CN108711406A - A kind of display panel and control method - Google Patents
A kind of display panel and control method Download PDFInfo
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- CN108711406A CN108711406A CN201810552177.0A CN201810552177A CN108711406A CN 108711406 A CN108711406 A CN 108711406A CN 201810552177 A CN201810552177 A CN 201810552177A CN 108711406 A CN108711406 A CN 108711406A
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- 239000013078 crystal Substances 0.000 description 3
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- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
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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
- G09G3/34—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 by control of light from an independent source
- G09G3/36—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 by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
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Abstract
The invention discloses a kind of display panel and control methods, display panel described in technical solution of the present invention has the first viewing area and the second viewing area, first grid polar curve in first viewing area has different loads from the second gate line in the second viewing area, in the display stage, public electrode positioned at the first viewing area receives different common voltages respectively from the public electrode positioned at the second viewing area, in this way, without changing the data-signal of pixel electrode, by providing different common voltages for public electrode, it can solve the problems, such as that poor image quality caused by deviation occurs for the charging voltage due to pixel electrode, improve the image displaying quality of display panel.
Description
Technical field
The present invention relates to display device technology fields, more specifically, are related to a kind of display panel and control method.
Background technology
With the continuous development of science and technology, more and more the electronic equipment with display function is widely used in
In daily life and work, huge facility is brought for daily life and work, becomes current
The indispensable important tool of people.
Electronic equipment realizes that the critical piece of display function is display panel.Liquid crystal display panel is a kind of mainstream at this stage
Display panel.When carrying out display driving, the public electrode of pixel unit inputs common voltage, needs to open picture by grid line
The thin film transistor (TFT) of plain unit passes through public electrode and picture to charge with by the pixel electrode that data line is pixel unit
The electric field controls pixel unit of plain electrode performs image display.
Electronic equipment needs to be arranged on a display panel fluting for function electronics member to be arranged to integrate more functions
Part, as existing smart mobile phone display panel in, upper end needs that fluting for receiver and camera to be arranged is arranged, and lower end needs
Fluting for fingerprint sensor to be arranged is set, can lead to the change of the load of grid line in this way, so that pixel is electric
Deviation occurs for the charging voltage of pole, influences the image displaying quality of display panel.
Invention content
To solve the above-mentioned problems, technical solution of the present invention provides a kind of display panel and control method, Ke Yiti
The image displaying quality of high display panel.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of display panel, the display panel include：
First viewing area and the second viewing area, first viewing area all have multiple pixels with second viewing area
Unit；The pixel unit includes pixel electrode and public electrode；
Positioned at the first grid polar curve of a plurality of parallelly distribute on of first viewing area, the first grid polar curve is used for described
The pixel unit of first viewing area carries out display driving；
Positioned at the second gate line of a plurality of parallelly distribute on of second viewing area, the second gate line is used for described
The pixel unit of second viewing area carries out display driving；The load of the second gate line and the first grid polar curve
It is different；The first grid polar curve and the second gate line extend in a first direction；
Display the stage, be located at first viewing area the public electrode be located at second viewing area it is described
Public electrode is used to receive the common voltage of varying strength.
Optionally, in above-mentioned display panel, the display panel includes with common electrode layer, the common electrode layer
The public electrode；
The part and the SI semi-insulation positioned at second viewing area that the common electrode layer is located at first viewing area；
The part that the common electrode layer is located at first viewing area is divided equally with positioned at the part of second viewing area
For multiple blocks, each block is connect by thin film transistor (TFT) with the first signal wire, and first signal wire is used for described
When thin film transistor (TFT) is connected common voltage is inputted for the block；
Wherein, it is separately connected from the block positioned at second viewing area positioned at the block of first viewing area different
First signal wire, to receive the common voltage of varying strength.
Optionally, in above-mentioned display panel, the control terminal of all thin film transistor (TFT)s is electrically connected to same control letter
Number line, the control signal wire are used for transmission control signal, so that the thin film transistor (TFT) simultaneously turns on, or close simultaneously
It is disconnected.
Optionally, in above-mentioned display panel, the thin film transistor (TFT) has control terminal, the first pole and the second pole, institute
State control terminal for receive control signal, to control the conducting state of the thin film transistor (TFT), first pole is led by connecting
Line is connect with first signal wire, and second pole is connected by second signal line with corresponding block.
Optionally, in above-mentioned display panel, there is the display panel driving circuit, the driving circuit to be used in institute
Thin film transistor (TFT) conducting described in display stage control is stated, to input common voltage for the block, described in touch-control stage control
Thin film transistor (TFT) turns off, to be that the block inputs touch control detection signal by third signal wire.
Optionally, in above-mentioned display panel, first viewing area includes intermediate region, and second viewing area includes
First area, the first area and the intermediate region arrange in a second direction, and the second direction is perpendicular to described first
Direction, and it is parallel to the display panel；
The first area has the first notch, and first notch is for being arranged camera and/or receiver.
Preferably, in above-mentioned display panel, second viewing area further includes second area；The first area, institute
It states intermediate region and the second area is arranged along the second direction；The subregion of the second area is integrated with fingerprint knowledge
Other electrode is multiplexed the public electrode as the fingerprint recognition electrode.
Optionally, in above-mentioned display panel, second viewing area further includes second area, the first area, institute
It states intermediate region and the second area is arranged along the second direction；The second area have the second notch, described second
Notch is for being arranged fingerprint Identification sensor.
Optionally, in above-mentioned display panel, first notch includes the first pilot trench mouth and the second pilot trench mouth；
First direction is separately positioned on the first area described in the first pilot trench mouth and the second pilot trench opening's edge
Both ends.
Optionally, it in above-mentioned display panel, is shown when the load of the grid line of first viewing area is more than described second
When showing the load of the grid line in area, in the display stage, it is located at the common electrical that the public electrode of first viewing area receives
Compressive Strength is more than the common voltage intensity that the public electrode positioned at second viewing area receives；
When load of the load of the grid line of first viewing area less than the grid line of second viewing area, aobvious
Show the stage, the common voltage intensity for being located at the public electrode reception of first viewing area is less than positioned at second display
The common voltage intensity that the public electrode in area receives.
Optionally, in above-mentioned display panel, the common electrical in the different periods in display stage, same viewing area
The common voltage intensity of pole input is identical；Or the different periods in the display stage, the public electrode in same viewing area
The common voltage intensity of input is different.
The present invention also provides a kind of control methods, are used for display panel described in any one of the above embodiments, which is characterized in that institute
Stating control method includes：
Display the stage, to positioned at the first viewing area the public electrode with positioned at the second viewing area the common electrical
Pole provides the common voltage of varying strength.
By foregoing description it is found that in display panel and control method that technical solution of the present invention provides, display panel
With the first viewing area and the second viewing area, the second grid in first grid polar curve and the second viewing area in the first viewing area
Line has different loads, in the display stage, is located at the public electrode of the first viewing area and the common electrical for being located at the second viewing area
Pole receives different common voltages respectively, in this way, the data-signal without changing pixel electrode, by being provided not for public electrode
Same common voltage can solve the problems, such as that poor image quality caused by deviation occurs for the charging voltage due to pixel electrode, carries
The high image displaying quality of display panel.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of vertical view of common low screen accounting mobile phone in the prior art；
Fig. 2 is the vertical view that a kind of common height shields accounting mobile phone in the prior art；
Fig. 3 is the vertical view of the display panel of mobile phone shown in Fig. 2；
Fig. 4 is a kind of driving principle schematic diagram of conventional display panels；
Fig. 5 is another driving principle schematic diagram of conventional display panels；
Fig. 6 is a kind of vertical view of display surface provided in an embodiment of the present invention；
Fig. 7 is the principle schematic of the driving of display panel display shown in Fig. 6；
Fig. 8 is the test sequence figure of display panel shown in Fig. 6；
Fig. 9 is the vertical view of another display panel provided in an embodiment of the present invention；
The vertical view of the positions Figure 10 another display panel provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As stated in the background art, electronic equipment in order to integrate more functions needs that fluting use is arranged on a display panel
The first functional component, which is executed, in setting function electronic component and/or multiplexing display panel executes the second function.
With reference to figure 1- Fig. 3, Fig. 1 is that a kind of vertical view of common low screen accounting mobile phone, Fig. 2 are existing in the prior art
A kind of vertical view of common high screen accounting mobile phone in technology, Fig. 3 is the vertical view of the display panel of mobile phone shown in Fig. 2.By scheming
1- Fig. 3 is it is found that the low screen accounting of current phone from early stage are excessive to height screen accounting, in order to realize high screen accounting, in display panel
Lower end setting fluting 11, for fingerprint identification module to be integrated into inside viewing area, in the upper end of display panel setting fluting 12
With fluting 13, it is respectively used to setting camera and receiver.
Fluting can cause viewing area to there is some irregular shaped regions, these irregular shaped regions due to shape and normal viewing area not
Together, cause the load of its inner grid line different from the normal load of viewing area inner grid line, to cause the display of irregular shaped region
The normal viewing area of effect has different, that is, windowing phenomena occurs.
In the prior art, usually directly pass through the data of the pixel unit to the different regions to solve the above-mentioned problems
Signal is supplemented.
As shown in Figure 4 and Figure 5, Fig. 4 is a kind of driving principle schematic diagram of conventional display panels, and Fig. 5 is traditional display surface
Another driving principle schematic diagram of plate.Existing improvement way is staggeredly to drive the shift register (VSR) of normal viewing area
Mode (such as Fig. 4) is changed to the type of drive (as shown in Figure 5) of bilateral VSR, so can then eliminate since the load of grid line is different
The difference of the difference of caused capacitance-resistance delay, capacitance-resistance delay can cause irregular shaped region and the image display effect of normal viewing area to have
It is variant, the image displaying quality of display panel is reduced, but the circuit framework of traditional bilateral VSR drivings is complicated, can cause to show
Show that the left and right side frame width 21 of panel increases.
To solve the above-mentioned problems, an embodiment of the present invention provides a kind of display panel, the display panel includes：
First viewing area and the second viewing area, first viewing area all have multiple pixels with second viewing area
Unit；The pixel unit includes pixel electrode and public electrode；
Positioned at the first grid polar curve of a plurality of parallelly distribute on of first viewing area, the first grid polar curve is used for described
The pixel unit of first viewing area carries out display driving；
Positioned at the second gate line of a plurality of parallelly distribute on of second viewing area, the second gate line is used for described
The pixel unit of second viewing area carries out display driving；The load of the second gate line and the first grid polar curve
It is different；The first grid polar curve and the second gate line extend in a first direction；
Display the stage, be located at first viewing area the public electrode be located at second viewing area it is described
Public electrode is used to receive the common voltage of varying strength.
Wherein, the first viewing area is normal viewing area, the load all same of a plurality of first grid polar curve.First viewing area
With slotting and/or be integrated with fingerprint recognition electrode, in this way, the load of the second gate line in the second viewing area and the can be caused
The load of first grid polar curve in one viewing area is different.The load of grid line is smaller, faster to the response speed of electric signal, instead
It, then it is slower.The number of the connected pixel unit of the length of grid line, grid line and there is coupled relation with grid line
The size and number of block can influence the load of grid line line.
As it can be seen that display panel has the first viewing area and the second viewing area, the first grid polar curve in the first viewing area with
Second gate line in second viewing area has different loads, in the display stage, be located at the public electrode of the first viewing area with
Public electrode positioned at the second viewing area receives different common voltages respectively, in this way, the data letter without changing pixel electrode
Number, by providing different common voltages for public electrode, can solve to lead since deviation occurs for the charging voltage of pixel electrode
The problem of poor image quality of cause, improves the image displaying quality of display panel.
It is the core concept of technical solution of the present invention above, to enable the above objects, features and advantages of the present invention more
Add and become apparent, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
With reference to figure 6 and Fig. 7, Fig. 6 is a kind of vertical view of display surface provided in an embodiment of the present invention, and Fig. 7 is shown in Fig. 6
The principle schematic of display panel display driving, the display panel include：First viewing area 10 and the second viewing area 20, institute
It states the first viewing area 10 and all has multiple pixel unit P with second viewing area 20；The pixel unit P includes pixel electrode
Pixl and public electrode Com.The structure of pixel unit P can be identical as the structure of pixel unit P in existing display panel.This
Display panel described in inventive embodiments is liquid crystal display panel.
The display panel further includes the first grid polar curve of a plurality of parallelly distribute on positioned at first viewing area 10
Gate1, the first grid polar curve Gate1 to the pixel unit P of first viewing area 10 for carrying out display driving；
Positioned at the second gate line Gate2 of a plurality of parallelly distribute on of second viewing area 20, the second gate line Gate2 for pair
The pixel unit P of second viewing area 20 carries out display driving；The second gate line Gate2 and the first grid
The load of line Gate1 is different；The first grid polar curve Gate1 and the second gate line Gate2 are along first direction X
Extend.In the display stage, it is located at the public electrode Com of first viewing area 10 and is located at second viewing area 20
The public electrode Com be used to receive the common voltage of varying strength.
Display panel described in the embodiment of the present invention has the first viewing area 10 and the second viewing area 20, the first viewing area 10
In first grid polar curve Gate1 and the second gate line Gate2 in the second viewing area 20 there is different loads, in display rank
Section, the public electrode Com positioned at the first viewing area 10 receive different respectively from the public electrode Com positioned at the second viewing area 20
Common voltage, it is different public by being provided for public electrode Com in this way, without changing the data-signal of pixel electrode Pixl
Voltage can solve the problems, such as that poor image quality caused by deviation occurs for the charging voltage due to pixel electrode Pixl, improves
The image displaying quality of display panel.
The display panel has a plurality of grid line and multiple data lines.Grid line positioned at the first viewing area 10 is the
One gate lines G ate1, the grid line for being located at the second viewing area 20 are second gate line Gate2.Each pixel unit P also has pixel
In transistor T0, same pixel unit P, the control terminal of pixel transistor T0 connects corresponding grid line, and the first pole connects pixel
Electrode Pixl, the second pole connect corresponding data line.It, can be with when the scanning signal of grid line input opens pixel transistor T0
Data-signal is provided for pixel electrode Pixl by data line, pixel electrode Pixl is made to charge.Pixel transistor T0 is that film is brilliant
Body pipe.
In display panel described in the embodiment of the present invention, due to bearing for first grid polar curve Gate1 and second gate line Gate2
Difference is carried, the charging voltage of pixel electrode Pixl has otherness, by for positioned at the described public of first viewing area 10
Electrode Com is filled with the common voltage of varying strength with the public electrode Com positioned at second viewing area 20 respectively, can
It even is eliminated due to caused by the otherness the problem of poor image quality with reducing.
The display panel has common electrode layer, and the common electrode layer includes the public electrode Com.It is described public
The part and the SI semi-insulation positioned at second viewing area 20 that electrode layer is located at first viewing area 10.The public electrode
The part that layer is located at first viewing area 10 is divided into multiple blocks 30 with positioned at the part 20 of second viewing area, each
Block 30 is connect by thin film transistor (TFT) T with the first signal wire 41, and first signal wire 41 is used in the film crystal
When pipe T conductings common voltage is inputted for the block 30.Wherein, it is located at the block 30 of first viewing area 10 and is located at institute
The block 30 for stating the second viewing area 20 is separately connected the first different signal wires 41, to receive the common voltage of varying strength.It needs
It is noted that for convenience of description, each block 30 in the application represents a public electrode block, and in the touch-control stage
It is multiplexed with touch control electrode.
In display panel described in the embodiment of the present invention, common electrode layer is divided into multiple blocks 30, and each block 30 covers more
The pixel electrode Pixl of a array arrangement, in this way, can by way of time-sharing multiplex, touch-control sequential section by block 30 into
Row position of touch detects, and driving is performed image display by block 30 in display sequential section.It should be noted that in Fig. 6 in order to
Convenient for distinguishing different blocks, the spacing between the two neighboring block 30 shown is larger, and each block 30 is in actual product
The pixel electrode Pixl of corresponding multiple array arrangements is completely covered.
In Fig. 6 and Fig. 7 illustrated embodiments, multiple blocks 30 in the first viewing area 10 include multiple first blocks
301, multiple blocks 30 in the second viewing area 20 include multiple second blocks 302, multiple third blocks 303 and multiple the
Four blocks 304.A plurality of first signal wire 41 that multiple blocks 30 connect one to one includes：First subsignal line 411, for for
First block 301 inputs the first common voltage COMA；Second subsignal line 412, it is public for inputting second for the second block 302
Voltage COMB；Third subsignal line 413, for inputting third common voltage COMC for third block 303；And the 4th son letter
Number line 414, for inputting the 4th common voltage COMD for the 4th block 304.The first signal wire 41 shown in Fig. 7 and grid line
It is parallel, it is located at the rim area for surrounding the entire viewing area of display panel, under the premise of not influencing display panel aperture opening ratio, Ke Yigen
In other modes, the first signal wire 41 and data can also be arranged in the direction of routing that the first signal wire 41 is designed according to wiring requirements
Line is parallel.Thin film transistor (TFT) T is located at rim area.
As shown in fig. 7, in order to reduce the signal wire quantity of rim area, narrow frame design, all film crystals are realized
The control terminal of pipe T is electrically connected to same control signal wire 42, and the control signal wire 42 is used for transmission control signal
VcomSW so that the thin film transistor (TFT) T is simultaneously turned on, or is simultaneously turned off, and in other embodiment, can also be respectively
Each thin film transistor (TFT) T is separately provided for controlling signal wire thin film transistor (TFT) T conductings and closed.The film
Transistor T has control terminal, the first pole and the second pole, and the control terminal is for receiving control signal VcomSW, to control
The conducting state of thin film transistor (TFT) T is stated, first pole is connect with first signal wire 41, and second pole passes through the second letter
Number line 43 and corresponding block 30 connect.Second signal line 43 is usually located at third metal layer, and corresponding block 30 is usually located at public affairs
Common electrode layer, has insulating layer between the two, is not shown the insulating layer in Fig. 7, second signal line 43 can by via 44 with
Corresponding block 30 is electrically connected.Second signal line 43 is parallel with data line.The first pole of thin film transistor (TFT) T by connecting wire 45 with
Corresponding first signal wire 41 connects, and in the embodiment shown in figure 7, which is parallel to data line, is not influencing
Under the premise of aperture opening ratio, the direction of routing of connecting wire 45 can be set according to demand, in other embodiment, can also be arranged
Conducting wire 45 is parallel to grid line.
The display panel has driving circuit IC.Driving circuit IC is connect with the first signal wire 41.The driving circuit
IC is used to control the thin film transistor (TFT) T by control signal wire 42 in the display stage and be connected, with for the block 30 it is defeated
Enter common voltage, the thin film transistor (TFT) T described in touch-control stage control is turned off, to be inputted for the block by third signal wire 46
Touch control detection signal, to carry out the detection of position of touch.Driving circuit IC can be arranged in the lower end rim area of display panel,
All thin film transistor (TFT) T are arranged in upper end rim area.
In the embodiment shown in figure 7, the second signal line 43 and the third signal wire 46 are same cabling, this is walked
Line is connected by via 44 with corresponding block 30.One end of the cabling is connect with the second electrode of thin film transistor (TFT) T, the end and mistake
Part between hole 44 is as second signal line 43.The other end of the cabling is connect with driving circuit IC, the end and driving circuit
Part between IC is as third signal wire 46.It is provided with switching circuit between the cabling and driving circuit IC.In this way, can lead to
Cross same cabling timesharing input common voltage and touch control detection signal.Switching circuit and driving of the lower end of the cabling by setting
IC circuit connects, and via 44 is located between the top and bottom of the cabling, the cabling can by multiple vias 44 with it is corresponding
Block 30 connects, to ensure Ohmic contact effect.It should be noted that " lower end " herein is the cabling close to driving circuit IC
One end, " upper end " be the one end of the cabling far from driving circuit IC, do this restriction and be merely for convenience of describing.In film crystal
When pipe T conductings, which closes, and can obtain the public voltage signal that driving circuit IC is provided, be led in the switching circuit
When logical, thin film transistor (TFT) T is closed, and can obtain the touch control detection signal that driving circuit IC is provided.In other embodiments,
It can set second signal line 43 and third signal wire 46 to individual two signal line, that is to say, that connect same block 30
Second signal line 43 and third signal wire 46 disconnect.
In Fig. 6 and Fig. 7 illustrated embodiments, first viewing area 10 includes intermediate region 101, second display
Area includes first area 201, and Y is arranged in a second direction for the first area 201 and the intermediate region 101, the second party
To Y perpendicular to the first direction X, and it is parallel to the display panel.The first area 201 has the first notch K1, institute
The first notch K1 is stated for camera and/or receiver to be arranged.In Fig. 6 and Fig. 7 illustrated embodiments, intermediate region 101 is the
One viewing area 10 is normal viewing area.
In which, the first notch K1 is structure as a whole, and in a first direction on X, the first notch K1 is located at first area 201
Centre position.First area 201 can lead to left and right two parts first area of the first notch K1 since the first notch K1 is arranged
Grid line disconnects or coiling is needed to be connected to other viewing areas, not only grid line length change, but also grid line in 201
The quantity of thin film transistor (TFT) corresponding with pixel unit also changes.In this way, the second gate line in the region can be caused
Gate2 loads change relative to the first grid polar curve Gate1 loads in the first viewing area 10.
As shown in fig. 6, second viewing area 20 further includes second area 202；The first area 201, the centre
Region 101 and the second area 202 are arranged along the second direction Y；The subregion of the second area 202 is integrated with finger
Line identifies electrode, is multiplexed the public electrode Com as the fingerprint recognition electrode.Second area 202 includes fingerprint identification area
Domain 33, fingerprint recognition electrode are located at the fingerprint identification region 33.
Fingerprint recognition electrode includes at least the public electrode Com of a pixel unit P.One fingerprint recognition electrode is second
A block 30 in region 202.The size of block 30 in first area 201 and intermediate region 101 meets touch-control size and wants
It asks, the first block 301 and 302 size of the second block can be identical.Fingerprint recognition electrode is required to the paddy of identification fingerprint
Line and crestal line, in order to identify fingerprint image, therefore for the 4th block 304 as fingerprint recognition electrode in second area 202
Size is less than touch-control size, due to the relative changes of 304 size of the 4th block, can lead in second area 202 at least partly the
The size of three blocks 303 changes, therefore at least partly the size of third block 303 is less than touch-control size.Therefore, second area 202
The interior change due to 30 size of block can lead to its interior second gate line Gate2 load and the first grid in the first viewing area 10
Polar curve Gate1 loads are different.
First block 301, the second block 302, third block 303 and the 4th block 304 can be used in the display stage
In receiving public voltage signal, display is realized；Touch control detection signal can also be received in the touch-control stage, realize touch-control.4th area
Block 304 can be also used for carrying out fingerprint recognition.
With reference to figure 8, Fig. 8 is the test sequence figure of display panel shown in Fig. 6, including Cell test phases and module test
Stage.
In Cell test phases, control signal VTSW is high level, tradition VT tests is carried out, at this point, being set based on the application
Fixed, control signal VcomSW is high level, and all thin film transistor (TFT) T conductings, different blocks 30 correspond to the common electrical of input setting
Pressure.When VT is tested, common electrical is provided to the public electrode block of display panel all areas by corresponding second signal line 43
Pressure, confirm different viewing areas whether can normally show namely detection panel in each thin film transistor (TFT) whether normal operation, with
And normally whether grid line and data line, prevents from defective products flowing into module set section, cost is caused to waste.It should be noted that
In VT test phases, the common voltage intensity that different public electrode blocks receive may be the same or different, as long as can make pair
The pixel answered can be shown.It should be noted that for convenience of description, the SX in Fig. 8 is touch-control cabling, is corresponded to
Signal to the signal that is transmitted on touch-control cabling, and touch-control cabling herein includes second signal line 43 and third signal wire 46,
That is, touch-control cabling time sharing transmissions public voltage signal and touch control detection signal.According to describing before, rank is tested in VT
Section, is not specifically limited the signal on touch-control cabling, as long as corresponding pixel can be made to be shown, therefore, this
Place only replaces the type signal with NC.Moreover, in VT detection-phases, and without touch control detection.
Module test phase is divided into display test phase and touch-control test phase.In module test phase, usually one
Multiple touch control detections are inserted into the display cycle of frame, Fig. 8 only shows a display time interval and a touch control detection period.It is showing
Detection-phase, control signal VTSW are low level, and existing VT test circuits are closed, and control signal VTSW is low level.First, four
Kind block 30 inputs corresponding public voltage signal, and the common voltage intensity is generally between 0~-1.0V, the public affairs of different blocks
Common voltage can be the same or different.Then, according to the display situation of different blocks 30, adjustment different blocks input public
Voltage value, when different blocks reach best display effect, common voltage value burning that different blocks 30 at this time are inputted
Into IC, follow-up display process then directly inputs the voltage value set from IC to different blocks 30.It should be noted that showing
Detection-phase, the signal transmitted on touch-control cabling are actually led by the public voltage signal on the first signal wire 41 through connection
Line 45, thin film transistor (TFT) T and second signal line 43 are transferred on public electrode block.
In the touch control detection stage, control signal VTSW is low level, and existing VT test circuits are closed, and control signal VTSW is
Low level, thin film transistor (TFT) T are also switched off, and four kinds of common voltage VCOM1- VCOM4 can not be input to corresponding block 30, use at this time
It is that corresponding block 30 inputs continuous side by third signal wire 46 in the switching circuit conducting of control touch control detection signal input
Wave signal, to carry out touch control detection.It should be noted that the signal transmitted on touch-control cabling at this time is actually touching for IC outputs
Control detection signal, the signal are transmitted to corresponding block 30 by third signal wire 46.
As shown in figure 9, Fig. 9 is the vertical view of another display panel provided in an embodiment of the present invention, with mode shown in Fig. 6
Difference is that the second area 202 has the second notch K2, the second notch K2 for fingerprint Identification sensor to be arranged
34.At this point, second area 202 is hollowed out, conditioning tank mouth K2 is formed, fingerprint Identification sensor 34 is set in second notch K2,
The positive face of fingerprint Identification sensor 34 region is above-mentioned fingerprint identification region 33.For the ease of each block of clear diagram 30
Layout is arranged, and the concrete structure of grid line, data line and pixel unit is not exported in Fig. 9, these structures can be with reference chart 6
Illustrated embodiment.
With reference to figure 10, Figure 10 is the vertical view of another display panel provided in an embodiment of the present invention, Figure 10 and Fig. 6 institutes
Show that embodiment difference is, the first notch K1 includes the first pilot trench mouth K11 and the second pilot trench mouth K12；Described first
Pilot trench mouth K11 and the second pilot trench mouth K12 is separately positioned on the both ends of the first area 201 along the first direction.
Can be by one of the first pilot trench mouth K11 and the second pilot trench mouth K12 for camera to be arranged, another one is for being arranged receiver.
In which, all pixels unit P of first area 201 is located at the same area, and by the first notch, K1 points are a pilot trench mouth K11
And the second pilot trench mouth K12, the both ends of first area 201 are separately positioned on, in this way, can make the abnormity display with notch
All pixels unit P is located at the same area in area, close as far as possible, reduces the load difference of special-shaped viewing area, can improve
Image displaying quality.
Equally, for the ease of the layout setting of each block of clear diagram 30, do not exported in Figure 10 grid line, data line with
And the concrete structure of pixel unit, these structures can be with 6 illustrated embodiments of reference chart.
In the embodiment of the present application, when the load of the grid line of first viewing area 10 is more than second viewing area 20
Grid line load when, display the stage, be located at first viewing area 10 the public electrode Com receive common electrical
Compressive Strength is more than the common voltage intensity that the public electrode Com positioned at second viewing area 20 is received；When described first
When the load of the grid line of viewing area 10 is less than the load of the grid line of second viewing area 20, in the display stage, it is located at institute
The common voltage intensity for stating the public electrode Com receptions of the first viewing area 10 is less than positioned at second viewing area 20
The common voltage intensity that the public electrode Com is received.
If the load of grid line is big, when scanning, the response of pixel transistor T0 in the pixel unit P connected
Speed is slow, is that pixel electrode Pixl chargings are slow by data line, if the load of grid line is small, when scanning, is connected
The fast response time of pixel transistor T0 in pixel unit P is that pixel electrode Pixl chargings are fast by data line.And the prior art
In, the common voltage all same of public electrode Com inputs can then cause to load big grid line and load small grid line respectively
Voltage in corresponding pixel unit P between pixel electrode Pixl and public electrode Com (is formed for driving pixel unit P aobvious
The electric field shown) deviate setting voltage, cause image to show uneven, influences image displaying quality.Cause due to being load difference
This problem, therefore the prior art is generally by the grid line for designing specific shift-register circuit and making different loads
Response speed is identical, or while grid line has response speed difference, is carried out to the data-signal of pixel electrode Pixl
Supplement, so that its voltage between fixed common voltage is consistent to set voltage.But it is either posted by specific displacement
The mode of mode or supplementary data signal that latch circuit makes the response speed of grid line consistent, essence are all to change number
It is believed that number, data processing complex, circuit cost of implementation is higher, can greatly increase the operand of driving circuit.
And in technical solution described in the embodiment of the present invention, adjust the strong of the pixel electrode Pixl common voltages of different zones
Degree, different common voltages is provided for the corresponding public electrode Com of grid line of different loads, and grid linear load is big, pixel electricity
Pixl chargings in pole are slow, then provide stronger common voltage for its public electrode Com, and the display to promote respective pixel unit P is rung
Speed is answered, if grid linear load is small, pixel electrode Pixl chargings are fast, then provide weaker common electrical for its public electrode Com
Pressure, to reduce the display response speed of respective pixel unit P, so that the corresponding pixel unit P of grid line that load is different
Display effect reaches unanimity or reaches consistent, to improve image displaying quality.
As it can be seen that in technical solution described in the embodiment of the present invention, do not change due to pixel electricity caused by grid linear load difference
The deviation that pole charging voltage has, under conditions of with the deviation, what it is based on grid linear load is not all different viewing areas
Public electrode provides different common voltages, is reduced by different common voltages or is eliminated due to pixel electrode charging voltage
Deviation caused by show problem of non-uniform.
Optionally, in the embodiment of the present invention, the public electrode in the different periods in display stage, same viewing area
The common voltage intensity of Com inputs is identical, that is to say, that the public electrode Com of the first viewing area 10 is defeated in the entirely display stage
Entering constant common voltage, the public electrode Com of the second viewing area 20 inputs constant common voltage in the entire display stage, the
The public electrode Com of one viewing area 10 inputs different common voltages from the public electrode Com of the second viewing area 20.
In other modes, what the public electrode Com in the different periods in display stage, same viewing area was inputted
Common voltage intensity is different, that is to say, that common electricals of the public electrode Com of the first viewing area 10 in the input variation of display stage
Pressure, the public electrode Com of the second viewing area 20 is in the common voltage of display stage input variation, the common electrical of the first viewing area 10
Pole Com inputs different common voltages from the public electrode Com of the second viewing area 20.
It is different based on grid linear load in display panel described in the embodiment of the present invention, the pixel list connected by grid line
The public electrode Com of first P provides different common voltages, can optimize fingerprint identification region and the display of normal viewing area is imitated
Fruit can also identify the display effect of special-shaped viewing area and normal viewing area with notch, promote display panel difference and show
The display effect uniformity in area.
Based on above-described embodiment, another embodiment of the present invention additionally provides a kind of control method of display panel, for
The display panel described in embodiment is stated, which includes：In the display stage, to the common electrical positioned at the first viewing area
Pole and the common voltage that varying strength is provided positioned at the public electrode of the second viewing area.
Based on the difference of grid linear load, the common voltage of public electrode is set, can be born in this way to avoid due to grid line
The non-uniform problem of display effect caused by difference is carried, realization principle can refer to above-described embodiment, and details are not described herein.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For being controlled disclosed in embodiment
For method, since it is corresponding with display panel disclosed in embodiment, so description is fairly simple, related place is referring to side
Method part illustrates.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (12)
1. a kind of display panel, which is characterized in that the display panel includes：
First viewing area and the second viewing area, first viewing area all have multiple pixel lists with second viewing area
Member；The pixel unit includes pixel electrode and public electrode；
Positioned at the first grid polar curve of a plurality of parallelly distribute on of first viewing area, the first grid polar curve is used for described first
The pixel unit of viewing area carries out display driving；
Positioned at the second gate line of a plurality of parallelly distribute on of second viewing area, the second gate line is used for described second
The pixel unit of viewing area carries out display driving；The load of the second gate line and the first grid polar curve is not
Together；The first grid polar curve and the second gate line extend in a first direction；
Display the stage, be located at first viewing area the public electrode be located at second viewing area it is described public
Electrode is used to receive the common voltage of varying strength.
2. display panel according to claim 1, which is characterized in that the display panel has common electrode layer, described
Common electrode layer includes the public electrode；
The part and the SI semi-insulation positioned at second viewing area that the common electrode layer is located at first viewing area；
The common electrode layer be located at first viewing area part be divided into the part positioned at second viewing area it is more
A block, each block are connect by thin film transistor (TFT) with the first signal wire, and first signal wire is used in the film
When transistor turns common voltage is inputted for the block；
Wherein, different first are separately connected from the block positioned at second viewing area positioned at the block of first viewing area
Signal wire, to receive the common voltage of varying strength.
3. display panel according to claim 2, which is characterized in that the control terminal of all thin film transistor (TFT)s is electrically connected
To same control signal wire, the control signal wire is used for transmission control signal, so that the thin film transistor (TFT) simultaneously turns on,
Or it simultaneously turns off.
4. display panel according to claim 2, which is characterized in that the thin film transistor (TFT) has control terminal, the first pole
And second pole, the control terminal is for receiving control signal, to control the conducting state of the thin film transistor (TFT), described first
Pole is connect by connecting wire with first signal wire, and second pole is connected by second signal line with corresponding block.
5. display panel according to claim 4, which is characterized in that the display panel has driving circuit, the drive
Dynamic circuit is used for the thin film transistor (TFT) described in the display stage control and is connected, and to input common voltage for the block, is touching
Thin film transistor (TFT) shutdown described in stage control is controlled, to be that the block inputs touch control detection signal by third signal wire.
6. display panel according to claim 1, which is characterized in that first viewing area includes intermediate region, described
Second viewing area includes first area, and the first area and the intermediate region arrange in a second direction, the second direction
Perpendicular to the first direction, and it is parallel to the display panel；
The first area has the first notch, and first notch is for being arranged camera and/or receiver.
7. display panel according to claim 6, which is characterized in that second viewing area further includes second area；Institute
First area, the intermediate region and the second area is stated to arrange along the second direction；The part area of the second area
Domain is integrated with fingerprint recognition electrode, is multiplexed the public electrode as the fingerprint recognition electrode.
8. display panel according to claim 6, which is characterized in that second viewing area further includes second area, institute
First area, the intermediate region and the second area is stated to arrange along the second direction；The second area has second
Notch, second notch is for being arranged fingerprint Identification sensor.
9. display panel according to claim 6, which is characterized in that first notch includes the first pilot trench mouth and the
Two pilot trench mouths；
First direction is separately positioned on the two of the first area described in the first pilot trench mouth and the second pilot trench opening's edge
End.
10. according to claim 1-9 any one of them display panels, which is characterized in that when the grid of first viewing area
When the load of line is more than the load of the grid line of second viewing area, in the display stage, it is located at the institute of first viewing area
The common voltage intensity for stating public electrode reception is more than the common electrical that the public electrode positioned at second viewing area receives
Compressive Strength；
When load of the load of the grid line of first viewing area less than the grid line of second viewing area, in display rank
Section, the common voltage intensity for being located at the public electrode reception of first viewing area are less than positioned at second viewing area
The common voltage intensity that the public electrode receives.
11. display panel according to claim 10, which is characterized in that in the different periods in display stage, same display
The common voltage intensity of public electrode input in area is identical；Or the different periods in the display stage, same viewing area
In public electrode input common voltage intensity it is different.
12. a kind of control method, for such as claim 1-11 any one of them display panels, which is characterized in that the control
Method processed includes：
In the display stage, carried to the public electrode positioned at the first viewing area with the public electrode positioned at the second viewing area
For the common voltage of varying strength.
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| CN201810552177.0A CN108711406A (en) | 2018-05-31 | 2018-05-31 | A kind of display panel and control method |
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| CN201810552177.0A CN108711406A (en) | 2018-05-31 | 2018-05-31 | A kind of display panel and control method |
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| CN109493781A (en) * | 2018-12-04 | 2019-03-19 | 惠科股份有限公司 | Driving device and display apparatus |
| CN109523945A (en) * | 2018-12-29 | 2019-03-26 | 武汉华星光电技术有限公司 | The driving method of display |
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Application publication date: 20181026 |