015-04-22 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN110890400A (en) * | 2018-09-11 | 2020-03-17 | 乐金显示有限公司 | Display device |
| CN110211972A (en) * | 2019-05-23 | 2019-09-06 | 武汉华星光电半导体显示技术有限公司 | A kind of array substrate and display device |
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