CN107749247A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN107749247A CN107749247A CN201711094952.4A CN201711094952A CN107749247A CN 107749247 A CN107749247 A CN 107749247A CN 201711094952 A CN201711094952 A CN 201711094952A CN 107749247 A CN107749247 A CN 107749247A
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- signal line
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- scan signal
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—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 being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of display panel and display device, including viewing area and the non-display area adjacent with viewing area, viewing area to include：First viewing area and the second viewing area, the pixel quantity of each pixel column in the first viewing area are respectively less than the pixel quantity of the second viewing area any pixel row；The scan signal line of viewing area is set with the different layer of fixed potential line, and has overlapping region in the direction perpendicular to display panel, wherein, the area of any one overlapping region in the first viewing area is more than the area of any one overlapping region in the second viewing area.The area of the overlapping region between each scan signal line and fixed potential signal wire in the first viewing area less by increasing pixel quantity, so that the load capacitance increase of each scan signal line in the first viewing area, so that the load gap between each bar scan signal line in the first viewing area and the scan signal line of the second viewing area, so as to improve the display homogeneity of display panel, display effect is lifted.
Description
Technical field
The present invention relates to display technology field, espespecially a kind of display panel and display device.
Background technology
The display panel commonly used at this stage generally can be divided into the viewing area shown for image, and for setting
The non-display area of peripheral driving circuit etc..In viewing area in array distribution pixel respectively by a switch element with
Drive circuit of non-display area etc. connects.Under normal circumstances, each switch element and a scan line and a data lines connect
Connect, switch element is opened by the scanning signal of received scanline, drive pixel to show by the data-signal for receiving data wire
Go out certain GTG, the scan line and data wire of the switch element connection various combination of different pixels, so as to which each pixel can be with
Independent is luminous.The viewing area of display panel common at present is the rectangle of rule, therefore, the number of pixels phase of each row
Together, the pixel of a line is driven simultaneously by a scan line.
Development and people however as Display Technique need to adopt in some cases to the requirements at the higher level of display screen
With the special-shaped display screen of irregular rectangle, for example, the circular display screen applied to electronic watch, and account for screen ratio to increase
Screen etc. comprehensively.This in this case, the profiled section pixel of viewing area is no longer able to arrange rectangular array, therefore each row
The quantity of pixel is also not necessarily identical, then drives the load (RC) of the scan line for pixel of not going together no longer identical, and then causes
Irregular shaped region and non-profiled scanned in regions line are when providing identical scanning signal, irregular shaped region and the display in non-profiled region
Brightness is also inconsistent, and therefore, the display homogeneity of special-shaped display panel is poor, and display effect is undesirable.
The content of the invention
The embodiment of the present invention provides a kind of display panel and display device, and to improve display brightness homogeneity, optimization is aobvious
Show effect.
In a first aspect, the embodiment of the present invention provides a kind of display panel, including viewing area and with the viewing area phase
Adjacent non-display area；
The viewing area includes：First viewing area and the second viewing area, first viewing area are arranged at the display
The edge in region；First viewing area includes multiple pixels of array arrangement with second viewing area, and described first is aobvious
Show that the pixel quantity of each pixel column in area is respectively less than the pixel quantity of the second viewing area any pixel row；
The display panel also includes：Multi-strip scanning signal wire and a plurality of fixed potential signal positioned at the viewing area
Line；
The scan signal line is set with the different layer of the fixed potential line, and is had perpendicular to the direction of the display panel
There is overlapping region, wherein, the area of any one overlapping region in first viewing area is more than second viewing area
The area of any one the interior overlapping region.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, described first is aobvious
Show that area comprises at least：The first pixel column and the second pixel column that pixel quantity does not wait, the pixel quantity of first pixel column are small
In the pixel quantity of second pixel column；
The area of the overlapping region of the scan signal line corresponding to first pixel column is more than second picture
The area of the overlapping region of the scan signal line corresponding to plain row.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, first picture
The scan signal line corresponding to plain row is more than described second in the width of the fixed signal line corresponding to the overlapping region
Width of the scan signal line corresponding to pixel column in the fixed signal line corresponding to the overlapping region.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the scanning letter
Number line includes：First scan signal line, the second scan signal line and light emitting control scan signal line.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the fixed electricity
Position signal wire includes：Power supply voltage signal line.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the pixel bag
Include：Organic Light Emitting Diode, and the multiple switch transistor for the control organic light-emitting diode that cooperates；
The switching transistor has overlapping region with the scan signal line perpendicular to the direction of the display panel；
Width of the scan signal line in the overlapping region is more than the scan signal line except the overlapping region is with exterior domain
Width.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the switch is brilliant
Body pipe includes：First switch transistor, initialization transistor, second switch transistor and driving transistor；
The grid of the initialization transistor is connected with first scan signal line；The grid of the first switch transistor
Pole is connected with second scan signal line；The grid of the second switch transistor and the light emitting control scan signal line phase
Even；The grid of the driving transistor is connected with the drain electrode of the initialization transistor；The source electrode of the driving transistor and institute
The drain electrode for stating first switch transistor is connected, the drain electrode of the driving transistor and the source electrode phase of the second switch transistor
Even；The Organic Light Emitting Diode is connected with the drain electrode of the driving transistor；
First scan signal line and the initialization transistor, second scan signal line and the first switch
Transistor, the light emitting control scan signal line and the second switch transistor, perpendicular to the side of the display panel
To with overlapping region.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the pixel is also
Including：Storage capacitance；First pole of the storage capacitance is connected with the power supply voltage signal line, and the second of the storage capacitance
Pole is connected with the grid of the driving transistor.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, described first is aobvious
At least part edge for showing area is curl, fillet, chamfering or otch, and each pixel column of first viewing area extends to the song
Side, fillet, chamfering or otch.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, described first is aobvious
Show that area includes breach or hollow-out parts, each pixel column of first viewing area extends to the breach or hollow-out parts.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, described first is aobvious
Show that the pixel quantity of each pixel column in area increases successively along column direction；
The scan signal line corresponding to each pixel column the overlapping region area along the column direction according to
Secondary reduction.
In a kind of possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, each scanning
Signal wire is sequentially reduced in the width of fixed signal line corresponding to the overlapping region along the column direction.
Second aspect, the embodiment of the present invention provide a kind of display device, including any of the above-described display panel.
The present invention has the beneficial effect that：
Display panel provided in an embodiment of the present invention and display device, including viewing area and adjacent with viewing area non-
Viewing area, viewing area include：First viewing area and the second viewing area, the first viewing area are arranged at the edge of viewing area；
First viewing area includes multiple pixels of array arrangement with the second viewing area, and the pixel quantity of each pixel column in the first viewing area is equal
Less than the pixel quantity of the second viewing area any pixel row；Display panel also includes：Multi-strip scanning signal positioned at viewing area
Line and a plurality of fixed potential signal wire；Scan signal line is set with the different layer of fixed potential line, and perpendicular to the side of display panel
To with overlapping region, wherein, the area of any one overlapping region in the first viewing area is more than any in the second viewing area
The area of individual overlapping region.Each scan signal line in the first viewing area less by increasing pixel quantity is believed with fixed potential
The area of overlapping region between number line so that the load capacitance increase of each scan signal line in the first viewing area, so that
Load gap between each bar scan signal line in first viewing area and the scan signal line of the second viewing area, so as to improve display surface
The display homogeneity of plate, lift display effect.
Brief description of the drawings
Fig. 1 is one of structural representation of display panel provided in an embodiment of the present invention；
Fig. 2 is the structural representation of the first viewing area provided in an embodiment of the present invention；
Fig. 3 is the domain of image element circuit provided in an embodiment of the present invention；
Fig. 4 is the circuit structure diagram of image element circuit provided in an embodiment of the present invention；
Fig. 5 is the two of the structural representation of display panel provided in an embodiment of the present invention；
Fig. 6 is the three of the structural representation of display panel provided in an embodiment of the present invention；
Fig. 7 is the four of the structural representation of display panel provided in an embodiment of the present invention；
Fig. 8 is the five of the structural representation of display panel provided in an embodiment of the present invention；
Fig. 9 is the six of the structural representation of display panel provided in an embodiment of the present invention；
Figure 10 is the structural representation of display device provided in an embodiment of the present invention.
Embodiment
The embodiment of the present invention provides a kind of display panel and display device, and to improve display brightness homogeneity, optimization is aobvious
Show effect.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with accompanying drawing and implementation
The present invention will be further described for example.However, example embodiment can be implemented in a variety of forms, and it is not understood as limited to
Embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention more comprehensively and completely, and by example embodiment party
The design of formula is comprehensively communicated to those skilled in the art.Identical reference represents same or similar knot in figure
Structure, thus repetition thereof will be omitted.It is described in the present invention expression position and direction word, be using accompanying drawing as
The explanation that example is carried out, but can also make a change as needed, make change and be all contained in the scope of the present invention.The present invention
Accompanying drawing be only used for illustrate relative position relation do not represent actual proportions.
It should be noted that detail is elaborated in the following description in order to fully understand the present invention.But this hair
Bright to be different from other manner described here with a variety of and be implemented, those skilled in the art can be without prejudice in the present invention
Similar popularization is done in the case of culvert.Therefore the present invention is not limited by following public embodiment.Specification is subsequently retouched
State to implement the better embodiment of the application, so the description is for the purpose of the rule for illustrating the application, is not used
To limit scope of the present application.The protection domain of the application is worked as to be defined depending on appended claims institute defender.
Below in conjunction with the accompanying drawings, display panel provided in an embodiment of the present invention and display device are specifically described.
As shown in figure 1, display panel provided in an embodiment of the present invention, including：Viewing area A and adjacent with viewing area
Non-display area B, wherein：
Viewing area includes A：First viewing area A1 and the second viewing area A2, the first viewing area A1 are arranged at viewing area A
Edge；First viewing area A1 and the second viewing area A2 includes multiple pixel ps of array arrangement, first each pixels of viewing area A1
Capable pixel quantity is respectively less than the pixel quantity of the second viewing area A2 any pixel rows；
Display panel also includes：Multi-strip scanning signal wire 11 and a plurality of fixed potential signal wire 12 positioned at viewing area；
Scan signal line 11 is set with 12 different layer of fixed potential line, and has crossover region in the direction perpendicular to display panel
Domain, wherein, any one that A1 any one overlapping region s1 area is more than in the second viewing area A2 in the first viewing area is overlapping
Region s2 area.
In actual applications, conventional display panel is rectangle, sets multiple pixels to be arranged in matrix in display panel, shows
Show and gate driving circuit is set in the non-display area of panel both sides, the output ends at different levels of gate driving circuit are all connected with a scanning
Signal wire, scanning signal is provided for each row pixel, in the display panel of routine, the picture of a line that every scanning signal is connected
Prime number amount is equal.During actual fabrication, scan signal line, understand through the non-open region of one-row pixels, therefore scanning signal
The resistance of line in itself, and resistance between such as transistor element in pixel and electric capacity can all turn into the scan signal line
Load.In order to adapt to some special requirements, display panel may be designed to non-rectangle other shapes, then in display surface
Picture element matrix in plate can be cut off one part of pixel in positions such as edge, inside, and this will result in the picture that pixel column is included
The unequal situation of prime number amount, the load for now connecting the often scan signal line of row pixel can have because pixel quantity is unequal
Institute's difference, then when loading identical signal, be input between the signal in each row pixel there is also difference, thereby resulted in aobvious
The problem of showing inequality.
In view of this, it is the first viewing area A1 by viewing area A points in above-mentioned display panel provided in an embodiment of the present invention
With the second viewing area A2；The pixel quantity that any one-row pixels are included in first viewing area A1 is respectively less than in the second viewing area A2
The pixel quantity that often row pixel is included, i.e., the load of each scan signal line in the first viewing area, which is less than in the second viewing area, sweeps
Retouch the load of signal wire.Now increase in the first viewing area each scan signal line 11 and fixed potential signal wire 12 perpendicular to display
The area of overlapping region s1 on panel direction, the area of any overlapping region s1 in the first viewing area is set to be all higher than the second display
Overlapping region s2 area in area, thus increase the parasitism between scan signal line 11 and fixed potential line 12 in the first viewing area
Electric capacity, so as to the load increase of the less scan signal line of pixel quantity is connected, the load gap between compensated scanning signal wire,
The problem of improving the display inequality of display panel, lift display effect.
Alternatively, fixed electricity corresponding to each pixel of connection can be directed to by connecting the less scan signal line of pixel quantity
Increase the area of overlapping region between the signal wire of position, fixed potential signal wire corresponding to the partial pixel of connection can also be directed to
Between increase overlapping region area, do not limit herein.Can be negative to reduce the load gap between scan signal line
Carry less scan signal line additional designs compensating unit (such as electric capacity or resistance) to be connected with scan signal line, but can so sacrifice
A part of viewing area for setting pixel originally sets above-mentioned compensating unit.And in above-mentioned display provided in an embodiment of the present invention
Panel, the area of the overlapping region between the scan signal line and fixed potential signal wire less by increasing connection pixel quantity
To compensate the load of these scan signal lines, the space in pixel openings area will not be both taken in this way；Also without for
The part of scan signal line additional designs load compensation, it is used to show have so as to save this segment space design pixel
The design of area and narrow frame beneficial to increase viewing area.
Further, the different scan signal line of pixel quantity is included for pixel column, the size of its load compensation also has
Institute is different.As shown in Fig. 2 the first viewing area A1 is comprised at least：The the first pixel column La and the second pixel column that pixel quantity does not wait
Lb, the first pixel column La pixel quantity are less than the second pixel column Lb pixel quantity；Scanning letter corresponding to first pixel column La
The overlapping region s1a of number line area is more than the area of the overlapping region s1b of scan signal line corresponding to the second pixel column Lb.
As described above, the pixel quantity difference that scan signal line is connected can cause the load of scan signal line also poor
Different, the pixel quantity that scan signal line is connected is more, then the load of the scan signal line is bigger；The picture of scan signal line connection
Prime number amount is fewer, then the load of the scan signal line is smaller.Therefore, for above-mentioned pixel quantity not wait the first pixel column La and
Second pixel column Lb, the first pixel column La pixel quantity is less than the second pixel column Lb pixel quantity, therefore connects the first picture
The load of plain row La scan signal line is less than the load of the second pixel column Lb of connection scan signal line, then needs to connection the
The load of one pixel column La scan signal line compensates, and in embodiments of the present invention, sets corresponding to the first pixel column La
The overlapping region s1a of scan signal line area is more than the overlapping region s1b of scan signal line corresponding to the second pixel column Lb
Area, it is possible thereby to increase the parasitic capacitance of the first pixel column La of connection scan signal line, so as to compensate its load, reduce two
Load gap between bar scan signal line.
Scan signal line 11 is located at different metal levels from fixed potential signal wire 12, and has insulating barrier between the two,
When both have overlapping region in the mode perpendicular to display panel, then parasitic capacitance can be produced, this partition capacitance can conduct
The load of scan signal line in itself.Scan signal line corresponding to the extremely overlapping region of the two of parasitic capacitance and fixed signal line, because
The area of this both overlapping region is bigger, and electric capacity is bigger.In embodiments of the present invention, as shown in Fig. 2 can be by increasing line
Wide mode increases the area of overlapping region.Referring specifically to Fig. 2, in embodiments of the present invention, corresponding to the first pixel column La
Scan signal line is more than in the width wa of fixed signal line 12 corresponding to overlapping region s1a scans letter corresponding to the second pixel column Lb
The width wb of number line in fixed signal line 12 corresponding to overlapping region s1b.In addition, compared in the end of scan signal line
The mode of electric capacity or resistance is set to increase the load of scan signal line, the embodiment of the present invention is had using increase with scan signal line
The mode of the line width of the fixed signal line of overlapping region increases the load of scan signal line, will have when making with scan signal line
The line width for having the corresponding position of the fixed signal line of overlapping region is widened, and does not take the display for setting compensation load additionally
The position in region.
In the specific implementation, when above-mentioned display panel applications provided in an embodiment of the present invention are in OLED display panel, such as
OLED pixel domain shown in Fig. 3, scan signal line 11 generally comprise：First scan signal line S1, the second scan signal line S2
With light emitting control scan signal line EMIT.Fixed potential signal wire 12 typically may include：Power supply voltage signal line PVDD.Wherein,
First scan signal line S1, the second scan signal line S2 and light emitting control scan signal line EMIT can be set with layer, using once
Patterning processes are formed, and power supply voltage signal line PVDD is set with the different layer of scan signal line, scan signal line and power supply voltage signal
There is insulating barrier between line PVDD.As shown in figure 3, the first scan signal line S1, the second scan signal line S2 and light emitting control are swept
It is usually horizontally arranged to retouch signal wire EMIT, power supply voltage signal line PVDD is usually that vertical direction is set, the first scanning
Signal wire S1 and power supply voltage signal line PVDD, the second scan signal line S2 and power supply voltage signal line PVDD, and photocontrol
Overlapping region be present perpendicular to display panel direction in scan signal line EMIT and power supply voltage signal line PVDD, therefore, when
When increasing power supply voltage signal line PVDD line width, the area of its overlapping region between each scan signal line can be increased,
So as to increase the load capacitance of scan signal line.
In actual applications, the pixel of display panel lights under the control of image element circuit, is provided in the embodiment of the present invention
Above-mentioned display panel applications when OLED display panel, pixel includes：Organic Light Emitting Diode OLED, and for phase interworking
Close the multiple switch transistor of control organic light-emitting diode；The schematic diagram of its image element circuit is referring to Fig. 4, corresponding to Fig. 4
Domain referring to Fig. 3.
Dot structure as shown in Figure 3, switching transistor (M1-M6, DTFT) exist with scan signal line (S1, S2, EMIT)
There is overlapping region perpendicular to the direction of display panel.In order to further increase the load of scan signal line, scanning letter can be set
The width of number line in overlapping region is more than scan signal line except overlapping region is with the width of exterior domain.Because scan signal line leads to
Often the grid with above-mentioned each switching transistor is set with layer, therefore, has the scanning letter of overlapping region part with switching transistor
The same floor metal of number line is used for the grid for forming switching transistor, and the length-width ratio of the channel region of switching transistor by with grid
Line width it is relevant, in order to ensure that the performance of switching transistor is unaffected, by scan signal line in the weight with each switching transistor
The line width in folded region, which is fixed, to be become, and scan signal line is reduced in the line width of Non-overlapping Domain, so as to increase scan signal line
Resistance, the load of scan signal line is further compensate for, reduces the load gap between scan signal line.
As shown in Figure 3 and Figure 4, switching transistor may include：First switch transistor M1, initialization transistor M2, second
Switching transistor M3 and driving transistor DTFT；
Initialization transistor M2 grid is connected with the first scan signal line S1；First switch transistor M1 grid and
Two scan signal line S2 are connected；Second switch transistor M3 grid is connected with light emitting control scan signal line EMIT；Driving is brilliant
Body pipe DTFT grid is connected with initialization transistor M2 drain electrode；Driving transistor DTFT source electrode and first switch transistor
M1 drain electrode is connected, and driving transistor DTFT drain electrode is connected with second switch transistor M3 source electrode；Organic Light Emitting Diode
OLED is connected with driving transistor DTFT drain electrode.
As shown in Figure 3 and Figure 4, the first scan signal line S1 and initialization transistor M2, the second scan signal line S2 and the
One switching transistor M1, light emitting control scan signal line EMIT are with second switch transistor M3 perpendicular to the side of display panel
To with overlapping region., can by reducing the first scan signal line S1 in the width with initialization transistor M2 Non-overlapping Domains
To increase the first scan signal line S1 load resistance；By reduce the second scan signal line S2 with first switch transistor M1
The width of Non-overlapping Domain, the second scan signal line S2 load resistance can be increased；By reducing light emitting control scanning signal
Line EMIT can increase the negative of light emitting control scan signal line EMIT in the width with second switch transistor M3 Non-overlapping Domains
Carry resistance；The first scan signal line S1 corresponding to the less pixel column of pixel quantity, the second scanning letter are included so as to increase
Number line S2 and light emitting control scan signal line EMIT load, reduces the less pixel column of pixel quantity and pixel quantity is more
Pixel column corresponding to load gap between scan signal line.
Specifically, above-mentioned initialization transistor M2 source electrode is typically connected with reference signal line VREF, for being swept first
When retouching in the conduction state under signal wire S1 control, using reference signal line VREF reference potential to driving transistor DTFT
Grid initialization；Above-mentioned first switch transistor M1 source electrode is typically connected with data signal line VDATA, for being swept second
When retouching in the conduction state under signal wire S2 control, by data signal line VDATA data-signal write driver transistor
DTFT source electrode；Above-mentioned second switch transistor M2 source electrode is typically connected with power supply voltage signal line PVDD, for luminous
When in the conduction state under control line EMIT control, the power supply signal write driver that power supply voltage signal line PVDD is provided is brilliant
Body pipe DTFT source electrode.
Further, as shown in Figure 3 and Figure 4, in above-mentioned display panel provided in an embodiment of the present invention, pixel is also wrapped
Include：Storage capacitance C；Storage capacitance C the first pole d1 is connected with power supply voltage signal line PVDD, storage capacitance C the second pole d2
It is connected with driving transistor DTFT grid.Storage capacitance C is used for storage driving transistor DTFT grid voltage.
Alternatively, in above-mentioned display panel provided in an embodiment of the present invention, as shown in Figure 3 and Figure 4, pixel typically may be used also
With including：Compensate transistor M4；Compensation transistor M4 grid is connected with the second scan signal line S2, source electrode and driving transistor
DTFT grid is connected, and drain electrode is connected with driving transistor DTFT drain electrode.Transistor M4 is compensated in the second scan signal line S2
Control under it is in the conduction state when, by driving transistor DTFT drain electrode and gate turn-on.I.e. in the second scan signal line S2
When turning on first switch transistor M1, compensation transistor M4 is also at conducting state, the data letter of data signal line VDATA loadings
Number it is loaded onto driving transistor DTFT source electrode by the first switch transistor M1 of conducting, and driving transistor DTFT source electrode
It is Vdata- with grid voltage | Vth |, i.e., driving transistor DTFT threshold voltage is arrived into grid in the compensation of data write phase,
Glow phase is inputted into Organic Light Emitting Diode OLED driving current from driving transistor DTFT after can eliminating | Vth |
Influence, that is, eliminate drive transistor threshold voltage drift to luminous influence, make organic EL display panel that there is threshold
Threshold voltage compensation function.
Alternatively, in above-mentioned display panel provided in an embodiment of the present invention, as shown in Figure 3 and Figure 4, pixel typically may be used also
With including：Light emitting control transistor M5；Light emitting control transistor M5 grid is connected with light emitting control line EMIT, source electrode and driving
Transistor DTFT drain electrode is connected, and drain electrode is connected with Organic Light Emitting Diode OLED.Light emitting control transistor M5 is in light emitting control
When in the conduction state under line EMIT control, driving transistor DTFT drain electrode is turned on Organic Light Emitting Diode OLED.
I.e. light emitting control transistor M5 is in cut-off state in initial phase and data write phase, can avoid in two this ranks
Section has driving current driving luminous.
Alternatively, in above-mentioned display panel provided in an embodiment of the present invention, as shown in Figure 3 and Figure 4, pixel typically may be used also
With including：Anode reset transistor M6；Anode reset transistor M6 grid is connected with the first scan signal line S1, source electrode and ginseng
Examine signal wire VREF to be connected, drain electrode is connected with Organic Light Emitting Diode OLED.Anode reset transistor M6 is in the first scanning signal
When in the conduction state under line S1 control, Organic Light Emitting Diode OLED is turned on reference signal line VREF.I.e. first
When scan signal line S1 turns on initialization transistor M2, anode reset transistor M6 is also at conducting state, reference signal line
VREF is by initialization transistor M2 and anode reset transistor M6 respectively to driving transistor DTFT grid and organic light emission
Diode OLED carries out initial reset.
Above-mentioned display panel provided in an embodiment of the present invention can be special-shaped display panel, wherein, the first viewing area A1 can be
Special-shaped viewing area, in actual applications, the pixel quantity of the pixel column in the first viewing area A1 can be with the second viewing area A2 picture
The pixel quantity of plain row.
For example, at least part edge of the first viewing area of display panel provided in an embodiment of the present invention is curl.
As shown in figure 5, the first viewing area A1 upper edge is curl, the first viewing area A1 each pixel column extends to the curl, should
Curl can be axially symmetric structure, and the pixel quantity of each pixel column in the first viewing area A1 is with the spacing with the second viewing area A2
From increase and reduce.
In another enforceable mode, as shown in fig. 6, first in display panel provided in an embodiment of the present invention is aobvious
Show area A1 at least part edge, as the edge of edge can fillet；Or as shown in Figure 7 provided in an embodiment of the present invention
Another display panel structure schematic diagram, the corner of display panel can also be chamfering or otch.As shown in Figure 6 and Figure 7, first is aobvious
Show that area A1 each pixel column all extends to above-mentioned fillet, chamfering or incision.Others are there is likely to be in actual applications
Polymorphic structure, it is numerous to list herein.
In another enforceable mode, another display panel provided in an embodiment of the present invention as shown in Figure 8
Structural representation, the first viewing area A1 may also include：Breach or hollow-out parts 13, each pixel column in the first viewing area A1 extend to
Breach or hollow-out parts 13.Breach or hollow-out parts 13 can be located at the first viewing area A1 centre position, as shown in Figure 8；Can also position
In the first viewing area A1 marginal position, as shown in Figure 9.By taking the structure shown in Fig. 8 as an example, above-mentioned breach or hollow-out parts 13 can
It is two sub-districts that first viewing area A1, which is divided to, and the two sub-districts are located at the both sides of hollow-out parts 13 respectively, and in the first viewing area
One part of pixel in pixel column is located at a sub-district, and residual pixel is located at another sub-district.Hollow-out parts 13 are not provided with pixel, can
Some are had to the element of other functions, such as the element such as camera, loudspeaker is arranged on the hollow-out parts 13.The embodiment of the present invention
Only illustrated so that the first viewing area A1 is located at the second viewing area A2 top as an example, in actual applications, the first viewing area A1
It is also possible to positioned at the second viewing area A2 bottom, then to set touch control component etc. in the position of hollow-out parts 13, not do herein
Limit.
Due to the special-shaped edge included by the first viewing area A1, make the quantity of each pixel column in the first viewing area A1 not phase
Together, thus the scan signal line of each pixel column of connection load there is also difference, this will cause the scanning letter for connecting each pixel column
The delay of number line is different, and it is uneven to ultimately result in display brightness.As shown in Figure 5-Figure 7, provided in an embodiment of the present invention above-mentioned
In display panel, in the first viewing area A1 the pixel quantity of each pixel column along column direction (as shown in Figure 5-Figure 8, along vertical
Downwardly direction) increase successively；Therefore, the load for connecting the scan signal line of each pixel column increases successively also along above-mentioned column direction
Greatly, then can set scan signal line corresponding to each pixel column with fixed signal line overlapping region s area along row side
To being sequentially reduced.So that the increased degree of load of scan signal line corresponding to the less pixel column of connection pixel quantity compared with
Greatly, make the increased degree of load of scan signal line corresponding to the more pixel column of connection pixel quantity smaller, so as to balance
The load difference of each scan signal line, reduce the delay between each scan signal line, the brightness for improving the first viewing area A1 is equal
Evenness.
As set forth above, it is possible to increase the overlapping of scan signal line and fixed potential signal wire by way of increasing line width
The area in region.Specifically, each scan signal line 11 in the first viewing area A1 can will be set to be fixed corresponding to overlapping region s
The width of signal wire 12 is sequentially reduced along above-mentioned column direction (vertically downward direction), is believed so that being scanned along column direction
The area of the overlapping region of number line is gradually reduced.
Based on same inventive concept, the embodiment of the present invention also provides a kind of display device, including any of the above-described display panel.
The display device can be liquid crystal display, LCD TV, Organic Light Emitting Diode (OrganicLight-Emitting
Diode, abbreviation OLED) display device such as display, OLED TVs, or mobile phone, tablet personal computer, notebook, intelligent watch,
The mobile devices such as Intelligent bracelet, VR/AR glasses.As shown in Figure 10, it is hand for above-mentioned display device provided in an embodiment of the present invention
Top view during machine, wherein, display screen 100 can use the structure of any of the above-described display panel, not limit herein.Due to the reality
The display device for applying example offer contains display panel described in above-described embodiment, therefore, also correspondingly has above-mentioned display
The related advantages of panel, the implementation of the display device may refer to the embodiment of above-mentioned display panel, repeat part and repeat no more.
Display panel provided in an embodiment of the present invention and display device, including viewing area and adjacent with viewing area non-
Viewing area, viewing area include：First viewing area and the second viewing area, the first viewing area are arranged at the edge of viewing area；
First viewing area includes multiple pixels of array arrangement with the second viewing area, and the pixel quantity of each pixel column in the first viewing area is equal
Less than the pixel quantity of the second viewing area any pixel row；Display panel also includes：Multi-strip scanning signal positioned at viewing area
Line and a plurality of fixed potential signal wire；Scan signal line is set with the different layer of fixed potential line, and perpendicular to the side of display panel
To with overlapping region, wherein, the area of any one overlapping region in the first viewing area is more than any in the second viewing area
The area of individual overlapping region.Each scan signal line in the first viewing area less by increasing pixel quantity is believed with fixed potential
The area of overlapping region between number line so that the load capacitance increase of each scan signal line in the first viewing area, so that
Load gap between each bar scan signal line in first viewing area and the scan signal line of the second viewing area, so as to improve display surface
The display homogeneity of plate, lift display effect.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (13)
1. a kind of display panel, including viewing area and the non-display area adjacent with the viewing area, it is characterised in that：
The viewing area includes：First viewing area and the second viewing area, first viewing area are arranged at the viewing area
Edge；First viewing area includes multiple pixels of array arrangement, first viewing area with second viewing area
The pixel quantity of each pixel column is respectively less than the pixel quantity of the second viewing area any pixel row；
The display panel also includes：Multi-strip scanning signal wire and a plurality of fixed potential signal wire positioned at the viewing area；
The scan signal line is set with the different layer of the fixed potential line, and is handed over having perpendicular to the direction of the display panel
Folded region, wherein, the area of any one overlapping region in first viewing area is more than in second viewing area
The area of any one overlapping region.
2. display panel as claimed in claim 1, it is characterised in that first viewing area comprises at least：Pixel quantity is not
Deng the first pixel column and the second pixel column, the pixel quantity of first pixel column is less than the pixel count of second pixel column
Amount；
The area of the overlapping region of the scan signal line corresponding to first pixel column is more than second pixel column
The area of the overlapping region of the corresponding scan signal line.
3. display panel as claimed in claim 2, it is characterised in that the scan signal line corresponding to first pixel column
It is more than the scanning signal corresponding to second pixel column in the width of the fixed signal line corresponding to the overlapping region
Width of the line in the fixed signal line corresponding to the overlapping region.
4. the display panel as described in claim any one of 1-3, it is characterised in that the scan signal line includes：First sweeps
Retouch signal wire, the second scan signal line and light emitting control scan signal line.
5. display panel as claimed in claim 4, it is characterised in that the fixed potential signal wire includes：Supply voltage is believed
Number line.
6. display panel as claimed in claim 5, it is characterised in that the pixel includes：Organic Light Emitting Diode, Yi Jiyong
In the multiple switch transistor for the control organic light-emitting diode that cooperates；
The switching transistor has overlapping region with the scan signal line perpendicular to the direction of the display panel；It is described
Width of the scan signal line in the overlapping region is more than the scan signal line except the overlapping region is with the width of exterior domain
Degree.
7. display panel as claimed in claim 6, it is characterised in that the switching transistor includes：First switch transistor,
Initialization transistor, second switch transistor and driving transistor；
The grid of the initialization transistor is connected with first scan signal line；The grid of the first switch transistor with
Second scan signal line is connected；The grid of the second switch transistor is connected with the light emitting control scan signal line；
The grid of the driving transistor is connected with the drain electrode of the initialization transistor；The source electrode of the driving transistor and described the
The drain electrode of one switching transistor is connected, and the drain electrode of the driving transistor is connected with the source electrode of the second switch transistor；Institute
The drain electrode that Organic Light Emitting Diode is stated with the driving transistor is connected；
First scan signal line and the initialization transistor, second scan signal line and the first switch crystal
Pipe, the light emitting control scan signal line and the second switch transistor, have perpendicular to the direction of the display panel
There is overlapping region.
8. display panel as claimed in claim 7, it is characterised in that the pixel also includes：Storage capacitance；The storage electricity
The first pole held is connected with the power supply voltage signal line, the second pole of the storage capacitance and the grid of the driving transistor
It is connected.
9. display panel as claimed in claim 1, it is characterised in that at least part edge of first viewing area is song
Side, fillet, chamfering or otch, each pixel column of first viewing area extend to the curl, fillet, chamfering or otch.
10. display panel as claimed in claim 1, it is characterised in that first viewing area includes breach or hollow-out parts, institute
Each pixel column for stating the first viewing area extends to the breach or hollow-out parts.
11. the display panel as described in claim 9 or 10, it is characterised in that each pixel column in first viewing area
Pixel quantity increase successively along column direction；
The scan signal line subtracts successively in the area of the overlapping region along the column direction corresponding to each pixel column
It is small.
12. display panel as claimed in claim 11, it is characterised in that each scan signal line is in the overlapping region pair
The width for the fixed signal line answered is sequentially reduced along the column direction.
13. a kind of display device, it is characterised in that including the display panel as described in claim any one of 1-12.
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| CN201711094952.4A CN107749247B (en) | 2017-11-03 | 2017-11-03 | A kind of display panel and display device |
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| CN114120816A (en) * | 2020-08-28 | 2022-03-01 | 群创光电股份有限公司 | Display panel and electronic device |
| WO2022062614A1 (en) * | 2020-09-25 | 2022-03-31 | 云谷（固安）科技有限公司 | Pixel drive circuit, display panel, and display device |
| US11651734B2 (en) | 2020-12-29 | 2023-05-16 | Samsung Display Co., Ltd. | Display panel and display apparatus including the same |
| WO2022165806A1 (en) * | 2021-02-07 | 2022-08-11 | 京东方科技集团股份有限公司 | Display substrate, display panel, and display apparatus |
| US11900880B2 (en) | 2021-02-07 | 2024-02-13 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display substrate, display panel and display apparatus |
| CN113190140B (en) * | 2021-04-25 | 2023-10-20 | 厦门天马微电子有限公司 | Display panel and display device |
| CN113190140A (en) * | 2021-04-25 | 2021-07-30 | 厦门天马微电子有限公司 | Display panel and display device |
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