CN109767718A - A kind of driving backboard and display device - Google Patents
A kind of driving backboard and display device Download PDFInfo
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- CN109767718A CN109767718A CN201910253248.1A CN201910253248A CN109767718A CN 109767718 A CN109767718 A CN 109767718A CN 201910253248 A CN201910253248 A CN 201910253248A CN 109767718 A CN109767718 A CN 109767718A
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Abstract
The present invention provides a kind of driving backboard and display devices, it solves since the quantity of the pixel-driving circuit of the quantity and normal region of special-shaped area pixel driving circuit is inconsistent, the load of the load and normal region that lead to special-shaped area pixel is inconsistent, therefore there is the difference of color in display, influence the problem of showing quality.It include: the first driving area, including multiple first pixel-driving circuits；Second driving area, including multiple second pixel-driving circuits and at least one set of load compensation unit, every group of load compensation unit includes at least one load compensation unit, and load compensation unit described in every group is used to carry out load compensation to second pixel-driving circuit being connected on same conducting wire.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of driving backboard and display device.
Background technique
With the continuous development of display technology, display device is used in all trades and professions, shape need of the user to screen body
Also it is increasingly stringenter, therefore the demand of special-shaped screen is gradually increasing.Abnormity screen refers to the screen body with arbitrary shape, including tool
There are the screen body or the screen body with slotted zones etc. of arcuate segments, but quantity and normal region due to special-shaped area pixel driving circuit
Pixel-driving circuit quantity it is inconsistent, the load of the load and normal region that lead to special-shaped area pixel is inconsistent, therefore
Occur the difference of color in display, influences to show quality.
Summary of the invention
In view of this, solving the present invention provides a kind of driving backboard and display device since special-shaped area pixel is driven
The quantity of the pixel-driving circuit of the quantity and normal region of dynamic circuit is inconsistent, leads to the load of special-shaped area pixel and normal
The load in region is inconsistent, therefore shows the difference of color occur, influences the problem of showing quality.
A kind of driving backboard and display device that one embodiment of the invention provides include: the first driving area, including multiple the
One pixel-driving circuit；Second driving area, including multiple second pixel-driving circuits and at least one set of load compensation unit, every group
Load compensation unit includes at least one load compensation unit, and load compensation unit described in every group is used for being connected to same conducting wire
On second pixel-driving circuit carry out load compensation.
In one embodiment, the driving backboard further includes several scan lines, load compensation unit described in every group
For carrying out load compensation to second pixel-driving circuit being connected in same scan line.
In one embodiment, the load compensation unit includes the compensation for generating resistance and/or parasitic capacitance
Structure.
In one embodiment, the load compensation unit is the collocation structure for generating resistance, described for producing
The collocation structure of raw resistance is one of conducting wire that S-type, U-shaped and Z-type is arranged or a variety of combinations；And/or the load
Compensating unit is collocation structure for generating parasitic capacitance, and the collocation structure includes two pole plates, in described two pole plates
A pole plate be one of conducting wire that S-type, U-shaped and Z-type is arranged or a variety of combinations；Preferably, the conducting wire is to sweep
Retouch one section in line.
In one embodiment, the load compensation unit includes the collocation structure for generating resistance, described to be used for
The collocation structure of resistance is generated as one section in the conducting wire, and its width is greater than the width of remaining section in the conducting wire；It is described
Load compensation unit is the collocation structure for generating parasitic capacitance, and the collocation structure for generating parasitic capacitance includes two
A pole plate, a pole plate in described two pole plates is one section in the conducting wire, and its width is greater than remaining in the conducting wire
The width of section.
In one embodiment, second driving area includes spaced first son driving area and the second son driving
Area, at least positioned at least one second pixel-driving circuit in the first son driving area and positioned at the second son driving area
One the second pixel-driving circuit is connected to the same conducting wire；Preferably, the driving backboard includes slotted zones, the fluting
Area is located between first son driving area and the second son driving area.
In one embodiment, it along the extending direction of the conducting wire, is driven at interval of preset quantity second pixel
A load compensation unit is arranged in dynamic circuit.
It in one embodiment, include the first driving thin film transistor (TFT) in first pixel-driving circuit, described the
It include the second driving thin film transistor (TFT) in two pixel-driving circuits；Wherein, two neighboring described along the extending direction of the conducting wire
The distance of adjacent two the second driving thin film transistor (TFT) between load compensation unit is less than two neighboring described first
Drive the distance of thin film transistor (TFT).
It in one embodiment, include the first driving thin film transistor (TFT) in first pixel-driving circuit, described the
It include the second driving thin film transistor (TFT) in two pixel-driving circuits；Wherein, the size of the second driving thin film transistor (TFT) is less than
The size of the first driving thin film transistor (TFT)；And/or the second driving thin film transistor (TFT) and described first drives film brilliant
The line width of body pipe is than identical.
A kind of display device, including the above-mentioned driving backboard of the present invention；First viewing area, including multiple first pixels；And
Second viewing area, including multiple second pixels；Wherein, the first pixel-driving circuit drives first picture in the driving backboard
Element shines, and the second pixel-driving circuit drives second pixel light emission.
A kind of driving backboard provided in an embodiment of the present invention and display device, the driving backboard include the first driving Qu He
Two driving areas, the first driving area may be provided at normal viewing area, and the second driving area may be provided at special-shaped area, wherein the first driving area
Including multiple first pixel-driving circuits, the second driving area includes multiple second pixel-driving circuits and at least one set of load compensation
Unit, wherein every group of load compensation unit includes at least one load compensation unit, every group of load compensation unit is used for connection
Load compensation is carried out in the second pixel-driving circuit on same conducting wire, passes through the setting load compensation unit company in driving backboard
The second pixel-driving circuit being connected on same conducting wire carries out load compensation, solves due to special-shaped area pixel driving circuit
The quantity of the pixel-driving circuit of quantity and normal region is inconsistent, leads to the load of special-shaped area pixel and bearing for normal region
Carry it is inconsistent, therefore show on there is the difference of color, influence show quality the problem of.
Detailed description of the invention
Fig. 1 show a kind of structural schematic diagram of driving backboard of one embodiment of the invention offer.
Fig. 2 show a kind of structural schematic diagram of the compensated scanning line of driving backboard of one embodiment of the invention offer.
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 the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Fig. 1 show a kind of structural schematic diagram of driving backboard of one embodiment of the invention offer.
As shown in Figure 1, the driving backboard includes the first driving area and the second driving area, wherein the first driving area may be provided at
In normal display area, the second driving area be may be provided in special-shaped display area.First driving area includes multiple first pixels
Driving circuit 1, the effect of the first pixel-driving circuit 1 are the pixel light emission for driving the first driving area, and the second driving area includes more
A second pixel-driving circuit 2, the effect of the second pixel-driving circuit 2 are the pixel light emission for driving the second driving area.Driving back
Plate further includes at least one set of load compensation unit 4, and every group of load compensation unit 4 includes at least one load compensation unit 4, and every group
Load compensation unit 4 is used to carry out load compensation to the second pixel-driving circuit 2 being connected on same conducting wire 3, wherein conducting wire 3
Can driving backboard in horizontal direction or vertical direction setting, every group of load compensation unit 4 can be to same level direction conducting wire 3
On the second pixel-driving circuit 2 carry out load compensation or every group of load compensation unit 4 can be to same vertical direction conducting wire 3
On the second pixel-driving circuit 2 carry out load compensation.2 load compensation of the second pixel-driving circuit on same conducting wire 3 can
It is compensated by a load compensation unit 4, or is compensated by multiple load compensation units 4, on same conducting wire 3
Multiple load compensation units 4 that second pixel-driving circuit 2 carries out load compensation are known as one group of load compensation unit 4.Due to
Two driving areas settings in special-shaped display area, by load compensation unit 4 to second pixel-driving circuit 2 in the second driving area into
The load of row load compensation, the load and the first driving area that make the second driving area is consistent, and is solved due to special-shaped region picture
The quantity of the pixel-driving circuit of the quantity and normal region of plain driving circuit is inconsistent, cause the load of special-shaped area pixel with
The load of normal region is inconsistent, therefore shows the difference of color occur, influences the problem of showing quality.
In one embodiment of the invention, which further includes several scan lines, every group of load compensation unit 4 for pair
The second pixel-driving circuit 2 being connected in same scan line carries out load compensation.As conducting wire 3 can be to sweep in above-described embodiment
Line is retouched, includes multi-strip scanning line on driving backboard, wherein being respectively arranged with a plurality of sweep in the first driving area and the second driving area
Retouch line；Wherein, every scan line connects several the second pixel-driving circuits 2, and every group of load compensation unit 4 can be same to being connected to
The second pixel-driving circuit 2 in scan line carries out load compensation.It can be to the second pixel driver electricity of same scanning display
Road 2 carries out load compensation simultaneously, reduces the quantity of load compensation unit 4, simplifies technique, save the cost.
It is appreciated that conducting wire can be scan line or other signal wires etc., the present invention does not limit the concrete type of conducting wire
It is fixed.
In one embodiment of the invention, load compensation unit 4 includes the compensation knot for generating resistance and/or parasitic capacitance
Structure.Collocation structure for generating resistance can compensate the resistance of the second pixel-driving circuit 2, for generating parasitic electricity
The collocation structure of appearance can compensate the capacitor of the second pixel-driving circuit 2.By the way that the compensation for generating resistance is arranged
Structure and/or collocation structure for generating parasitic capacitance can resistance to the second pixel-driving circuit and/or capacitor carry out
Compensation makes resistance and/or the capacitor holding of the resistance and/or capacitor and the first pixel-driving circuit 1 of the second pixel-driving circuit 2
Unanimously, it solves since the quantity of the pixel-driving circuit of the quantity and normal region of special-shaped area pixel driving circuit is different
It causes, the load of the load and normal region that lead to special-shaped area pixel is inconsistent, therefore shows the difference of color occur, influences
The problem of showing quality.
It is appreciated that collocation structure can be the collocation structure for generating resistance, it can also be for for generating parasitic electricity
The collocation structure of appearance, or according to practical situation can be also the collocation structure for generating other parameters can guarantee the
In the case that the load in two driving areas and the load in the first driving area are consistent, the present invention to the concrete type of collocation structure not
It limits.
It is further appreciated that a part of in multiple groups load compensation unit 4 can only be collocation structure for generating resistance,
A part can only be the collocation structure for generating parasitic capacitance, and another part had both included the collocation structure for generating resistance
It again include collocation structure or multiple load compensation units 4 for generating parasitic capacitance had all both included for generating resistance
Collocation structure includes the collocation structure for generating parasitic capacitance again.Every group of load compensation list in multiple groups load compensation unit 4
The type for the collocation structure that member 4 includes can be the same or different, every group of load compensation list in multiple groups load compensation unit
The type for the collocation structure that member 4 includes can be adjusted according to practical situation, and the present invention is in multiple groups load compensation unit 4
The type of every group of load compensation unit 4 collocation structure for including be not construed as limiting.
In one embodiment of the invention, load compensation scanning element can be the collocation structure for generating resistance, for generating
The collocation structure of resistance is one of conducting wire that S-type, U-shaped and Z-type is arranged or multiple combinations.Load compensation scanning element is also
It can be the collocation structure for generating parasitic capacitance, which may include two pole plates, a pole of the collocation structure
Plate is one of conducting wire that S-type, U-shaped and Z-type is arranged or multiple combinations.Conducting wire herein can be one in scan line
Section.Collocation structure can be in the conducting wire of a variety of arrangements, different arrangement forms be different to the utilization rate in space, it is possible to provide different
Load compensation.
It is appreciated that the conducting wire as collocation structure can be S type, the arrangement of U-shaped and Z-type, it can also be other forms
Arrangement mode, in the case where the load and first that can guarantee the second driving area drive the load in area to be consistent, the present invention
The arrangement mode of conducting wire as collocation structure is not construed as limiting.
It is appreciated that collocation structure can be conducting wire, load compensation can also be carried out using other modes, such as compensate
Structure can be virtual pixel driving circuit, and the size of the virtual drive circuit is smaller than the ruler equal to normal driving circuit
Very little, which can carry out load compensation to the second driving area.The type of collocation structure is not limited to compensating wire and void
Quasi- pixel-driving circuit, specific load compensation mode can be adjusted according to practical situation, and the present invention is to collocation structure
Specific load compensation mode is not construed as limiting.
In one embodiment of the invention, load compensation unit 4 includes the collocation structure for generating resistance, and collocation structure can be
One section in conducting wire (scan line), and its width is greater than the width of remaining section in the conducting wire (scan line)；When load compensation list
Member 4 includes collocation structure for generating parasitic capacitance, which includes two pole plates, and two
A pole plate in a pole plate can be one section in conducting wire (scan line), and its width is greater than the width of remaining section in conducting wire.It is logical
It crosses and widens the width of a section lead (scan line) to increase the resistance and capacitor of this section, make this section for increasing width as generating
An electrode in the collocation structure of resistance and the collocation structure of generation parasitic capacitance, is not increasing extra cost and preparation process
On the basis of, realize load compensation, the load of the load and the first driving area that make the second driving area is consistent, to realize negative
Carry compensation.
In one embodiment of the invention, the second driving area includes that spaced first son driving area and the second son drive area,
At least one driving circuit in the first son driving area and at least one second pixel-driving circuit 2 in the second son driving area are connected to
Same conducting wire 3.Second driving area may be provided at special-shaped viewing area, such as driving backboard includes slotted zones, and slotted zones are abnormal shape
The two sides of slotted zones are arranged in viewing area, the first son driving area and the second son driving area.Due to the second pixel driver of slotted zones
Circuit 2 is less than the first pixel-driving circuit 1 of normal viewing area, causes the display brightness of slotted zones aobvious lower than normal viewing area
Show brightness, by the way that load compensation unit 4 is arranged in the second driving area, so that the load of slotted zones and normal viewing area is as far as possible
Be consistent, and then in maximum magnitude guarantee slotted zones and normal viewing area display effect, to mention high display quality.
It is appreciated that driving backboard may include that slotted zones may also include arcuate segments or circular hole region etc., the present invention is to drive
The concrete shape in dynamic backboard abnormal shape region is not construed as limiting.
Fig. 2 show another embodiment of the present invention provides a kind of driving backboard structural schematic diagram.
As shown in Fig. 2, the second pixel-driving circuit 2 is arranged in array, which includes rows and columns, along conducting wire 3
Extending direction at interval of preset quantity the second pixel-driving circuit 2, a load compensation unit 4 is set.Such as: the drive
Dynamic backboard includes three rows, six the second pixel-driving circuit of column 2, therefore every row includes six the second pixel-driving circuits 2, the first row
Six the second pixel-driving circuits two be one group, including first group, second group and third group, therefore first group and second
Group, second group load compensation unit 4 is provided between third group.Six the second pixel-driving circuits 2 of the second row can also
Two are one group, including the 4th group, the 5th group and the 6th group, therefore between the 4th group and the 5th group, the 5th group and the 6th group
It is provided with load compensation unit 4；Or second six the second pixel-driving circuits 2 of row can also be one group, including the 4th group
With the 5th group, therefore only need to be provided with load compensation unit 4 between the 4th group and the 5th group.In preset quantity second
Load compensation unit 4 is set between pixel-driving circuit 2, and preset quantity can be adjusted according to the actual situation, and not changed
In second pixel-driving circuit 2 in the case where the line width ratio of field effect transistor, the compensation way of load compensation unit 4 can be made
Diversification.
It is appreciated that the preset quantity of the colleague of the second pixel-driving circuit 2 side by side can be one, two or third, root
Preset quantity can be adjusted according to actual product and demand, the present invention is not construed as limiting the specific value of preset quantity.
The preset quantity of second pixel-driving circuit 2 of two adjacent rows can be identical or not identical, and the present invention is to adjacent two
The load compensation unit 4 of the second pixel-driving circuit of row 2 whether be oppositely arranged position identical and be not construed as limiting.
It include the first driving thin film transistor (TFT) in one embodiment of the invention, in the first pixel-driving circuit 1, the second pixel is driven
It include the second driving thin film transistor (TFT) in dynamic circuit 2, along the extending direction of conducting wire 3, between two neighboring load compensation unit 4
The distance of two second adjacent driving thin film transistor (TFT)s is less than the distance of two first adjacent driving thin film transistor (TFT)s.By two
The distance between second driving transistor in a load compensation unit 4 shortens, and is capable of providing more spaces to load compensation
Unit 4, the more load compensation units 4 of setting, can provide more load compensations in enough spaces, make the second driving area and
The load in the first driving area is consistent as far as possible, to improve display effect.
It is appreciated that two neighboring load compensation unit 4 between adjacent two second drive thin film transistor (TFT) away from
It is adjacent between two neighboring load compensation unit 4 from can be less than with a distance from two first adjacent driving thin film transistor (TFT)s
The distances of two second driving thin film transistor (TFT)s can also be greater than the distances of adjacent two first drivings thin film transistor (TFT), this
Invention drives the distance and adjacent two of thin film transistor (TFT) to adjacent two second between two neighboring load compensation unit 4
Whether the distance of a first driving thin film transistor (TFT) is equal to be not construed as limiting.
In one embodiment of the invention, the first pixel-driving circuit 1 includes the first driving thin film transistor (TFT), the second pixel driver
Circuit 2 includes the second driving thin film transistor (TFT), and the size of the second driving thin film transistor (TFT) is less than the first driving thin film transistor (TFT)
The line width of size, the second driving thin film transistor (TFT) and the first driving thin film transistor (TFT) is than identical.Second driving in special-shaped area is thin
The size reduction of film transistor can save space load compensation unit 4 is arranged.Film crystal pipeline is driven in guarantee second
Width is than by the more of the size reduction of the second driving thin film transistor (TFT), leaving the space of load compensation unit 4 on the basis of constant
It is bigger, the load compensation unit 4 for being capable of providing more load compensations can be set, so that the first driving area and second be made to drive area
Load be consistent as far as possible, and then in maximum magnitude guarantee first driving area and second driving area display effect,
Mention high display quality.
It is appreciated that the size of the second driving thin film transistor (TFT) is smaller than the size of the first driving thin film transistor (TFT), or
It is brilliant that a part second in multiple second driving thin film transistor (TFT)s drives the size of thin film transistor (TFT) to be smaller than the first driving film
The size of the size of body pipe, the driving thin film transistor (TFT) of another part second can be equal to the size of the first driving thin film transistor (TFT).It is more
The size of a second driving thin film transistor (TFT) can be equal or unequal, and the size of the second driving thin film transistor (TFT) can basis
Actual product and demand are adjusted, and whether the present invention is equal to the size of multiple second driving thin film transistor (TFT)s, Duo Ge
Two driving thin film transistor (TFT)s size whether less than first driving thin film transistor (TFT) size be not construed as limiting.
It include the first driving thin film transistor (TFT) in one embodiment of the invention, in the first pixel-driving circuit 1, the second pixel is driven
It include the second driving thin film transistor (TFT) in dynamic circuit 2, along the extending direction of the conducting wire 3, the ruler of the second driving thin film transistor (TFT)
The very little size less than the first driving thin film transistor (TFT), and the line width of the second driving thin film transistor (TFT) and the first driving thin film transistor (TFT)
Than identical.The line width ratio of second driving thin film transistor (TFT) and the first driving thin film transistor (TFT) is arranged to identical, it is ensured that
The driving effect of second pixel-driving circuit 2 does not influence display effect, by the size of the second driving thin film transistor (TFT) less than first
The size for driving thin film transistor (TFT) can save space setting load compensation unit 4, and then can be in load compensation unit 4
Load compensation structure is set, solves the quantity due to special-shaped area pixel driving circuit and the pixel-driving circuit of normal region
Quantity it is inconsistent, the load of the load and normal region that lead to special-shaped area pixel is inconsistent, thus show on there is color
Difference, influence show quality the problem of.
In one embodiment of the invention, a kind of display device includes any driving backboard in above-described embodiment, this is aobvious
Showing device further includes the first viewing area and the second viewing area, and the first viewing area may be provided at the normal viewing area of display device, the
One viewing area may include multiple first pixels；Second viewing area may be provided at the special-shaped viewing area of display device, the second display dress
It sets including multiple second pixels.Wherein, the first pixel-driving circuit 1 drives the first pixel light emission, and the second pixel-driving circuit 2 drives
Dynamic second pixel light emission.Since the second pixel-driving circuit 2 includes load compensation unit 4, the compensation in the load compensation unit 4
Scan line 4 or virtual pixel driving circuit etc. carry out load compensation to the second pixel-driving circuit 2, so that the second pixel driver is electric
The load on road 2 and the first pixel-driving circuit 1 are consistent, therefore the second pixel of the second pixel-driving circuit 2 driving is bright
Degree is identical with the brightness of the first pixel that the first pixel-driving circuit 1 drives, therefore improves display quality.
It is appreciated that the display device can show that equipment etc., the present invention fill display for mobile phone, computer or vehicle electronics
The concrete application set is not construed as limiting.
In one embodiment of the invention, the Pixel Dimensions of the Pixel Dimensions of the first pixel and the second pixel are equal.Although second
The size of pixel-driving circuit 2 less than the first pixel-driving circuit 1 size, but by the Pixel Dimensions of the first pixel and the second picture
The Pixel Dimensions of element are arranged to equal, prevent black line occur when display, guarantee the homogeneity that display device is shown.
It is appreciated that the Pixel Dimensions of the first pixel and the Pixel Dimensions of the second pixel can be set according to practical situation
Fixed, the present invention is not construed as limiting the specific value of the Pixel Dimensions of the first pixel and the Pixel Dimensions of the second pixel.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, made any modification, equivalent replacement etc. be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of driving backboard characterized by comprising
First driving area, including multiple first pixel-driving circuits；
Second driving area, including multiple second pixel-driving circuits and at least one set of load compensation unit, every group of load compensation list
Member includes at least one load compensation unit, and load compensation unit described in every group is used for described the be connected on same conducting wire
Two pixel-driving circuits carry out load compensation.
2. driving backboard according to claim 1, which is characterized in that the driving backboard further includes several scan lines,
Load compensation unit described in every group is for carrying out load benefit to second pixel-driving circuit being connected in same scan line
It repays.
3. driving backboard according to claim 1, which is characterized in that the load compensation unit includes for generating resistance
And/or the collocation structure of parasitic capacitance.
4. driving backboard according to claim 3, which is characterized in that the load compensation unit is for generating resistance
Collocation structure, the collocation structure for generating resistance are one of conducting wire that S-type, U-shaped and Z-type is arranged or a variety of
Combination；And/or
The load compensation unit is the collocation structure for generating parasitic capacitance, and the collocation structure includes two pole plates, institute
Stating a pole plate in two pole plates is one of conducting wire that S-type, U-shaped and Z-type is arranged or a variety of combinations；
Preferably, the conducting wire is one section in scan line.
5. driving backboard according to claim 3, which is characterized in that the load compensation unit includes for generating resistance
Collocation structure, the collocation structure for generating resistance is one section in the conducting wire, and its width is greater than described lead
The width of remaining in line section；
The load compensation unit is the collocation structure for generating parasitic capacitance, described for generating the compensation knot of parasitic capacitance
Structure includes two pole plates, and a pole plate in described two pole plates is one section in the conducting wire, and its width is greater than described lead
The width of remaining in line section.
6. driving backboard according to claim 1, which is characterized in that second driving area includes spaced first
Son drives area and the second son driving area, positioned at least one second pixel-driving circuit in the first son driving area and positioned at institute
At least one second pixel-driving circuit for stating the second son driving area is connected to the same conducting wire；
Preferably, the driving backboard includes slotted zones, and the slotted zones are located at first son driving area and the second son driving
Between area.
7. driving backboard according to claim 1, which is characterized in that along the extending direction of the conducting wire, at interval of default
A load compensation unit is arranged in quantity second pixel-driving circuit.
8. driving backboard according to claim 7, which is characterized in that include the first drive in first pixel-driving circuit
Thin film transistor (TFT) is moved, includes the second driving thin film transistor (TFT) in second pixel-driving circuit；
Wherein, adjacent two described between the extending direction of the conducting wire, the two neighboring load compensation unit
The distance of two driving thin film transistor (TFT)s is less than the distance of the two neighboring first driving thin film transistor (TFT).
9. driving backboard according to claim 1, which is characterized in that include the first drive in first pixel-driving circuit
Thin film transistor (TFT) is moved, includes the second driving thin film transistor (TFT) in second pixel-driving circuit；
Wherein, the size of the second driving thin film transistor (TFT) is less than the size of the first driving thin film transistor (TFT)；And/or
The line width of the second driving thin film transistor (TFT) and the first driving thin film transistor (TFT) is than identical.
10. a kind of display device characterized by comprising
Any driving backboard of the claims 1-9；
First viewing area, including multiple first pixels；And
Second viewing area, including multiple second pixels；
Wherein, the first pixel-driving circuit drives first pixel light emission, the second pixel-driving circuit in the driving backboard
Drive second pixel light emission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910253248.1A CN109767718B (en) | 2019-03-29 | 2019-03-29 | Driving back plate and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910253248.1A CN109767718B (en) | 2019-03-29 | 2019-03-29 | Driving back plate and display device |
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| CN109767718A true CN109767718A (en) | 2019-05-17 |
| CN109767718B CN109767718B (en) | 2022-03-01 |
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| CN111429843A (en) * | 2020-04-30 | 2020-07-17 | 京东方科技集团股份有限公司 | Display substrate and display device |
| WO2021164525A1 (en) * | 2020-02-17 | 2021-08-26 | 京东方科技集团股份有限公司 | Display substrate and driving method therefor, and display device |
| CN113838383A (en) * | 2020-06-05 | 2021-12-24 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN115050304A (en) * | 2022-07-26 | 2022-09-13 | 武汉天马微电子有限公司 | Display panel and display device |
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