CN112767870A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN112767870A CN112767870A CN202110129594.6A CN202110129594A CN112767870A CN 112767870 A CN112767870 A CN 112767870A CN 202110129594 A CN202110129594 A CN 202110129594A CN 112767870 A CN112767870 A CN 112767870A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2074—Display of intermediate tones using sub-pixels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2085—Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a display panel and a display device.A first light-emitting device is arranged in a first sub-display area, and a first pixel circuit connected with the first light-emitting device is arranged in a transition sub-display area, so that the higher light transmittance of the first sub-display area can be ensured; and the first pixel circuit is arranged in the transition sub-display area, so that the distance between the first pixel circuit and the first light-emitting device is ensured to be small, the signal transmission distance is shortened, and the probability of interference on signal transmission is ensured to be reduced. The scanning circuits of the corresponding stages positioned at the two sides of the display area simultaneously provide signals for the same scanning line, so that the condition of inconsistency of signal transmission of different sections of the scanning line is reduced, the first sub-display area can be designed to be positioned at any position of the display area, and the display effect of the display device is ensured to be high.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
With the continuous development of display technologies, the requirements of consumers on display panels are continuously improved, and various display panels are developed rapidly, such as liquid crystal display panels, organic light emitting display panels, and the like.
In recent years, in addition to the conventional functions of information display, the shape of the display panel is also gradually required to be improved, and the larger screen ratio is a trend of the future market, so that the display panel with the camera structure under the screen is popular with consumers. In the display panel with camera structure under the screen, the camera sets up in display panel's display area below, and light can pass display panel's display area directive camera to make the camera shoot the picture, nevertheless set up camera structure under the screen in display panel, make display panel's display effect worsen.
Disclosure of Invention
In view of this, the present invention provides a display panel and a display device, which effectively solve the technical problems in the prior art and improve the display effect of the display device.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a display panel, comprising:
the display area comprises a first sub-display area and a second sub-display area positioned outside the first sub-display area, and the second sub-display area comprises a transition sub-display area which is arranged along a first direction and adjacent to at least one side of the first sub-display area;
the light emitting device comprises a first light emitting device row, a second light emitting device row, a first sub-display area, a second sub-display area and a second sub-display area, wherein the first light emitting device row, the second light emitting device row and the Nth light emitting device row are positioned in the display area and are sequentially arranged along a first direction, the first light emitting device row and the Nth light emitting device row are positioned in the display area, the first light emitting device row is positioned in the first sub-display area, the second light emitting device row is positioned in the second sub-display area, the light transmittance of the first sub-display area;
the light emitting devices in each light emitting device row are respectively connected with a pixel circuit, the pixel circuit connected with the first light emitting device is a first pixel circuit, the first pixel circuit is positioned in the transition sub-display area, and the first pixel circuits connected with the first light emitting devices in the same row are positioned on the same side of the first sub-display area;
a plurality of scanning lines including first to nth scanning lines, an ith scanning line connected to the pixel circuits connected to the ith light emitting device row, i being a positive integer less than or equal to N;
and a first side first-stage scanning circuit to a first side Nth-stage scanning circuit and a second side first-stage scanning circuit to a second side Nth-stage scanning circuit are respectively arranged along the second direction and at two sides of the display area, two ends of the ith scanning line are respectively connected with the first side ith scanning circuit and the second side ith scanning circuit, and the first direction is vertical to the second direction.
Optionally, all the first pixel circuits are located on the same side of the first sub-display area.
Optionally, the first sub-display area includes a first light emitting device in the first light emitting device row, wherein all the first pixel circuits are located on a side of the first sub-display area facing the nth light emitting device row.
Optionally, the first pixel circuits connected to the first light emitting devices in the same row are sequentially arranged in the first pixel circuit row along the second direction.
Optionally, the first pixel circuit is located in a gap between adjacent light emitting device rows in the first to nth light emitting device rows.
Optionally, the second light emitting device density of the transition sub-display region is less than the second light emitting device density of the rest region of the second sub-display region.
Optionally, the display area further includes a first buffer sub-display area and a second buffer sub-display area along the second direction and located at two sides of the first sub-display area;
the second light-emitting device comprises buffer light-emitting devices positioned at the first buffer sub-display area and the second buffer sub-display area, a pixel circuit connected with the buffer light-emitting devices is a buffer pixel circuit, the buffer pixel circuit is positioned in the transition sub-display area, and the buffer light-emitting devices in the same row and the pixel circuits connected with the first light-emitting devices are positioned at the same side of the first sub-display area;
and the scanning lines connected with the buffer pixel circuits and the first pixel circuits extend and are connected to the transition sub-display areas along the side edges of the first sub-display areas in the second direction at the first buffer sub-display areas and the second buffer sub-display areas.
Optionally, a scan line connected to the buffer pixel circuit and the first pixel circuit, the scan line being located in a section of the first buffer sub-display region and the second buffer sub-display region, and overlapping with the anode of the buffer light emitting device in a direction perpendicular to the surface of the display panel in an insulating manner.
Optionally, the scan lines include a first type scan line and a second type scan line, and the first type scan line is connected to the first pixel circuit;
wherein the first type scanning lines are located in the section of the transition sub-display area and are arranged in different layers with the second type scanning lines.
Optionally, the first light emitting device includes an anode, a light emitting layer, and a cathode, which are sequentially stacked, where a gap is formed between the cathodes of different first light emitting devices;
or the first light emitting device comprises an anode, a light emitting layer and a cathode which are sequentially superposed, wherein the cathode of different first light emitting devices extends and contacts to form a whole surface structure.
Correspondingly, the invention further provides a display device which comprises the display panel.
Compared with the prior art, the technical scheme provided by the invention at least has the following advantages:
the invention provides a display panel and a display device.A first light-emitting device is arranged in a first sub-display area, and a first pixel circuit connected with the first light-emitting device is arranged in a transition sub-display area, so that the higher light transmittance of the first sub-display area can be ensured; and the first pixel circuit is arranged in the transition sub-display area, so that the distance between the first pixel circuit and the first light-emitting device is ensured to be small, the signal transmission distance is shortened, and the probability of interference on signal transmission is ensured to be reduced. The scanning circuits of the corresponding stages positioned at the two sides of the display area simultaneously provide signals for the same scanning line, so that the condition of inconsistency of signal transmission of different sections of the scanning line is reduced, the first sub-display area can be designed to be positioned at any position of the display area, and the display effect of the display device is ensured to be high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background art, in addition to the conventional information display function, the shape of the display panel is also gradually required to be improved, and the larger screen ratio is a trend of the future market, so that the display panel having the under-screen camera structure is popular with consumers. In the display panel with camera structure under the screen, the camera sets up in display panel's display area below, and light can pass display panel's display area directive camera to make the camera shoot the picture, nevertheless set up camera structure under the screen in display panel, make display panel's display effect worsen.
Accordingly, the embodiment of the invention provides a display panel and a display device, which effectively solve the technical problems in the prior art and improve the display effect of the display device.
To achieve the above object, the technical solutions provided by the embodiments of the present invention are described in detail below, specifically with reference to fig. 1 to 10.
Referring to fig. 1, a schematic structural diagram of a display panel according to an embodiment of the present invention is shown, where the display panel includes:
the display device includes a display area 100, the display area includes a first sub-display area 110 and a second sub-display area 120 located outside the first sub-display area 110, and the second sub-display area 120 includes a transition sub-display area 130 arranged along a first direction Y and adjacent to at least one side of the first sub-display area 110.
The light emitting device array includes a first light emitting device row to an nth light emitting device row which are located in the display area 100 and sequentially arranged along a first direction Y, the light emitting device includes a first light emitting device 201 and a second light emitting device 202, the first light emitting device 201 is located in the first sub-display area 110, the second light emitting device 202 is located in the second sub-display area 120, a light transmittance of the first sub-display area 110 is greater than a light transmittance of the second sub-display area 120, and N is an integer greater than 2.
The light emitting device in each light emitting device row is respectively connected to a pixel circuit, the pixel circuit connected to the first light emitting device 201 is a first pixel circuit 210, wherein the first pixel circuit 210 is located in the transition sub-display region 130, and the first pixel circuits 210 connected to the first light emitting devices 201 in the same row are both located on the same side of the first sub-display region 110.
A plurality of scan lines 300 including first to nth scan lines, the ith scan line being connected to the pixel circuits connected to the ith light emitting device row, i being a positive integer less than or equal to N;
along the second direction X and located at two sides of the display area 100, a first-side first-stage scanning circuit to a first-side nth-stage scanning circuit (e.g., the first-side first-stage scanning circuit 411 to the first-side sixth-stage scanning circuit 416 shown in fig. 1) and a second-side first-stage scanning circuit to a second-side nth-stage scanning circuit (e.g., the second-side first-stage scanning circuit 421 to the second-side sixth-stage scanning circuit 426 shown in fig. 1) are respectively disposed, two ends of the ith scanning line are respectively connected to the first-side ith scanning circuit and the second-side ith scanning circuit, and the first direction Y is perpendicular to the second direction X.
In an embodiment of the present invention, the density of the second light emitting devices 202 in the transition sub-display region 130 is less than the density of the second light emitting devices 202 in the remaining region of the second sub-display region 120. The density of the second light-emitting devices in the transition sub-display area is set to be smaller than that of the second light-emitting devices in the rest areas of the second sub-display area, so that the spare area of the transition sub-display area is larger, and the layout of the first pixel circuits in the transition sub-display area is convenient; meanwhile, the transition of the display brightness between the second sub-display area and the first display area can be achieved, and the display effect is further improved. Alternatively, the density of the second light emitting devices of the transition sub-display region may be equal to or greater than the density of the first light emitting devices of the first sub-display region, and the present invention is not particularly limited thereto.
It should be noted that, in the embodiment of the present invention, the light transmittance of the first sub-display area is greater than that of the second sub-display area, optionally the above object may be achieved by setting the density of the light emitting devices of the first sub-display area to be less than that of the light emitting devices of the second sub-display area (specifically, the light emitting device row of the display area does not include the first light emitting devices, or the distance between the adjacent first light emitting devices in the light emitting device row is set to be greater than the distance between the adjacent second light emitting devices, and the like, and the present invention is not particularly limited thereto), or the above object may be achieved by setting the thickness of the film at the first sub-display area to be less than that at the second sub-display area, or the above object may be achieved by setting the size of the first light emitting devices at the first sub-display area to be less than that of the second light emitting devices, or the occupied area of the metal structure in the first display region can be optionally reduced to achieve the above purpose, and the present invention is not particularly limited, and needs to be specifically designed according to practical applications.
As can be seen from the above, in the technical solution provided in the embodiment of the present invention, the first light emitting device is disposed in the first sub-display region, and the first pixel circuit connected to the first light emitting device is disposed in the transition sub-display region, so that the light transmittance at the first sub-display region can be ensured to be high; and the first pixel circuit is arranged in the transition sub-display area, so that the distance between the first pixel circuit and the first light-emitting device is ensured to be small, the signal transmission distance is shortened, and the probability of interference on signal transmission is ensured to be reduced. And, the embodiment of the present invention provides the corresponding scanning circuits located at two sides of the display area to provide signals for the same scanning line at the same time, so as to reduce the inconsistency of signal transmission in different sections of the scanning line, further, the first sub-display area can be designed to be located at any position of the display area, and the display effect of the display device is ensured to be high.
That is, the first sub-display area provided in the embodiment of the present invention may be disposed in a central area of the display area in the second direction, or the first sub-display may be disposed at a position of the display area close to the first side scanning circuit in the second direction, or the first sub-display may be disposed at a position of the display area close to the second side scanning circuit in the second direction, which is not limited in the present invention. The scanning circuits of the corresponding stages positioned at the two sides of the display area simultaneously provide signals for the same scanning line, so that the condition of inconsistency of signals transmitted by different sections of the scanning line can be reduced, no matter where the first sub-display area is arranged in the display area, the difference of the signals transmitted by the scanning line to different pixel circuits is small, the condition of split display of the display device can be avoided, and the display effect of the display device is improved.
In an embodiment of the invention, the first pixel circuits connected to the first light emitting devices in the same row are all located on the same side of the first sub-display area, so that the connection between the scanning line and the first pixel circuits connected to the first light emitting devices in the same row can be facilitated, and the wiring difficulty can be reduced. Furthermore, all the first pixel circuits provided by the embodiment of the invention are located on the same side of the first sub-display area, so that the first pixel circuits can be uniformly arranged, the connection between the scanning lines and the first pixel circuits is more convenient, and the wiring difficulty is further reduced. As shown in fig. 2, which is a schematic structural diagram of another display panel according to an embodiment of the present invention, all the first pixel circuits 210 are located in the transition sub-display regions 130 on the same side of the first sub-display region 110, and when designing all the scan lines 300 connected to the first pixel circuits 210, only the scan lines 300 need to be bent toward the same direction when extending to the first sub-display region 110, so as to achieve the purpose of uniformly laying out the first pixel circuits 210 and facilitating the connection between the scan lines 300 and the first pixel circuits 210.
As shown in fig. 3, which is a schematic structural diagram of another display panel provided in an embodiment of the present invention, wherein the first sub-display area 110 provided in the present invention includes first light emitting devices 201 in the first light emitting device row, and all of the first pixel circuits 210 are located on a side of the first sub-display area 110 facing the nth light emitting device row. That is, the first sub-display region 110 provided in the embodiment of the present invention is located at an end position of the display region 100 in the first direction Y, and the second sub-display region 120 includes only the transition sub-display region 130 of the first sub-display region 110 toward the nth light emitting device row side. Furthermore, by disposing the first sub-display area 110 at the end position of the first direction Y, it can be avoided that the data line 500 connected to the first pixel circuit 210 is routed to the other side of the first sub-display area 110 in the first direction Y when extending to the first sub-display area 110 along the first direction Y, and the data line 500 is connected to all the first pixel circuits 210 only at one side of the first sub-display area 110 facing the nth light emitting device row, so that the wiring difficulty is reduced, and the panel space utilization rate is increased.
In an embodiment of the present invention, the arrangement of the first pixel circuits may be optimized, so as to further reduce the wiring difficulty. Referring to any one of fig. 1 to fig. 3, the first pixel circuits 210 connected to the first light emitting devices 201 in the same row are sequentially arranged in a first pixel circuit row along the second direction X according to an embodiment of the present invention. That is, when the first pixel circuits connected to the first light emitting devices 201 in the row are arranged in a row structure in which the first pixel circuits are sequentially arranged in the second direction, and the first pixel circuits are regularly arranged, and the scanning line is connected to the first pixel circuits which are regularly arranged, the wiring difficulty can be further reduced.
As shown in any one of fig. 1 to fig. 3, the first pixel circuit 210 provided in the embodiment of the present invention is located in a gap between adjacent light emitting device rows in the first to nth light emitting device rows, so as to reduce an influence on a pixel structure layout of the second sub-display area. The panel space utilization rate is improved, and at the same time, the light transmission area of the first sub-display region 110 can be increased. As shown in fig. 2, the first pixel circuits 210 connected to the first light emitting devices 201 in different rows provided by the embodiment of the invention may be all located at the gap between the adjacent second light emitting devices 202 in the same second light emitting device row in the transition sub-display region 130. Alternatively, as shown in fig. 4, a schematic structural diagram of another display panel provided in the embodiment of the present invention is shown, wherein the first pixel circuits 210 connected to the first light emitting devices 201 in different rows are located at the gaps between the adjacent second light emitting devices 202 in different second light emitting device rows in the transition sub-display region 130, and the present invention is not limited in particular. Optionally, when the pixel circuits in the display panel are densely arranged, a part of the second pixel circuits may be removed to leave a space for placing the first pixel circuits, and at this time, the panel light emitting display may be implemented in a manner that one pixel circuit drives a plurality of light emitting devices, or may be implemented in a manner that one pixel circuit drives one light emitting device.
As shown in fig. 5, which is a schematic structural diagram of another display panel provided in the embodiment of the present invention, wherein the display area 100 further includes a first buffer sub-display area 141 and a second buffer sub-display area 142 along the second direction X and located at two sides of the first sub-display area 110.
The second light emitting device 202 includes a buffer light emitting device 2021 located at the first buffer sub-display region 141 and the second buffer sub-display region 142, a pixel circuit connected to the buffer light emitting device 2021 is a buffer pixel circuit 2201, the buffer pixel circuit 2201 is located in the transition sub-display region 130, and the pixel circuits connected to the buffer light emitting device 2201 and the first light emitting device 201 in the same row are both located at the same side of the first sub-display region 110.
Wherein, the scan line connected to the buffer pixel circuit 2201 and the first pixel circuit 210 is connected to the transition sub-display region 130 at the first buffer sub-display region 141 and the second buffer sub-display region 142 along the side of the first sub-display region 110 in the second direction X.
It can be understood that, in the display panel provided in the embodiment of the present invention, along the second direction, the first buffer sub-display area and the second buffer sub-display area are disposed on two sides of the first sub-display area, and the buffer pixel circuits connected to the buffer light emitting devices in the first buffer sub-display area and the second buffer sub-display area are disposed in the transition sub-display area, so that a wiring space can be reserved at the first buffer sub-display area and the second buffer sub-display area, thereby facilitating the wiring of the scan lines; when the scanning line extends to the buffer sub-display area, the scanning line bends along the extending direction of the side edge of the first sub-display area and extends to the transition sub-display area to be connected with the pixel circuit.
As further shown in fig. 6, the scan line 300 connected to the buffer pixel circuit 2201 and the first pixel circuit 210, the scan line 300 is located in a section 1403 of the first buffer sub-display region 1401 and the second buffer sub-display region 1402, and is insulated from and overlapped with the anode of the buffer light emitting device 2201 in a direction perpendicular to the plane of the display panel. Due to the fact that the number of pixels of the display panel is large, wiring space can be reserved through arrangement of the first buffer sub-display area and the second buffer sub-display area, and wiring difficulty is reduced; furthermore, the section of the scanning line at the buffer sub-display area can also be overlapped with the buffer light-emitting device, that is, the area of the buffer light-emitting device can also be used as a reserved wiring space, and the area of the wiring space is further enlarged.
It should be noted that, the segments of the different scan lines located in the buffer sub-display area provided in the embodiment of the present invention may be located in the same layer or different layers, and the present invention is not particularly limited and needs to be specifically designed according to practical applications.
As shown in fig. 7, which is a schematic structural diagram of another display panel according to an embodiment of the present invention, wherein the scan lines according to the embodiment of the present invention include a first-type scan line 310 and a second-type scan line 320, and the first-type scan line 310 is connected to the first pixel circuit 210; wherein the first scan lines 310 and the second scan lines 320 are arranged in different layers. Further, when the first-type scanning lines 310 and the second-type scanning lines 320 have the overlapping region 301, the wiring of the first-type scanning lines 310 and the second-type scanning lines 320 provided in different layers is facilitated, and it is not necessary to provide a bridge structure or the like at the overlapping region 301. In other embodiments of the present invention, the first-type scanning lines and the second-type scanning lines provided by the present invention may also be disposed in the same layer, or a part of the first-type scanning lines and the second-type scanning lines are disposed in the same layer, and another part of the first-type scanning lines and the second-type scanning lines are disposed in different layers, or a part of the area of the first-type scanning lines and the second-type scanning lines are disposed in the same layer, and another part of the section of the first-type scanning lines and the second-type scanning lines are disposed in different layers, which need to be specifically designed according to actual applications.
In an embodiment of the invention, the first light emitting device provided by the invention includes an anode, a light emitting layer and a cathode which are sequentially stacked, wherein a gap is formed between the cathodes of different first light emitting devices. As shown in fig. 8, which is a schematic structural diagram of another display panel provided in an embodiment of the present invention, the display panel includes:
a base substrate 610.
An anode layer on the substrate 610, the anode layer including a plurality of anodes 620 independent of each other.
A pixel defining layer 630 located at a side of the anode layer facing away from the substrate 610, the pixel defining layer 630 comprising a plurality of openings, each opening exposing an anode 620.
And a light emitting layer 640 positioned in the opening.
And a cathode 650 positioned at a side of the light emitting layer 640 facing away from the substrate 610, wherein, at the first sub-display region 110, a gap is provided between the cathodes 650 of different first light emitting devices.
Or, the first light emitting device provided by the embodiment of the invention includes an anode, a light emitting layer and a cathode which are sequentially stacked, where the cathodes of different first light emitting devices extend and contact to form a whole surface structure. As shown in fig. 9, which is a schematic structural diagram of another display panel provided in an embodiment of the present invention, the display panel includes:
a base substrate 610.
An anode layer on the substrate 610, the anode layer including a plurality of anodes 620 independent of each other.
A pixel defining layer 620 located at a side of the anode layer facing away from the substrate 610, the pixel defining layer 620 comprising a plurality of openings, each opening exposing an anode 620.
And a luminescent layer 630 disposed within the opening.
And a cathode 640 located at a side of the light emitting layer 630 away from the substrate 610, wherein at the first sub-display region 110, the cathodes 640 of different first light emitting devices are in extended contact with each other to form a whole surface structure.
It should be noted that the substrate provided in the embodiments of the present invention includes a supporting substrate and a transistor array layer located between the supporting substrate and the anode layer, which is the same as the prior art, and therefore, redundant description is not repeated in the present invention.
Correspondingly, the embodiment of the invention also provides a display device, and the display device comprises the display panel provided by any one of the embodiments.
Fig. 10 is a schematic structural diagram of a display device according to an embodiment of the present invention, where the display device 1000 according to the embodiment of the present invention may be a mobile terminal device.
Optionally, the display device provided by the present invention may also be an electronic display device such as a computer and a wearable display device, and the present invention is not particularly limited.
The embodiment of the invention provides a display panel and a display device, wherein a first light-emitting device is arranged in a first sub-display area, and a first pixel circuit connected with the first light-emitting device is arranged in a transition sub-display area, so that the higher light transmittance of the first sub-display area can be ensured; and the first pixel circuit is arranged in the transition sub-display area, so that the distance between the first pixel circuit and the first light-emitting device is ensured to be small, the signal transmission distance is shortened, and the probability of interference on signal transmission is ensured to be reduced. And, the embodiment of the present invention provides the corresponding scanning circuits located at two sides of the display area to provide signals for the same scanning line at the same time, so as to reduce the inconsistency of signal transmission in different sections of the scanning line, further, the first sub-display area can be designed to be located at any position of the display area, and the display effect of the display device is ensured to be high.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. A display panel, comprising:
the display area comprises a first sub-display area and a second sub-display area positioned outside the first sub-display area, and the second sub-display area comprises a transition sub-display area which is arranged along a first direction and adjacent to at least one side of the first sub-display area;
the light emitting device comprises a first light emitting device row, a second light emitting device row, a first sub-display area, a second sub-display area and a second sub-display area, wherein the first light emitting device row, the second light emitting device row and the Nth light emitting device row are positioned in the display area and are sequentially arranged along a first direction, the first light emitting device row and the Nth light emitting device row are positioned in the display area, the first light emitting device row is positioned in the first sub-display area, the second light emitting device row is positioned in the second sub-display area, the light transmittance of the first sub-display area;
the light emitting devices in each light emitting device row are respectively connected with a pixel circuit, the pixel circuit connected with the first light emitting device is a first pixel circuit, the first pixel circuit is positioned in the transition sub-display area, and the first pixel circuits connected with the first light emitting devices in the same row are positioned on the same side of the first sub-display area;
a plurality of scanning lines including first to nth scanning lines, an ith scanning line connected to the pixel circuits connected to the ith light emitting device row, i being a positive integer less than or equal to N;
and a first side first-stage scanning circuit to a first side Nth-stage scanning circuit and a second side first-stage scanning circuit to a second side Nth-stage scanning circuit are respectively arranged along the second direction and at two sides of the display area, two ends of the ith scanning line are respectively connected with the first side ith scanning circuit and the second side ith scanning circuit, and the first direction is vertical to the second direction.
2. The display panel according to claim 1, wherein all the first pixel circuits are located on the same side of the first sub-display region.
3. The display panel according to claim 2, wherein the first sub display region includes first light emitting devices in the first light emitting device row, wherein all of the first pixel circuits are located on a side of the first sub display region facing the nth light emitting device row.
4. The display panel according to claim 1, wherein the first pixel circuits connected to the first light emitting devices in the same row are sequentially arranged in a first pixel circuit row along the second direction.
5. The display panel according to claim 1, wherein the first pixel circuit is located at a gap between adjacent ones of the first to nth light emitting device rows.
6. The display panel of claim 1, wherein the second light emitting device density of the transition sub-display region is less than the second light emitting device density of the remaining region of the second sub-display region.
7. The display panel according to claim 1, wherein the display region further comprises a first buffer sub-display region and a second buffer sub-display region along the second direction and located at both sides of the first sub-display region;
the second light-emitting device comprises buffer light-emitting devices positioned at the first buffer sub-display area and the second buffer sub-display area, a pixel circuit connected with the buffer light-emitting devices is a buffer pixel circuit, the buffer pixel circuit is positioned in the transition sub-display area, and the buffer light-emitting devices in the same row and the pixel circuits connected with the first light-emitting devices are positioned at the same side of the first sub-display area;
and the scanning lines connected with the buffer pixel circuits and the first pixel circuits extend and are connected to the transition sub-display areas along the side edges of the first sub-display areas in the second direction at the first buffer sub-display areas and the second buffer sub-display areas.
8. The display panel according to claim 7, wherein a scan line to which the buffer pixel circuit and the first pixel circuit are connected is located in a section at the first buffer sub-display region and the second buffer sub-display region, and overlaps with an anode of the buffer light-emitting device in insulation in a direction perpendicular to a plane of the display panel.
9. The display panel according to claim 1, wherein the scan lines include a first type of scan line and a second type of scan line, the first type of scan line being connected to the first pixel circuit; wherein the first type scanning lines and the second type scanning lines are arranged in different layers.
10. The display panel according to claim 1, wherein the first light emitting device comprises an anode, a light emitting layer and a cathode which are sequentially stacked, wherein a gap is formed between the cathodes of different first light emitting devices;
or the first light emitting device comprises an anode, a light emitting layer and a cathode which are sequentially superposed, wherein the cathode of different first light emitting devices extends and contacts to form a whole surface structure.
11. A display device characterized in that it comprises a display panel according to any one of claims 1 to 10.
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| CN202110129594.6A CN112767870B (en) | 2021-01-29 | 2021-01-29 | Display panel and display device |
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| CN115295602A (en) * | 2022-09-05 | 2022-11-04 | 上海天马微电子有限公司 | Display panel and display device |
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| CN114863860A (en) | 2022-08-05 |
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