CN110264893A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN110264893A CN110264893A CN201910526279.XA CN201910526279A CN110264893A CN 110264893 A CN110264893 A CN 110264893A CN 201910526279 A CN201910526279 A CN 201910526279A CN 110264893 A CN110264893 A CN 110264893A
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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
- G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
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Abstract
The invention discloses a display panel and a display device, wherein the display panel comprises: the display panel comprises a first display area and a second display area which are sequentially arranged along a first direction, wherein the width of the first display area is smaller, a first routing of the first display area comprises a first grid line extending along the first direction and a first fanout line connected with the first grid line, and a second routing of the second display area comprises a second grid line formed by extending the first grid line to the second display area along the first direction and a second fanout line connected with the second grid line; the first grid line and the second grid line are disconnected at the junction position of the first display area and the second display area; the first wire and the second wire are different in form and/or the overlapping areas of the first grid line and the second grid line with other conductive film layers are different, so that the difference between the absolute values of the optimal common voltages of the first display area and the second display area is smaller than or equal to 400mV, the problem of uniformity at the junction of the two display areas is reduced, and the display effect of the display panel 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
Increasingly mature and perfect with intelligent vehicle application technology, the demand to vehicle-carrying display screen is also more and more various
Change.
Currently, vehicle-carrying display screen is broadly divided into instrument display screen (Cluster), middle control display screen (CID, Center
Information Display), rear seat entertainment display screen (RSE, Rear Seat Entertainment) etc., wherein
Cluster and CID is preceding loading display screen, and for Cluster for showing various information, CID is used for audio, navigator, air-conditioning control
The information such as system are shown.
With being widely used for vehicle-mounted large-size screen monitors, car manufactures require Cluster and CID being combined in one piece vehicle-mounted large-size screen monitors
In shown respectively.In order to meet the needs of car manufactures, one piece of display screen is usually divided into two parts and is divided
It does not show, but in display, when the size of two split screens (being divided two parts display area of display) in display screen
And when resolution ratio difference, homogeneity Mura risk easily occurs two split screen junctions.
In consideration of it, how to prevent the split screen that size and resolution ratio are different in same display screen, occur in split screen junction equal
One property Mura risk, becomes a technical problem urgently to be resolved.
Summary of the invention
The embodiment of the present invention provides a kind of display panel and display device, existing in the prior art same aobvious to solve
In display screen, the problem of homogeneity risk easily occurs for double screen junction.
In a first aspect, in order to solve the above technical problems, the embodiment of the present invention provides a kind of display panel, the display panel edge
First direction is successively placed with the first display area and the second display area, and the display panel includes:
Multiple first driving circuits and multiple second driving circuits are separately positioned on described in said first direction
Side of one display area far from second display area, second display area far from first display area one
Side；
First display area has the first cabling, and second display area has the second cabling, and described first walks
Line includes the first grid line extended in a first direction and the first fan-out line being attached thereto, and second cabling includes described first
Grid line extends to the second grid line that second display area is formed along the first direction, and second be attached thereto is fanned out to
Line；In said first direction, the width of first display area is less than the width of second display area；
In the position that first display area and second display area have a common boundary, first grid line and described second
Grid line is to disconnect；
The form difference and/or first grid line, second grid line point of first cabling and second cabling
It is not different from the overlapping area of other conductive film layers, make the best common voltage Vcom1 and described the of first display area
The difference of the best common voltage Vcom2 absolute value of two display areas is less than or equal to 400mV.
Second aspect, the embodiment of the present invention provide a kind of display panel, and the first viewing area is successively placed with along first direction
Domain and the second display area, the display panel include:
Multiple first driving circuits and multiple second driving circuits are separately positioned on described in said first direction
Side of one display area far from second display area, second display area far from first display area one
Side；
First display area has the first cabling, and second display area has the second cabling, and described first walks
Line includes the first grid line extended in a first direction and the first fan-out line being attached thereto, and second cabling includes described first
Grid line extends to the second grid line that second display area is formed along the first direction, and second be attached thereto is fanned out to
Line；In said first direction, the width of first display area is less than the width of second display area；
In the position that first display area and second display area have a common boundary, first grid line and described second
Grid line is to disconnect；
The public electrode for covering first display area and second display area, in first display area and
The position that second display area has a common boundary is to disconnect；In the public electrode, positioned at the portion of first display area
It is divided into the first sub- public electrode, the part positioned at second display area is the second sub- public electrode；
It loads the best common voltage Vcom1 on the described first sub- public electrode and loads in the described second sub- common electrical
The value range of the difference of best common voltage Vcom2 on extremely is -300mV~0mV.
The third aspect, the embodiment of the present invention provide a kind of display device, which includes first aspect or second party
The display panel in face.
The present invention has the beneficial effect that:
In embodiment provided by the invention, display panel is placed with the first display area and the second display along first direction
Region forms second gate into the second display area B by extending in a first direction the first grid line in the first display area
Line, and the position having a common boundary in the first display area and the second display area, allow the first grid line and the second grid line to disconnect, with setting
Multiple first driving circuits in the first display area side drive the first grid line of the first display area, are existed with setting
Multiple second driving circuits of second display area side drive the second grid line of the second display area, make display panel
The first display area and the second display area can split screen display available, due in display panel, including the first grid line and first
First cabling of fan-out line, and/or the first grid different from the form of the second cabling including the second grid line and the second fan-out line
Line, the second grid line are different from the overlapping area of other conductive film layers respectively, make the best common voltage Vcom1 of the first display area
And the difference of the best common voltage Vcom2 absolute value of the second display area be less than or equal to 400mV, so as to effectively reduce by
There is display homogeneity and signal in intersection due to resolution ratio, the difference of size in the first display area and the second display area
Abnormal problem, and then improve the display effect of display panel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is another structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of best common voltage Vcom provided in an embodiment of the present invention；
Fig. 4 is the first display area A and the second display area B of display panel provided in an embodiment of the present invention in intersection
Part plan structure chart；
Fig. 5 is the first display area A and the second display area B of display panel provided in an embodiment of the present invention in fan-out line
The part plan structure chart of position；
Fig. 6 is the part plan structure chart one of part shown in dotted line frame in Fig. 5 provided in an embodiment of the present invention；
Fig. 7 is the part plan structure chart two of part shown in dotted line frame in Fig. 5 provided in an embodiment of the present invention；
Fig. 8 is the part plan structure chart three of part shown in dotted line frame in Fig. 5 provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of public electrode in dashed region in Fig. 5 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, existing in the prior art same aobvious to solve
In display screen, the problem of homogeneity risk easily occurs for double screen junction.
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.
Before introducing the scheme of the application, one simple introduction first is done for the design of vehicle-mounted large-size screen monitors to inventor,
More accurately to understand embodiment provided by the present application.
With the development of vehicle mounted intelligentized, different functions is imparted to Cluster and CID, it is aobvious that this needs them
The content shown is also different, also different to screen size, the demand of resolution ratio accordingly.Currently, since automotive system is to vehicle-mounted
When screen realizes driving display, the frequency that the driving interface used is supported is only capable of supporting lesser screen, so that not being available
Existing onboard system drives vehicle-mounted large-size screen monitors, and the development cost of new onboard system is high, the development cycle is long, the raw factory of automobile
Quotient is after considering cost, time and product trend, it is desirable to continue with existing onboard system to (the same display of vehicle-mounted large-size screen monitors
In screen) Cluster and CID respectively driven.For this demand for meeting car manufactures, inventor is in vehicle-mounted large-size screen monitors
The junction in the region Cluster and the region CID disconnects design using Gate line or Vcom, allows existing onboard system pair
The region Cluster and the region CID carry out driving respectively and show.
In addition, due to the corresponding screen size of Cluster and CID and resolution ratio difference, so that their corresponding screens are deposited
It is different in the load (RC loading) of resistance capacitance, and then keep the corresponding picture homogeneity of Cluster and CID poor, double
Mura risk easily occurs for screen junction.
In view of this, the embodiment of the present application be realize to drive the split screens of vehicle-mounted large-size screen monitors, and solve gap show it is bad
The problem of and a kind of display panel is provided, as shown in Figure 1.
It referring to Figure 1, is the structural schematic diagram of display panel provided in an embodiment of the present invention, the display panel is along first party
Successively be placed with to X the first display area A (in Fig. 1 with oblique line cover region show) and the second display area B (in Fig. 1 with
The region of grid line covering is shown), which includes:
In a first direction on X, it is aobvious to be separately positioned on first for multiple first driving circuits 10 and multiple second driving circuits 20
Show side of the region A far from the second display area B, side of the second display area B far from the first display area A.It needs to illustrate
, the first driving circuit 10 and the second driving circuit 20 can be driving chip, be also possible to gate driving circuit etc., here
Without limitation, only with first driving circuit 10 and the signal of second driving circuit 20 in Fig. 1, be also possible to two or
It is multiple, here without limitation.
It should be noted that the first display area A and the second display area B constitute the complete viewing area of display panel together
Domain.Display panel is also possible to shield for abnormity, refers to another structure that Fig. 2 is display panel provided in an embodiment of the present invention and shows
It is intended to, when display panel is abnormity screen, the first display area A and the second display area B are as shown in Figure 2.
First display area A has the first cabling 11, and the second display area has the second cabling 21, and the first cabling 11 includes
The first grid line 111 extended in a first direction and the first fan-out line 112 being attached thereto, the second cabling 21 include the first grid line
111 extend to the second grid line 211 of the second display area B formation, and the second fan-out line 212 being attached thereto along first direction X；
In a first direction on X, the width H of the first display area A1Less than the width H of the second display area B2.In fig. 1 and 2 with
One grid line 111, the second grid line 211 intersection are data line, and data line is connect with data drive circuit 40, the first display area A
In each pixel intersected by the first grid line 111 with data line and limit, by controlling transistor (the Thin Film being attached thereto
Transistor, TFT) on or off, so that corresponding pixel is shown or is not shown, each pixel in the second display area B is by the
Two grid lines 211 intersect restriction with data line.
It should be noted that data drive circuit 40 can be driving chip, only driven in fig. 1 and 2 with a data
Dynamic circuit 40 is illustrated, and is also possible to two or more, here without limitation.
In the position that the first display area A and the second display area B has a common boundary, the first grid line 111 and the second grid line 211 are disconnected
It opens.Same display panel can be made to carry out split screen display available, split screen driving in this way.
The form of first cabling 11 and the second cabling 21 is different and/or the first grid line 111, the second grid line 211 respectively with its
The overlapping area of its conductive film layer is different, makes the best common voltage Vcom1's and the second display area B of the first display area A
The difference of best common voltage Vcom2 absolute value is less than or equal to 400mV.
In display panel, best common voltage Vcom is common voltage value when positive-negative polarity liquid crystal voltage is consistent, is led to
Often measured by experiment.Fig. 3 is referred to, is the schematic diagram of common voltage Vcom provided in an embodiment of the present invention, the V in Fig. 3data
Represent data voltage, VgateRepresent gate line voltages, Vpixel+Voltage after representing pixel electrode charging, Vpixel-Represent pixel electrode
Voltage after electric discharge, Vlc+The polarity that is positive liquid crystal voltage, Vlc-The polarity that is negative liquid crystal voltage.Vlc+=Vpixel+- Vcom, Vlc-=
Vcom-Vpixel-.When adjustment Vcom makes Vlc+=Vlc-When, corresponding Vcom value is referred to as best common voltage Vcom.
In embodiment provided by the invention, determine that the best common voltage Vcom1 of the first display area A can pass through pass
It is adjusted to obtain after closing the second display area, similarly the best common voltage Vcom2 of the second display area A can pass through closing
Be adjusted to obtain behind first display area, the final best common voltage Vcom of display panel can for Vcom1~Vcom2 it
Between any value, but should meet | Vcom1-Vcom2 |≤400mV.It can effectively prevent the first display area A and second in this way
There is homogeneity problem in the boundary display area B, to improve display effect.
It is to be appreciated that the first cabling 11, the second cabling 21 are shown in a linear fashion in fig. 1 and 2, in reality
The first cabling 11, the second cabling 21 may not be straight line in.First cabling 11, the second cabling 21 form refer to cabling
Width or length.
In embodiment provided by the invention, display panel is placed with the first display area A and second along first direction X and shows
Show region B, by the way that the first grid line 111 in the first display area A is extended to shape in the second display area B along first direction X
At the second grid line 211, and in the position that the first display area A and the second display area B have a common boundary, the first grid line 111 and the are allowed
Two grid lines 211 disconnect, with multiple first driving circuits of the first display area side A are arranged in the first of the first display area
Grid line 111 is driven, with multiple second driving circuits of the second display area side B are arranged in the of the second display area
Two grid lines 211 are driven, and display panel is enable to show in the first display area A and the driving of the second display area B split screen, split screen
Show, and includes second gate due in display panel, allowing the first cabling 11 including the first grid line 111 and the first fan-out line 112
The form difference of line 211 and the second cabling 21 of the second fan-out line 212 changes the first display area A, the second display area B
Resistance sizes increase the RCloading of the first display area A on the basis of the original to reduce its feed-trough voltage (Feed
Through), the voltage for the pixel electrode that can be allowed in this way in the first display area A increases；Or, making the RC of the second display area B
Loading reduces the pixel that can be allowed in this way in the second display area B to increase its Feedthrough on the basis of the original
The voltage of electrode reduces, and finally makes the best public affairs of the best common voltage Vcom1 and the second display area B of the first display area A
The difference of common voltage Vcom2 absolute value is less than or equal to 400mV, so as to effectively reduce due to the first display area A and second
At grid line open position, there is homogeneity problem, and then improve display surface due to resolution ratio, the difference of size in display area B
The display effect of plate, it should be noted that RC loading and the second viewing area of the first display area A can also be adjusted simultaneously
The RCloading of domain B, realization reduce the Feed through of the first display area A, the second display area B's
Feedthrough increases, and improves display panel in the mura problem of grid line gap, improves the display effect of display panel.
And/or in display panel, make the first grid line 111, the second grid line 211 overlapping with other conductive film layers respectively
Area difference changes the capacitance size of the first display area A, the second display area B, makes the RC of the first display area A
Loading increases the pixel that can be allowed in this way in the first display area A to reduce its Feedthrough on the basis of the original
The voltage of electrode increases；And/or reduce the RC loading of the second display area B on the basis of the original to increase it
The voltage of Feedthrough, the pixel electrode that can be allowed in the second display area B in this way reduce, and finally make the first display area A
Best common voltage Vcom1 and the second display area B best common voltage Vcom2 absolute value difference be less than or equal to 400mV,
Since when the difference of Vcom1 and the absolute value of Vcom2 is less than 400mV, human eye would not observe that the first display area A and second is aobvious
Show that region B has homogeneity in grid line gap, so above scheme can be reduced effectively due to the first display area A
With the second display area B due to resolution ratio, the difference of size at grid line open position, there is homogeneity problem, and then improve
The display effect of display panel.
It should be noted that can be come by individually changing the form of the first grid line 111 or the form of the second grid line 211
The resistance sizes for changing the first display area A or the second display area B, can also change simultaneously the first grid line 111 form and
The form of second grid line 211 changes the resistance of the first display area A and the second display area B, as long as finally making the first viewing area
The difference of the best common voltage Vcom2 absolute value of the best common voltage Vcom1 and the second display area B of domain A is less than or equal to
400mV.Therefore specifically the form of the first grid line 111 or the second grid line 211 is individually changed, still change simultaneously,
It is not limited here.
Likewise, the overlapping area of the first grid line 111 and other conductive film layers can be changed individually to change the first display
The overlapping area of the capacitance size of region A or the second grid line 211 and other conductive film layers changes the electricity of the second display area B
Hold size；The first grid line 111 and the overlapping area of other conductive film layers and the second grid line 211 and its can also be changed simultaneously
The overlapping area of its conductive film layer, to change the capacitance size of the first display area A and the second display area B, as long as finally making
The difference of the best common voltage Vcom2 absolute value of the best common voltage Vcom1 and the second display area B of first display area A
Less than or equal to 400mV.Therefore specifically the first grid line 111 or the second grid line 211 are overlapped with other conductive film layers respectively
Area is individually changed, and is still changed respectively, it is not limited here.
In embodiment provided by the invention, pass through the first cabling 11 and the form difference of the second cabling 21 and/or first
Grid line 111, the second grid line 211 are different from the overlapping area of other conductive film layers respectively, make that the first display area A's is best public
The difference of the best common voltage Vcom2 absolute value of voltage Vcom1 and the second display area B be less than or equal to 400mV, can use with
Under several schemes realize:
Fig. 4 is referred to, is the first display area A and the second display area B of display panel provided in an embodiment of the present invention
In the part plan structure chart of intersection.
The first scheme: the width W of the first grid line 1111Less than the width W of the second grid line 2112。
Optionally, the width W of the first grid line 1111Value range are as follows:
Wherein, H1、H2The respectively width of the width of the first display area A, the second display area B, W1、W2Respectively
The width of one grid line 111, the second grid line 211.
Although it should be noted that illustrating only part in the first display area A and the second viewing area B in Fig. 4
The width of one grid line 111, the second grid line 211, but can actually be first in entire first display area A, the second viewing area B
Grid line 111, the second grid line 211 width be all to be configured according to illustrated in Fig. 4, can also be in two viewing areas portion
Divide and carry out grid line setting of different size, it is not limited here.
In embodiment provided by the invention, by by the width W of the first grid line 1111It is set smaller than the second grid line 211
Width W2, the ohmic load in the first display area A can be made to be improved, make the RC loading of the first display area A
Increase on the basis of the original to reduce its feed-trough voltage Feedthrough, to make the first display area A and the second viewing area
Domain B can allow the first display the signal delay of intersection is identical or close, Feed through is identical or close to identical in this way
The voltage of pixel electrode in the A of region increases, and finally makes the display of best common voltage Vcom1 and second of the first display area A
The difference of the best common voltage Vcom2 absolute value of region B is less than or equal to 400mV, realizes effective reduce due to the first viewing area
There is homogeneity problem because of resolution ratio, the difference of size at grid line open position in domain A and the second display area B, improves aobvious
Show the display effect of panel.
Fig. 5 is referred to, is the first display area A and the second display area B of display panel provided in an embodiment of the present invention
In the part plan structure chart for being fanned out to line position.
Second scheme: the length L of the first fan-out line 1121Greater than the length L of the second fan-out line 2122。
Optionally, the value range of the length of the first fan-out line are as follows:
L2<L1<1.2L2H2/H1；
Wherein, H1、H2The respectively width of the width of the first display area A, the second display area B, L1、L2Respectively
The length of one fan-out line 112, the second fan-out line 212.
The third scheme: the width W of the first fan-out line 1123Less than the width W of the second fan-out line 2124。
Optionally, the width W of the first fan-out line 1123Value range are as follows:
Wherein, H1、H2The respectively width of the width of the first display area A, the second display area B, W3、W4Respectively
The width of one fan-out line 112, the second fan-out line 212.
In embodiment provided by the invention, by by the length L of the first fan-out line 1121Greater than the second fan-out line 212
Length L2, and/or by the width W of the first fan-out line 1123It is set smaller than the width W of the second fan-out line 2124, first can be made
Ohmic load in the A of display area is improved, increase the RC loading of the first display area A on the basis of the original with
Reduce its feed-trough voltage Feed through, so that the first display area A and the second display area B be made to prolong in the signal of intersection
It is identical late or identical or close to identical close to identical, Feed through, the pixel in the first display area A can be allowed electric in this way
The voltage of pole increases, and finally makes that the best common voltage Vcom1 of the first display area A and the second display area B's is best public
The difference of voltage Vcom2 absolute value is less than or equal to 400mV, realizes effective reduce due to the first display area A and the second viewing area
There is homogeneity problem because of resolution ratio, the difference of size at grid line open position in domain B, improves the display effect of display panel
Fruit.
Fig. 6 is referred to, is the part plan structure chart of part shown in dotted line frame in Fig. 5 provided in an embodiment of the present invention
One.
4th kind of scheme, display panel include the first transistor 12 (in Fig. 6 with filling point and tiltedly in scribing line by a packet
The region enclosed is shown) and second transistor 22 (being shown in scribing line by the region surrounded in Fig. 6 with filling point and tiltedly), the
One transistor 12 is connect with the first grid line 111, and second transistor 22 is connect with the second grid line 211；And first grid line 111 and
The overlapping area A of the source electrode 121 of one transistor 121(being shown in Fig. 6 with the region in thick dashed line frame) less than the second grid line 211 with
The overlapping area A of the source electrode 121 of second transistor 222(being shown in Fig. 6 with the region in thick dashed line frame).
It should be noted that the first transistor 12, second transistor 22 also have semiconductor layer, with the first grid in Fig. 6
The region in fine dotted line frame in line 111, the second grid line 211 is shown, it is to be understood that in order to allow those skilled in the art
It can be apparent from the region of the first grid line 111, the covering of the second grid line 211, so doing to the region shown in semiconductor layer
Translucent processing, and be that the region that the semiconductor layer being shown in FIG. 6 covers also has grid line, only they are in different layers.It
Semiconductor layer is also to show as in figure 6 in Fig. 7-Fig. 9 afterwards, subsequent to be not repeated to illustrate.
Optionally, the value range of the first grid line 111 and the overlapping area A1 of the source electrode 121 of the first transistor 12 are as follows:
A2<A1<1.2A2H2/H1；
Wherein, H1、H2The respectively width of the width of the first display area A, the second display area B, A1、A2Respectively
One grid line 111 and the overlapping area of the source electrode 121 of the first transistor 12, the source electrode 221 of the second grid line 211 and second transistor 22
Overlapping area.
It is to be appreciated that the first transistor 12, second transistor 22 are quilt in filling point and oblique scribing line in Fig. 6
The region that point surrounds, due in production transistor (the first transistor 111, second transistor 22), grid line (the first grid line 111, the
Two grid lines 211) when, the grid of transistor and grid line are formed using a composition, thus the grid of transistor generally also by
Referred to as grid line (Gate line), does not distinguish especially the grid and grid line of transistor, similarly, the source electrode of transistor due to sweep
It is also to be formed using a composition that line (Source line), which is retouched, in production, so the source electrode of transistor is also generally referred to as
Scan line, above-mentioned A1、A2Also it is construed as the overlapping area of grid line and scan line.
Fig. 7 is referred to, is the part plan structure chart of part shown in dotted line frame in Fig. 5 provided in an embodiment of the present invention
Two.
Fifth version, the overlapping area A of the first grid line 111 and the drain electrode 122 of the first transistor 123(with thick empty in Fig. 7
Region in wire frame is shown) less than the overlapping area A of the second grid line 211 and the drain electrode 222 of second transistor 224(with thick in Fig. 7
Region in dotted line frame is shown).
Optionally, the overlapping area A of the drain electrode 122 of the first grid line and 111 the first transistors 123Value range are as follows:
(5/6)A4<A3<A4；
Wherein, A3、A4The respectively overlapping area of the drain electrode 122 of the first grid line 111 and the first transistor 12, the second grid line
211 with the overlapping area of the drain electrode 222 of second transistor 22.
In embodiment provided by the invention, by the way that the first grid line 111 is overlapping with the source electrode 121 of the first transistor 12
Area A1It is set smaller than the overlapping area A of the second grid line 211 and the source electrode 121 of second transistor 222, and/or by the first grid line
111 with the overlapping area A of the drain electrode 122 of the first transistor 123Less than the drain electrode 222 of the second grid line 211 and second transistor 22
Overlapping area A4, the capacitive load in the first display area A can be made to be improved, make the RC of the first display area A
Loading increases on the basis of the original to reduce its Feed through, to make the first display area A and the second viewing area
Domain B is identical or close to identical in signal delay, the Feed through of intersection, can be allowed in the first display area A in this way
The voltage of pixel electrode increases, and then makes the best common voltage Vcom1 and the second display area B of the first display area A most
The difference of good common voltage Vcom2 absolute value is less than or equal to 400mV, it is final realize it is effective reduce due to the first display area A and
There is homogeneity problem because of resolution ratio, the difference of size at grid line open position in second display area B, improves display panel
Display effect.
Fig. 8 is referred to, is the part plan structure chart of part shown in dotted line frame in Fig. 5 provided in an embodiment of the present invention
Three.
6th kind of scheme, display panel further include public electrode 30, and public electrode 30 covers the first display area A and second
Display area B；The overlapping area A of first grid line 111 and public electrode 305(being shown in Fig. 8 with the region in thick dashed line frame) is big
In the overlapping area A of the second grid line 211 and public electrode 306(being shown in Fig. 8 with the region in thick dashed line frame).
Optionally, the overlapping area A of the first grid line 111 and public electrode 305Value range are as follows:
A6<A5<1.2A4H2/H1；
Wherein, H1、H2Respectively the width of the first display area, the second display area width, A5、A6Respectively first
The overlapping area of the overlapping area of grid line 111 and public electrode 30, the second grid line 211 and public electrode 30.
In embodiment provided by the invention, by by the overlapping area A of the first grid line 111 and public electrode 305Setting
For the overlapping area A greater than second grid line 211 and public electrode 306, the capacitive load in the first display area A can be enable
It improves, increases the RC loading of the first display area A on the basis of the original to reduce its Feed through, to make
First display area A and the second display area B are identical or close to identical in signal delay, the Feed through of intersection, this
Sample can allow the voltage of the pixel electrode in the first display area A to increase, and then make the best common voltage of the first display area A
The difference of the best common voltage Vcom2 absolute value of Vcom1 and the second display area B is less than or equal to 400mV, final to realize effectively
It reduces and occurs at grid line open position due to resolution ratio, the difference of size due to the first display area A and the second display area B
Homogeneity problem improves the display effect of display panel.
It is to be appreciated that above-mentioned various schemes provided by the invention can individually be implemented, any combination can also be carried out
After implement, it is final only to meet the best public affairs for making the best common voltage Vcom1 and the second display area B of the first display area A
The difference of common voltage Vcom2 absolute value is less than or equal to 400mV.
Based on the same inventive concept, the embodiment of the present invention provides a kind of display panel, the structural schematic diagram of the display panel
It can be found in identical part in Fig. 1 and Fig. 2, with aforementioned display panel to repeat no more, specifically ask above-described embodiment, the display panel
With structure in above-described embodiment the difference is that the first display area A and the second display area B is used in above-described embodiment
Be same public electrode, and in the present embodiment the first display area A and the second display area B have respective public electrode,
The structural schematic diagram that Fig. 9 is public electrode in dashed region in Fig. 5 is referred to, which includes:
In a first direction on X, it is aobvious to be separately positioned on first for multiple first driving circuits 10 and multiple second driving circuits 20
Show side of the region A far from the second display area B, side of the second display area B far from the first display area A.
First display area A has the first cabling 11, and the second display area has the second cabling 21, and the first cabling 11 includes
The first grid line 111 extended in a first direction and the first fan-out line 112 being attached thereto, the second cabling 21 include the first grid line
111 extend to the second grid line 211 of the second display area B formation, and the second fan-out line 212 being attached thereto along first direction X；
In a first direction on X, the width H of the first display area A1Less than the width H of the second display area B2。
In the position that the first display area A and the second display area B has a common boundary, the first grid line 111 and the second grid line 211 are disconnected
It opens.
The public electrode 30 for covering the first display area A and the second display area B, it is aobvious in the first display area A and second
Show that the position that region B has a common boundary is to disconnect；It is that the first son is public positioned at the part of the first display area A in public electrode 30
Electrode 301 is the second sub- public electrode 302 positioned at the part of the second display area B.
It loads the best common voltage Vcom1 on the first sub- public electrode 301 and loads in the second sub- public electrode 302
On best common voltage Vcom2 difference value range be -300mV~0mV.
In embodiment provided by the invention, display panel is placed with the first display area A and second along first direction X and shows
Show region B, by the way that the first grid line 111 in the first display area A is extended to shape in the second display area B along first direction X
At the second grid line 211, and in the position that the first display area A and the second display area B have a common boundary, the first grid line 111 and the are allowed
Two grid lines 211 disconnect, with multiple first driving circuits of the first display area side A are arranged in the first of the first display area
Grid line 111 is driven, with multiple second driving circuits of the second display area side B are arranged in the of the second display area
Two grid lines 211 are driven, and enable display panel in the first display area A and the second display area B split screen display available, due to
In display panel, the public electrode 30 of the first display area A and the second display area B are covered, in the first display area A and second
The position that display area B has a common boundary is to disconnect；Public electrode 30 is divided for positioned at the first sub- common electrical of the first display area A
Pole 301, and it is located at second the second sub- public electrode 302 of display area B；It in this way can be respectively to the first display area A and second
The common voltage of display area B is adjusted, make to load best common voltage Vcom1 on the first sub- public electrode 301 with
The value range for loading the difference of the best common voltage Vcom2 on the second sub- public electrode 302 is -300mV~0mV, due to
When the difference of best common voltage Vcom1 and best common voltage Vcom2 is between -300mV~0mV, human eye would not observe that the
There is homogeneity in grid line gap in one display area A and the second display area B, so can effectively reduce due to
There is homogeneity problem in intersection due to resolution ratio, the difference of size in one display area A and the second display area B, Jin Erti
The display effect of high display panel.
Based on the same inventive concept, the embodiment of the present invention provides a kind of display device, which includes noted earlier
Any one of various display panels.
The display device can be liquid crystal display, liquid crystal display, the display devices such as LCD TV, can also for mobile phone,
The mobile devices such as tablet computer, notebook.
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 (15)
1. a kind of display panel, which is characterized in that the first display area and the second display area are successively placed with along first direction,
The display panel includes:
It is aobvious to be separately positioned on described first in said first direction for multiple first driving circuits and multiple second driving circuits
Show side of the region far from second display area, side of second display area far from first display area；
First display area has the first cabling, and second display area has the second cabling, the first cabling packet
The first fan-out line for including the first grid line extended in a first direction and being attached thereto, second cabling include first grid line
The second grid line that second display area is formed, and the second fan-out line being attached thereto are extended to along the first direction；?
On the first direction, the width of first display area is less than the width of second display area；
In the position that first display area and second display area have a common boundary, first grid line and second grid line
It is to disconnect；
The form of first cabling and second cabling is different and/or first grid line, second grid line respectively with
The overlapping area of other conductive film layers is different, keeps the best common voltage Vcom1 of first display area aobvious with described second
Show that the difference of the best common voltage Vcom2 absolute value in region is less than or equal to 400mV.
2. display panel as described in claim 1, which is characterized in that
The width of first grid line is less than the width of second grid line.
3. display panel as claimed in claim 2, which is characterized in that the width value range of first grid line are as follows:
Wherein, H1、H2The width of respectively described first display area, second display area width, W1、W2Respectively institute
State the width of the first grid line, second grid line.
4. display panel as described in claim 1, which is characterized in that the length of first fan-out line is greater than second fan
The length of outlet.
5. display panel as claimed in claim 4, which is characterized in that
The value range of the length of first fan-out line are as follows:
L2<L1<1.2L2H2/H1；
Wherein, H1、H2The width of respectively described first display area, second display area width, L1、L2Respectively institute
State the length of the first fan-out line, second fan-out line.
6. display panel as described in claim 1, which is characterized in that the width of first fan-out line is less than second fan
The width of outlet.
7. display panel as claimed in claim 6, which is characterized in that the value range of the width of first fan-out line are as follows:
Wherein, H1、H2The width of respectively described first display area, second display area width, W3、W4Respectively institute
State the width of the first fan-out line, second fan-out line.
8. display panel as described in claim 1, which is characterized in that the first transistor and second transistor, described first is brilliant
Body pipe is connect with first grid line, and the second transistor is connect with second grid line；
The overlapping area of the source electrode of first grid line and the first transistor is less than second grid line and second crystalline substance
The overlapping area of the source electrode of body pipe.
9. display panel as claimed in claim 8, which is characterized in that the source electrode of first grid line and the first transistor
Overlapping area value range are as follows:
A2<A1<1.2A2H2/H1；
Wherein, H1、H2The width of respectively described first display area, second display area width, A1、A2Respectively institute
State the overlapping area of the source electrode of the first grid line and the first transistor, the source electrode of second grid line and the second transistor
Overlapping area.
10. display panel as described in claim 1, which is characterized in that the display panel further include: the first transistor and
Two-transistor, the first transistor are connect with first grid line, and the second transistor is connect with second grid line；
The overlapping area of the drain electrode of first grid line and the first transistor is less than second grid line and second crystalline substance
The overlapping area of the drain electrode of body pipe.
11. display panel as claimed in claim 10, which is characterized in that the leakage of first grid line and the first transistor
The value range of the overlapping area of pole are as follows:
(5/6)A4<A3<A4；
Wherein, A3、A4The overlapping area of the drain electrode of respectively described first grid line and the first transistor, second grid line
With the overlapping area of the drain electrode of the second transistor.
12. display panel as described in claim 1, which is characterized in that the display panel further include: public electrode, it is described
Public electrode covers first display area and second display area；
First grid line is overlapping with the public electrode greater than second grid line with the overlapping area of the public electrode
Area.
13. display panel as claimed in claim 12, which is characterized in that first grid line is overlapping with the public electrode
The value range of area are as follows:
A6<A5<1.2A4H2/H1；
Wherein, H1、H2The width of respectively described first display area, second display area width, A5、A6Respectively institute
State the overlapping area of the first grid line and the public electrode, the overlapping area of second grid line and the public electrode.
14. a kind of display panel, which is characterized in that be successively placed with the first display area and the second viewing area along first direction
Domain, the display panel include:
It is aobvious to be separately positioned on described first in said first direction for multiple first driving circuits and multiple second driving circuits
Show side of the region far from second display area, side of second display area far from first display area；
First display area has the first cabling, and second display area has the second cabling, the first cabling packet
The first fan-out line for including the first grid line extended in a first direction and being attached thereto, second cabling include first grid line
The second grid line that second display area is formed, and the second fan-out line being attached thereto are extended to along the first direction；?
On the first direction, the width of first display area is less than the width of second display area；
In the position that first display area and second display area have a common boundary, first grid line and second grid line
It is to disconnect；
The public electrode for covering first display area and second display area, in first display area and described
The position that second display area has a common boundary is to disconnect；In the public electrode, the part positioned at first display area is
First sub- public electrode, the part positioned at second display area are the second sub- public electrode；
It loads the best common voltage Vcom1 on the described first sub- public electrode and loads on the described second sub- public electrode
Best common voltage Vcom2 difference value range be -300mV~0mV.
15. a kind of display device, which is characterized in that including such as described in any item display panels of claim 1-14.
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