CN108538245A - A kind of driving method of display panel, display panel and display device - Google Patents
A kind of driving method of display panel, display panel and display device Download PDFInfo
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- CN108538245A CN108538245A CN201810539267.6A CN201810539267A CN108538245A CN 108538245 A CN108538245 A CN 108538245A CN 201810539267 A CN201810539267 A CN 201810539267A CN 108538245 A CN108538245 A CN 108538245A
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- 230000003252 repetitive effect Effects 0.000 claims abstract description 43
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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Abstract
An embodiment of the present invention provides a kind of driving method of display panel, display panel and display devices, are related to display technology field, improve the service life matching degree of the sub-pixel of different colours.Display panel includes multiple repetitive units, and repetitive unit includes first kind sub-pixel, shares sub-pixel and the second class sub-pixel；It shares sub-pixel and constitutes the first pixel unit with first kind sub-pixel, share sub-pixel and the second class sub-pixel constitutes the second pixel unit；Drive cycle includes charge period and light emitting control period, and method includes：In charge period, to first kind sub-pixel, sub-pixel and the second class sub-pixel write-in data-signal are shared；In the light emitting control period, driving first kind sub-pixel, shared sub-pixel and the second class sub-pixel shine under the action of corresponding data-signal；The luminous duration for sharing sub-pixel is less than the luminous duration of any sub-pixel in first kind sub-pixel and the second class sub-pixel.The above method is shown for driving display panel to carry out picture.
Description
【Technical field】
The present invention relates to a kind of display technology field more particularly to driving method of display panel, display panel and displays
Device.
【Background technology】
For traditional liquid crystal display device, Organic Light Emitting Diode (Organic Light-Emitting
Diode, hereinafter referred to as OLED) display device has many advantages, such as wide colour gamut, high contrast, it is more and more widely used.
OLED display includes display panel, and display panel includes the sub-pixel of multiple color, and each sub-pixel includes
Organic Light Emitting Diode, the Organic Light Emitting Diode are used to send out the light of corresponding color.In general, Organic Light Emitting Diode includes sun
Pole, luminescent layer and cathode, since the material of the luminescent layer of the sub-pixel of different colours is different, the sub-pixel of different colours
Luminescent lifetime is also just different.Based at present to the type of drive of sub-pixel, the service life of the sub-pixel of different colours in display panel
Matching degree is not high, and the life time decay that this may result in part sub-pixel is too fast, and then affects the service life of display panel.
【Invention content】
In view of this, an embodiment of the present invention provides a kind of driving method of display panel, display panel and display device,
To improve the service life matching degree of the sub-pixel of different colours in display panel, and then the picture for improving display panel shows matter
The service life of amount and display panel.
On the one hand, an embodiment of the present invention provides a kind of driving method of display panel, the display panel includes multiple
Repetitive unit, each repetitive unit include first kind sub-pixel, share sub-pixel and the second class sub-pixel；Wherein, described
It shares sub-pixel and constitutes the first pixel unit, the shared sub-pixel and the second class sub-pixel with the first kind sub-pixel
Constitute the second pixel unit；
One drive cycle of the display panel includes charge period and light emitting control period, the driving of the display panel
Method includes：
In the charge period, write to the first kind sub-pixel, the shared sub-pixel and the second class sub-pixel
Enter and its corresponding data-signal；
In the light emitting control period, the first kind sub-pixel, the shared sub-pixel and second class are driven
Pixel shines under the action of corresponding data-signal；Wherein, the luminous duration of the shared sub-pixel is less than the first kind
The luminous duration of any sub-pixel in sub-pixel and the second class sub-pixel.
On the other hand, an embodiment of the present invention provides a kind of display panel, the display panel includes multiple repetitive units,
Each repetitive unit includes first kind sub-pixel, shares sub-pixel and the second class sub-pixel；Wherein, the shared sub-pixel
The first pixel unit is constituted with the first kind sub-pixel, the shared sub-pixel constitutes the second picture with the second class sub-pixel
Plain unit；
The display panel further includes control unit, and described control unit is used for：In charge period, to first kind
Pixel, the shared sub-pixel and the second class sub-pixel write-in and its corresponding data-signal；
In the light emitting control period, the first kind sub-pixel, the shared sub-pixel and the second class sub-pixel are driven
It shines under the action of corresponding data-signal；Wherein, the luminous duration of the shared blue subpixels is less than the first kind
The luminous duration of any sub-pixel in sub-pixel and the second class sub-pixel.
In another aspect, an embodiment of the present invention provides a kind of display device, the display device includes above-mentioned display panel.
A technical solution in above-mentioned technical proposal has the advantages that：
In the technical solution that the embodiment of the present invention is provided, by individually being controlled to the luminous duration for sharing sub-pixel
System, can reduce luminous duration of the shared sub-pixel in a frame time, and the luminous duration for sharing sub-pixel is made to be less than the first kind
The luminous duration of any sub-pixel in sub-pixel and the second class sub-pixel.For sharing for sub-pixel, in a frame time, altogether
Shorter with the luminous duration of sub-pixel, the life consumption for sharing sub-pixel is also slower.Therefore, sub-pixel is shared by reduction
Luminous duration, the speed of the life consumption of shared sub-pixel can be slowed down, so as to shorten the service life of shared sub-pixel and first
Aging variation between class sub-pixel, the second class sub-pixel.On the one hand avoid that sub-pixel life time decay is too fast is led by sharing
The picture color of the display of cause deviates the problem of its standard value, improves the display quality of the picture of display panel, on the other hand
The service life of display panel can also be improved.
【Description of the drawings】
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram for the display panel that the embodiment of the present invention is provided；
Fig. 2 is the structural schematic diagram for the repetitive unit that the embodiment of the present invention is provided；
Fig. 3 is the flow chart of the driving method for the display panel that the embodiment of the present invention is provided
Fig. 4 is a kind of structural schematic diagram of pixel circuit involved by the embodiment of the present invention；
Fig. 5 is the signal timing diagram corresponding to Fig. 4；
Fig. 6 is that first kind sub-pixel, the second class sub-pixel and shared sub-pixel that the embodiment of the present invention is provided are corresponding
The signal timing diagram of LED control signal；
Fig. 7 is another signal sequence for the corresponding LED control signal of shared sub-pixel that the embodiment of the present invention is provided
Figure；
Fig. 8 is the structural schematic diagram for the shared sub-pixel that the embodiment of the present invention is provided；
Fig. 9 is another structural schematic diagram for the shared sub-pixel that the embodiment of the present invention is provided；
Figure 10 is the area occupied schematic diagram of repetitive unit in the prior art；
Figure 11 is the area occupied schematic diagram for the repetitive unit that the embodiment of the present invention is provided；
Figure 12 is the repetitive unit sub-pixel arrangement schematic diagram that the embodiment of the present invention is provided；
Figure 13 is another pixel arrangement schematic diagram in the repetitive unit that the embodiment of the present invention is provided；
Figure 14 is another pixel arrangement schematic diagram in the repetitive unit that the embodiment of the present invention is provided；
Figure 15 is another pixel arrangement schematic diagram in the repetitive unit that the embodiment of the present invention is provided；
Figure 16 is another pixel arrangement schematic diagram in the repetitive unit that the embodiment of the present invention is provided；
Figure 17 is the structural schematic diagram for the display device that the embodiment of the present invention is provided.
【Specific implementation mode】
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention below in conjunction with the accompanying drawings
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is the purpose only merely for description specific embodiment, is not intended to be limiting
The present invention.In the embodiment of the present invention and "an" of singulative used in the attached claims, " described " and "the"
It is also intended to including most forms, unless context clearly shows that other meanings.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation of description affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate：Individualism A, exists simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
It will be appreciated that though in embodiments of the present invention pixel unit, but this may be described using term first, second
A little pixel units should not necessarily be limited by these terms.These terms are only used for pixel unit being distinguished from each other out.For example, not departing from this
In the case of inventive embodiments range, the first pixel unit can also be referred to as the second pixel unit, similarly, the second pixel list
Member can also be referred to as the first pixel unit.
An embodiment of the present invention provides a kind of driving method of display panel, the driving method of the display panel is applied to figure
1 and display panel shown in Fig. 2 in, wherein the structural schematic diagram for the display panel that Fig. 1 is provided by the embodiment of the present invention, Fig. 2
By the structural schematic diagram for the repetitive unit that the embodiment of the present invention provides.The display panel includes multiple heavy combined with Figure 1 and Figure 2,
Multiple unit 1, each repetitive unit 1 include first kind sub-pixel 2, share 3 and second class sub-pixel 4 of sub-pixel；Wherein, son is shared
Pixel 3 constitutes the first pixel unit 5 with first kind sub-pixel 2, shares 3 and second class sub-pixel 4 of sub-pixel and constitutes the second pixel
Unit 6.
It should be noted that in the sub-pixel of multiple color included by a repetitive unit 1, due to different colours
The material of the luminescent layer of pixel is different, thus the service life of different colours sub-pixel is different, and above-mentioned shared sub-pixel 3 refers to by shining
Service life caused by layer material characteristic minimum sub-pixel.Include red sub-pixel, green sub-pixels and blue with repetitive unit 1
For sub-pixel, since blue subpixels are minimum compared to red sub-pixel and green sub-pixels service life, repetitive unit 1
In to share sub-pixel 3 be blue subpixels, first kind sub-pixel 2 and the second class sub-pixel 4 include red sub-pixel and green
Pixel.
A drive cycle of display panel includes charge period and light emitting control period combined with Figure 1 and Figure 2, such as Fig. 3 institutes
Show, the flow chart of the driving method for the display panel that Fig. 3 is provided by the embodiment of the present invention, the driving method packet of display panel
It includes：
Step S1：In charge period, to first kind sub-pixel 2, the write-in of 3 and second class sub-pixel 4 of sub-pixel and its are shared
Corresponding data-signal.
Step S2：In the light emitting control period, driving first kind sub-pixel 2, shared 3 and second class sub-pixel 4 of sub-pixel exist
It shines under the action of corresponding data-signal；Wherein, the luminous duration for sharing sub-pixel 3 is less than first kind sub-pixel 2 and second
The luminous duration of any sub-pixel in class sub-pixel 4.
In the driving method for the display panel that the embodiment of the present invention is provided, by share sub-pixel 3 it is luminous when
Length is individually controlled, and luminous duration of the shared sub-pixel 3 in a frame time can be reduced, and makes to share shining for sub-pixel 3
Duration is less than the luminous duration of any sub-pixel in first kind sub-pixel 2 and the second class sub-pixel 4.For sharing sub-pixel
It says, in a frame time, the luminous duration for sharing sub-pixel is shorter, and the life consumption for sharing sub-pixel is also slower.Therefore,
The luminous duration that sub-pixel 3 is shared by reduction, can slow down the speed of the life consumption of shared sub-pixel 3, so as to shorten altogether
With the aging variation between the service life of sub-pixel 3 and first kind sub-pixel 2, the second class sub-pixel 4.
It is with the sub-pixel of four kinds of red sub-pixel, green sub-pixels, blue subpixels and white sub-pixels colors below
Example, when shared sub-pixel 3 is blue subpixels, in conjunction with table 1, to the luminous durations of shortening blue subpixels in different samples it
The service life that blue subpixels can be improved afterwards illustrates：
Table 1
Wherein, for the light modulation in table 1 than indicating in the light emitting control period, the luminous duration of sub-pixel accounts for the light emitting control period
Duration percentage, LT95 indicates that intrinsic brilliance value decays to service life of corresponding sub-pixel when the 95% of normal brightness value.
According to table 1 as can be seen that when light modulation ratio is 100%, that is, sub-pixel continuous illumination within the light emitting control period
When, the numerical value of the corresponding LT95 of blue subpixels will be much smaller than the numerical value of the corresponding LT95 of other color sub-pixels, at this point, blue
Aging variation between sub-pixel and other color sub-pixels is very big.But by the way that the light modulation ratio of blue subpixels is turned down,
When exactly shortening luminous duration of the blue subpixels within the light emitting control period, the numerical value of the corresponding LT95 of blue subpixels carries
Height, that is, the service life of blue subpixels improve, and then shorten the longevity between blue subpixels and other color sub-pixels
Order gap.
Therefore, the driving method of the display panel provided using the embodiment of the present invention can improve shared sub-pixel 3
Service life avoids 3 life time decay of shared sub-pixel too fast, to improve the service life of the sub-pixel of different colours in display panel
With degree, the picture color on the one hand avoiding the display caused by shared 3 life time decay of sub-pixel is too fast deviates its standard value
The problem of, the display quality of picture is improved, the service life of display panel on the other hand can also be improved.
It is understood that each sub-pixel includes the pixel circuit and light-emitting component of electrical connection.In the hair to sub-pixel
Before light time long control principle illustrates, below by taking " 7T1C " pixel circuit shown in Fig. 4 as an example, in conjunction with letter shown in fig. 5
Number sequence diagram, is first described in detail the operation principle of pixel circuit：
Pixel circuit includes the capacitance C and thin film transistor (TFT) T7 of first film transistor T1~the 7th, wherein the 5th is thin
The grid of film transistor T5 and the 7th thin film transistor (TFT) T7 are connected with the first scan line Scan1 respectively, the second thin film transistor (TFT) T2
It is connected respectively with the second scan line Scan2 with the grid of the 4th thin film transistor (TFT) T4, first film transistor T1 and the 6th film
The grid of transistor T6 is connected with LED control signal line Emit respectively.The first pole of first film transistor T1 and supply voltage
Signal wire PVDD is connected, and the first pole of the second thin film transistor (TFT) T2 is connected with data line Data, and the of the 5th thin film transistor (TFT) T5
One pole and the first pole of the 11st thin film transistor (TFT) are connected with reference voltage line Vref respectively.
One drive cycle of pixel circuit includes initialization period t1, the charge period t2 (drivings of corresponding display panel
Charge period in period) and light emitting control period t3 (the light emitting control period in the drive cycle of corresponding display panel).
Low level, the second scan line Scan2 and light emitting control letter are provided in initialization period t1, the first scan line Scan1
Number line Emit provides high level respectively, and (for convenience of understanding, the signal for providing unlike signal line in Fig. 5 is respectively with corresponding
Label indicates), the 5th thin film transistor (TFT) T5 and the 7th thin film transistor (TFT) T7 conductings are controlled, is provided using reference voltage line Vref
Reference voltage signal resets the anode of light emitting diode D.
High level is provided respectively in charge period t2, the first scan line Scan1 and LED control signal line Emit, and second sweeps
It retouches line Scan2 and low level is provided, control the second thin film transistor (TFT) T2 and the 4th thin film transistor (TFT) T4 conductings, data line Data write-ins
Data-signal.
High level is provided respectively in light emitting control period t3, the first scan line Scan1 and the second scan line Scan2, is passed through
LED control signal line Emit provides the luminous duration of low level duration control light emitting diode D.Illustratively, please join again
See that Fig. 5, LED control signal line Emit provide low level in the period lasts, controls first film transistor T1 and the 6th film
Transistor T6 constant conductions, the power supply that driving light emitting diode D is provided in the data-signal and power signal line PVDD of write-in
Continuous illumination under the action of signal.
It is understood that if the thin film transistor (TFT) T7 of first film transistor T1~the 7th are P-type TFT,
Light emitting control period t3, the significant level that LED control signal line Emit is provided are low level, that is, LED control signal line Emit
When providing low level, light emitting diode D shines, and when LED control signal line Emit provides high level, light emitting diode D is not sent out
Light.If the thin film transistor (TFT) T7 of first film transistor T1~the 7th are N-type TFT, in light emitting control period t3, hair
The significant level that optical control signal line Emit is provided is high level, that is, when LED control signal line Emit provides high level, is shone
Diode D shines, and when LED control signal line Emit provides low level, light emitting diode D does not shine.
In conjunction with the driving principle of above-mentioned pixel circuit, optionally, as shown in fig. 6, what Fig. 6 was provided by the embodiment of the present invention
The signal timing diagram of first kind sub-pixel, the second class sub-pixel and the corresponding LED control signal of shared sub-pixel, driving first
The process that class sub-pixel 2 and the second class sub-pixel 4 shine may include：Driving first kind sub-pixel 2 and the second class sub-pixel 4 are being sent out
Photocontrol period t3 shines.At this point, first kind sub-pixel 2 and 4 corresponding LED control signal line of the second class sub-pixel are shining
Control time t3 persistently provides significant level and (indicates that first kind sub-pixel 2 and the second class sub-pixel 4 are corresponding with Emit1 in Fig. 6
LED control signal).Under this kind of type of drive, first kind sub-pixel 2 and the second class sub-pixel 4 are held in light emitting control period t3
Continuous property shines.
For sharing sub-pixel 3, light emitting control period t3 includes multiple alternate light-emitting period t31 and non-luminous period
t32；Driving shares the luminous process of sub-pixel 3：In non-luminous period t32, drives shared sub-pixel 3 not shine, sending out
Light time section t31, drives shared sub-pixel 3 to shine.That is, sharing 3 corresponding LED control signal line of sub-pixel in light emitting control
The light-emitting period t31 of section t3 provides significant level, and providing non-effective level in non-luminous period t32 (is indicated in Fig. 6 with Emit2
Share 3 corresponding LED control signal of sub-pixel).
Compared to the driving for enabling light emitting control period t3 only include a light-emitting period t31 and a non-luminous period t32
Mode, it includes multiple alternate light-emitting period t31 and non-luminous period t32 to enable light emitting control period t3, and son is shared reducing
Pixel 3 shines under the premise of duration, since the duration of each light-emitting period t31 and non-luminous period t32 is shorter, it is thus possible to
So that the discontinuity in light emitting control period t3 of shared sub-pixel 3 is shone, avoids shared sub-pixel 3 and do not shine for a long time to picture
It is normal display impact.
Optionally, for sharing sub-pixel 3, to reduce the complexity of control process, operability is improved, referring again to
Fig. 6 can enable the duration of each light-emitting period t31 in the light emitting control period be equal.
It should be noted that for a shared sub-pixel 3, this shares sub-pixel 3 should be with first kind sub-pixel 2
The first pixel unit 5 is constituted, also to constitute the second pixel unit 6 with the second class sub-pixel 4, therefore, this shares sub-pixel 3 and needs
Undertake total light emission luminance of the light of the corresponding color needed for 6 two pixel units of the first pixel unit 5 and the second pixel unit.
Illustratively, when shared sub-pixel 3 is blue subpixels, which is
The sum of the blue light brightness needed for blue light brightness and the second pixel unit 6 needed for first pixel unit 5.
Optionally, as shown in fig. 7, Fig. 7 is believed by the 3 corresponding light emitting control of shared sub-pixel that the embodiment of the present invention provides
Number another signal timing diagram, for share sub-pixel 3, multiple light-emitting period t31 included at least one first sub- period
T311 and at least one second sub- period t312, the duration of each first sub- period t311 is equal, each second sub- time
The duration of section t312 is equal, and the duration of the duration of the first sub- period t311 and the second sub- period t312 differ.
Under this kind of type of drive, share sub-pixel 3 in light emitting control period t3 can timesharing show the first pixel unit 5
The light emission luminance of the light of corresponding color needed for the light emission luminance of the light of required corresponding color and the second pixel unit 6.For example,
The light emission luminance of the light of the corresponding color needed for the first pixel unit 5 is presented in shared sub-pixel 3 in the first sub- period t311,
The light emission luminance of the light of the corresponding color needed for the second pixel unit 6 is presented in the second sub- period t312.
It should be noted that above-mentioned 3 timesharing of shared sub-pixel shows the light of the corresponding color needed for the first pixel unit 5
The light emission luminance of the light of corresponding color needed for light emission luminance and the second pixel unit 6 only represents and shares sub-pixel 3 in the control that shines
Timesharing shows the corresponding light emission luminance of two pixel units in period t3 processed, and not representing restriction, each shared sub-pixel 3 exists
5 corresponding light emission luminance of the first pixel unit is shown in first time period, shows that the second pixel unit 6 is right in second time period
The light emission luminance answered, or, limit each shared sub-pixel 3 shows 6 corresponding hair of the second pixel unit in first time period
Brightness shows 5 corresponding light emission luminance of the first pixel unit in second time period.In fact, for different shared sons
Pixel 3, partial common sub-pixel 3 show that 5 corresponding light emission luminance of the first pixel unit can be to be shown in first time period
Brightness, and another part share sub-pixel 3 show 5 corresponding light emission luminance of the first pixel unit may be in the second time
The brightness shown in section.
Also, the total duration of the first sub- period t311 and the total duration of the second sub- period t312 can be according to actual demands
It is defined, in practical applications, the total duration of the first sub- period t311 can be enabled total more than the second sub- period t312
Duration can also enable the total duration of the first sub- period t311 be less than the total duration of the second sub- period t312, can also enable the
The total duration of one sub- period t311 is equal to the total duration of the second sub- period t312, and the embodiment of the present invention does not limit this specifically
It is fixed.
In addition it is also necessary to explanation, although share sub-pixel 3 in light emitting control period t3 can timesharing show two pictures
The corresponding light emission luminance of plain unit still in entire light emitting control period t3, shares the entirety that sub-pixel 3 is showed
Brightness needs the total of the light for being equal to the corresponding color needed for 6 two pixel units of the first pixel unit 5 and the second pixel unit
Light emission luminance.
Optionally, as shown in figure 8, the structural schematic diagram for the shared sub-pixel that Fig. 8 is provided by the embodiment of the present invention, shares
Sub-pixel 3 includes the first pixel circuit 7 and the first light-emitting component 8, the anode electricity of the first pixel circuit 7 and the first light-emitting component 8
Connection.Wherein, the concrete structure of the first pixel circuit 7 can be identical with the structure of pixel circuit shown in Fig. 4, can not also
Together, the structure of the first pixel circuit 7 can be set according to actual demand, and the embodiment of the present invention is not specifically limited this；The
One light-emitting component 8 can be Organic Light Emitting Diode.
When shared sub-pixel 3 includes the first pixel circuit 7 and the first light-emitting component 8, in light-emitting period t31, driving is altogether
Include with the luminous process of sub-pixel 3：In light-emitting period t31, the LED control signal provided to the first pixel circuit 7 is enabled
Level makes the first pixel circuit 7 generate the first driving current under the action of the first data-signal that charge period is previously written,
First light-emitting component 8 receives the first driving current, and shines under the action of the first driving current.
It needs to undertake needed for 6 two pixel units of the first pixel unit 5 and the second pixel unit due to sharing sub-pixel 3
Therefore total light emission luminance of the light of corresponding color in one timing of luminous duration for sharing sub-pixel 3, shares sub-pixel 3 the
The brightness showed under the action of one driving current is the light emission luminance of the light of the corresponding color needed for two pixel units
Sum.
Optionally, as shown in figure 9, another structural representation for the shared sub-pixel that Fig. 9 is provided by the embodiment of the present invention
Figure shares sub-pixel 3 and may include the second pixel circuit 9, third pixel circuit 10 and the second light-emitting component 11, the second pixel circuit
9 and third pixel circuit 10 be electrically connected respectively with the anode of the second light-emitting component 11.Wherein, the second pixel circuit 9 and third picture
The concrete structure of plain circuit 10 can be identical with the structure of pixel circuit shown in Fig. 4, can also be different, the second pixel circuit 9
It can be set according to actual demand with the structure of third pixel circuit 10, the embodiment of the present invention is not specifically limited this；The
Two light emitting 11 can be Organic Light Emitting Diode.
When shared sub-pixel 3 includes the second pixel circuit 9, third pixel circuit 10 and the second light-emitting component 11, sending out
Light time section t31, the process for driving shared sub-pixel 3 luminous include：In light-emitting period t31, to the hair of the second pixel circuit 9 offer
Optical control signal is enabled level, makes the second pixel circuit 9 under the action of the second data-signal that charge period is previously written
Generate the second driving current；The LED control signal provided to third pixel circuit 10 is enabled level, makes third pixel circuit
10 generate third driving current under the action of the third data-signal that charge period is previously written；Second light-emitting component 11 is simultaneously
The second driving current and third driving current are received, and is shone under the action of the second driving current and third driving current.
It is understood that when shared sub-pixel 3 includes the second pixel circuit 9 and third pixel circuit 10, the second picture
Plain circuit 9 and third pixel circuit 10 are connected with a data line respectively.Also, it needs to undertake first due to sharing sub-pixel 3
Total light emission luminance of the light of corresponding color needed for 6 two pixel units of pixel unit 5 and the second pixel unit, therefore,
One timing of luminous duration for sharing sub-pixel 3 shares effect of the sub-pixel 3 in the sum of the second driving current and third driving current
Under the brightness that shows need to be equal to the sum of the light emission luminance of light of corresponding color needed for two pixel units.
The embodiment of the present invention additionally provides a kind of display panel, and referring again to Fig. 1 and Fig. 2, which includes more
A repetitive unit 1, each repetitive unit 1 include first kind sub-pixel 2, share 3 and second class sub-pixel 4 of sub-pixel；Wherein, altogether
The first pixel unit 5 is constituted with sub-pixel 3 and first kind sub-pixel 2,3 and second class sub-pixel 4 of sub-pixel is shared and constitutes second
Pixel unit 6.
In addition, display panel further includes control unit (not shown), control unit is used for：In charge period, to
A kind of sub-pixel 2 shares the write-in of 3 and second class sub-pixel 4 of sub-pixel and its corresponding data-signal；In light emitting control
Section, driving first kind sub-pixel 2, shared 3 and second class sub-pixel 4 of sub-pixel shine under the action of corresponding data-signal；
Wherein, the luminous duration for sharing blue subpixels is less than the hair of any sub-pixel in first kind sub-pixel 2 and the second class sub-pixel 4
Light time is long.
It should be noted that above-mentioned control unit specifically may include driving chip and multiple cascade light emitting control electricity
Road, wherein driving chip is connected by data line with first kind sub-pixel 2, shared 3 and second class sub-pixel 4 of sub-pixel, is being filled
Electric period, driving chip provide data-signal, and data-signal is via in data line transfer to corresponding sub-pixel.Light emitting control electricity
Road is connected by LED control signal line with first kind sub-pixel 2, shared 3 and second class sub-pixel 4 of sub-pixel, in light emitting control
Period, emission control circuit export LED control signal, and LED control signal is transmitted to corresponding via LED control signal line
In sub-pixel.
The display panel provided using the embodiment of the present invention is shared the luminous duration of sub-pixel 3 by reduction, can subtracted
The speed of the life consumption of slow shared sub-pixel 3, the service life so as to shorten shared sub-pixel 3 and first kind sub-pixel 2, second
Aging variation between class sub-pixel 4 improves the service life matching degree of different subpixel in display panel, on the one hand can avoid
The problem of picture color of display caused by shared 3 life time decay of sub-pixel is too fast deviates its standard value, improve picture
It shows quality, on the other hand can also improve the service life of display panel.
Further, it is to be appreciated that in display panel, each sub-pixel corresponds to an open region, the open region
For the light-emitting zone of sub-pixel.It is shared by the first pixel unit 5 and the second pixel unit 6 due to sharing sub-pixel 3, this is total
Area with sub-pixel 3 is larger, and the area of corresponding open region is also just larger.It is identical in required display brightness, altogether
Area with the open region of sub-pixel 3 is bigger, then the light emission luminance corresponding to unit area is lower, therefore by sharing sub-pixel
3 current density is just smaller, thereby reduces possibility of the driving current to device breakdown in shared sub-pixel 3, so as to
Extend the service life for sharing sub-pixel 3 to a certain extent.
Further, as shown in Figure 10, Figure 10 is the area occupied schematic diagram of repetitive unit in the prior art, with display surface
For plate includes red sub-pixel, green sub-pixels and blue subpixels, it is assumed that between the open region of two neighboring sub-pixel
Distance is L1, the distance between the edge of open region away from pixel region is L2, and the open region of each sub-pixel is in the row direction
Length is L3, and the length of the open region of each sub-pixel in the row direction is L4.In the prior art, it is set based on the sub-pixel
Set mode, area S1=(2 × L2+5 × L1+6 × L3) × (L4+2 × L2) of a repetitive unit, at this point, two blue
The sum of area of open region of pixel S2=2 × L3 × L4.
And in embodiments of the present invention, as shown in figure 11, the repetitive unit that Figure 11 is provided by the embodiment of the present invention accounts for
With area schematic diagram, the area of the open region of blue subpixels (sharing sub-pixel 3) is constant in ensureing a repetitive unit 1
Under the premise of, it is based on this kind of set-up mode, the area S3=(2 × L2+4 × L1+6 × L3) of a repetitive unit 1 × (L4+2 ×
L2).By comparing S3 and S1 it is found that compared with prior art, using the set-up mode of shared sub-pixel 3, reducing each heavy
1 occupied area of multiple unit, increases the quantity of repetitive unit 1 set in display panel accordingly, that is, increases
The quantity of set sub-pixel in display panel, to improving pixel density (Pixels Per Inch, abbreviation PPI),
Improve the resolution ratio of display panel.
Optionally, it referring again to Fig. 8, shares sub-pixel 3 and may include the first pixel circuit 7 and the first light-emitting component 8, the
One pixel circuit 7 is electrically connected with the anode of the first light-emitting component 8.Specifically, including the first pixel circuit 7 when sharing sub-pixel 3
When with the first light-emitting component 8, in light-emitting period t31, the process for driving shared sub-pixel 3 luminous includes：In light-emitting period t31,
The LED control signal provided to the first pixel circuit 7 is enabled level, and the first pixel circuit 7 is made to be previously written in charge period
The first data-signal under the action of generate the first driving current, the first light-emitting component 8 receives the first driving current, and first
It shines under the action of driving current.
Using this kind of set-up mode, it includes first pixel circuit 7 to share sub-pixel 3 only, is ensureing to share sub-pixel 3
3 occupied space of shared sub-pixel can be reduced, that is, reduce each repetitive unit 1 under the premise of normal luminous
Occupied space, and then the quantity for the sub-pixel being arranged in display panel is increased, improve pixel density.
Optionally, it referring again to Fig. 9, shares sub-pixel 3 and may include the second pixel circuit 9,10 and of third pixel circuit
Second light-emitting component 11, wherein the second pixel circuit 9 and third pixel circuit 10 are electric with the anode of the second light-emitting component 11 respectively
Connection.When shared sub-pixel 3 includes the second pixel circuit 9, third pixel circuit 10 and the second light-emitting component 11, when luminous
Section t31, the process for driving shared sub-pixel 3 luminous include：In light-emitting period t31, to the luminous control of the second pixel circuit 9 offer
Signal processed is enabled level, and the second pixel circuit 9 is made to be generated under the action of the second data-signal that charge period is previously written
Second driving current；The LED control signal provided to third pixel circuit 10 is enabled level, and third pixel circuit 10 is made to exist
Third driving current is generated under the action of the third data-signal that charge period is previously written；Second light-emitting component 11 receives simultaneously
Second driving current and third driving current, and shine under the action of the second driving current and third driving current.
Using this kind of set-up mode, due to the second light-emitting component 11 anode respectively with the second pixel circuit 9 and third picture
10 two pixel circuits of plain circuit are connected, therefore, the second driving current and third pixel circuit 10 that the second pixel circuit 9 generates
The third driving current of generation can flow to the second light-emitting component 11 simultaneously, make the second light-emitting component 11 in the second driving current and
It shines under the action of 10 electric current of third pixel circuit.
Optionally, as shown in figure 12, Figure 12 is arranged by the repetitive unit sub-pixel that the embodiment of the present invention provides and is illustrated
Figure, first kind sub-pixel 2 include the first red sub-pixel 21 and the first green sub-pixels 22, and it includes first total to share sub-pixel 3
With blue subpixels 31, the second class sub-pixel 4 includes the second red sub-pixel 41 and the second green sub-pixels 42.First pixel list
Member 5 includes the first pixel 51, and the first red sub-pixel 21, the first green sub-pixels 22 and the first shared blue subpixels 31 are constituted
First pixel 51；Second pixel unit 6 includes the second pixel 61, the second red sub-pixel 41, the second green sub-pixels 42 and the
One shared blue subpixels 31 constitute the second pixel 61.
Optionally, referring again to Figure 12, in a repetitive unit 1, the first sub- picture of the 21, first green of red sub-pixel
Plain 22, first shared blue subpixels 31, the second red sub-pixel 41 and the second green sub-pixels 42 are arranged successively in the row direction
Cloth.
Optionally, as shown in Figure 13~Figure 15, another seed in the repetitive unit that Figure 13 is provided by the embodiment of the present invention
Pixel arrangement schematic diagram, another pixel arrangement schematic diagram in the repetitive unit that Figure 14 is provided by the embodiment of the present invention, figure
Another pixel arrangement schematic diagram in 15 repetitive units provided by the embodiment of the present invention, the first red sub-pixel 21 and
One green sub-pixels 22 are arranged in the side of the first shared blue subpixels 31, the second red sub-pixel 41 and the second sub- picture of green
Element 42 is arranged in the other side of the first shared blue subpixels 31.Referring again to Figure 13, the second red sub-pixel 41 and second
The entirety that green sub-pixels 42 are constituted is constituted whole in display surface with the first red sub-pixel 21 and the first green sub-pixels 22
It is rotated by 90 ° that be formed by structure identical in plane where plate in the counterclockwise direction.Or, referring again to Figure 14 and Figure 15, second
The entirety that red sub-pixel 41 and the second green sub-pixels 42 are constituted, with the first red sub-pixel 21 and the first green sub-pixels 22
To be formed by structure identical being rotated in the counterclockwise direction 180 ° where display panel in plane for composition whole.
Optionally, as shown in figure 16, another sub-pixel row in the repetitive unit 1 that Figure 16 is provided by the embodiment of the present invention
Cloth schematic diagram, first kind sub-pixel 2 further include third red sub-pixel 23 and third green sub-pixels 24, share sub-pixel 3 also
Including the second shared blue subpixels 32, the second class sub-pixel 4 further includes the 4th red sub-pixel 43 and the 4th green sub-pixels
44.First pixel unit 5 further includes third pixel 52, and third red sub-pixel 23, third green sub-pixels 24 and second share
Blue subpixels 32 constitute third pixel 52；Second pixel unit 6 further includes the 4th pixel 62, the 4th red sub-pixel 43,
Four green sub-pixels 44 and the second shared blue subpixels 32 constitute the 4th pixel 62.
Wherein, the first pixel 51, the second pixel 61, third pixel 52 and the 4th pixel 62 are arranged successively along line direction,
In, the entirety that third pixel 52 and the 4th pixel 62 are constituted, the entirety constituted with the first pixel 51 and the second pixel 61 is being shown
It is identical that 180 ° of rotation that plane upper edge where panel is counterclockwise is formed by structure.
It should be noted that the concrete structure of repetitive unit 1 shown in Figure 12~Figure 16, corresponding driving method with it is upper
The driving method stated described in embodiment is identical, and details are not described herein again.Also, above-mentioned set-up mode is used, on the one hand can be slowed down
The speed of the life consumption of sub-pixel 3 is shared, the service life for sharing sub-pixel 3 and first kind sub-pixel 2, the second class sub-pixel are shortened
On the other hand aging variation between 4 can also reduce 1 occupied area of each repetitive unit, and then increase display panel
In set sub-pixel quantity, improve pixel density.Concrete analysis process is similar with above-mentioned analytic process, no longer superfluous herein
It states.
In addition it is also necessary to illustrate, the concrete structure and pixel arrangement of repetitive unit 1 shown in Figure 12~Figure 16
Mode is only to schematically illustrate, in other of the invention optional embodiments, repetitive unit 1 can also be used other structures and
Other pixel arrangement modes, the present invention are not especially limited this.
Optionally, for the sub-pixel of same a line, can enable first kind sub-pixel 2 and the second class sub-pixel 4 with
One first LED control signal line is connected, and shares sub-pixel 3 and is connected with a second LED control signal line.
Corresponding, control unit includes that multiple cascade first emission control circuits and multiple cascade second shine
Control circuit, wherein each first emission control circuit is connected with a first LED control signal line, and each second shines
Control circuit is adjacent with a second LED control signal line.During driving, the first emission control circuit output first
LED control signal, first LED control signal are transmitted to corresponding first kind sub-pixel via the first LED control signal line
2 and second in class sub-pixel 4, to drive first kind sub-pixel 2 and the second class sub-pixel 4 duration within the light emitting control period to send out
Light；Second emission control circuit exports the second LED control signal, which believes via the second light emitting control
Number line is transmitted in corresponding shared sub-pixel 3, is shared the discontinuity within the light emitting control period of sub-pixel 3 to drive and is shone.
The embodiment of the present invention additionally provides a kind of display device, and as shown in figure 17, Figure 17 is provided by the embodiment of the present invention
Display device structural schematic diagram, which includes above-mentioned display panel 100.Wherein, the specific knot of display panel 100
Structure and driving method are described in detail in the above-described embodiments, and details are not described herein again.Certainly, it is shown shown in Figure 17
Showing device is only schematically illustrate, the display device can be for example mobile phone, tablet computer, laptop, electric paper book or
Any electronic equipment with display function such as television set.
Since the display device that the embodiment of the present invention is provided includes above-mentioned display panel, using the display device,
On the one hand can slow down shared sub-pixel life consumption speed, shorten share sub-pixel service life and first kind sub-pixel,
On the one hand aging variation between second class sub-pixel avoids the display caused by shared sub-pixel life time decay is too fast
Picture color deviates the problem of its standard value, improves the display quality of picture, on the other hand can also improve display panel and
The service life of display device.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (15)
1. a kind of driving method of display panel, which is characterized in that the display panel includes multiple repetitive units, each described
Repetitive unit includes first kind sub-pixel, shares sub-pixel and the second class sub-pixel；Wherein, the shared sub-pixel and described the
A kind of sub-pixel constitutes the first pixel unit, and the shared sub-pixel constitutes the second pixel unit with the second class sub-pixel；
One drive cycle of the display panel includes charge period and light emitting control period, the driving method of the display panel
Including：
In the charge period, to the write-in of the first kind sub-pixel, the shared sub-pixel and the second class sub-pixel with
Its corresponding data-signal；
In the light emitting control period, the first kind sub-pixel, the shared sub-pixel and the second class sub-pixel are driven
It shines under the action of corresponding data-signal；Wherein, the luminous duration of the shared sub-pixel is less than the first kind picture
The luminous duration of any sub-pixel in the plain and described second class sub-pixel.
2. the driving method of display panel according to claim 1, which is characterized in that
The process of the first kind sub-pixel and the second class sub-pixel for emitting light is driven to include：Drive the first kind sub-pixel
It shines in the light emitting control period with the second class sub-pixel；
For the shared sub-pixel, the light emitting control period includes multiple alternate light-emitting periods and non-luminous period；It drives
Move the shared sub-pixel for emitting light process include：In the non-luminous period, the shared sub-pixel is driven not shine, in institute
Light-emitting period is stated, the shared sub-pixel for emitting light is driven.
3. the driving method of display panel according to claim 2, which is characterized in that
The duration of each light-emitting period is equal.
4. the driving method of display panel according to claim 2, which is characterized in that
Multiple light-emitting periods include at least one first sub- period and at least one second sub- period, and each described the
The duration of one sub- period is equal, and the duration of each second sub- period is equal, the duration of the first sub- period and
The duration of the second sub- period differs.
5. the driving method of display panel according to claim 2, which is characterized in that
The shared sub-pixel includes the first pixel circuit and the first light-emitting component, and first pixel circuit is sent out with described first
The anode of optical element is electrically connected；
Include in the process of the light-emitting period, the driving shared sub-pixel for emitting light：
In the light-emitting period, the LED control signal provided to first pixel circuit is enabled level, makes described first
Pixel circuit generates the first driving current under the action of the first data-signal that the charge period is previously written, and described first
Light-emitting component receives first driving current, and shines under the action of first driving current.
6. the driving method of display panel according to claim 2, which is characterized in that
The shared sub-pixel includes the second pixel circuit, third pixel circuit and the second light-emitting component, wherein second picture
Plain circuit and the third pixel circuit are electrically connected with the anode of second light-emitting component respectively；
Include in the process of the light-emitting period, the driving shared sub-pixel for emitting light：
In the light-emitting period, the LED control signal provided to second pixel circuit is enabled level, makes described second
Pixel circuit generates the second driving current under the action of the second data-signal that the charge period is previously written；To described
The LED control signal that three pixel circuits provide is enabled level, and the third pixel circuit is made to be write in advance in the charge period
Third driving current is generated under the action of the third data-signal entered；Second light-emitting component receives second driving simultaneously
Electric current and the third driving current, and shine under the action of second driving current and the third driving current.
7. a kind of display panel, which is characterized in that the display panel includes multiple repetitive units, each repetitive unit packet
It includes first kind sub-pixel, share sub-pixel and the second class sub-pixel；Wherein, the shared sub-pixel and the first kind sub-pixel
The first pixel unit is constituted, the shared sub-pixel constitutes the second pixel unit with the second class sub-pixel；
The display panel further includes control unit, and described control unit is used for：In charge period, to the first kind picture
Plain, the described shared sub-pixel and the second class sub-pixel write-in and its corresponding data-signal；
In the light emitting control period, drive the first kind sub-pixel, the shared sub-pixel and the second class sub-pixel right
It shines under the action of the data-signal answered；Wherein, the luminous duration of the shared blue subpixels is less than the first kind picture
The luminous duration of any sub-pixel in the plain and described second class sub-pixel.
8. display panel according to claim 7, which is characterized in that
The shared sub-pixel includes the first pixel circuit and the first light-emitting component, and first pixel circuit is sent out with described first
The anode of optical element is electrically connected.
9. display panel according to claim 7, which is characterized in that
The shared sub-pixel includes the second pixel circuit, third pixel circuit and the second light-emitting component, wherein second picture
Plain circuit and the third pixel circuit are electrically connected with the anode of second light-emitting component respectively.
10. display panel according to claim 7, which is characterized in that
The first kind sub-pixel includes the first red sub-pixel and the first green sub-pixels, and the shared sub-pixel includes first
Blue subpixels are shared, the second class sub-pixel includes the second red sub-pixel and the second green sub-pixels；
First pixel unit includes the first pixel, first red sub-pixel, first green sub-pixels and described
First shared blue subpixels constitute first pixel；
Second pixel unit includes the second pixel, second red sub-pixel, second green sub-pixels and described
First shared blue subpixels constitute second pixel.
11. display panel according to claim 10, which is characterized in that
In a repetitive unit, first red sub-pixel, first green sub-pixels, described first share indigo plant
Sub-pixels, second red sub-pixel and second green sub-pixels are arranged successively in the row direction.
12. display panel according to claim 10, which is characterized in that
First red sub-pixel and first green sub-pixels are arranged in the side of the described first shared blue subpixels,
Second red sub-pixel and second green sub-pixels are arranged in the other side of the described first shared blue subpixels；
The entirety that second red sub-pixel and second green sub-pixels are constituted, with first red sub-pixel and institute
The whole of the first green sub-pixels composition is stated to be rotated by 90 ° in the counterclockwise direction in plane where the display panel or 180 ° of institutes
The structure of formation is identical.
13. display panel according to claim 12, which is characterized in that
The first kind sub-pixel further includes third red sub-pixel and third green sub-pixels, and the shared sub-pixel further includes
Second shared blue subpixels, the second class sub-pixel further include the 4th red sub-pixel and the 4th green sub-pixels；
First pixel unit further includes the third pixel, the third red sub-pixel, the third green sub-pixels
The third pixel is constituted with the described second shared blue subpixels；
Second pixel unit further includes the 4th pixel, the 4th red sub-pixel, the 4th green sub-pixels
The 4th pixel is constituted with the described second shared blue subpixels；
First pixel, second pixel, the third pixel and the 4th pixel are arranged successively along line direction,
In, the entirety that the third pixel and the 4th pixel are constituted is constituted whole with first pixel and second pixel
To be formed by structure identical for 180 ° of rotation counterclockwise in plane upper edge where the display panel for body.
14. display panel according to claim 7, which is characterized in that
Positioned at the first kind sub-pixel of same a line and the second class sub-pixel with a first LED control signal line
It is connected；
The shared sub-pixel positioned at same a line is connected with a second LED control signal line.
15. a kind of display device, which is characterized in that the display device includes as claim 7~14 any one of them is aobvious
Show panel.
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