CN109272873B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN109272873B CN109272873B CN201811385108.1A CN201811385108A CN109272873B CN 109272873 B CN109272873 B CN 109272873B CN 201811385108 A CN201811385108 A CN 201811385108A CN 109272873 B CN109272873 B CN 109272873B
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- display
- display area
- data line
- display panel
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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
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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
Abstract
The application discloses a display panel and a display device, wherein the display panel comprises a first display area and a second display area; a first non-display area located between the first display area and the second display area; the first display area comprises a first data line, the second display area comprises a second data line, the first data line extends along a first direction, the second data line extends along a second direction, the first direction is intersected with the second direction, and a driving unit used for providing scanning driving signals for a display unit in the second display area is arranged in the first non-display area. The display panel and the display device provided by the invention can solve the problem of data line disconnection caused by the first non-display area and also avoid the problem of uneven resistance caused by winding.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device including the display panel.
Background
With the continuous development of display technologies, the requirements of consumers on display screens are continuously improved, various display layers are not grouped, and rapid development is achieved, for example, display screens such as liquid crystal display screens and organic light emitting display screens, and on the basis, display technologies such as 3D display, touch display technology, curved display, ultrahigh resolution display and peep-proof display are continuously emerging to meet the requirements of consumers.
Traditional display panel occupies the area of display area because of its frame that has the broad, and makes display panel effective area less and not too pleasing to the eye, promotes gradually along with the consumer to display panel's requirement, and comprehensive screen becomes the focus that shows trade development down at the time, however, in comprehensive screen, equipment such as leading camera, face identification or iris discernment need occupy certain space, leads to can not realizing real comprehensive screen. At present, be used for placing above-mentioned device through modes such as setting up display area grooving and hole digging design, however, carry out grooving or hole digging design back, can influence display area's circuit design, in the structure of digging the hole, can lead to the data line fracture at hole digging area both ends, thereby need connect through modes such as wire winding, and modes such as wire winding will cause the frame in hole digging area great again, and lead to the uneven distribution of resistance in each circuit, and lead to showing inhomogeneous problem, therefore, how to design the regional circuit of digging the hole, the technological problem that needs to be solved urgently in this field.
Disclosure of Invention
In view of this, the present invention provides a display panel and a display device, which solve the problem of fracture of a data line in a hole digging area and realize normal display of a full screen.
An aspect of an embodiment of the present invention provides a display panel, wherein the display panel includes a first display region and a second display region; a first non-display area located between the first display area and the second display area; the first display area comprises a first data line, the second display area comprises a second data line, the first data line extends along a first direction, the second data line extends along a second direction, the first direction is intersected with the second direction, and a driving unit used for providing scanning driving signals for a display unit in the second display area is arranged in the first non-display area.
Another aspect of the embodiments of the present invention provides a display device, including the display panel described above.
As can be seen from the above description, the display panel and the display device according to the embodiments of the present invention are provided, wherein the first non-display area is located between the first display area and the second display area, and the first data line in the first display area and the second data line in the second display area extend in different directions, so that the second data line in the second display area can be connected to the data line of the display area adjacent to the second display area to provide the data signal for the display unit in the second display area; in addition, still be provided with the drive unit who is used for providing scanning drive signal for the display element in the second display area in the first non-display area to solved because of digging the problem that the hole region leads to the circuit disconnection, also avoided the uneven problem of resistance that the wire winding brought, guaranteed the display effect of full face screen.
Drawings
Fig. 1 is a schematic diagram of a display panel according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of area A of FIG. 1;
FIG. 3 is a schematic structural diagram of a data line according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a display device according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, the present invention is further described with reference to the accompanying drawings and examples.
It should be noted that in the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1 and 2, fig. 1 is a schematic diagram of a display panel according to an embodiment of the present invention, and fig. 2 is an enlarged schematic diagram of a region a in fig. 1, wherein the display panel 10 includes a first display area 101 and a second display area 102, a first non-display area 100, and the first non-display area 100 is located between the first display area 101 and the second display area 102; the first display area 101 includes first data lines 111, the second display area includes second data lines 112, the first data lines 111 extend along a first direction X, the second data lines extend along a second direction Y, the first direction X intersects the second direction Y, specifically, as shown in fig. 2, the first direction X is perpendicular to the second direction Y, and a driving unit 122 for providing scanning driving signals to the display units in the second display area 102 is disposed in the first non-display area 100.
It should be noted that the display panel 10 provided in this embodiment may be an organic light emitting display panel, where the organic light emitting display panel includes an anode and a cathode, and an organic light emitting layer located between the anode and the cathode, and a voltage is applied between the anode and the cathode to excite carrier migration, so as to act on the organic light emitting layer, thereby emitting light. In other embodiments of this embodiment, the display panel 10 may also be other display panels, such as a quantum dot light emitting display panel, a nano-chip light emitting display panel, and the like, which will not be described in detail in this embodiment. In addition, in this embodiment, the data lines provide data signals for the display unit 11 in the display panel, and control signals of the display panel to emit light information.
As can be seen from the above description, in the display panel provided in the embodiment of the present invention, the first non-display area 100 is disposed between the first display area 101 and the second display area 102, the data lines in the first display area 101 extend along the first direction X, the data lines in the second display area 102 extend along the second direction Y, and the driving unit for providing the scanning driving signal to the display units in the second display area 102 is disposed in the first non-display area 100, so that the driving unit in the first non-display area 100 can provide the scanning driving signal to the second display area 102, thereby solving the problem of wire disconnection caused by the first non-display area 100 and avoiding the problem of resistance non-uniformity caused by wire winding.
With continued reference to fig. 2, the display panel 10 further includes a driving circuit, the driving circuit includes a first driving unit 121 and a second driving unit 122, the first driving unit 121 provides a scan driving signal for the display units in the first display area 101, the second driving unit 122 provides a scan driving signal for the display units in the second display area 102, and the second driving unit 122 is located in the first non-display area 100.
Furthermore, the driving circuit can comprise N stages of mutually cascaded shift register units, wherein N is a positive integer and is more than or equal to 2; each stage of the shift register units in the first driving unit 121 is arranged along a first direction X, and each stage of the shift register units in the second driving unit 122 is arranged along a second direction Y, wherein the first driving unit 121 and the second driving unit 122 are connected to each other.
Since the second driving unit 122 is located in the first non-display area 100 and provides the scanning driving signal for the display unit in the second display area 102, the first driving unit 121 is used for providing the scanning driving signal for the display unit in the first display area 101, and the first driving unit 121 is located at two sides of the first display area 101, for the convenience of the operation of the driving circuit, as shown in fig. 2, the first driving unit 121 and the second driving unit 122 are connected to each other, so that the sequential scanning of the two can be realized without separate driving; in addition, the shift register units in the second driving unit 122 are arranged along the second direction Y, and the second data lines 112 in the second display area 102 are arranged along the second direction X, so that the scan signal lines in the second display area 102 can extend along the first direction X and be connected to the shift register units in each stage in the second driving unit 122, and the second data lines 112 can be connected to the data lines in the display area adjacent to the second display area 102 (as described later), so that the problem of data line disconnection caused by the first non-display area 100 can be solved, and the problem of uneven resistance caused by winding arrangement is avoided.
Optionally, as shown in fig. 2, the display panel 10 further includes a third display area 103, the third display area 103 is adjacent to the first display area 101, the first non-display area 100 and the second display area 102, the third display area includes a third data line 113, the third data line 113 extends along the first direction X, and at least a portion of the second data lines 112 in the second display area 102 are respectively connected to one of the third data lines 113 located in the third display area 103. By adopting the design, the data lines in the third display area 103 can be used for providing data signals for the display units in the second display area 102, so that the problem of the disconnection of the data lines caused by the first non-display area 100 is solved.
In addition, optionally, as shown in fig. 2, the display panel 10 further includes a fourth display area, the fourth display area 104 is adjacent to the first display area 101, the first non-display area 100 and the second display area 102, the fourth display area 104 includes a fourth data line, the fourth data line extends along the first direction X, a portion of the second data lines 112 in the second display area 102 are respectively connected to a third data line 113 located in the third display area 103, and another portion of the second data lines 112 are respectively connected to a fourth data line 114 located in the fourth display area 104. In this case, the first non-display area 100 is surrounded by four display areas, the data lines in the second display area 102 may be connected to the third data lines 113 or the fourth data lines 114, and the data signal transmission problem in the second display area 102 is realized by using the data lines, thereby solving the problem of the disconnection of the data lines caused by the first non-display area 100.
As shown in fig. 2, the first driving units 121 are also distributed at the side of the third display area or the fourth display area for providing scanning driving signals for the display units in the third display area 103 and the display units in the fourth display area 104. Thus, the display panel 10 includes a plurality of first driving units 121, when the display panel scans a frame, after the shift register unit in the first driving unit 121 finishes scanning, the signal is transmitted to the second driving unit 122, and after the shift register unit in the second driving unit 122 finishes scanning, the signal is transmitted to another first driving unit 121 for continuous scanning.
Alternatively, as shown in fig. 2, the area of the shift register unit in the second driving unit 122 is smaller than the area of the shift register unit in the first driving unit 121, because the second display area 102 is a part of the display area, the second driving unit 122 is only used for driving the display unit in the second display area 102, and the first driving unit 121 is used for driving the display unit in other display areas, therefore, the number of the display units driven by the first driving unit 121 is often larger than the display units driven by the second driving unit 122, which results in different loads of the two, in order to balance the loads of the two and avoid the brightness difference of different areas of the display panel, the area of the shift register unit in the second driving unit 122 is set to be smaller than the area of the shift register unit in the first driving unit 121, because the area of the shift register unit is mainly determined by the area of the transistor and the capacitor therein, the larger the area of the transistor and the larger the area of the capacitor, the higher the driving capability of the shift register unit is, so that the driving capability of the first driving unit 121 is greater than that of the second driving unit 122, thereby balancing the loads borne by the two driving units and making the display brightness of each region of the display panel uniform.
Specifically, the width-to-length ratio of the channel region of the output transistor of the shift register unit in the second driving unit 122 is smaller than the width-to-length ratio of the channel region of the output transistor of the shift register unit in the first driving unit 121, and since the width-to-length ratio of the channel region plays a crucial role in the output capability of the output tube, the driving capability is stronger when the width-to-length ratio is larger, and thus, the design can also balance the loads of the first driving unit 121 and the second driving unit 122, so that the display luminance of each region of the display panel is uniform.
In addition, optionally, the display panel includes scan signal lines, the scan signal lines 131 in the first display region 101 extend along the second direction Y, and the scan signal lines in the second display region 102 extend along the first direction X. The scanning signal lines in the second display area 102 extend in the first direction X, so that they can be connected to the shift register units in the second driving unit 122.
Further, the width of the scanning signal line 132 in the second display region 102 is smaller than the width of the scanning signal line 131 in the first display region 101. As described above, the second driving unit 122 is only used for driving a portion of the display units in the second display area 102, and therefore, the display units connected to the scanning signal lines 132 in the second display area 102 are often less than the display units connected to the scanning signal lines 131 in the first display area 101, and therefore, the loads of the two display units are different, and by setting the width of the scanning signal lines 132 in the second display area 102 to be smaller than the width of the scanning signal lines 131 in the first display area 101, the resistance of the scanning signal lines 131 in the first display area 101 can be reduced, so that the voltage drop across the scanning signal lines can be reduced, and the loads of the two display areas can be balanced, so that the brightness of each area of the display panel is uniform.
Optionally, referring to fig. 3, fig. 3 is a schematic structural diagram of a data line according to an embodiment of the present invention, which only exemplarily shows a relative relationship between film layers, and does not represent that there is an overlapping relationship, where the display panel includes a substrate 200, a buffer layer 201 on the substrate 200, and an insulating layer 202 between a first data line 111 and a second data line 112, where the first data line 111 and the second data line 112 are arranged in different layers. Because the organic light emitting display panel further includes a power line 140 disposed parallel to the first data line 111, the power line 140 is used to provide an anode voltage for an anode of the organic light emitting device, and the second data line 112 in the second display region 102 is disposed along the second direction Y, which may cause the second data line 112 to intersect with the power line 140, so as to avoid a short circuit between the two at the intersection region, optionally, the first data line 111 and the second data line 112 are disposed in different layers, and the first data line 111 and the power line 140 are disposed on the same layer and are parallel to each other, so that the design avoids the problem of a short circuit caused by the intersection of the second data line 112 and the power line 140.
Further, the display panel 10 further includes a scan signal line and an organic light emitting element including an anode and a cathode, and a light emitting layer between the anode and the cathode, the second data line 112 is located at the same layer as the anode, and the first data line 111 is located between the scan signal line and the anode. In the display panel, generally, the data line is located at a side of the scan signal line away from the substrate, the anode is located at a side of the data line away from the substrate, the first data line 111 still adopts a conventional design, and the second data line 112 may be disposed at a same layer as the anode, so that the first data line 111 and the second data line 112 are disposed at different layers, and in addition, the material of the second data line 112 may be the same as the anode, that is, a three-layer structure of ITO/Ag/ITO may be adopted, only one layer of ITO may be used, or the second data line may be made of a metal material, which is not particularly limited in this embodiment.
In addition, in this embodiment, optionally, as shown in fig. 2, the arrangement direction of the display units 11 in the first display area 101 is perpendicular to the arrangement direction of the display units 11 in the second display area 102, because as described above, the data lines in the first display area 101 extend along the first direction X, and the data lines in the second display area 102 extend along the second direction Y, the display units in the first display area 101 are arranged in multiple rows along the first direction X, and the display units in the second display area 102 are arranged in multiple rows along the second direction Y, so that in the first display area 101 and the second display area 102, a row of display units can both provide data signals through one data line, and the uniformity of data signal transmission in each area of the display panel is ensured.
In summary, in the above structure, when the display panel displays, a data signal may be written into the first display area 101 through the first data line 111, a data signal may be written into the third display area 103 through the third data line 113, and a data signal may be written into the fourth display area 104 through the fourth data line 114, and when the first display area 101, the third display area 103, and the fourth display area 104 emit light, the second display area may write a data signal into the second display area 102 through the third data line 103 or the fourth data line 104, and then emit light, in which case, the second display area 102 does not emit light at the same time as the other display areas. In another case, after the data signal is written in the first display region 101, the third display region 103, and the fourth display region 104, the light is not emitted first, and after the data is written in the second display region 102, the display regions emit light together. The two situations are mainly realized by setting a specific driving timing sequence, and this embodiment will not be described in detail.
Another aspect of the embodiments of the present invention provides a display device, including the display panel described above.
Referring to fig. 4, fig. 4 is a schematic view of a display device according to an embodiment of the present invention, wherein the display device 20 includes a display panel 10, the display panel 10 is a display panel in any of the above embodiments, and the display device may be a mobile phone, a notebook computer, a television, an intelligent wearable display device, and the like, which is not limited in this embodiment. The area corresponding to the first non-display area 100 is used for installing a functional element, and the functional element may be at least one of a camera, an earphone, a face recognition device and an iris recognition device, so that the display device can integrate the functions of the above devices on the basis of realizing a full-screen.
As can be seen from the above description, the display panel and the display device according to the embodiment of the invention are provided, wherein the first non-display area 100 is disposed between the first display area 101 and the second display area 102, the data lines in the first display area 101 extend along the first direction X, the data lines in the second display area 102 extend along the second direction Y, and the driving unit for providing the scanning driving signal to the display units in the second display area 102 is disposed in the first non-display area 100, so that the driving unit in the first non-display area 100 can provide the scanning driving signal to the second display area 102, thereby solving the problem of wire breakage caused by the first non-display area 100 and avoiding the problem of uneven resistance caused by wire winding, and by arranging the areas of the shift register units of the first driving unit 121 and the second driving unit 122 and the widths of the scanning signal lines in the first display area 101 and the second display area 102, the load of each area is balanced, the uniform brightness of the display panel is realized, and the display device can integrate the functions of front-end camera shooting, face recognition, iris recognition and the like on the basis of realizing a full-face screen.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (14)
1. A display panel, comprising
A first display area and a second display area;
a first non-display area located between the first display area and the second display area;
the first display region includes a first data line, the second display region includes a second data line, the first data line extends along a first direction, the second data line extends along a second direction, the first direction intersects the second direction, and
a second driving unit used for providing scanning driving signals for the display unit in the second display area is arranged in the first non-display area;
the display panel further comprises a third display area, the third display area is adjacent to the first display area, the first non-display area and the second display area, the third display area comprises a third data line, the third data line extends along the first direction, and
at least part of the second data lines in the second display area are respectively connected with one third data line in the third display area.
2. The display panel according to claim 1, wherein the display panel further comprises a driving circuit including a first driving unit and the second driving unit, the first driving unit providing a scanning driving signal to the display unit in the first display region.
3. The display panel according to claim 2, wherein the driving circuit comprises N stages of cascaded shift register units, N is a positive integer and N ≧ 2; each stage of the shift register units in the first driving unit are arranged along the first direction, each stage of the shift register units in the second driving unit are arranged along the second direction, and the first driving unit and the second driving unit are connected with each other.
4. The display panel according to claim 1, wherein the display panel further comprises a fourth display region adjacent to each of the first display region, the first non-display region, and the second display region, the fourth display region comprising a fourth data line extending in the first direction, and wherein the fourth data line is disposed between the first data line and the second data line
And a part of the second data lines in the second display area are respectively connected with a third data line positioned in the third display area, and the other part of the second data lines are respectively connected with a fourth data line positioned in the fourth display area.
5. The display panel according to claim 4, wherein the first driving unit is also configured to provide scan driving signals for the display units in the third display region and the display units in the fourth display region.
6. The display panel according to claim 3, wherein an area of the shift register unit in the second driving unit is smaller than an area of the shift register unit in the first driving unit.
7. The display panel according to claim 6, wherein the width-to-length ratio of the channel region of the output transistor of the shift register unit in the second driving unit is smaller than the width-to-length ratio of the channel region of the output transistor of the shift register unit in the first driving unit.
8. The display panel according to claim 2, wherein the display panel includes scanning signal lines, the scanning signal lines in the first display region extend in the second direction, and the scanning signal lines in the second display region extend in the first direction.
9. The display panel according to claim 8, wherein a width of the scanning signal line in the second display region is smaller than a width of the scanning signal line in the first display region.
10. The display panel according to claim 2, wherein the first data line and the second data line are arranged in different layers.
11. The display panel according to claim 10, wherein the display panel comprises a scan signal line and an organic light-emitting element, wherein the organic light-emitting element comprises an anode and a cathode, and a light-emitting layer between the anode and the cathode, wherein the second data line is in the same layer as the anode, and wherein the first data line is between the scan signal line and the anode.
12. The display panel according to claim 1, wherein an arrangement direction of the display units in the first display region is perpendicular to an arrangement direction of the display units in the second display region.
13. A display device characterized by comprising the display panel according to any one of claims 1 to 12.
14. The display device according to claim 13, wherein the region corresponding to the first non-display region is used for installing a functional element, and the functional element is at least one of a camera, an earphone, a face recognition device and an iris recognition device.
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| CN201811385108.1A CN109272873B (en) | 2018-11-20 | 2018-11-20 | Display panel and display device |
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| CN201811385108.1A CN109272873B (en) | 2018-11-20 | 2018-11-20 | Display panel and display device |
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| CN109272873B true CN109272873B (en) | 2021-07-30 |
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| CN110767717B (en) * | 2019-04-30 | 2022-04-05 | 昆山国显光电有限公司 | Array substrate, display panel and display device |
| CN210120136U (en) | 2019-07-31 | 2020-02-28 | 昆山国显光电有限公司 | Display panel |
| CN113498534B (en) * | 2020-01-22 | 2024-04-09 | 京东方科技集团股份有限公司 | Display substrate, driving method thereof and display device |
| CN111326560B (en) * | 2020-01-23 | 2023-08-22 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN111261032A (en) * | 2020-03-23 | 2020-06-09 | Oppo广东移动通信有限公司 | Screen with camera hole |
| CN114067738B (en) * | 2020-07-31 | 2023-11-28 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| CN112558352B (en) * | 2020-12-04 | 2022-02-22 | Tcl华星光电技术有限公司 | Display device and driving method thereof |
| CN113096550B (en) * | 2021-04-08 | 2023-01-03 | Oppo广东移动通信有限公司 | Display module assembly and display device |
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| KR101386219B1 (en) * | 2012-06-26 | 2014-04-17 | 삼성디스플레이 주식회사 | Flexible display panel, display device comprising the panel and method thereof |
| CN207217536U (en) * | 2017-06-28 | 2018-04-10 | 北京小米移动软件有限公司 | Array base palte and mobile terminal |
| CN107247379B (en) * | 2017-07-31 | 2023-08-25 | Oppo广东移动通信有限公司 | Array substrate, display panel and electronic equipment |
| CN107633800A (en) * | 2017-10-25 | 2018-01-26 | 上海天马微电子有限公司 | Display panel and display device |
| CN107610635B (en) * | 2017-10-27 | 2021-03-05 | 武汉天马微电子有限公司 | Display panel and electronic equipment |
| CN107749287B (en) * | 2017-11-21 | 2020-03-10 | 武汉天马微电子有限公司 | Display panel and display device |
| CN108010947B (en) * | 2017-11-29 | 2021-01-08 | 上海天马有机发光显示技术有限公司 | Organic light-emitting display panel and organic light-emitting display device |
| CN108039148B (en) * | 2017-11-30 | 2019-11-22 | 武汉天马微电子有限公司 | A kind of display panel and electronic equipment |
| CN108597436A (en) * | 2018-05-09 | 2018-09-28 | 昆山国显光电有限公司 | Display panel and display device |
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