CN108877525A - Bendable display panel and display driving method thereof - Google Patents
Bendable display panel and display driving method thereof Download PDFInfo
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- CN108877525A CN108877525A CN201810701410.7A CN201810701410A CN108877525A CN 108877525 A CN108877525 A CN 108877525A CN 201810701410 A CN201810701410 A CN 201810701410A CN 108877525 A CN108877525 A CN 108877525A
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- 238000000034 method Methods 0.000 title claims abstract description 17
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- 238000012937 correction Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 description 47
- 238000010586 diagram Methods 0.000 description 17
- 238000005452 bending Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 9
- 230000004044 response Effects 0.000 description 7
- 241000023320 Luma <angiosperm> Species 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 4
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- 230000000750 progressive effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a bendable display panel and a display driving method thereof, and the technical scheme of the invention provides a first voltage signal for a first sub-display area, a second voltage signal for a second sub-display area and a third voltage signal for a third sub-display area through a driving circuit respectively, wherein the second voltage signal received by the second sub-display area is different from the first voltage signal received by the first sub-display area and/or different from the third voltage signal received by the third sub-display area, so that the uniformity of image display of the first sub-display area, the second sub-display area and the third sub-display area can be improved.
Description
Technical field
The present invention relates to display device technology fields, more specifically, being related to a kind of bent display panel and its display
Driving method.
Background technique
With the continuous development of science and technology, more and more display devices are widely used in the routine work of people
And in life, huge convenience is brought for the routine work and work of people, it is indispensable to become current people
Important tool.
Display device realizes that the main component of display function is display panel and driving circuit, is aobvious by driving circuit
Show that panel provides drive voltage signal, is performed image display with controlling the display panel.In general, driving circuit is arranged in display surface
One end of the viewing area of plate.
Currently, display panel has that different zones image show uniformity is inconsistent.There is the reason of problem
Including：Not bent panel display board or bent display panel can split screen display available, cause same display panel can
To divide multiple viewing areas, the drive voltage signal of driving circuit needs split screen to be controlled, and each viewing area can not be made same
Step display, and then cause display panel that there is image to show non-uniform problem.
In addition, cause the length of signal wire inconsistent since driving circuit is different at a distance from different location viewing area, when
When driving circuit provides drive voltage signal by the signal wire for the pixel unit in viewing area, it is aobvious to will lead to different location
Show that the pixel unit in area is different to the response speed of drive voltage signal, and for large-sized display panel, it can be further
It is different to increase response speed, so that image caused by thus shows that problem of non-uniform is more obvious.
Summary of the invention
To solve the above-mentioned problems, technical solution of the present invention provides a kind of bent display panel and its display driving side
Method, technical solution of the present invention are mentioned to the first sub- viewing area, the second sub- viewing area and the sub- viewing area of third respectively by driving circuit
For the drive voltage signal of adaptation, the image of the first sub- viewing area, the second sub- viewing area and the sub- viewing area of third can be improved
The uniformity of display.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of bent display panel, which is characterized in that including viewing area and driving area, the viewing area includes：The
One sub- viewing area, the second sub- viewing area, the sub- viewing area of third, the second sub- viewing area can be bent, second viewing area
Between the described first sub- viewing area and the sub- viewing area of third, and with the described first sub- viewing area and the sub- viewing area of the third
Connection；
Driving circuit is arranged in the driving area, for providing drive voltage signal to the viewing area；
The drive voltage signal includes：First voltage signal, second voltage signal, tertiary voltage signal；
The second received second voltage signal of sub- viewing area institute and the described first received institute of sub- viewing area institute
It is different to state first voltage signal, and/or different from the sub- viewing area received tertiary voltage signal of institute of the third.
Preferably, in above-mentioned bent display panel, the driving circuit includes the first driving circuit, and described first drives
Dynamic circuit is for exporting the first voltage signal, the second voltage signal and the tertiary voltage signal；
The driving area is disposed adjacent with the described first sub- viewing area or the sub- viewing area of the third.
Preferably, in above-mentioned bent display panel, the driving area includes be located at viewing area two sides first
Area and the second driving area, the driving circuit is driven to include the second driving circuit for driving area positioned at described first and be located at
The third driving circuit in second driving area；
One of second driving circuit and the third driving circuit for export the first voltage signal and
The second voltage signal, another one is for exporting the tertiary voltage signal.
First driving area is disposed adjacent with the described first sub- viewing area, and the second driving area and third are aobvious
Show that area is disposed adjacent.
Preferably, in above-mentioned bent display panel, second driving circuit is used to provide the described first voltage letter
Number, the third driving circuit is used to provide the described second voltage signal and the tertiary voltage signal.
Preferably, in above-mentioned bent display panel, second driving circuit is used to provide the described first voltage letter
Number and the second voltage signal, the third driving circuit be used to provide the described tertiary voltage signal.
Preferably, in above-mentioned bent display panel, the viewing area has the pixel battle array of multiple pixel units composition
Column, the drive voltage signal is for driving the pixel unit to perform image display；
The first sub- viewing area, the second sub- viewing area and the sub- viewing area of the third are respectively provided with the area of setting
Location information domain；
The driving circuit is used to calculate the zone position information according to scan clock signal, is based on the regional location
Information generates the drive voltage signal.
Preferably, in above-mentioned bent display panel, the driving circuit is for obtaining the scan clock signal, base
The zone position information is determined in the scan clock signal, and corresponding display rule are obtained based on the zone position information
Then, the drive voltage signal is provided for the pixel unit based on the display rule.
Preferably, in above-mentioned bent display panel, the drive voltage signal includes data-signal, the driving electricity
After road is used to be corrected the data-signal based on preset display rule, for the number after pixel unit input correction
It is believed that number；
And/or the drive voltage signal includes scanning signal, the driving circuit is used for based on preset display rule
After being corrected to the scanning signal, for the scanning signal after pixel unit input correction.
Preferably, in above-mentioned bent display panel, the bent display panel includes a plurality of along pixel column direction
The data line of arrangement；
The data line includes the first part positioned at the described first sub- viewing area, the positioned at the described second sub- viewing area
Two parts and Part III positioned at the sub- viewing area of the third；
Wherein, the second part is metal mesh structure.
The present invention also provides a kind of display driving method of bent display device, for it is described in any of the above embodiments can
Bending display panel performs image display, which is characterized in that the display driving method includes：
Drive voltage signal, the drive voltage signal are provided by driving circuit for the viewing area of foldable display panel
Including：First voltage signal, second voltage signal, tertiary voltage signal；
The second received second voltage signal of sub- viewing area institute and the described first received institute of sub- viewing area institute
It is different to state first voltage signal, and/or different from the sub- viewing area received tertiary voltage signal of institute of the third.
Preferably, in above-mentioned display driving method, it is described by driving circuit be foldable display panel viewing area
There is provided drive voltage signal includes：
The zone position information that pixel unit is calculated according to scan clock signal generates institute based on the zone position information
State drive voltage signal.
As can be seen from the above description, the bent display panel and its display driving method that technical solution of the present invention provides
In, it is respectively that the first sub- viewing area provides first voltage signal by driving circuit, provides second voltage for the second sub- viewing area
Signal provides tertiary voltage signal, the received second voltage signal of the second sub- viewing area institute for the sub- viewing area of third
It is different from the described first sub- viewing area received first voltage signal of institute, and/or received with the sub- viewing area of the third
The tertiary voltage signal it is different, the figure of the first sub- viewing area, the second sub- viewing area and the sub- viewing area of third can be improved
Uniformity as shown in.
Detailed description of the invention
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 technical 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 structural schematic diagram of bent display panel provided in an embodiment of the present invention；
Fig. 2 is a kind of graphic structure of the data line of second sub- viewing area provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the bent display panel of another kind provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another bent display panel provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram of first driving circuit provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of second driving circuit provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of third driving circuit provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another second driving circuit provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of another third driving circuit provided in an embodiment of the present invention；
Figure 10 is a kind of operation principle schematic diagram of second sub- viewing area processing unit provided in an embodiment of the present invention.
Specific embodiment
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 description, it is clear that described embodiment is only a region embodiment of the 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, different at a distance from different location viewing area due to driving circuit, lead to the length of signal wire
It spends inconsistent, when driving circuit provides drive voltage signal by the signal wire for the pixel unit in viewing area, can lead
It causes the pixel unit in different location viewing area different to the response speed of drive voltage signal, and then will lead to display panel figure
Uniformity as shown in is poor.Particularly, for novel bent display panel, the problem of image show uniformity difference is more
Obviously.
The viewing area of bent display panel can be divided into the sub- viewing area of first successively to arrange, the second sub- viewing area and
The sub- viewing area of third.Bent display panel is close to one end of the described first sub- viewing area or close to the another of the sub- viewing area of third
One end is provided with driving area, and being provided with binding in driving area has driving circuit.Bent display panel can be in the second son display
It is bent at area.Driving circuit provides drive voltage signal for the pixel unit in viewing area, and driving pixel unit carries out figure
As display.
By taking drive voltage signal is data-signal as an example, it is each that driving circuit, which passes through the data line extended in a first direction,
Pixel unit in sub- viewing area provides data-signal.Bent display panel has the pixel unit of multiple array arrangements, the
One direction is parallel with the column direction of array, and second direction is vertical with first direction, parallel with the line direction of array.
For make data line that there is preferable bending characteristic in the second sub- viewing area, avoid data line due to bending out
Existing open circuit problem, the part for needing to be located at data line the second sub- viewing area carry out the special-shaped design of special shape, so that its
It can bear biggish bending stress.And special-shaped design of the data line in the second sub- viewing area can further increase different viewing areas
The pixel unit degree different to the response speed of drive voltage signal so that image shows that non-uniform problem is brighter
It is aobvious.
To solve the above-mentioned problems, in technical solution described in the embodiment of the present invention, the bent display panel passes through drive
Dynamic circuit is respectively that the first sub- viewing area provides first voltage signal, provides second voltage signal for the second sub- viewing area, is the
Three sub- viewing areas provide tertiary voltage signal, the second received second voltage signal of sub- viewing area institute and described first
The received first voltage signal of sub- viewing area institute is different, and/or with the sub- received third of viewing area institute of the third
Voltage signal is different, in this way, the image that the first sub- viewing area, the second sub- viewing area and the sub- viewing area of third can be improved is shown
Uniformity.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
With reference to Fig. 1, Fig. 1 is a kind of structural schematic diagram of bent display panel provided in an embodiment of the present invention, this can be rolled over
Folded display panel includes：Viewing area 10 and driving area 20, the viewing area 10 includes：First sub- the 11, second son of viewing area is aobvious
Show that the sub- viewing area 13 in area 12, third, the second sub- viewing area 12 can be bent, the second sub- viewing area 12 is located at described the
Between one sub- viewing area 11 and the sub- viewing area 13 of third, and connect with the described first sub- viewing area 11 and the sub- viewing area 12 of the third
It connects；Driving circuit 14, the setting of driving circuit 14 is in driving area 20, and the driving circuit 14 to the viewing area 10 for mentioning
For drive voltage signal.
The drive voltage signal includes：First voltage signal, second voltage signal, tertiary voltage signal；Described second
The sub- 12 received second voltage signal of institute of viewing area is believed with the described first sub- 11 received first voltage of institute of viewing area
Number difference, and/or it is different from the sub- 13 received tertiary voltage signal of institute of viewing area of the third.
It is that the first sub- viewing area 11 provides the by driving circuit 14 in bent display panel described in the embodiment of the present invention
One voltage signal provides second voltage signal for the second sub- viewing area 12, provides tertiary voltage letter by the sub- viewing area 13 of third
Number, and then each sub- viewing area can be made to obtain the driving voltage letter to match corresponding thereto in driving 20 regional location of area
Number, thus lower or eliminate since image is shown unevenly caused by the response speed to drive voltage signal is different.
In mode shown in Fig. 1 of having a try, shown driving circuit 15 includes the first driving circuit, and shown first driving circuit is used
In the output first voltage signal, the second voltage signal and the tertiary voltage signal；The driving area 20 and institute
The first sub- viewing area 11 is stated to be disposed adjacent.There are multiple pixel unit P of array arrangement in the viewing area 10.Bent display
Panel has the data line 15 of a plurality of parallel arrangement, and data line 15 extends along first direction Y.Each column pixel unit P is one corresponding
Data line 15, first direction Y are parallel to the column direction of array, and the line direction of array is parallel to second direction X, first direction Y with
Second direction X is vertical.
The data line 15 includes positioned at the first part of the described first sub- viewing area 11, positioned at the described second sub- viewing area
12 second part and Part III positioned at the sub- viewing area 13 of the third；Wherein, the second part is metal grill
Structure.When the second part that data line 15 is located at the second sub- viewing area 12 is metal mesh structure, the structure of the part such as Fig. 2
It is shown.
With reference to Fig. 2, Fig. 2 is a kind of graphic structure of the data line of second sub- viewing area provided in an embodiment of the present invention, number
Second part according to line in the second sub- viewing area is metal mesh structure, including at least one metal grill line segment 22, metal mesh
Ruling section 22 extends along first direction Y, and each metal grill line segment 22 has multiple connections of successively arranging in a first direction
Metal grill unit 21.When with multiple metal grill line segments 22, metal mesh in every data line can be set according to demand
The quantity of ruling section 22.
The data line 15 that second part is arranged is metal mesh structure, and data line can be improved at the second sub- viewing area 12
The ability resistant to bending of second part avoids the bending due to the second sub- viewing area 12 and leads to open circuit.For the of data line 15
A part and Part III can also be used and second part phase since it is without bending using conventional solid structure
Same metal mesh structure.
In technical solution of the present invention, the second part of setting data line 15 is metal mesh structure, first part and third
Part is conventional solid line metal wire.In this way, the bending resistance of second part on the one hand can be increased, and on the other hand, first
Without special metal mesh structure, manufacture craft is simple, at low cost for part and Part III.Although second part is golden
The bending ability of high degree promotion panel is capable of in the design for belonging to network, but can bring away the increased problem of line impedence.It is former
Notebook data line, with regard to big, will certainly further increase data line remote using design design in the impedance far from drive circuit area
Impedance from drive circuit area keeps the drive voltage signal for being finally given to separate drive circuit area smaller, shows uneven existing
As aggravating.
In technical solution of the embodiment of the present invention, known to the setting position of second part data line.It can with driving circuit 14
Can both determine the picture of Current Scan according to scan clock signal according to scan clock signal automatic identification zone position information
The corresponding sub- viewing area of plain unit, can based on the corresponding display rule adjustment drive voltage signal in identified sub- viewing area,
When drive voltage signal is data-signal, can according to the corresponding display grayscale of the display rule adjustment pixel unit, into
And make the data-signal of all pixels unit P in entire viewing area 10 close or consistent, improve show uniformity.
In the embodiment of the present invention, the drive voltage signal includes data-signal, and the driving circuit 14 is used for based on pre-
If display rule the data-signal is corrected after, for pixel unit P input correction after the data-signal, and/
Or, the drive voltage signal includes scanning signal, the driving circuit 14 is used to sweep based on preset display rule to described
It retouches after signal is corrected, for the scanning signal after pixel unit P input correction.Technical solution of the present invention is based on
Preset display rule is corrected drive voltage signal, can be with for the drive voltage signal after pixel unit P input correction
Respectively each sub- viewing area provides voltage signal respectively, so that the second sub- received second voltage letter of viewing area institute
It is number different from the described first sub- viewing area received first voltage signal of institute, and/or connect with the sub- viewing area of the third
The tertiary voltage signal received is different, and then the image as caused by the otherness of signal response speed is overcome to show unevenly
Problem.
Either data-signal or scanning signal, due to not can guarantee the position of driving circuit 14 Yu each sub- viewing area
Unanimously, therefore can certainly will have signal response difference, this can be overcome the problems, such as using technical solution described in the embodiment of the present application.
By taking driving circuit 14 provides data-signal for pixel unit P as an example, driving circuit 14 is pixel by data line 15
Unit P provides data-signal.Driving circuit is followed successively by each row pixel unit P according to preset scanning sequency and provides grid signal.
Scanning sequency can to progressively scan each row pixel unit P according to first direction Y, or according to first direction Y opposite direction by
Row scans each row pixel unit P.
In other embodiments, when the driving circuit 15 exports the first voltage signal, institute by the first driving circuit
When stating second voltage signal and the tertiary voltage signal, the bent display panel can be as shown in figure 3, Fig. 3 be
The structural schematic diagram of the bent display panel of another kind provided in an embodiment of the present invention, in which, the driving area 20 and institute
The sub- viewing area 13 of third is stated to be disposed adjacent.
With reference to Fig. 4, Fig. 4 is the structural schematic diagram of another bent display panel provided in an embodiment of the present invention, Fig. 4 institute
Show in bent display panel, the driving area 14 includes the first driving area 201 and for being located at 10 two sides of viewing area
Two driving areas 202, the driving circuit 14 include the second driving circuit 141 for driving area 201 positioned at described first and are located at
The third driving circuit 142 in second driving area 202.In second driving circuit 141 and the third driving circuit 142
One of for exporting the first voltage signal and the second voltage signal, another one is for exporting the tertiary voltage letter
Number.First driving area 201 is disposed adjacent with the described first sub- viewing area 11, the second driving area 202 and the third
Sub- viewing area 13 is disposed adjacent.
It include the first driving area 201 and the second driving for being located at 10 two sides of viewing area when the driving area 14 is arranged
Area 202, the driving circuit 14 include positioned at first driving area 201 the second driving circuit 141 and be located at described the
When the third driving circuit 142 in two driving areas 202, second driving circuit 141 can be set and be used to provide the described the first electricity
Signal is pressed, the third driving circuit 142 is used to provide the described second voltage signal and the tertiary voltage signal, alternatively, institute
It states the second driving circuit 141 and is used to provide the described first voltage signal and the second voltage signal, the third driving electricity
Road 142 is used to provide the described tertiary voltage signal.
First voltage signal, the third driving circuit 142 are used to provide the described when second driving circuit 141 is arranged
When being used to provide the described second voltage signal and tertiary voltage letter, pieces of data line 15 can be set in the first sub- viewing area
11 and second sub- viewing area 12 position disconnect, or as shown in figure 4, with the data line 15 of one-row pixels unit P connection
It does not disconnect in the position.
First voltage signal and the second voltage signal, institute are used to provide the described when the second driving circuit 141 is arranged
When stating third driving circuit 142 and being used to provide the described tertiary voltage signal, pieces of data line 15 can be set in the second son display
The position of area 12 and the sub- viewing area 13 of third disconnects, or as shown in figure 4, with the data line of one-row pixels unit P connection
15 do not disconnect in the position.
As above-mentioned, the viewing area 10 has the pixel array of multiple pixel unit P composition.The drive voltage signal is used
It is performed image display in the driving pixel unit；The first sub- viewing area 11, the second sub- viewing area 12 and described
The sub- viewing area 13 of third is respectively provided with the zone position information of setting；The driving circuit 14 is based on according to scan clock signal
The zone position information is calculated, the drive voltage signal is generated based on the zone position information.
Specifically, the driving circuit 14 is for obtaining the scan clock signal, it is true based on the scan clock signal
The fixed zone position information obtains corresponding display rule based on the zone position information, is based on the display rule
The pixel unit provides the drive voltage signal.First sub- viewing area 11, the second sub- viewing area 12 and third are shown
Area 13 is respectively arranged with different display rules, corresponding display can be selected regular based on the zone position information, with for
The sub- viewing area of the activation point information matches inputs different drive voltage signals.
When the second part of data line 15 is metal mesh structure, first part and Part III are conventional solid line metal
When line, image is caused to show that non-uniform main cause is the metal mesh structure of second part and the transmission range of data line
It is different.In the embodiment of the present application, for can looper display panel crooked place data line special-shaped design, can improve
The display effect of bent display panel show uniformity and bending place in use.Specifically, on the one hand, by viewing area
10 points are three sub- viewing areas, and relative to entire viewing area 10, the size of each sub- viewing area is smaller, and transmission range difference causes
Display problem of non-uniform be solved to a certain extent, each sub- viewing area size be no more than a certain range when, due to
Display problem of non-uniform caused by transmission range is different is limited under resolution of eye, and display caused by transmission range is different is uneven
Even problem is considered as under resolution of eye to be solved；On the other hand, viewing area 10 is being divided under three sub- viewing areas, further
For three son displays, different display rules is arranged in area respectively, can solve the metal mesh structure due to second part data line
Caused display problem of non-uniform.
When the driving circuit 14 exports the first voltage signal, the second voltage signal by the first driving circuit
And when the tertiary voltage signal, the structure of first driving circuit is as shown in figure 5, Fig. 5 provides for the embodiment of the present invention
The first driving circuit of one kind structural schematic diagram, the first driving circuit shown in Fig. 5 includes：First clock module 31, described
One clock module 31 is for obtaining the scan clock signal；First counter module 32, first counter module 32 are used
In determining the zone position information based on the scan clock signal；First processing module 33, the first processing module 33
It is that the pixel unit P is mentioned based on the display rule for obtaining corresponding display rule based on the zone position information
For the drive voltage signal.In Fig. 5 mode, illustrates so that drive voltage signal is data-signal as an example, pass through respective data lines
15 provide data-signal for pixel unit P.
Wherein, the first processing module 31 includes：First sub- viewing area processing unit 331, for based on the first display
Rule provides drive voltage signal for the pixel unit P of the first sub- viewing area 11；Second sub- viewing area processing unit 332, is used for
Drive voltage signal is provided based on the second display rule for the pixel unit P of the second sub- viewing area 12；The sub- viewing area processing of third
Unit 333, for providing drive voltage signal based on third display rule for the pixel unit P of the sub- viewing area 13 of third.
When the driving circuit 14 provides the first voltage signal by second driving circuit 141, by described
When third driving circuit 142 provides the second voltage signal and the tertiary voltage signal, second driving circuit 141
Structure as shown in fig. 6, the third driving circuit 142 structure as shown in fig. 7, Fig. 6 be one kind provided in an embodiment of the present invention
The structural schematic diagram of second driving circuit, Fig. 7 are a kind of structural schematic diagram of third driving circuit provided in an embodiment of the present invention.
As shown in fig. 6, shown second driving circuit 141 includes：Second clock module 41, the second clock module 41 are used
In the acquisition scan clock signal；Second counter module 42, second counter module 42 are used to be based on the scanning
Clock signal determines the zone position information；Second processing module 43, the Second processing module 43 are used to be based on the area
Location information domain obtains corresponding display rule, provides the driving voltage based on the display rule for the pixel unit P
Signal.Wherein, the Second processing module 43 includes：First sub- viewing area processing unit 331, for based on the first display rule
Pixel unit P for the first sub- viewing area 11 provides drive voltage signal.
As shown in fig. 7, shown third driving circuit 142 includes：Third clock module 51, the third clock module 51 are used
In the acquisition scan clock signal；Third counter module 52, the third counter module 52 are used to be based on the scanning
Clock signal determines the zone position information；Third processing module 53, the third processing module 53 are used to be based on the area
Location information domain obtains corresponding display rule, provides the driving voltage based on the display rule for the pixel unit P
Signal.Wherein, the third processing module 53 includes：Second sub- viewing area processing unit 332, for based on the second display rule
Pixel unit P for the second sub- viewing area 12 provides drive voltage signal；The sub- viewing area processing unit 333 of third, for being based on
Third display rule provides drive voltage signal for the pixel unit P of the sub- viewing area 13 of third.
In the mode shown in Fig. 6 and Fig. 7, driving circuit 14 divides for the second driving circuit 141 and third driving circuit 142.
When scanning circuit scans the first sub- viewing area 11, corresponding scan clock signal, the second son of scanning are provided for the second driving circuit 141
Corresponding scanning signal is provided for third driving circuit 142 when viewing area 12 and the sub- viewing area 13 of third, in order to the second driving electricity
Road 141 and third driving circuit 142 determine zone position information respectively.
When the driving circuit 14 provides the first voltage signal and described by second driving circuit 141
Two voltage signals, when providing the tertiary voltage signal by the third driving circuit 142, second driving circuit 141
Structure as shown in figure 8, the structure of the third driving circuit 142 as shown in figure 9, Fig. 8 is provided in an embodiment of the present invention another
A kind of structural schematic diagram of second driving circuit, Fig. 9 are the structure of another third driving circuit provided in an embodiment of the present invention
Schematic diagram.
As shown in figure 8, shown second driving circuit 141 includes：4th clock module 61, the 4th clock module 61 are used
In the acquisition scan clock signal；Four-counter module 62, the four-counter module 62 are used to be based on the scanning
Clock signal determines the zone position information；Fourth processing module 63, the fourth processing module 63 are used to be based on the area
Location information domain obtains corresponding display rule, provides the driving voltage based on the display rule for the pixel unit P
Signal.Wherein, the fourth processing module 63 includes：First sub- viewing area processing unit 331, for based on the first display rule
Pixel unit P for the first sub- viewing area 11 provides drive voltage signal；Second sub- viewing area processing unit 332, for being based on
Second display rule provides drive voltage signal for the pixel unit P of the second sub- viewing area 12.
As shown in figure 9, shown third driving circuit 142 includes：5th clock module 71, the 5th clock module 71 are used
In the acquisition scan clock signal；5th counter module 72, the 5th counter module 72 are used to be based on the scanning
Clock signal determines the zone position information；5th processing module 73, the 5th processing module 73 are used to be based on the area
Location information domain obtains corresponding display rule, provides the driving voltage based on the display rule for the pixel unit P
Signal.Wherein, the 5th processing module 73 includes：The sub- viewing area processing unit 333 of third, for based on third display rule
Pixel unit P for the sub- viewing area 13 of third provides drive voltage signal.
Equally, in the mode shown in Fig. 8 and Fig. 9, driving circuit 14 divides for the second driving circuit 141 and third driving circuit
142.When scanning circuit scans the first sub- viewing area 11 and the second sub- viewing area 12, correspondence is provided for the second driving circuit 141 and is swept
It retouches clock signal, provides corresponding scanning signal for third driving circuit 142 when the sub- viewing area 13 of scanning third, drive in order to second
Dynamic circuit 141 and third driving circuit 142 determine zone position information respectively.
In technical solution of the embodiment of the present invention, driving circuit 14 determines that the principle of zone position information is as follows：
Setting viewing area 10 shares N row pixel unit, and N is the positive integer greater than 1, should in a first direction on the opposite direction of Y
N row pixel unit is followed successively by the 1st row pixel unit-nth row of pixels unit.The 1st row the-the A-1 line position is set to show in third
Area 13, line a-line b are located at the second sub- viewing area 12, and B+1 row-Nth row is located at the first sub- viewing area 11, and A and B are big
In 1 and be less than N positive integer, and A be less than B.Therefore when pixel unit of the scanning circuit to viewing area is scanned, driving circuit
14 can determine that the son where the pixel column of Current Scan is aobvious based on scan clock signal corresponding with the pixel column of Current Scan
Show zone position, that is, determines its zone position information.If the pixel column of Current Scan is located at the 1st row the-the A-1 row, then can determine
When correspond to the zone position information of the sub- viewing area 13 of third then can be true if the pixel column of Current Scan is located at line a-line b
The zone position information of the corresponding second sub- viewing area 12 of timing then may be used if the pixel column of Current Scan is located at B+1 row-Nth row
The zone position information of corresponding first sub- viewing area 11 when determining.
First sub- viewing area processing unit 331 is mentioned by the pixel unit P that the first display rule is the first sub- viewing area 11
For drive voltage signal；Second sub- viewing area processing unit 332 is the pixel of the second sub- viewing area 12 by the second display rule
Unit P provides drive voltage signal；The sub- viewing area processing unit 333 of third is the sub- viewing area 13 of third by third display rule
Pixel unit P provide drive voltage signal.
It can determine that pixel unit corresponds to the setting grayscale in each sub- viewing area by the monochromatic test pictures of grayscale value
The correction grayscale value of value, each display rule include correction grayscale value of the pixel unit in multiple and different grayscale values.Therefore it can be with
Display result based on unilateral test pictures obtains the display rule of each sub- viewing area.
A kind of mode is to obtain the first display rule, the second display rule and third display rule respectively based on the above principles
Then, then burning first shows rule in the first sub- display processing unit 331, in the second sub- viewing area processing unit 332
Burning second shows rule, in sub- 333 burning third of the viewing area processing unit display rule of third.
Another way is based on the above principles, the first display rule and point display rule to be obtained respectively, then first
Burning first shows rule in sub- display processing unit 331, in sub- 333 burning third of the viewing area processing unit display rule of third
Then, linear fit operation is carried out based on the first display rule and third display rule, calculates the second display rule, is obtained calculating
The second display rule storage to the second sub- viewing area processing unit 332.
Viewing area processing unit 331 sub- for first, can be corresponding for all pixels unit in the first sub- viewing area 11
Drive voltage signal provides identical correcting value, and viewing area processing unit 333 sub- for third can be the sub- viewing area 13 of third
The corresponding drive voltage signal of interior all pixels unit provides identical correcting value.And the second bent sub- viewing area 12 is opposite
It is smaller in the length on the first sub- viewing area 11 and the sub- viewing area 13 of third in a first direction Y, therefore it is with less pixel column,
But due to its often bend, the image conformity of the second sub- viewing area 12 is poor relative to other sub- viewing areas, thus in order into
One step improves the show uniformity in the second sub- viewing area 12, as shown in Figure 10.
With reference to Figure 10, Figure 10 is that a kind of working principle of second sub- viewing area processing unit provided in an embodiment of the present invention is shown
It is intended to, in shown mode, the second sub- viewing area processing unit 332 includes particular row grayscale processing unit 84, by fitting accordingly
Middle module 81 obtains scan clock signal, by corresponding counter module 82 according to the scan clock signal zoning position
Confidence breath.Particular row grayscale processing unit 84 is connect with mobile industry processor interface (MIPI) 83, and mobile Industry Processor connects
Mouth 83 is for providing luma data information for particular row grayscale processing unit 84.Particular row grayscale processing unit 84 is according to region position
Confidence ceases the corresponding number of lines of pixels of data line profiled portion in the sub- viewing area 12 of count tag second, advances in the pixel marked
When row image is shown, according to the luma data information, increase or reduction that different pixels row corresponds to luma data are calculated.Figure
In mode shown in 10, processing is corrected respectively to each row pixel unit of the second sub- viewing area 12, with the first sub- viewing area 11
With the sub- viewing area 13 of third is whole is corrected that processing is different so that the display effect transition of the second sub- viewing area 12 bent
Smoothly.
When drive voltage signal is data-signal, the voltage signal for pixel unit input shows that pixel unit pair
The grayscale value answered.Since data line is the special-shaped design in part in second part, pass through correspondence in each sub- viewing area processing module
When display rule is corrected, in fact it could happen that the problem of grayscale is mutated, the repair coverage beyond each sub- viewing area processing module,
In order to avoid the problem, after the zone position information for determining profiled portion data line, to the gray number of regional location distribution
It is believed that breath carry out pre-compensation, then by the second sub- viewing area processing unit 332 according to second display rule to it is compensated
Luma data information is corrected, and the uniformity of display picture can be improved.
It should be noted that the abnormal shape of data line is designed as metal mesh structure in the embodiment of the present invention, it is also possible to it
He designs special-shaped high impedance tracks.Technical solution of the embodiment of the present invention is not limited to display caused by the special-shaped design of data line not
Uniformity problem is also applied for solving the problems, such as that shift-register circuit has display caused by special-shaped high impedance tracks uneven, use
Technical solution of the present invention, so that show uniformity is good, can improve shift registers at different levels by allotment timing waveform matching
Input uniformity.
It can be used as flexible display panels in view of OLED display board, therefore in the embodiment of the present invention, the second bent display
Area 12 is OLED display panel, first viewing area 11 and the third viewing area 13 or OLED display panel, this
When, the first viewing area 11, the second viewing area 12 and third viewing area 13 can be the different viewing areas of same OLED display panel
Domain.In other embodiments, the second viewing area 12 is OLED display panel, first viewing area 11 and the third viewing area 13
It can also be LCD display panel, in the embodiment, LCD display panel needs to carry out with OLED display panel to splice to be integrated
Structure.
The bent display panel has scanning circuit, and when performing image display, scanning circuit is swept based on setting
Clock signal is retouched to progressively scan each row pixel unit P.The driving circuit 14 can pass through the scan clock signal
Determine zone position information.
As can be seen from the above description, in bent display panel described in the embodiment of the present invention, it is respectively by driving circuit
First sub- viewing area provides first voltage signal, provides second voltage signal for the second sub- viewing area, mentions for the sub- viewing area of third
For tertiary voltage signal, the received second voltage signal of the second sub- viewing area institute is connect with the described first sub- viewing area
The first voltage signal received is different, and/or different from the sub- viewing area received tertiary voltage signal of institute of the third,
The uniformity that the image of the first sub- viewing area, the second sub- viewing area and the sub- viewing area of third is shown can be improved.
Based on the above embodiment, another embodiment of the present invention additionally provides a kind of display driving method, above-mentioned for driving
Bent display panel described in embodiment performs image display, which includes：
Drive voltage signal, the drive voltage signal are provided by driving circuit for the viewing area of foldable display panel
Including：First voltage signal, second voltage signal, tertiary voltage signal；
The second received second voltage signal of sub- viewing area institute and the described first received institute of sub- viewing area institute
It is different to state first voltage signal, and/or different from the sub- viewing area received tertiary voltage signal of institute of the third.
Optionally, described to provide drive voltage signal by driving circuit for the viewing area of foldable display panel and include：
The zone position information that pixel unit is calculated according to scan clock signal generates the driving electricity based on the zone position information
Press signal.
It is respectively that the first sub- viewing area provides first by driving circuit in display driving method described in the embodiment of the present invention
Voltage signal provides second voltage signal for the second sub- viewing area, provides tertiary voltage signal for the sub- viewing area of third, and described
The two received second voltage signals of sub- viewing area institute and the described first received first voltage signal of sub- viewing area institute
Difference, and/or it is different from the sub- viewing area received tertiary voltage signal of institute of the third, the first son display can be improved
The uniformity that the image in area, the second sub- viewing area and the sub- viewing area of third is shown.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, same and similar region may refer to each other between each embodiment.For being shown disclosed in embodiment
For driving method, since it is corresponded to the methods disclosed in the examples, so be described relatively simple, related place is referring to can
Bend display panel corresponding part explanation.
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 readily 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 scope of cause.
Claims (11)
1. a kind of bent display panel, which is characterized in that including viewing area and driving area, the viewing area includes：First
Sub- viewing area, the second sub- viewing area, the sub- viewing area of third, the second sub- viewing area can be bent, second display position
Connect between the described first sub- viewing area and the sub- viewing area of third, and with the described first sub- viewing area and the sub- viewing area of the third
It connects；
Driving circuit is arranged in the driving area, for providing drive voltage signal to the viewing area；
The drive voltage signal includes：First voltage signal, second voltage signal, tertiary voltage signal；
The received second voltage signal of the second sub- viewing area institute and the described first sub- viewing area institute received described the
One voltage signal is different, and/or different from the sub- viewing area received tertiary voltage signal of institute of the third.
2. bent display panel according to claim 1, which is characterized in that the driving circuit includes the first driving electricity
Road, first driving circuit is for exporting the first voltage signal, the second voltage signal and the tertiary voltage
Signal；
The driving area is disposed adjacent with the described first sub- viewing area or the sub- viewing area of the third.
3. bent display panel according to claim 1, which is characterized in that the driving area includes being located at display
First driving area of area two sides and the second driving area, the driving circuit include the second driving positioned at first driving area
Circuit and the third driving circuit for driving area positioned at described second；
One of second driving circuit and the third driving circuit are for exporting the first voltage signal and described
Second voltage signal, another one is for exporting the tertiary voltage signal；
First driving area is disposed adjacent with the described first sub- viewing area, the second driving area and the sub- viewing area of the third
It is disposed adjacent.
4. bent display panel according to claim 3, which is characterized in that second driving circuit is for providing institute
First voltage signal is stated, the third driving circuit is used to provide the described second voltage signal and the tertiary voltage signal.
5. bent display panel according to claim 3, which is characterized in that second driving circuit is for providing institute
First voltage signal and the second voltage signal are stated, the third driving circuit is used to provide the described tertiary voltage signal.
6. bent display panel according to claim 1, which is characterized in that the viewing area has multiple pixel units
The pixel array of composition, the drive voltage signal is for driving the pixel unit to perform image display；
The first sub- viewing area, the second sub- viewing area and the sub- viewing area of the third are respectively provided with the region position of setting
Confidence breath；
The driving circuit is used to calculate the zone position information according to scan clock signal, is based on the zone position information
Generate the drive voltage signal.
7. bent display panel according to claim 6, which is characterized in that the driving circuit is for obtaining described sweep
Clock signal is retouched, the zone position information is determined based on the scan clock signal, is obtained based on the zone position information
Corresponding display rule provides the drive voltage signal based on the display rule for the pixel unit.
8. bent display panel according to claim 1, which is characterized in that the drive voltage signal includes data letter
Number, after the driving circuit is used to be corrected the data-signal based on preset display rule, inputted for pixel unit
The data-signal after correction；
And/or the drive voltage signal includes scanning signal, the driving circuit is used for based on preset display rule to institute
It states after scanning signal is corrected, for the scanning signal after pixel unit input correction.
9. bent display panel according to claim 1, which is characterized in that the bent display panel includes a plurality of
Along the data line of pixel column direction arrangement；
The data line includes positioned at the first part of the described first sub- viewing area, positioned at second of the described second sub- viewing area
Point and the Part III positioned at the sub- viewing area of the third；
Wherein, the second part is metal mesh structure.
10. a kind of display driving method of bent display device, for driving such as the described in any item bendables of claim 1-9
Folding display panel performs image display, which is characterized in that the display driving method includes：
Drive voltage signal, the drive voltage signal packet are provided by driving circuit for the viewing area of foldable display panel
It includes：First voltage signal, second voltage signal, tertiary voltage signal；
The received second voltage signal of the second sub- viewing area institute and the described first sub- viewing area institute received described the
One voltage signal is different, and/or different from the sub- viewing area received tertiary voltage signal of institute of the third.
11. display driving method according to claim 10, which is characterized in that described to be shown by driving circuit to be foldable
Show that the viewing area of panel provides drive voltage signal and includes：
The zone position information that pixel unit is calculated according to scan clock signal generates the drive based on the zone position information
Dynamic voltage signal.
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| CN201810701410.7A CN108877525A (en) | 2018-06-29 | 2018-06-29 | Bendable display panel and display driving method thereof |
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| CN201810701410.7A CN108877525A (en) | 2018-06-29 | 2018-06-29 | Bendable display panel and display driving method thereof |
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Application publication date: 20181123 |