CN110716355B - Display panel and display device - Google Patents

Display panel and display device Download PDF

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Publication number
CN110716355B
CN110716355B CN201911014140.3A CN201911014140A CN110716355B CN 110716355 B CN110716355 B CN 110716355B CN 201911014140 A CN201911014140 A CN 201911014140A CN 110716355 B CN110716355 B CN 110716355B
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Prior art keywords
driving unit
display panel
section
electrode
display
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CN201911014140.3A
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Chinese (zh)
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CN110716355A (en
Inventor
张婷婷
吴常志
孙莹
许育民
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Xiamen Tianma Microelectronics Co Ltd
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Xiamen Tianma Microelectronics Co Ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • 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
    • 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
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65—OLEDs integrated with inorganic image sensors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Abstract

The invention discloses a display panel and a display device, belonging to the technical field of display, wherein the display panel comprises a display area and a non-display area arranged around the display area; the display area comprises a plurality of electrode blocks which are arranged in an array mode, each electrode block comprises a first electrode block and a second electrode block, the first electrode blocks and the second electrode blocks are sequentially arranged in a staggered mode along a first direction, and the first electrode blocks and the second electrode blocks are sequentially arranged in a staggered mode along a second direction; wherein the first direction and the second direction intersect; the non-display area comprises at least two driving units which are respectively a first driving unit and a second driving unit; each first electrode block is electrically connected with the first driving unit through a first signal wire, and each second electrode block is electrically connected with the second driving unit through a second signal wire. The display device comprises the display panel. The invention can better improve the visual split screen phenomenon, improve the display quality of the large-size display panel and improve the visual effect and the user experience.

Description

Display panel and display device
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 development of science and technology, the manufacture of display panels is mature, and more display panels are widely applied to the daily life and work of people, so that great convenience is brought to the daily life and work of people. Conventional Display panels mainly include Liquid Crystal Display (LCD), Organic Light Emitting Display (OLED), plasma Display panel, and the like.
In order to increase the aesthetic feeling of the display screen and the appearance of the display device, increasing the display size and resolution, and reducing the bezel width and the body thickness have become one of the main research and development directions of those skilled in the related art, and then the size of the display panel is also increasing.
In the prior art, due to the limitation of the number of pixels of the display panel, the manufacturing complexity, the driving capability, and other factors, many existing large-size screens are not limited to driving the display panel by using a single driving chip, but generally need to use two driving chips or multiple driving chips to drive the display panel. However, on the physical layer, it is impossible to make two identical driving chips and provide identical driving voltages, and then different driving chips are caused to display on the control display panel, so that the driving voltages output by different driving chips are obviously different, and the display areas controlled by different driving chips are also obviously separated from each other by human eyes, thereby affecting the visual effect and greatly reducing the user experience.
Therefore, it is an urgent technical problem to provide a display panel and a display device that can improve the visual split phenomenon, improve the display quality of a large-sized display panel, and improve the visual effect and the user experience.
Disclosure of Invention
In view of the above, the present invention provides a display panel and a display device, which solve the problems in the prior art that the display device has obvious split screen phenomenon between display areas due to different driving chip controls, which affects the visual effect and the display quality.
The present invention provides a display panel, comprising: a display area and a non-display area disposed around the display area; the display area comprises a plurality of electrode blocks which are arranged in an array mode, each electrode block comprises a first electrode block and a second electrode block, the first electrode blocks and the second electrode blocks are sequentially arranged in a staggered mode along a first direction, and the first electrode blocks and the second electrode blocks are sequentially arranged in a staggered mode along a second direction; wherein the first direction and the second direction intersect; the non-display area comprises at least two driving units which are respectively a first driving unit and a second driving unit; each first electrode block is electrically connected with the first driving unit through a first signal wire, and each second electrode block is electrically connected with the second driving unit through a second signal wire.
Based on the same inventive concept, the invention also provides a display device, which comprises the display panel.
Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:
in the display panel provided by the invention, a plurality of electrode blocks arranged in an array manner are arranged in a display area, the plurality of electrode blocks arranged in the array manner at least comprise a first electrode block and a second electrode block, the first electrode block and the second electrode block are sequentially staggered along a first direction, the first electrode block and the second electrode block are sequentially staggered along a second direction, and the first direction is intersected with the second direction, namely the plurality of electrode blocks arranged in the array manner on the display panel are arranged in a checkerboard manner. And at least a first driving unit and a second driving unit are arranged in the non-display area, each first electrode block is electrically connected with the first driving unit through a first signal line, and each second electrode block is electrically connected with the second driving unit through a second signal line. Because the first electrode block and the second electrode block adjacent to each column are connected to different driving units, and the first electrode block and the second electrode block adjacent to each row are also connected to different driving units, even if the driving voltages (optionally, the output driving voltages are common voltages) output by different driving units are not completely the same, the driving signals provided by each driving unit of the whole display panel to the whole electrode blocks can be kept balanced as much as possible, and the display effects tend to be consistent. Because the area of each electrode block is small, the visual difference generated by the electrode blocks arranged in the checkerboard mode is the difference between the dot structures, and therefore compared with the visual difference of a strip structure or a block structure, the electrode blocks are more difficult to be identified by human eyes, and the phenomenon of visual screen division is better improved, so that the situation that the screen division can be identified by the human eyes obviously appears in a display area can be avoided, the visual effect and the use experience of a user are improved, and the display quality of a large-size display panel is further improved.
Of course, it is not necessary for any product in which the present invention is practiced to specifically achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic plan view of a display panel according to an embodiment of the present invention;
fig. 2 is a schematic plan view of another display panel according to an embodiment of the present invention;
fig. 3 is a partial plan view illustrating only the first display region in fig. 2;
fig. 4 is a partial plan view illustrating only the second display region in fig. 2;
FIG. 5 is an enlarged view of a portion of region C of FIG. 2;
FIG. 6 is a schematic structural diagram of another display panel according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of an optical fingerprint identification unit 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 a display device according to an embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Referring to fig. 1, fig. 1 is a schematic plan view of a display panel according to an embodiment of the present invention, where the display panel 000 includes: a display area AA and a non-display area NA disposed around the display area AA;
the display area AA comprises a plurality of electrode blocks 10 which are arranged in an array, the electrode blocks 10 comprise first electrode blocks 101 and second electrode blocks 102, the first electrode blocks 101 and the second electrode blocks 102 are sequentially arranged in a staggered manner along a first direction X, and the first electrode blocks 101 and the second electrode blocks 102 are sequentially arranged in a staggered manner along a second direction Y; wherein the first direction X and the second direction Y intersect; optionally, the first direction X and the second direction Y are perpendicular to each other (as shown in fig. 1);
the non-display area NA includes at least two driving units 20, which are a first driving unit 201 and a second driving unit 202, respectively; optionally, the driving unit 20 is a driving chip or a flexible circuit board;
each first electrode block 101 is electrically connected to the first driving unit 201 through one first signal line 301, and each second electrode block 102 is electrically connected to the second driving unit 202 through one second signal line 302 (for clarity, in order to illustrate the technical solution of this embodiment, in fig. 1, the first signal line 301 and the second signal line 302 are distinguished by different thicknesses, in a specific implementation, the thicknesses of the first signal line 301 and the second signal line 302 may be set according to impedance balance, which is not limited in this implementation).
In the existing design, with the development of the self-contained touch display technology, the common electrode of the array substrate in the display panel can be used as the touch sensing electrode for the self-contained touch detection, and the touch control and the display control are performed in a time-sharing manner through time-sharing driving, so that the touch and display functions of the display panel are simultaneously realized. Specifically, the common electrode is divided into a plurality of block electrodes, and each block electrode is connected with the same driving chip through a wiring. And providing touch sensing signals for the corresponding block electrodes at a touch time sequence, and providing display driving voltages for the corresponding block electrodes at a display time sequence. However, as the size of the screen gradually develops, a plurality of driving chips are required to provide a voltage signal for each block electrode, and the inventor finds that the output common voltages of the plurality of driving chips cannot be completely the same, which causes the phenomenon of visual screen splitting at the interface of the screen, and the user experience is poor.
In the display panel 000 provided in this embodiment, a plurality of electrode blocks 10 arranged in an array are disposed in the display area AA, and the plurality of electrode blocks 10 arranged in an array at least include a first electrode block 101 and a second electrode block 102, where the first electrode block 101 and the second electrode block 102 are sequentially staggered along a first direction X, the first electrode block 101 and the second electrode block 102 are sequentially staggered along a second direction Y, and the first direction X intersects the second direction Y; that is, the plurality of electrode blocks 10 arranged in an array on the display panel 000 are arranged in a checkerboard pattern (as shown in fig. 1). At least a first driving unit 201 and a second driving unit 202 are arranged in the non-display area NA, each first electrode block 101 is electrically connected to the first driving unit 201 through a first signal line 301, that is, each first electrode block 101 receives an input signal of the first driving unit 201 through the first signal line 301, and the first driving unit 201 receives an output signal of each first electrode block 101 through the first signal line 301; each second electrode block 102 is electrically connected to the second driving unit 202 through one second signal line 302, that is, each second electrode block 102 receives an input signal of the second driving unit 202 through the second signal line 302, and the second driving unit 202 receives an output signal of each second electrode block 102 through the second signal line 302; therefore, when the display panel 000 is in a touch stage, each electrode block 10 of the display panel 000 is used as a touch electrode, and transmits a touch signal with each driving unit 20 to complete a touch detection function; in the display stage, each electrode block 10 of the display panel 000 is used as a common electrode, and each driving unit 20 provides a display driving voltage to each electrode block 10, thereby completing the display function. Since the first electrode block 101 and the second electrode block 102 adjacent to each column (in fig. 1, the electrode blocks 10 sequentially arranged along the second direction Y are taken as one column) are connected to different driving units 20, and the first electrode block 101 and the second electrode block 102 adjacent to each row (in fig. 1, the electrode blocks 10 sequentially arranged along the first direction X are taken as one row) are also connected to different driving units 20, even if the driving voltages (optionally, the output driving voltages are common voltages) output by different driving units 20 are not completely the same, the driving signals provided by each driving unit 20 of the whole display panel 000 to the electrode blocks 10 on the whole surface can be kept as balanced as possible, and the display effects tend to be consistent. Because the area of each electrode block 10 is small, the visual difference generated by the electrode blocks 10 arranged in the checkerboard mode is the difference between the dot structures, and therefore, compared with the visual difference of a strip structure or a block structure, the visual difference is more difficult to be identified by human eyes, and the phenomenon of visual screen division is better improved, so that the situation that the display area AA is obviously identified by human eyes and screen division can be avoided, the visual effect and the use experience of a user are improved, and the display quality of a large-size display panel is favorably improved.
It should be noted that, because each electrode block 10 of the present embodiment is connected to the driving unit 20 through a signal line, each first electrode block 101 is electrically connected to the first driving unit 201 through a first signal line 301, and each second electrode block 102 is electrically connected to the second driving unit 202 through a second signal line 302, in order to implement the display and touch functions of the display panel 000, short circuit should be avoided between different first signal lines 301, short circuit should be avoided between different second signal lines 302, and short circuit should also be avoided between any one first signal line 301 and any one second signal line 302. The shape of the electrode block 10 of the present embodiment is schematically illustrated as a square, and in concrete implementation, the shape of the electrode block 10 may be any other shape. The number and size of the electrode blocks 10 in this embodiment are also only schematically illustrated, and in specific implementation, the number of the electrode blocks 10 is not limited to the number in the figure, and the size of the electrode blocks 10 may also be set according to actual requirements.
It should be further noted that, in fig. 1 of the present embodiment, only the non-display area NA of the display panel 000 includes two driving units 20 as an example to explain how the present embodiment achieves the effect of avoiding the visual screen splitting phenomenon, it is understood that the technical solution of the present embodiment is not limited to two driving units 20, and may also include three or more driving units 20 (not shown in the figure). If the non-display area of the display panel comprises three driving units, in order to achieve the effect of avoiding visual split screen phenomenon, the electrode blocks of the display area of the display panel at least comprise a first electrode block, a second electrode block and a third electrode block, wherein the first electrode block, the second electrode block and the third electrode block are sequentially arranged in a staggered manner along a first direction, the first electrode block, the second electrode block and the third electrode block are sequentially arranged in a staggered manner along a second direction, optionally, the first direction is perpendicular to the second direction, the first electrode block, the second electrode block and the third electrode block which are adjacent in each row are respectively connected to three different driving units, and the first electrode block, the second electrode block and the third electrode block which are adjacent in each row are also respectively connected to three different driving units. Therefore, the present embodiment does not need to describe any more specific implementation of the non-display area including three or more driving units, and can be designed by analogy with the description of the above embodiments.
It should be further noted that fig. 1 of the present embodiment only illustrates technical features of the display panel related to the technical solution of the present embodiment, and it should be understood that the structure of the display panel not only includes the illustration in the figure, but also includes other technical features known in the prior art for implementing a display function, such as a pixel unit in a display area, a gate driving unit in a non-display area (not shown in the figure), and the like, which are not illustrated and described herein.
In some optional embodiments, please continue to refer to fig. 1, in the present embodiment, when the first signal lines 301 and the second signal lines 302 are disposed on the same layer, each of the first signal lines 301 and each of the second signal lines 302 do not overlap in a direction perpendicular to the light exit surface of the display panel 000.
The present embodiment further explains that when a larger space on the display panel is available for disposing the first signal lines 301 and the second signal lines 302 on the same layer, in order to avoid short circuit caused by too small distance between different first signal lines 301, short circuit caused by too short distance between different second signal lines 302, and short circuit caused by too short distance between any one first signal line 301 and any one second signal line 302, the present embodiment is disposed in a direction perpendicular to the light exit surface of the display panel 000, each first signal line 301 and each second signal line 302 are not overlapped, so that crossing of wires during the disposing of the first signal lines 301 and the second signal lines 302 on the same layer can be avoided, which causes a short circuit phenomenon, and further realizes the display and touch functions of the display panel 000.
It should be noted that fig. 1 of the present embodiment only schematically illustrates a winding layout manner of the first signal line 301 and the second signal line 302 disposed on the same layer, but the present invention is not limited to this winding layout manner, and in a specific implementation, the first signal line 301 and the second signal line 302 on the same layer only need to be disposed according to an actual situation, and the first signal line 301 and the second signal line 302 on the same layer are not overlapped in a direction perpendicular to the light exit surface of the display panel 000.
It should be further noted that, when the space on the display panel is not enough to provide a plurality of first signal lines 301 and second signal lines 302 of the same layer, the first signal lines 301 and the second signal lines 302 may be arranged in layers, that is, the film layer where the first signal lines 301 are located is different from the film layer where the second signal lines are located, or adjacent first signal lines 301 are located in different film layers, or adjacent second signal lines 302 are located in different film layers, or the same first signal line 301 is provided with a multi-section structure of different film layers through vias, or the same second signal line 302 is provided with a multi-section structure of different film layers through vias, so that it is possible to avoid overlapping or partially overlapping of adjacent first signal lines 301 in a direction perpendicular to the light exit surface of the display panel 000, or overlapping or partially overlapping of adjacent second signal lines 302 in a direction perpendicular to the light exit surface of the display panel 000, or overlapping of the first signal lines 301 and the second signal lines 302 in a direction perpendicular to the light exit surface of the display panel 000 or partially overlapping of the light exit surface of the display panel 000 The short circuit is not caused during the overlapping, reasonable wiring arrangement is realized, and the cross short circuit of the signal wires is avoided.
In this embodiment, the film layers where the first signal line 301 and the second signal line 302 are located are not specifically limited, and may be made of any conductive film layer (such as a gate metal layer or a source/drain metal layer) in the display panel, which is not described in detail in this embodiment.
In some optional embodiments, please refer to fig. 2, fig. 3 and fig. 4, fig. 2 is a schematic plane structure diagram of another display panel according to an embodiment of the present invention, fig. 3 is a schematic plane structure diagram of only a part of the first display area in fig. 2, fig. 4 is a schematic plane structure diagram of only a part of the second display area in fig. 2, in this embodiment, the display area AA includes at least a first display area AA1 and a second display area AA2, and the first display area AA1 and the second display area AA2 are disposed adjacently along the first direction X; along the second direction Y, the first display area AA1 is disposed adjacent to the first driving unit 201, and the second display area AA2 is disposed adjacent to the second driving unit 202;
along the second direction Y, the first driving unit 201 and the second driving unit 202 are located on the same side of the display area AA;
as shown in fig. 2 and 3, the first signal lines 301 connected to the first electrode blocks 101 within the first display area AA1 each extend in the second direction Y. The second signal line 302 connected to the second electrode block 102 includes a first segment 3021 and a third segment 3023 extending along the second direction Y, and a second segment 3022 extending along the first direction X, wherein one end of the first segment 3021 is electrically connected to the second electrode block 102, one end of the third segment 3023 is electrically connected to the second driving unit 202, and two ends of the second segment 3022 are electrically connected to the first segment 3021 and the third segment 3023, respectively;
as shown in fig. 2 and 4, the second signal lines 302 connected to the second electrode blocks 102 within the second display area AA2 each extend in the second direction Y. The first signal line 301 connected to the first electrode block 101 includes a fourth segment 3014 and a sixth segment 3016 extending along the second direction Y, and a fifth segment 3015 extending along the first direction X, where one end of the fourth segment 3014 is electrically connected to the first electrode block 101, one end of the sixth segment 3016 is electrically connected to the first driving unit 201, and two ends of the fifth segment 3015 are electrically connected to the fourth segment 3014 and the sixth segment 3016, respectively.
This embodiment further explains the winding layout of the first signal lines 301 connected to the first electrode block 101 and the second signal lines 302 connected to the second electrode block 102 when the non-display area NA of the display panel 000 includes two driving units 20. The display area AA includes at least a first display area AA1 and a second display area AA2, and the first display area AA1 and the second display area AA2 are adjacently arranged along the first direction X; along the second direction Y, the first display area AA1 is disposed adjacent to the first driving unit 201, and the second display area AA2 is disposed adjacent to the second driving unit 202, that is, the first driving unit 201 is disposed corresponding to the first display area AA1, and the second driving unit 202 is disposed corresponding to the second display area AA 2.
The first signal lines 301 connected by the first electrode blocks 101 within the first display area AA1 are all arranged to extend in the second direction Y in this embodiment. The second signal line 302 connected to the second electrode block 102 in the first display area AA1 is routed in the whole display area AA, that is, the second signal line 302 includes a first segment 3021 extending in the second direction Y, a third segment 3023 and a second segment 3022 extending in the first direction X, one end of the first segment 3021 is electrically connected to the second electrode block 102, one end of the third segment 3023 is electrically connected to the second driving unit 202, and two ends of the second segment 3022 are electrically connected to the first segment 3021 and the third segment 3023, respectively (as shown in fig. 2 and fig. 3).
The second signal lines 302 further connected by the second electrode block 102 within the second display area AA2 are each extended in the second direction Y. The first signal line 301 connected to the first electrode block 101 in the second display area AA2 is routed in the whole display area AA, that is, the first signal line 301 includes a fourth segment 3014 extending along the second direction Y, a sixth segment 3016, and a fifth segment 3015 extending along the first direction X, one end of the fourth segment 3014 is electrically connected to the first electrode block 101, one end of the sixth segment 3016 is electrically connected to the first driving unit 201, and two ends of the fifth segment 3015 are electrically connected to the fourth segment 3014 and the sixth segment 3016, respectively (as shown in fig. 2 and fig. 4); thereby better realization reasonable wiring on the panel arranges, avoids signal line alternately short circuit, is favorable to promoting the yields and the preparation efficiency of panel.
In some alternative embodiments, with continuing reference to fig. 2, fig. 3 and fig. 4, in this embodiment, the second segment 3022 of the second signal line 302 connected to the second electrode block 102 in the range of the first display area AA1 and the fifth segment 3015 of the first signal line 301 connected to the first electrode block 101 in the range of the second display area AA2 are both located at an end of the range of the display area AA away from the first driving unit 201 and the second driving unit 202.
This embodiment further explains that the second segment 3022 and the fifth segment 3015 are both located at one end of the display area AA far away from the first driving unit 201 and the second driving unit 202, that is, the second signal line 302 connected to the second electrode block 102 in the range of the first display area AA1 is routed from one side of the display area AA far away from the first driving unit 201 and the second driving unit 202, and the first signal line 301 connected to the first electrode block 101 in the range of the second display area AA2 is also routed from one side of the display area AA far away from the first driving unit 201 and the second driving unit 202, so that the occurrence of a short circuit phenomenon caused by crossing with the signal lines led out from the first driving unit 201 and the second driving unit 202 when the second segment 3022 and the fifth segment 3015 are routed from one side of the display area AA near the first driving unit 201 and the second driving unit 202 can be avoided, and the difficulty of routing can be reduced in process, the manufacturing efficiency is improved.
In some alternative embodiments, referring to fig. 2 and fig. 5, fig. 5 is a partially enlarged view of a region C in fig. 2, in this embodiment, the first signal line 301 and the second signal line 302 are respectively connected to the bending section 40, one end of the bending section 40 is electrically connected to the first signal line 301 and the second signal line 302, and the other end is electrically connected to the driving unit 20.
The bending section 40 at least comprises a first bending section 401 and a second bending section 402, one end of the first bending section 401 is electrically connected with the first signal line 301, the other end of the first bending section 401 is electrically connected with the first driving unit 201, one end of the second bending section 402 is electrically connected with the second signal line 302, and the other end of the second bending section 402 is electrically connected with the second driving unit 202; along the first direction X, the extending directions of the first bending section 401 and the second bending section 402 both draw close to the middle position of the first driving unit 201 and the second driving unit 202, that is, in the second direction Y, the ends of the first bending section 401 and the second bending section 402 far away from the display area AA both have a tendency to draw close to the middle position of the first driving unit 201 and the second driving unit 202.
In this embodiment, it is further explained that the first signal line 301 and the second signal line 302 are respectively connected with the bending section 40, as shown in fig. 5, the first signal line 301 is connected with the first bending section 401, one end of the first bending section 401 is electrically connected with the first signal line 301, the other end is electrically connected with the first driving unit 201, the second signal line 302 is connected with the second bending section 402, one end of the second bending section 402 is electrically connected with the second signal line 302, the other end is electrically connected with the second driving unit 202, along the first direction X, the first bending section 401 and the second bending section 402 are both arranged to have a tendency of being close to the middle position of the two driving units 20, the first signal line 301 and the second signal line 302 are close to the middle position through the bending section 40 and then are electrically connected with the driving unit 20, so that not only in the first direction X, the non-display area NA occupies less frame space, but also in the second direction Y, the non-display area NA also occupies a narrower frame space, and the narrow frame of the panel is further facilitated to be realized. Therefore, the display panel of the embodiment can avoid the display area AA from having obvious screen splitting conditions which can be recognized by human eyes, improve the visual effect and the user experience, further facilitate the improvement of the display quality of the large-size display panel, and further reduce the frame and realize the narrow frame of the panel.
It should be noted that, in the present embodiment, the bending angle of the bending portion 40 is not limited, and it is only necessary to make the first signal line 301 and the second signal line 302 converge toward the middle position through the bending portion 40, so as to achieve the purpose of reducing the frame.
In some optional embodiments, please refer to fig. 6, fig. 6 is a schematic structural diagram of another display panel according to an embodiment of the present invention, in this embodiment, a display panel 000 includes a plurality of fingerprint identification units 50, a working phase of the display panel 000 at least includes a fingerprint identification phase, in the fingerprint identification phase, an electrode block 10 is multiplexed as a common electrode layer of the fingerprint identification units 50, and a first signal line 301 and a second signal line 301 are multiplexed as a fingerprint detection signal line of the fingerprint identification unit.
The present embodiment further explains that the display function and the fingerprint recognition function of the display panel can be simultaneously realized by controlling the driving timing of the driving unit 20. In the fingerprint identification stage of the display panel, the electrode block 10 may be multiplexed as a common electrode layer of the fingerprint identification unit 50, the first signal line 301 and the second signal line 301 are multiplexed as a fingerprint detection signal line 501 of the fingerprint identification unit 50, the first electrode block 101 is provided with a common voltage signal through the first driving unit 201 and the first signal line 301, the second electrode block 102 is provided with a common voltage signal through the second driving unit 202 and the second signal line 302, and when the fingerprint identification unit 50 detects a fingerprint signal, the first signal line 301 provides the fingerprint detection signal to the first driving unit 201, and the second signal line 302 provides the fingerprint detection signal to the second driving unit 202, thereby completing the fingerprint identification detection function.
The fingerprint recognition unit 50 of the present embodiment may be a capacitive fingerprint recognition unit, or may be an optical fingerprint recognition unit.
The working principle of the capacitive fingerprint identification unit (not shown in the figure) for fingerprint identification is to integrate the capacitive sensor into a chip, when the surface of the chip is pressed by a fingerprint, the fingerprint identification unit 50 and the conductive subcutaneous electrolyte form an electric field, the valley and the ridge of the fingerprint can cause different changes of the pressure difference between the two, the capacitive sensor can generate charge difference according to the peak and the valley of the fingerprint, the signal between the capacitive sensor and the driving unit 20 is transmitted through a fingerprint detection signal line 501 (namely a first signal line 301 and a second signal line 302), and the driving unit forms a fingerprint image according to the received detection signal, so that accurate fingerprint determination can be realized.
Fig. 7 shows the working principle of the optical fingerprint identification unit, where fig. 7 is a schematic view of the working principle of the optical fingerprint identification unit according to the embodiment of the present invention, and each fingerprint identification unit 50 in fig. 7 generally includes two thin film transistors, one of which is a switching transistor T1 for controlling a switch, and the other is a light sensing transistor T2 as a light sensing element, where the light sensing transistor T2 is used to detect the intensity of light, and the switching transistor T1 is used as a switch to control the output of photocurrent. When fingerprint scanning is carried out, because the difference between the fingerprint valley ridge, the light source shines and can produce different reflection on the finger, thereby make the light intensity that reaches sensitization transistor T2 department appear changing, produce different photocurrent differences, when switch transistor T1 is opened (by fingerprint scanning line 60 to the grid of switch transistor T1 provide the scanning drive signal), current signal can be carried drive unit 20 through the fingerprint detection signal line (be first signal line 301 and second signal line 302) and is handled, then acquire corresponding light intensity information, can realize the detection to fingerprint valley ridge, optical fingerprint identification module has antistatic ability reinforce, system stability is better, long service life, advantages such as sensitivity height.
In some optional embodiments, please refer to fig. 8, fig. 8 is a schematic structural diagram of another display panel according to an embodiment of the present invention, in this embodiment, a display panel 000 includes a plurality of touch units 70, a working stage of the display panel 000 at least includes a touch stage, in the touch stage, an electrode block 10 is multiplexed as a touch electrode of the touch unit 70, and a first signal line 301 and a second signal line 302 are multiplexed as a touch sensing line 701 of the touch unit 70.
The present embodiment further explains that the display function and the touch detection function of the display panel can be simultaneously realized by controlling the driving timing of the driving unit 20. In the touch stage of the display panel, the electrode blocks 10 are multiplexed as touch electrodes of the touch unit 70, the first signal lines 301 and the second signal lines 302 are multiplexed as touch sensing lines 701 of the touch unit 70, the first driving unit 201 and the first signal lines 301 provide common voltage signals for the first electrode blocks 101, the second driving unit 202 and the second signal lines 302 provide common voltage signals for the second electrode blocks 102, the first driving unit 201 provides touch signals to each first electrode block 101 through the first signal lines 301 and receives sensing signals when touch occurs, and the second driving unit 202 provides touch signals to each second electrode block 102 through the second signal lines 302 and receives sensing signals when touch occurs. Each electrode block 10 forms a capacitance with ground, which is known as self-capacitance, i.e. the capacitance of the electrode block 10 to ground. When a touch subject (for example, a finger) touches the panel surface, the capacitance of the finger will be superimposed on the panel capacitance, so that the panel capacitance is increased, and the first driving unit 201 and the second driving unit 202 detect the capacitance change of the first electrode block 101 and/or the second electrode block 102 before and after the touch, and can respectively determine the horizontal coordinate and the vertical coordinate, and then combine the horizontal coordinate and the vertical coordinate into the touch coordinate when the touch occurs. When multi-point touch is performed, for example, two-point touch can be performed, two horizontal coordinates and two vertical coordinates can be obtained respectively, and four position coordinates are formed by combination, so that a touch detection function is realized.
In some alternative embodiments, with continued reference to fig. 1-8, in this embodiment, each electrode block 10 of the display panel 000 has the same shape.
The present embodiment further explains that each electrode block 10 of the display panel 000 has the same shape, the shape of the electrode block 10 may be square, regular polygon, circle or other shapes, and the shape of each electrode block 10 is designed to be the same, which can reduce the process difficulty and improve the process efficiency.
In some optional embodiments, please refer to fig. 9, fig. 9 is a schematic structural diagram of a display device according to an embodiment of the present invention, and the display device 111 according to the embodiment includes the display panel 000 according to the above embodiments. The display device 111 in the embodiment of fig. 9 is described by taking a mobile phone as an example, but it should be understood that the display device 111 provided in the embodiment of the present invention may be another display device 111 having a display function, such as a computer, a television, an electronic paper, and a vehicle-mounted display device, and the present invention is not limited thereto. The display device 111 provided in the embodiment of the present invention has the beneficial effects of the display panel 000 provided in the embodiment of the present invention, and specific reference may be made to the specific description of the display panel 000 in the above embodiments, which is not described herein again.
As can be seen from the above embodiments, the display panel and the display device provided by the present invention at least achieve the following beneficial effects:
in the display panel provided by the invention, a plurality of electrode blocks arranged in an array manner are arranged in a display area, the plurality of electrode blocks arranged in the array manner at least comprise a first electrode block and a second electrode block, the first electrode block and the second electrode block are sequentially staggered along a first direction, the first electrode block and the second electrode block are sequentially staggered along a second direction, and the first direction is intersected with the second direction, namely the plurality of electrode blocks arranged in the array manner on the display panel are arranged in a checkerboard manner. And at least a first driving unit and a second driving unit are arranged in the non-display area, each first electrode block is electrically connected with the first driving unit through a first signal line, and each second electrode block is electrically connected with the second driving unit through a second signal line. Because the first electrode block and the second electrode block adjacent to each column are connected to different driving units, and the first electrode block and the second electrode block adjacent to each row are also connected to different driving units, even if the driving voltages (optionally, the output driving voltages are common voltages) output by different driving units are not completely the same, the driving signals provided by each driving unit of the whole display panel to the whole electrode blocks can be kept balanced as much as possible, and the display effects tend to be consistent. Because the area of each electrode block is small, the visual difference generated by the electrode blocks arranged in the checkerboard mode is the difference between the dot structures, and therefore compared with the visual difference of a strip structure or a block structure, the electrode blocks are more difficult to be identified by human eyes, and the phenomenon of visual screen division is better improved, so that the situation that the screen division can be identified by the human eyes obviously appears in a display area can be avoided, the visual effect and the use experience of a user are improved, and the display quality of a large-size display panel is further improved.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (10)

1. A display panel, comprising: a display area and a non-display area disposed around the display area;
the display area comprises a plurality of electrode blocks which are arranged in an array mode, the electrode blocks which are arranged in the array mode are arranged in a checkerboard mode, the electrode blocks comprise first electrode blocks and second electrode blocks, the first electrode blocks and the second electrode blocks are sequentially arranged in a staggered mode along a first direction, and the first electrode blocks and the second electrode blocks are sequentially arranged in a staggered mode along a second direction; wherein the first direction and the second direction intersect;
the non-display area comprises at least two driving units which are respectively a first driving unit and a second driving unit;
each first electrode block is electrically connected with the first driving unit through a first signal line, and each second electrode block is electrically connected with the second driving unit through a second signal line, so that the first electrode block and the second electrode block adjacent to each column in the display area are connected to different driving units; and the first electrode block and the second electrode block which are adjacent to each row are connected to different driving units.
2. The display panel according to claim 1, wherein when the first signal lines and the second signal lines are disposed on the same layer, each of the first signal lines and each of the second signal lines do not overlap in a direction perpendicular to a light exit surface of the display panel.
3. The display panel according to claim 1, wherein the display regions include at least a first display region and a second display region, the first display region and the second display region being adjacently disposed along the first direction; along the second direction, the first display area is arranged adjacent to the first driving unit, and the second display area is arranged adjacent to the second driving unit;
the first driving unit and the second driving unit are positioned on the same side of the display area along the second direction;
in the range of the first display area, the first signal lines connected with the first electrode blocks extend along the second direction; the second signal wire connected with the second electrode block comprises a first section, a third section and a second section, wherein the first section and the third section extend along the second direction, the second section extends along the first direction, one end of the first section is electrically connected with the second electrode block, one end of the third section is electrically connected with the second driving unit, and two ends of the second section are respectively electrically connected with the first section and the third section;
in the range of the second display area, the second signal lines connected with the second electrode blocks extend along the second direction; the first signal line that the first electrode piece is connected includes along fourth section, sixth section that the second direction extends and along the fifth section that the first direction extends, fourth section one end with first electrode piece electricity is connected, the one end of sixth section with first drive unit electricity is connected, the both ends of fifth section respectively with the fourth section with the sixth section electricity is connected.
4. The display panel according to claim 3, wherein the second segment and the fifth segment are located at an end of the display area far from the first driving unit and the second driving unit.
5. The display panel according to claim 1, wherein the first signal line and the second signal line are respectively connected with a bending section, one end of the bending section is electrically connected with the first signal line and the second signal line, and the other end of the bending section is electrically connected with the driving unit.
6. The display panel according to claim 5, wherein the bending section comprises at least a first bending section and a second bending section, one end of the first bending section is electrically connected to the first signal line, the other end of the first bending section is electrically connected to the first driving unit, one end of the second bending section is electrically connected to the second signal line, and the other end of the second bending section is electrically connected to the second driving unit; along the first direction, the extending directions of the first bending section and the second bending section are close to the middle position of the first driving unit and the second driving unit.
7. The display panel according to claim 1, wherein the display panel comprises a plurality of fingerprint identification units, the working phase of the display panel at least comprises a fingerprint identification phase, in the fingerprint identification phase, the electrode blocks are multiplexed as a common electrode layer of the fingerprint identification units, and the first signal lines and the second signal lines are multiplexed as fingerprint detection signal lines of the fingerprint identification units.
8. The display panel according to claim 1, wherein the display panel comprises a plurality of touch units, and the operation stage of the display panel at least comprises a touch stage in which the electrode blocks are multiplexed as touch electrodes of the touch units, and the first signal lines and the second signal lines are multiplexed as touch sense lines of the touch units.
9. The display panel according to claim 1, wherein each of the electrode blocks has the same shape.
10. A display device characterized by comprising the display panel according to any one of claims 1 to 9.
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