CN107749247B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN107749247B CN107749247B CN201711094952.4A CN201711094952A CN107749247B CN 107749247 B CN107749247 B CN 107749247B CN 201711094952 A CN201711094952 A CN 201711094952A CN 107749247 B CN107749247 B CN 107749247B
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- 239000003990 capacitor Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
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- 230000008859 change Effects 0.000 description 3
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- 230000001788 irregular Effects 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
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- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
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Classifications
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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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- 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 display panel and a display device, comprising a display area and a non-display area adjacent to the display area, wherein the display area comprises: the display device comprises a first display area and a second display area, wherein the number of pixels of each pixel row of the first display area is smaller than that of any pixel row of the second display area; the scanning signal lines and the fixed potential lines of the display area are arranged in different layers and have overlapping areas in the direction perpendicular to the display panel, wherein the area of any overlapping area in the first display area is larger than that of any overlapping area in the second display area. By increasing the area of the overlapping area between each scanning signal line and the fixed potential signal line in the first display area with less pixel number, the load capacitance of each scanning signal line in the first display area is increased, so that the load difference between each scanning signal line in the first display area and the scanning signal line in the second display area is increased, the display uniformity of the display panel is improved, and the display effect is improved.
Description
Technical field
The present invention relates to field of display technology, espespecially a kind of display panel and display device.
Background technique
Common display panel generally can be divided into the display area shown for image at this stage, and for being arranged
The non-display area of peripheral driving circuit etc..In display area in array distribution pixel pass through respectively a switch element with
The connection such as driving circuit of non-display area.Under normal conditions, each switch element and a scan line and a data wire connect
It connects, element is turned on the switch by the scanning signal of received scanline, the data-signal by receiving data line drives pixel to show
Certain grayscale out, the scan line and data line of the switch element connection various combination of different pixels, so that each pixel can be with
It is independent to shine.The display area of display panel common at present is the rectangle of rule, therefore, the number of pixels phase of each row
Together, You Yigen scan line drives the pixel of a line simultaneously.
Development and people however as display technology 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, being applied to the round display screen of electronic watch, and screen ratio is accounted in order to increase
Screen etc. comprehensively.This in this case, the profiled section pixel of display area is no longer able to arrange rectangular array, therefore each row
The quantity of pixel is also not necessarily identical, then driving 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, the display of irregular shaped region and non-profiled region
Brightness is also inconsistent, and therefore, the display homogeneity of special-shaped display panel is poor, and display effect is undesirable.
Summary 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 display area and with the display area phase
Adjacent non-display area；
The display area includes: the first viewing area and the second viewing area, and first viewing area is set to the display
The edge in region；First viewing area and second viewing area include multiple pixels of array arrangement, 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 further include: multi-strip scanning signal wire and a plurality of fixed electric potential signal positioned at the display area
Line；
The scan signal line and the different layer of fixed equipotential line are arranged, and in the direction tool perpendicular to the display panel
There is overlapping region, wherein the area of the overlapping region is greater than second viewing area either one or two of in first viewing area
The area of either one or two of interior overlapping region.
In one possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, described first is aobvious
Show that area includes at least: equal the first pixel column and the second pixel column, the pixel quantity of first pixel column be not small for pixel quantity
In the pixel quantity of second pixel column；
The area of the overlapping region of the corresponding scan signal line of first pixel column is greater than second picture
The area of the overlapping region of the corresponding scan signal line of plain row.
In one possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, first picture
The corresponding scan signal line of plain row is greater than described second in the width of the corresponding fixed signal line of the overlapping region
Width of the corresponding scan signal line of pixel column in the corresponding fixed signal line of the overlapping region.
In one possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the scanning letter
Number line includes: the first scan signal line, the second scan signal line and light emitting control scan signal line.
In one 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 one possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the pixel packet
It includes: Organic Light Emitting Diode, and for the multiple switch transistor for controlling the organic light-emitting diode that cooperates；
The switching transistor has overlapping region in the direction perpendicular to the display panel with the scan signal line；
Width of the scan signal line in the overlapping region is greater than the scan signal line except the overlapping region is with exterior domain
Width.
In one 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 and the source electrode phase of the second switch transistor of the driving 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, in the side perpendicular to the display panel
To with overlapping region.
In one possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, the pixel is also
It include: 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 one possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, described first is aobvious
At least partly edge for showing area is curl, fillet, chamfering or notch, and each pixel column of first viewing area extends to the song
Side, fillet, chamfering or notch.
In one possible implementation, in above-mentioned display panel provided in an embodiment of the present invention, described first is aobvious
Show that area includes notch or hollow-out parts, each pixel column of first viewing area extends to the notch or hollow-out parts.
In one 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 is sequentially increased along column direction；
The corresponding scan signal line of each pixel column the overlapping region area along the column direction according to
Secondary reduction.
In one 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 the corresponding fixed signal line of 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 display area and adjacent with display area non-
Display area, display area include: the first viewing area and the second viewing area, and the first viewing area is set to the edge of display area；
First viewing area and the second viewing area include multiple pixels of array arrangement, 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 further include: the multi-strip scanning signal positioned at display area
Line and a plurality of fixed electric potential signal line；Scan signal line and the fixed different layer of equipotential line are arranged, and in the side perpendicular to display panel
To with overlapping region, wherein the area of any one overlapping region in the first viewing area is greater than any in the second viewing area
The area of a overlapping region.By increasing each scan signal line and fixed current potential letter in the first less viewing area of pixel quantity
The area of overlapping region between number line, so that the load capacitance of each scan signal line in the first viewing area increases, to make
Load gap between each of first viewing area scan signal line and the scan signal line of the second viewing area, so as to improve display surface
The display homogeneity of plate promotes display effect.
Detailed description of the invention
Fig. 1 is one of the structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the first viewing area provided in an embodiment of the present invention；
Fig. 3 is the domain of pixel circuit provided in an embodiment of the present invention；
Fig. 4 is the circuit structure diagram of pixel circuit provided in an embodiment of the present invention；
Fig. 5 is the second structural representation of display panel provided in an embodiment of the present invention；
Fig. 6 is the third structural representation of display panel provided in an embodiment of the present invention；
Fig. 7 is the four of the structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 8 is the five of the structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 9 is the six of the structural schematic diagram of display panel provided in an embodiment of the present invention；
Figure 10 is the structural schematic diagram of display device provided in an embodiment of the present invention.
Specific 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.
To make the above purposes, features and advantages of the invention more obvious and understandable, below in conjunction with attached 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 appended drawing reference indicates same or similar knot in figure
Structure, thus repetition thereof will be omitted.The word of expression position and direction described in the present invention, is to be with attached drawing
The explanation that example carries out, but can also make a change as needed, done change is all contained in the scope of the present invention.The present invention
Attached drawing be only used for signal relative positional relationship do not represent actual proportions.
It should be noted that elaborating detail in the following description to fully understand the present invention.But this hair
Bright to be different from other way described herein 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 where culvert.Therefore the present invention is not limited by following public specific embodiment.Specification is subsequent to be retouched
It states to implement the better embodiment of the application, so the description is not being used for the purpose of the rule for illustrating the application
To limit scope of the present application.The protection scope of the application is as defined by the appended claims.
With reference to the accompanying drawing, 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, comprising: display area A and adjacent with display area
Non-display area B, in which:
Display area includes the A: the first viewing area A1 and the second viewing area A2, and the first viewing area A1 is set to display area A
Edge；First viewing area A1 and the second viewing area A2 includes multiple pixel ps of array arrangement, first each pixel of viewing area A1
Capable pixel quantity is respectively less than the pixel quantity of the second viewing area A2 any pixel row；
Display panel further include: multi-strip scanning signal wire 11 and a plurality of fixed electric potential signal line 12 positioned at display area；
Scan signal line 11 and the fixed different layer of equipotential line 12 setting, and there is crossover region in the direction perpendicular to display panel
Domain, wherein the area of any one overlapping region s1 of A1 is overlapping greater than either one or two of in the second viewing area A2 in the first viewing area
The area of region s2.
In practical applications, conventional display panel is rectangle, and the multiple pixels of setting are arranged in matrix in display panel, is shown
Show and gate driving circuit is set in the non-display area of panel two sides, the output ends at different levels of gate driving circuit are all connected with a scanning
Signal wire provides scanning signal for each row pixel, in conventional display panel, the picture of a line that every scanning signal is connected
Prime number amount is equal.During actual fabrication, scan signal line is understood across the non-open region of one-row pixels, therefore scanning signal
The resistance of line itself, and in pixel between such as transistor element resistance and capacitor can all become 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, this will result in the picture that pixel column is included
The unequal situation of prime number amount, the load for connecting the scan signal line of every row pixel at this time can have because pixel quantity is unequal
Institute's difference has thereby resulted in aobvious then being input between the signal in each row pixel when loading identical signal there is also difference
Show uneven problem.
In view of this, being the first viewing area A1 by display 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 every row pixel is included, i.e. the load of each scan signal line in the first viewing area in the second viewing area less than sweeping
Retouch the load of signal wire.Now increase each scan signal line 11 in the first viewing area and fixes electric potential signal line 12 perpendicular to display
The area of overlapping region s1 on panel direction makes the area of any overlapping region s1 in the first viewing area be all larger than the second display
Thus the area of overlapping region s2 in area increases the parasitism in the first viewing area between scan signal line 11 and fixed equipotential line 12
Capacitor, so that the load for connecting the less scan signal line of pixel quantity increases, the load gap between compensated scanning signal wire,
Improve the uneven problem of the display of display panel, promotes display effect.
Optionally, the less scan signal line of connection pixel quantity can be for the corresponding fixed electricity of each pixel of connection
Increase the area of overlapping region between the signal wire of position, it can also be for the corresponding fixed electric potential signal line of partial pixel of connection
Between increase overlapping region area, it is not limited here.For the load gap reduced between scan signal line, can be negative
It carries lesser scan signal line additional designs compensating unit (such as capacitor or resistance) to connect with scan signal line, but can sacrifice in this way
The display area of pixel is arranged above-mentioned compensating unit is arranged in a part of script.And in above-mentioned display provided in an embodiment of the present invention
Panel, by the area for increasing the overlapping region between the less scan signal line of connection pixel quantity and fixed electric potential signal line
To compensate the load of these scan signal lines, the space in pixel openings area is neither occupied in this way；Do not need yet for
The component of scan signal line additional designs load compensation, so as to save this segment space design pixel for showing have
Conducive to the design for the area and narrow frame for increasing display area.
It further, include the different scan signal line of pixel quantity for pixel column, the size of load compensation also has
Institute is different.As shown in Fig. 2, the first viewing area A1 is included at least: the first pixel column La and the second pixel column that pixel quantity does not wait
Pixel quantity of the pixel quantity of Lb, the first pixel column La less than the second pixel column Lb；The corresponding scanning letter of first pixel column La
The area of the overlapping region s1a of number line is greater than the area of the overlapping region s1b of the corresponding scan signal line of the second pixel column Lb.
As described above, the load that the pixel quantity difference that scan signal line is connected will cause scan signal line is 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 the first not equal pixel column La of above-mentioned pixel quantity and
Pixel quantity of the pixel quantity less than the second pixel column Lb of second pixel column Lb, the first pixel column La, therefore connect the first picture
The load of the scan signal line of plain row La is less than the load of the scan signal line of the second pixel column Lb of connection, then needs to connection the
The load of the scan signal line of one pixel column La compensates, and in embodiments of the present invention, the first pixel column La of setting is corresponding
The area of the overlapping region s1a of scan signal line is greater than the overlapping region s1b's of the corresponding scan signal line of the second pixel column Lb
Area, to compensate its load, reduces two it is possible thereby to increase the parasitic capacitance of the scan signal line of the first pixel column La of connection
Load gap between scan signal line.
Scan signal line 11 is located at different metal layers from fixed electric potential signal line 12, and has insulating layer between the two,
When the two perpendicular to display panel mode have overlapping region when, then can generate parasitic capacitance, this partition capacitance can conduct
The load of scan signal line itself.The corresponding scan signal line of the extremely overlapping region of the two of parasitic capacitance and fixed signal line, because
The area of the overlapping region of both this is bigger, and capacitor is bigger.It 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, the first pixel column La is corresponding
Scan signal line is greater than the corresponding scanning letter of the second pixel column Lb in the width wa of the corresponding fixed signal line 12 of overlapping region s1a
The width wb of number line in the corresponding fixed signal line 12 of overlapping region s1b.In addition to this, compared in the end of scan signal line
The mode that capacitor or resistance is arranged increases the load of scan signal line, and the embodiment of the present invention is had with scan signal line using increasing
The mode of the line width of the fixed signal line of overlapping region increases the load of scan signal line, will have with scan signal line in production
There is the line width of the corresponding position of the fixed signal line of overlapping region to widen, does not occupy the display of setting compensation load additionally
The position in region.
In the specific implementation, in above-mentioned display panel applications provided in an embodiment of the present invention when OLED display panel, such as
OLED pixel domain shown in Fig. 3, scan signal line 11 generally comprise: the first scan signal line S1, the second scan signal line S2
With light emitting control scan signal line EMIT.Fixed electric potential signal line 12 is general can 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 same layer setting, using primary
Patterning processes are formed, and power supply voltage signal line PVDD and the different layer of scan signal line are arranged, scan signal line and power supply voltage signal
There is insulating layer 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 vertical direction setting, 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
There is overlapping region perpendicular to display panel direction in scan signal line EMIT and power supply voltage signal line PVDD, therefore, when
When increasing the line width of power supply voltage signal line PVDD, 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 practical applications, the pixel of display panel shines under the control of pixel circuit, provides in the embodiment of the present invention
Above-mentioned display panel applications when OLED display panel, pixel includes: Organic Light Emitting Diode OLED, and be used for phase interworking
Close the multiple switch transistor of control organic light-emitting diode；The schematic diagram of its pixel circuit 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) and scan signal line (S1, S2, EMIT) exist
There is overlapping region perpendicular to the direction of display panel.In order to further increase the load of scan signal line, settable scanning letter
The width of number line in overlapping region is greater than scan signal line except overlapping region is with the width of exterior domain.Since scan signal line is logical
Often it is arranged with the grid same layer of above-mentioned each switching transistor, therefore, with switching transistor there is the scanning of overlapping region part to believe
The same layer metal of number line is used to form the grid of switching transistor, and the length-width ratio of the channel region of switching transistor by with grid
Line width it is related, the performance in order to guarantee switching transistor is unaffected, by scan signal line in the weight with each switching transistor
The line width in folded region is fixed to be become, and reduces scan signal line in the line width of Non-overlapping Domain, to increase scan signal line
Resistance is further compensate for the load of scan signal line, reduces the load gap between scan signal line.
As shown in Figure 3 and Figure 4, switching transistor can include: first switch transistor M1, initialization transistor M2, second
Switching transistor M3 and driving transistor DTFT；
The grid of initialization transistor M2 is connected with the first scan signal line S1；The grid of first switch transistor M1 and
Two scan signal line S2 are connected；The grid of second switch transistor M3 is connected with light emitting control scan signal line EMIT；Driving is brilliant
The grid of body pipe DTFT is connected with the drain electrode of initialization transistor M2；Drive the source electrode and first switch transistor of transistor DTFT
The drain electrode of M1 is connected, and the drain electrode of driving transistor DTFT is connected with the source electrode of second switch transistor M3；Organic Light Emitting Diode
OLED is connected with the drain electrode of driving transistor DTFT.
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 and second switch transistor M3 are in the side perpendicular to display panel
To with overlapping region.It, can by the first scan signal line S1 of reduction in the width with initialization transistor M2 Non-overlapping Domain
To increase the load resistance of the first scan signal line S1；By reduce the second scan signal line S2 with first switch transistor M1
The width of Non-overlapping Domain can increase the load resistance of the second scan signal line S2；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 Domain
Carry resistance；It include the less corresponding first scan signal line S1 of pixel column of pixel quantity, the second scanning letter so as to increase
It is more to reduce pixel quantity less pixel column and pixel quantity for the load of number line S2 and light emitting control scan signal line EMIT
The corresponding scan signal line of pixel column between load gap.
Specifically, the source electrode of above-mentioned initialization transistor M2 is generally connected with reference signal line VREF, for sweeping first
When retouching in the conductive state under the control of signal wire S1, using the reference potential of reference signal line VREF to driving transistor DTFT
Grid initialization；The source electrode of above-mentioned first switch transistor M1 is generally connected with data signal line VDATA, for sweeping second
When retouching in the conductive state under the control of signal wire S2, by the data-signal write driver transistor of data signal line VDATA
The source electrode of DTFT；The source electrode of above-mentioned second switch transistor M2 is generally connected with power supply voltage signal line PVDD, for shining
When in the conductive state under the control of control line EMIT, the power supply signal write driver that power supply voltage signal line PVDD is provided is brilliant
The source electrode of body pipe DTFT.
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
It includes: storage capacitance C；The first pole d1 of storage capacitance C is connected with power supply voltage signal line PVDD, the second pole d2 of storage capacitance C
It is connected with the grid of driving transistor DTFT.Storage capacitance C is used for the grid voltage of storage driving transistor DTFT.
Optionally, in above-mentioned display panel provided in an embodiment of the present invention, as shown in Figure 3 and Figure 4, pixel generally may be used also
To include: compensation transistor M4；The grid of compensation transistor M4 is connected with the second scan signal line S2, source electrode and driving transistor
The grid of DTFT is connected, and drains and is connected with the drain electrode of driving transistor DTFT.Transistor M4 is compensated in the second scan signal line S2
Control under it is in the conductive state when, will drive transistor DTFT drain electrode and gate turn-on.I.e. in the second scan signal line S2
When first switch transistor M1 is connected, compensation transistor M4 is also on state, the data letter of data signal line VDATA load
It number is loaded onto the source electrode of driving transistor DTFT by the first switch transistor M1 be connected, and drives the source electrode of transistor DTFT
It is Vdata- with grid voltage | Vth |, i.e., the threshold voltage of transistor DTFT will be driven to compensate in data write phase to grid,
Light emitting phase is input in the driving current of Organic Light Emitting Diode OLED from driving transistor DTFT after can eliminating | Vth |
Influence, i.e. elimination drive transistor threshold voltage drift makes organic electroluminescent display panel have threshold luminous influence
Threshold voltage compensation function.
Optionally, in above-mentioned display panel provided in an embodiment of the present invention, as shown in Figure 3 and Figure 4, pixel generally may be used also
To include: light emitting control transistor M5；The grid of light emitting control transistor M5 is connected with light emitting control line EMIT, source electrode and driving
The drain electrode of transistor DTFT 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 conductive state under the control of line EMIT, the drain electrode of transistor DTFT will be driven to be connected with Organic Light Emitting Diode OLED.
That is light emitting control transistor M5 is in off state in initial phase and data write phase, can be to avoid in two this ranks
Section has driving current driving to shine.
Optionally, in above-mentioned display panel provided in an embodiment of the present invention, as shown in Figure 3 and Figure 4, pixel generally may be used also
To include: anode reset transistor M6；The grid of anode reset transistor M6 is connected with the first scan signal line S1, source electrode and ginseng
It examines 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 conductive state under the control of line S1, Organic Light Emitting Diode OLED is connected with reference signal line VREF.I.e. first
When initialization transistor M2 is connected in scan signal line S1, anode reset transistor M6 is also on state, reference signal line
VREF is by initialization transistor M2 and anode reset transistor M6 respectively to the grid and organic light emission of driving transistor DTFT
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 practical applications, the pixel quantity of the pixel column in the first viewing area A1 can be with the picture of the second viewing area A2
The pixel quantity of plain row differs.
For example, at least partly 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 upper edge of the first viewing area A1 is curl, each pixel column of the first viewing area A1 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
At least partly edge for showing area A1, as the edge of edge can fillet；Alternatively, as shown in Figure 7 is provided in an embodiment of the present invention
Another display panel structure schematic diagram, the corner of display panel can also be chamfering or notch.As shown in Figure 6 and Figure 7, first is aobvious
Show that each pixel column of area A1 all extends to above-mentioned fillet, chamfering or incision.There is likely to be others in practical 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 schematic diagram, the first viewing area A1 may also include that notch or hollow-out parts 13, and each pixel column in the first viewing area A1 extends to
Notch or hollow-out parts 13.Notch or hollow-out parts 13 can be located at the middle position of the first viewing area A1, as shown in Figure 8；It can also position
In the marginal position of the first viewing area A1, as shown in Figure 9.By taking structure shown in Fig. 8 as an example, above-mentioned notch or hollow-out parts 13 can
It is two sub-districts that first viewing area A1, which is divided to, the two sub-districts are located at the two sides of hollow-out parts 13, 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
The elements such as some elements, such as camera, loudspeaker with other functions are arranged in the hollow-out parts 13.The embodiment of the present invention
Only it is illustrated so that the first viewing area A1 is located at the top of the second viewing area A2 as an example, in practical applications, the first viewing area A1
It is also possible to that touch control component etc. then can also be arranged in the position of hollow-out parts 13, do not do herein positioned at the bottom of the second viewing area A2
It limits.
The special-shaped edge as included by the first viewing area A1 makes the quantity of each pixel column in the first viewing area A1 not phase
Together, therefore the load of the scan signal line of each pixel column of connection is there is also difference, this, which will lead to, connect the scanning of each pixel column and believe
The delay of number line is different, and it is uneven to eventually lead to display brightness.As shown in Figure 5-Figure 7, provided in an embodiment of the present invention above-mentioned
In display panel, the pixel quantity of each pixel column is along column direction (as shown in Figure 5-Figure 8, along vertical in the first viewing area A1
Downwardly direction) it is sequentially increased；Therefore, the load for connecting the scan signal line of each pixel column successively increases also along above-mentioned column direction
Greatly, then can be set the corresponding scan signal line of each pixel column with the area of fixed signal line overlapping region s along column side
To being sequentially reduced.To make to connect the increased degree of load of the less corresponding scan signal line of pixel column of pixel quantity compared with
Greatly, make the increased degree of load for connecting the more corresponding scan signal line of pixel column of pixel quantity smaller, to balance
The load difference of each scan signal line reduces the delay between each scan signal line, and the brightness for improving the first viewing area A1 is equal
Evenness.
As set forth above, it is possible to increase scan signal line by way of increasing line width and fix the overlapping of electric potential signal line
The area in region.It specifically, can be by each scan signal line 11 in the first viewing area A1 of setting in the corresponding fixation of overlapping region s
The width of signal wire 12 is sequentially reduced along above-mentioned column direction (vertically downward direction), is believed so that scanning along column direction
The area of the overlapping region of number line is gradually reduced.
Based on the 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 devices such as display, OLED TV, can also for mobile phone, tablet computer, notebook, smartwatch,
The mobile devices such as Intelligent bracelet, VR/AR glasses.It as shown in Figure 10, is hand for above-mentioned display device provided in an embodiment of the present invention
Top view when machine, wherein the structure of any of the above-described display panel can be used in display screen 100, it is not limited here.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, and overlaps will not be repeated.
Display panel provided in an embodiment of the present invention and display device, including display area and adjacent with display area non-
Display area, display area include: the first viewing area and the second viewing area, and the first viewing area is set to the edge of display area；
First viewing area and the second viewing area include multiple pixels of array arrangement, 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 further include: the multi-strip scanning signal positioned at display area
Line and a plurality of fixed electric potential signal line；Scan signal line and the fixed different layer of equipotential line are arranged, and in the side perpendicular to display panel
To with overlapping region, wherein the area of any one overlapping region in the first viewing area is greater than any in the second viewing area
The area of a overlapping region.By increasing each scan signal line and fixed current potential letter in the first less viewing area of pixel quantity
The area of overlapping region between number line, so that the load capacitance of each scan signal line in the first viewing area increases, to make
Load gap between each of first viewing area scan signal line and the scan signal line of the second viewing area, so as to improve display surface
The display homogeneity of plate promotes display effect.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (13)
1. a kind of display panel, including display area and the non-display area adjacent with the display area, it is characterised in that:
The display area includes: the first viewing area and the second viewing area, and first viewing area is set to the display area
Edge；First viewing area and second viewing area include multiple pixels of array arrangement, first 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 further include: multi-strip scanning signal wire and a plurality of fixed electric potential signal line positioned at the display area；
The scan signal line and the different layer of fixed electric potential signal line are arranged, and in the direction tool perpendicular to the display panel
There is overlapping region, wherein the area of the overlapping region is greater than second viewing area either one or two of in first viewing area
The area of either one or two of interior overlapping region.
2. display panel as described in claim 1, which is characterized in that first viewing area includes 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 number of second pixel column
Amount；
The area of the overlapping region of the corresponding scan signal line of first pixel column is greater than second pixel column
The area of the overlapping region of the corresponding scan signal line.
3. display panel as claimed in claim 2, which is characterized in that the corresponding scan signal line of first pixel column
It is greater than the corresponding scanning of second pixel column in the width of the corresponding fixed electric potential signal line of the overlapping region
Width of the signal wire in the corresponding fixed electric potential signal line of the overlapping region.
4. display panel as described in any one of claims 1-3, which is characterized in that the scan signal line includes: first to sweep
Retouch signal wire, the second scan signal line and light emitting control scan signal line.
5. display panel as claimed in claim 4, which is characterized in that the fixed electric potential signal line includes: supply voltage letter
Number line.
6. display panel as claimed in claim 5, which is characterized in that the pixel includes: Organic Light Emitting Diode, Yi Jiyong
In the multiple switch transistor for controlling the organic light-emitting diode that cooperates；
The switching transistor has overlapping region in the direction perpendicular to the display panel with the scan signal line；It is described
Width of the scan signal line in the overlapping region is greater 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, which is characterized in that the switching transistor include: 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 and described the of the driving transistor
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
Organic Light Emitting Diode is stated to be 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 crystal
Pipe, the light emitting control scan signal line and the second switch transistor, in the direction tool perpendicular to the display panel
There is overlapping region.
8. display panel as claimed in claim 7, which is characterized in that the pixel further include: storage capacitance；The storage electricity
The first pole held is connected with the power supply voltage signal line, the grid of the second pole of the storage capacitance and the driving transistor
It is connected.
9. display panel as described in claim 1, which is characterized in that at least partly edge of first viewing area is song
Each pixel column of side, fillet, chamfering or notch, first viewing area extends to the curl, fillet, chamfering or notch.
10. display panel as described in claim 1, which is characterized in that first viewing area includes notch or hollow-out parts, institute
Each pixel column for stating the first viewing area extends to the notch or hollow-out parts.
11. the display panel as described in claim 9 or 10, which is characterized in that each pixel column in first viewing area
Pixel quantity be sequentially increased along column direction；
The corresponding scan signal line of each pixel column successively subtracts in the area of the overlapping region along the column direction
It is small.
12. display panel as claimed in claim 11, which is characterized in that each scan signal line is in the overlapping region pair
The width for the fixation electric potential signal line answered is sequentially reduced along the column direction.
13. a kind of display device, which is characterized in that including such as described in any item display panels of claim 1-12.
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| CN201711094952.4A CN107749247B (en) | 2017-11-03 | 2017-11-03 | Display panel and display device |
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| CN201711094952.4A CN107749247B (en) | 2017-11-03 | 2017-11-03 | Display panel and display device |
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