CN109166470A - Display panel and its image element driving method, display device, mask plate - Google Patents
Display panel and its image element driving method, display device, mask plate Download PDFInfo
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- CN109166470A CN109166470A CN201811143329.8A CN201811143329A CN109166470A CN 109166470 A CN109166470 A CN 109166470A CN 201811143329 A CN201811143329 A CN 201811143329A CN 109166470 A CN109166470 A CN 109166470A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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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]
Abstract
The embodiment of the invention discloses a kind of display panel and its image element driving method, display device, mask plates.Wherein, display panel includes: multiple pixel units, and each pixel unit includes the first color sub-pixels, the second color sub-pixels, third color sub-pixels and at least one third color compensating sub-pixel；Wherein, the corresponding emission wavelength of the third color sub-pixels is less than the emission wavelength of the corresponding emission wavelength of first color sub-pixels and second color sub-pixels；The third color compensating sub-pixel works according to the first preset emission frequency, and the first preset emission frequency is greater than 85Hz.Technical solution provided in an embodiment of the present invention, the service life that can solve the sub-pixel that existing display panel issues the higher light of energy is short, so as to cause the problem that the service life of display panel is short.
Description
Technical field
The present embodiments relate to organic light emitting display technical field more particularly to a kind of display panels and its pixel driver
Method, display device, mask plate.
Background technique
Organic light emitting display (Organic Light-Emitting Diode, OLED) panel has self luminous characteristic,
Using very thin coating of organic material and glass substrate, when an electric current passes through it, organic material will shine.Organic light emitting display
Panel has many advantages, such as frivolous, high contrast, quick response and wide viewing angle, and has been widely cited in all kinds of display devices.
Existing organic light emitting display panel includes the pixel unit of multiple matrix arrangements, and each pixel unit includes red
Sub-pixels, green sub-pixels and blue pixel.The luminescent material of different subpixel is different, so the three of each pixel unit
A sub-pixel issues the light of different colours respectively, as primaries, to show various color images.
But wherein luminous organic material is easily caused because the blue photons energy of blue subpixels sending is higher
Decay, so that the service life of the luminescent material of blue subpixels shortens, illustratively, the service life of the luminescent material of blue subpixels is only
For the one third in the service life of the luminescent material of red sub-pixel or green sub-pixels.So using the longevity in blue subpixels
Under the limitation of life, the service life of display panel is also greatly shortened.
Summary of the invention
The present invention provides a kind of display panel and its image element driving method, display device, mask plate, to solve existing display
The service life that panel issues the sub-pixel of the higher light of energy is short, so as to cause the problem that the service life of display panel is short.
In a first aspect, the embodiment of the invention provides a kind of display panels, comprising:
Multiple pixel units, each pixel unit include the first color sub-pixels, the second color sub-pixels, third color
Pixel and at least one third color compensating sub-pixel；
Wherein, it is corresponding luminous to be less than first color sub-pixels for the corresponding emission wavelength of the third color sub-pixels
The emission wavelength of wavelength and second color sub-pixels；
The third color compensating sub-pixel works according to the first preset emission frequency, and the first preset emission frequency is big
In 85Hz.
Optionally, the third color sub-pixels and the third color compensating sub-pixel are respectively by different driving circuits
Driving.
Optionally, each pixel unit includes multiple third color compensating sub-pixels, and multiple third colors are mended
Repay at least side that sub-pixel is set to the third color sub-pixels.
Optionally, multiple third color compensating sub-pixels are arranged around the third color sub-pixels.
Optionally, multiple third color compensating sub-pixels are driven by different driving circuits respectively.
Optionally, each pixel unit further include: at least one first color compensating sub-pixel and/or at least one second
Color compensating sub-pixel；The first color compensating sub-pixel works according to the second preset emission frequency, the described second default hair
Light frequency is greater than 85Hz；The second color compensating sub-pixel works according to third preset emission frequency, the default hair of the third
Light frequency is greater than 85Hz.
Optionally, first color sub-pixels, the second color sub-pixels, third color sub-pixels and the third face
The luminescent color of colorimetric compensation sub-pixel is respectively red, green, blue and blue.
Second aspect, the embodiment of the invention also provides a kind of mask plates, comprising: mask plate ontology；
The mask pattern area that multiple open regions are formed is provided on the mask plate ontology；
The mask pattern area includes multiple mask cells, the mask cell include the first open region, the second open region,
Third open region and at least one third compensate open region；
First open region is for being deposited the first color sub-pixels formed in the display unit of display panel, and described the
Two open regions are for being deposited the second color sub-pixels formed in the display unit of display panel, and the third open region is for steaming
Plating forms the third color sub-pixels in the display unit of display panel, and the third compensation open region forms display for being deposited
Third color compensating sub-pixel in the display unit of panel；
Wherein, it is corresponding luminous to be less than first color sub-pixels for the corresponding emission wavelength of the third color sub-pixels
The emission wavelength of wavelength and second color sub-pixels.
Optionally, the mask cell includes multiple third compensation open region；Multiple third compensation open region settings
In at least side of the third open region.
The third aspect, the embodiment of the invention also provides a kind of image element driving method of display panel, the display panel
Including multiple pixel units, each pixel unit includes the first color sub-pixels, the second color sub-pixels, third color sub-pixels
And at least one third color compensating sub-pixel；Wherein, the corresponding emission wavelength of the third color sub-pixels is less than described
The emission wavelength of the corresponding emission wavelength of first color sub-pixels and second color sub-pixels, the picture of the display panel
Plain driving method includes:
It controls the third color compensating sub-pixel to work according to the first preset emission frequency, the first preset emission frequency
Rate is greater than 85Hz.
Optionally, the third color compensating sub-pixel is controlled to work according to the first preset emission frequency, comprising:
During the entire working condition of the third color sub-pixels, controls the third color compensating sub-pixel and press
It works according to the first preset emission frequency；
Alternatively, after the third color sub-pixels decay to preset value, control the third color sub-pixels with it is described
Third color compensating sub-pixel works at the same time, and the third color compensating sub-pixel works according to the first preset emission frequency；
Alternatively, controlling the third color sub-pixels after the third color sub-pixels decay to preset value and stopping work
Make, the third color compensating sub-pixel works according to the first preset emission frequency；
Alternatively, each pixel unit includes multiple third color compensating sub-pixels, multiple third colors are controlled
Compensation sub-pixel is worked alternatively according to the first preset emission frequency.
Fourth aspect, the embodiment of the invention also provides a kind of display devices, provide including any embodiment of that present invention
Display panel.
Display panel and its image element driving method provided in an embodiment of the present invention, display device, mask plate, display panel packet
Multiple pixel units are included, each pixel unit includes the first color sub-pixels, the second color sub-pixels, third color sub-pixels
And at least one third color compensating sub-pixel, because the corresponding emission wavelength of third color sub-pixels is less than the first color
Pixel and the corresponding emission wavelength of the second color sub-pixels, so the energy of the light of third color sub-pixels is stronger, light decay
Seriously, the light of third color sub-pixels is compensated so that at least one third color compensating sub-pixel be arranged, can be solved existing
There is display panel to issue the problem that service life is short and the service life of display panel is short of the sub-pixel of the higher light of energy.Also, the
Three color compensating sub-pixels work according to the first preset emission frequency, can extend third color compensating picture to a certain extent
The service life of element, and the first preset emission frequency is greater than the identifiable luminous frequency of human eye, is not influencing the light of third color
Under the premise of compensation effect, the service life of entire display panel is improved.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of display panel in the prior art；
Fig. 2 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of the display panel of triangular pixel arrangement provided in an embodiment of the present invention；
Figure 10 is the structural schematic diagram of another display panel provided in an embodiment of the present invention；
Figure 11 is a kind of structural schematic diagram of mask plate provided in an embodiment of the present invention；
Figure 12 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Display panel includes multiple pixel units of matrix arrangement, and each pixel unit respectively includes the sub- picture of different colours
Element, the mutual colour mixture of light that the sub-pixel of different colours issues form the various colors that image is shown and illustratively utilize red
Sub-pixel, blue subpixels and green sub-pixels carry out colour mixture.Wherein, the blue subpixels service life is shorter, the reason is that, blue light
Wavelength it is shorter, blue photons energy is higher, easily cause the decay of the luminescent material of blue subpixels, in the prior art, show
The pixel unit for showing panel includes size, the consistent each sub-pixels of shape.It is in the prior art a kind of aobvious with reference to Fig. 1, Fig. 1
Show that the structural schematic diagram of panel, display panel 1 include the pixel unit 11 of matrix arrangement, each pixel unit includes the first face
Sub-pixels 111, the second color sub-pixels 112, third color sub-pixels 113, can issue the first color, the second color respectively
With the light of third color, each sub-pixels are gradually arranged, but because the energy of the light of different colours is different, the high light of energy holds
Easily cause the decay of luminous organic material, so that the sub-pixel for issuing the high light of energy is easier to decay, so that display unit 11
The problem of there is deviation, causes the lost of life of display panel in display.
To solve the problems, such as that the above-mentioned display panel service life is short, display panel provided in this embodiment is shorter to emission wavelength
Sub-pixel carries out the compensation that shines.At least one compensation sub-pixel is arranged in the shorter sub-pixel of corresponding emission wavelength.Compensate sub-pixel
The consistent light of the sub-pixel colors shorter with emission wavelength can be issued, the light that the sub-pixel shorter to emission wavelength issues carries out
Compensation, and compensate sub-pixel and can carry out luminous according to be greater than the luminous frequency that can identify of human eye, do not influencing user
In the case where visual effect, display energy consumption is saved, the service life of compensation sub-pixel is extended, and extends the service life of display panel.
Specifically, the embodiment of the present invention provides a kind of display panel, it is provided in an embodiment of the present invention one with reference to Fig. 2, Fig. 2
The structural schematic diagram of kind display panel, the display panel 1 include:
Multiple pixel units 11, each pixel unit 11 include the first color sub-pixels 111, the second color sub-pixels 112,
Third color sub-pixels 113 and at least one third color compensating sub-pixel 114；
Wherein, the corresponding emission wavelength of third color sub-pixels 113 is less than the corresponding luminous wave of the first color sub-pixels 111
Long and the second color sub-pixels 112 emission wavelengths；
Third color compensating sub-pixel 114 works according to the first preset emission frequency, and the first preset emission frequency is greater than
85Hz。
The luminous frequency that human eye can identify is the luminous frequency that human eye is observed that flashing, is shown in display panel
When showing, human eye can feel light-emitting flash when luminous frequency is 85Hz or less, and when luminous frequency is greater than 85Hz, human eye is then felt
Less than light-emitting flash.Third color compensating sub-pixel 114 is able to maintain good with being greater than the luminous frequency work that human eye can identify
Good display effect will not bring the slack feeling of display to user.And third color compensating sub-pixel 114 is pre- with first
If luminous frequency carries out luminous, display energy consumption can be saved, extends the service life of third color compensating sub-pixel 114.Optionally,
The first preset emission frequency can be greater than 85Hz, and the first preset emission frequency within the scope of this can make third color compensating picture
Element 114 keeps good display effect.
First color sub-pixels 111, the second color sub-pixels 112, third color sub-pixels 113 and of the present embodiment
Three color compensating sub-pixels 114 are all set on the underlay substrate of display panel 1, and perpendicular to underlay substrate and separate
On the direction of underlay substrate, including first electrode layer, luminous material layer and the second electrode lay.It wherein, can in luminous material layer
Including material of main part and object dopant material, powered on for first electrode layer and the second electrode lay, when luminous material layer being made to shine,
The triplet exciton energy of material of main part can be effectively transferred to for luminous object dopant material, and the hair of material of main part
The absorption spectrum for penetrating spectrum and object dopant material being capable of energy match.Object dopant material as luminescent material may include
Phosphorescence or fluorescent material.Illustratively, the corresponding luminous material layer of red sub-pixel and the corresponding luminescent material of green sub-pixels
The object dopant material of layer is phosphor material, and the object dopant material of the corresponding luminous material layer of blue subpixels is phosphor
Material.The embodiment of the present invention to the material of luminous material layer without limitation, for example, luminous material layer can also be mixed using non-Subjective and Objective
The luminescent material of miscellaneous system material.
The corresponding third color sub-pixels 113 of pixel unit 11 are provided at least one third color compensating sub-pixel 114.The
Three color compensating sub-pixels 114 can issue the light of third color, reinforce the intensity of the light of third color.Each sub-pixel is sent out
For light out, wavelength is shorter, and energy is higher, and the corresponding emission wavelength of third color sub-pixels in the present embodiment is less than first
The emission wavelength of the corresponding emission wavelength of color sub-pixels and the second color sub-pixels, thus the first color sub-pixels 111,
The light of the first color, the second color and third color that second color sub-pixels 112, third color sub-pixels 113 issue respectively
In, the emission wavelength of third color is most short, energy highest, then the corresponding luminous material layer of third color sub-pixels 113 is easier
Decay, the light of third color are more also easy to produce decaying, and third color compensating sub-pixel 114 can mend the light of third color
It repays, to improve the display effect of entire display panel 1, and increases the service life of display panel 1.
Third color compensating sub-pixel 114 works according to the first preset emission frequency, and the first preset emission frequency is big
In the luminous frequency that human eye can identify.Compared with continuous illumination work, according to the third face of the first preset emission frequency work
Colorimetric compensation sub-pixel 114 can effectively shorten the working time, save display energy consumption, extend third color compensating sub-pixel 114
Working life.
Display panel provided in an embodiment of the present invention, including multiple pixel units, each pixel unit include the first face
Sub-pixels, the second color sub-pixels, third color sub-pixels and at least one third color compensating sub-pixel, because of third
The corresponding emission wavelength of color sub-pixels less than the first color sub-pixels and the corresponding emission wavelength of the second color sub-pixels,
So the energy of the light of third color sub-pixels is stronger, light decay is serious, so that at least one third color compensating sub-pixel be arranged
The light of third color sub-pixels is compensated, the service life that existing display panel issues the sub-pixel of the higher light of energy can be solved
Short problem of short and display panel service life.Also, third color compensating sub-pixel is according to the first preset emission frequency work
Make, the service life of third color compensating sub-pixel can be extended to a certain extent, and the first preset emission frequency is greater than human eye
Identifiable luminous frequency improves making for entire display panel under the premise of not influencing the compensation effect of light of third color
Use the service life.
On the basis of the above embodiments, each pixel unit 11 may include multiple third color compensating sub-pixels 114,
Multiple third color compensating sub-pixels 114 are set at least side of third color sub-pixels 113.
At least side that multiple third color compensating sub-pixels 114 are set to third color sub-pixels 113 includes two kinds of bases
This situation: first, multiple third color compensating sub-pixels 114 are set to the side of third color sub-pixels 113；Second, it is multiple
Third color compensating sub-pixel 114 is set to more sides of third color sub-pixels 113.Optionally, when multiple third color compensatings
When sub-pixel 114 is set to more sides of third color sub-pixels 113, multiple third color compensating sub-pixels 114 surround third face
Sub-pixels 113 are arranged, to form more preferably compensation effect, with reference to Fig. 2, each pixel unit to third color sub-pixels 113
11 settable four third color compensatings sub-pixels 114, if third color sub-pixels 113 are quadrangle, four third colors
Compensation sub-pixel 114 can be respectively arranged at four sides of third color sub-pixels 113, as multiple third color compensating sub-pixels
114 the case where being set to more sides of third color sub-pixels 113.It is, of course, understood that four third color compensating pictures
Element 114 can also be provided only on the two sides in four sides of third color sub-pixels 113, as shown in figure 3, Fig. 3 is implementation of the present invention
The structural schematic diagram for another display panel that example provides.Four third color compensating sub-pixels 114 may be disposed at third color
Opposite sides in four sides of sub-pixel 113, as shown in figure 3, four third color compensating sub-pixels 114 may be disposed at
Adjacent two sides in four sides of three color sub-pixels 113.Certainly, four third color compensating sub-pixels 114 may be disposed at third
Three sides in 113 4 side of color sub-pixels.
Four third color compensating sub-pixels 114 can be provided only on the side in four sides of third color sub-pixels 113, i.e.,
Multiple third color compensating sub-pixels 114 are set to the side of third color sub-pixels 113, as shown in figure 4, Fig. 4 is the present invention
The structural schematic diagram for another display panel that embodiment provides.
In addition, one, two, three or third color compensating of other numbers can be set in each pixel unit 11
Pixel 114.It illustratively, is the structural schematic diagram of another display panel provided in an embodiment of the present invention with reference to Fig. 5, Fig. 5, it can
One third color compensating sub-pixel 114 is only set, and third color compensating sub-pixel 114 may be disposed at third color sub-pixels
113 any side；It is the structural schematic diagram of another display panel provided in an embodiment of the present invention with reference to Fig. 6, Fig. 6, can sets
Two third color compensating sub-pixels 114 are set, third color compensating sub-pixel 114 may be disposed at third color sub-pixels 113
Any two sides, alternatively, two third color compensating sub-pixels 114 may be disposed at any side of third color sub-pixels 113；Ginseng
Fig. 7 is examined, Fig. 7 is the structural schematic diagram of another display panel provided in an embodiment of the present invention, and settable three third colors are mended
Sub-pixel 114 is repaid, third color compensating sub-pixel 114 may be disposed at any three side or the third of third color sub-pixels 113
Color compensating sub-pixel 114 may be disposed at any two sides or side of third color sub-pixels 113.It is worth noting that, Fig. 2
The setting structure for only respectively illustrating a kind of third color compensating sub-pixel 114 to Fig. 7, not to third color compensating sub-pixel
114 setting position is defined.
Optionally, third color compensating sub-pixel 114 can be strip, width be less than third color sub-pixels 113 with
Pel spacing between first color sub-pixels 111 or the second color sub-pixels 112.Referring to figs. 2 to Fig. 7, under normal circumstances, the
One color sub-pixels 111, the second color sub-pixels 112, third color sub-pixels 113 are arranged along first direction, for example, along Fig. 2
Shown in X-direction arrangement.It is provided with black matrix region between each color sub-pixels, each height of driving can be laid in black matrix region
The pixel-driving circuit of pixel.It can be arranged at black matrix between third color sub-pixels 113 and other color sub-pixels and open
Mouthful, for being arranged third color compensating sub-pixel 114, the width of third color compensating sub-pixel 114 be less than each sub-pixel it
Between pel spacing, thus do not influence existing display panel pixel unit arrange in the case where, carry out third color compensating
The setting of sub-pixel 114, manufacture craft are simple.Third color compensating sub-pixel 114 can also be not provided in each color sub-pixels it
Between in the black matrix region that is arranged, can the arrangement to pixel unit 11 be laid out again, by third color compensating sub-pixel 114
Size be arranged to identical as third color sub-pixels 113, be another display provided in an embodiment of the present invention with reference to Fig. 8, Fig. 8
The structural schematic diagram of panel, Fig. 8 is only using, as example, third color is mended the case where one third color compensating sub-pixel 114 of setting
It is identical as third color sub-pixels 113 to repay the setting of sub-pixel 114 size, third color compensating sub-pixel 114 is issued
The light of sufficient intensity.Furthermore it is also possible to the third color compensating sub-pixel 114 of other numbers be arranged, for example, settable two
The area of three color compensating sub-pixels 114, each third color compensating sub-pixel 114 can be only third color sub-pixels 113
Half.Display panel in the present embodiment can load the first electrode layer in third color compensating sub-pixel 114 by control
The light emission luminance of third color compensating sub-pixel 114 is controlled with the voltage value on the second electrode lay, to prevent third color from mending
The compensation light for repaying the sending of sub-pixel 114 is too strong, influences the display of display panel 1.
Certainly, in addition to by the first color sub-pixels 111, the second color sub-pixels 112, third color sub-pixels 113 along certain
It, can also be by the first color sub-pixels 111, the second color sub-pixels 112, third color sub-pixels 113 except a direction arrangement
Triangular pitch is carried out, is the structure for the display panel that triangular pixel provided in an embodiment of the present invention is arranged with reference to Fig. 9, Fig. 9
Schematic diagram.Each pixel unit 11 includes two column sub-pixels, and first row sub-pixel is arranged including (such as Y-direction) in a second direction
The first color sub-pixels 111 and the second color sub-pixels 112, secondary series sub-pixel includes the third face extended in a second direction
Sub-pixels 113, third color compensating sub-pixel 114 are set at least side of third color sub-pixels 113, only show in Fig. 9
Out as example the case where third color compensating sub-pixel 114 are arranged in four sides of third color sub-pixels 113.Triangular pitch
Pixel unit 11 in, the area of third color sub-pixels 113 can be greater than the first color sub-pixels 111 and the second color sub-pixels
112, to enhance the luminous intensity of third color, and it is empty to make third color compensating sub-pixel 114 obtain bigger setting
Between.In the present embodiment, X-direction and Y-direction are mutually orthogonal direction.
Optionally, the first color sub-pixels 111, the second color sub-pixels 112, third color sub-pixels 113 and third
The luminescent color of color compensating sub-pixel 114 can be respectively red, green, blue and blue.Then the first color sub-pixels
111, the second color sub-pixels 112, third color sub-pixels 113 and third color compensating sub-pixel 114 can be referred to as red
Sub-pixels, green sub-pixels, blue subpixels and blue compensation sub-pixel.Blue light is compared to feux rouges and green light, and shine light
Sub- energy is higher, and the corresponding luminous material layer decay of blue subpixels is very fast, and it is default according to first that blue compensation sub-pixel is arranged
Luminous frequency work, is able to extend blue lifetime, to extend the service life of display panel 1.
Optionally, third color sub-pixels and third color compensating sub-pixel are driven by different driving circuits respectively.It can
Choosing, display panel can also include: the first pixel-driving circuit, be electrically connected with the first color sub-pixels, for driving first
Color sub-pixels work；Second pixel-driving circuit is electrically connected with the second color sub-pixels, for driving the second color sub-pixels
Work；Third pixel-driving circuit is electrically connected with third color sub-pixels, for driving third color sub-pixels to work；4th
Pixel-driving circuit is electrically connected with third color compensating sub-pixel, pre- according to first for controlling third color compensating sub-pixel
If luminous frequency works.
Third color sub-pixels 113 are driven by third pixel-driving circuit, and third color compensating sub-pixel 114 is by the 4th picture
Plain driving circuit, optionally, during the entire working condition of third color sub-pixels 113, third color compensating sub-pixel
114 can work according to the first preset emission frequency.In the driving sub-pixel work of each pixel-driving circuit, pixel list is gradually driven
The first color sub-pixels 111, the second color sub-pixels 112 and third color sub-pixels 113 in member 11, in third color
During pixel 113 is shone by the driving of third pixel-driving circuit, i.e. the entire working condition mistake of third color sub-pixels 113
Cheng Zhong, the 4th pixel-driving circuit drive third color compensating sub-pixel 114 to work according to the first preset emission frequency, work as third
When pixel-driving circuit stopping drives third color sub-pixels 113, the 4th pixel-driving circuit equally stops to third
The driving of color compensating sub-pixel 114.Third color sub-pixels 113 and third color compensating sub-pixel 114 start simultaneously at and stop
Only work.
Third color sub-pixels 113 and third color compensating sub-pixel 114 can not work at the same time, optionally, in third face
After sub-pixels 113 decay to preset value, third color sub-pixels 113 are simultaneously operable with third color compensating sub-pixel 114,
And third color compensating sub-pixel 114 works according to the first preset emission frequency.Specifically: driving third color sub-pixels first
113 work independently, and third color compensating sub-pixel 114 does not work, and only third color sub-pixels 113 issue third color
Light, third color sub-pixels 113 can decay with the accumulation of fluorescent lifetime, when third color sub-pixels 113 decay to it is pre-
If when value, third pixel-driving circuit and the 4th pixel-driving circuit control third color sub-pixels 113 and third color simultaneously
It compensates sub-pixel 114 to work, and third color compensating sub-pixel 114 enhances third face with the work of the first preset emission frequency
The luminous intensity of color.Optionally, preset value can be the 50%~90% of 113 original intensity of third color sub-pixels.
Optionally, after third color sub-pixels 113 decay to preset value, third color sub-pixels 113 can stop working,
Third color compensating sub-pixel 114 works according to the first preset emission frequency.Specifically: driving third color sub-pixels first
113 work independently, and when third color sub-pixels 113 decay to preset value, stop the work of third color sub-pixels 113,
Third color compensating sub-pixel 114 is controlled individually with the work of the first preset emission frequency, then third color compensating sub-pixel 114 is made
For the substitute pixel of third color sub-pixels 113, the service life of display panel is extended.This moment, third color compensating sub-pixel 114
Light-emitting area it is unsuitable too small, the gross area of settable third color compensating sub-pixel 114 is equal to third color compensating sub-pixel
114 area.
Optionally, multiple third color compensating sub-pixels 114 can be driven by different driving circuits respectively, in each pixel
When unit 11 includes multiple third color compensating sub-pixels 114, different driving circuits controls multiple third color compensating pictures
Element 114 is worked alternatively according to the first preset emission frequency.
Illustratively, with continued reference to Fig. 9, if each pixel unit 11 includes four third color compensating sub-pixels 114.It can
Third color compensating sub-pixel 115, third color compensating sub-pixel 116, third color compensating sub-pixel 117 and third face are set
Colorimetric compensation sub-pixel 118 works according to the first preset emission frequency in turn, for example, when third color compensating sub-pixel 115 occurs
After decaying, driving third color compensating sub-pixel 116 carries out the work compensated that shines, when third color compensating sub-pixel 116 goes out
After now decaying, driving third color compensating sub-pixel 117 carries out the work compensated that shines, and so on；Also third can be set
Color compensating sub-pixel 115 and third color compensating sub-pixel 116 work first, to third color compensating sub-pixel 115 and
After decaying occur in three color compensating sub-pixels 116, third color compensating sub-pixel 117 and third color compensating sub-pixel are driven
118 carry out the work compensated that shines.Multiple third color compensating sub-pixels 114 are worked alternatively according to the first preset emission frequency
Compensating form can double the service life for extending display panel.
It is the structural schematic diagram of another display panel provided in an embodiment of the present invention with reference to Figure 10, Figure 10.In above-mentioned reality
On the basis of applying example, each pixel unit further include: at least one first color compensating sub-pixel 119 and/or at least one
Second colors compensate sub-pixel 120；First color compensating sub-pixel 119 works according to the second preset emission frequency, the second default hair
Light frequency is greater than 85Hz；Second color compensating sub-pixel 120 works according to third preset emission frequency, third preset emission frequency
Greater than 85Hz.
The compensation that shines is carried out to the second color sub-pixels 112 by the second color compensating sub-pixel 120 of setting, passes through setting
First color compensating sub-pixel 119 carries out the compensation that shines to the first color sub-pixels 111, to prevent the first color sub-pixels 111
Decaying is generated with the second color sub-pixels 112, to further extend the service life of display panel.Also, the second preset emission frequency
Rate and third preset emission frequency are all larger than the luminous frequency that human eye can identify, the first color compensating sub-pixel 119 or at least
When one the second color compensating sub-pixel 120 shines, display energy consumption can be saved, and extend the first color compensating sub-pixel 119
Or the service life of at least one the second color compensating sub-pixel 120.In addition, the first color compensating sub-pixel 119 and the second color are mended
Repaying sub-pixel 120 can be when the first color sub-pixels 111 and the second color sub-pixels 112 breaks down, instead of the first color
Sub-pixel 111 and the work of the second color sub-pixels 112, further extend the service life of display panel.
The present invention also provides a kind of mask plate, can be deposited to form the aobvious of any embodiment of that present invention offer by mask plate
Show that panel, Figure 11 are a kind of structural schematic diagrams of mask plate provided in an embodiment of the present invention.With reference to Fig. 2 and Figure 11, mask plate 2 is wrapped
It includes: mask plate ontology 22；
The mask pattern area 21 that multiple open regions are formed is provided on mask plate ontology 22；Mask pattern area 21 includes multiple
Mask cell 211, mask cell 211 include the first open region 212, the second open region 213, third open region 214 and at least
One third compensates open region 215；
First open region 212 is used for the first color sub-pixels 111 being deposited in the display unit 11 for forming display panel 1,
Second open region 213 is used for the second color sub-pixels 112 being deposited in the display unit 11 for forming display panel 1, third opening
Area 214 is used for the third color sub-pixels 113 being deposited in the display unit 11 for forming display panel 1,215th area of third compensation opening
Third color compensating sub-pixel 114 for being deposited in the display unit 11 for forming display panel 1；Wherein, third color picture
Plain 113 corresponding emission wavelengths are less than the corresponding emission wavelength of the first color sub-pixels 111 and the second color sub-pixels 112
Emission wavelength.
During forming pixel unit 11 of display panel, need that formation is deposited under the effect of blocking of mask plate 2
Each pixel unit 11, evaporation material form each colored pixels subelement through multiple open regions of mask plate 2.Specifically, right
Than Fig. 2 and Figure 11, evaporation material can form pixel unit 11, the vapor deposition of the first color sub-pixels 111 by each mask cell 211
Material forms the first color sub-pixels 111 by the first open region 212, and the evaporation materials of the second color sub-pixels 112 passes through the
Two open regions 213 form the second color sub-pixels 112, and the evaporation material of third color sub-pixels 113 passes through third open region 214
Third color sub-pixels 113 are formed, the evaporation material of third color compensating sub-pixel 114 compensates 215 shape of open region by third
At third color compensating sub-pixel 114.
It should be noted that four third color compensating sub-pixels 114 are provided in Fig. 2 in pixel unit 11, it is right therewith
It answers, mask cell 211 is equally provided with four thirds and compensates open regions 215 in Figure 11, enables mask plate shown in Figure 11
Display panel shown in Fig. 2 is formed by evaporation process.When the third color compensating for being provided with other numbers in pixel unit 11
When sub-pixel 114, and distributing position pair identical as 114 numbers of third color compensating sub-pixel is equally set in mask cell 211
The third compensation open region 215 answered.
The display panel that mask plate provided in an embodiment of the present invention is formed, including multiple pixel units, each pixel unit
It include the first color sub-pixels, the second color sub-pixels, third color sub-pixels and at least one third color compensating
Pixel, because the corresponding emission wavelength of third color sub-pixels is respectively right less than the first color sub-pixels and the second color sub-pixels
The emission wavelength answered, so the energy of the light of third color sub-pixels is stronger, light decay is serious, so that at least one third face be arranged
Colorimetric compensation sub-pixel compensates the light of third color sub-pixels, can solve existing display panel and issue the higher light of energy
The problem that the service life of sub-pixel is short and the service life of display panel is short.Also, third color compensating sub-pixel is default according to first
Luminous frequency work, can extend the service life of third color compensating sub-pixel to a certain extent, and the first preset emission frequency
Rate is greater than the identifiable luminous frequency of human eye, under the premise of not influencing the compensation effect of light of third color, improves entire aobvious
Show the service life of panel.
Optionally, mask cell 211 may include multiple third compensation open region 215；Multiple thirds compensate open region 215
It is set at least side of third open region 214.
Likewise, multiple third compensation open region 215 may be disposed at the one side or the multi-lateral of third open region 214, with reference to figure
11, at least side for being set to third color sub-pixels 113 with multiple third color compensating sub-pixels 114 is similar, multiple thirds
Compensation open region 215 is set at least side of third open region 214.And third compensates open region 215 in third open region
Distributing position around 214, the third color compensating sub-pixel 114 with the display panel for the formation of being deposited is in third color
Distributing position around pixel 113 is consistent.The distributing position of third compensation open region 215 can refer to any embodiment of that present invention and mention
The distributing position of the third color compensating sub-pixel 114 of the display panel of confession.
The present invention also provides a kind of image element driving methods of display panel, provide suitable for any embodiment of that present invention
Display panel, display panel include multiple pixel units, and each pixel unit includes the first color sub-pixels, the second color sub- picture
Element, third color sub-pixels and at least one third color compensating sub-pixel；Wherein, third color sub-pixels are corresponding shines
The emission wavelength of wavelength emission wavelength corresponding less than the first color sub-pixels and the second color sub-pixels, the picture of display panel
Plain driving method includes:
Control third color compensating sub-pixel works according to the first preset emission frequency, and the first preset emission frequency is greater than
85Hz。
Display panel can pass through the first pixel-driving circuit, the second pixel-driving circuit, third pixel-driving circuit and
Four pixel-driving circuits, respectively to the first color sub-pixels, the second color sub-pixels, the third color sub-pixels in pixel unit
It is driven with third color compensating sub-pixel, when the 4th pixel-driving circuit drives third color compensating sub-pixel, third
Color compensating sub-pixel works according to the first preset emission frequency.
The image element driving method of display panel provided in an embodiment of the present invention, display panel include multiple pixel units, often
A pixel unit includes the first color sub-pixels, the second color sub-pixels, third color sub-pixels and at least one third
Color compensating sub-pixel, because the corresponding emission wavelength of third color sub-pixels is less than the first color sub-pixels and the second color
The corresponding emission wavelength of pixel, so the energy of the light of third color sub-pixels is stronger, light decay is serious, so that setting is at least
One third color compensating sub-pixel compensates the light of third color sub-pixels, can solve existing display panel and issue energy
The problem that the service life of the sub-pixel of higher light is short and the service life of display panel is short.Also, third color compensating sub-pixel is pressed
It works according to the first preset emission frequency, the service life of third color compensating sub-pixel, and first can be extended to a certain extent
Preset emission frequency is greater than the identifiable luminous frequency of human eye, under the premise of not influencing the compensation effect of light of third color,
Improve the service life of entire display panel.
Optionally, it controls the third color compensating sub-pixel to work according to the first preset emission frequency, comprising: described
During the entire working condition of third color sub-pixels, the third color compensating sub-pixel is controlled according to the first preset emission
Frequency work；Alternatively, after the third color sub-pixels decay to preset value, control the third color sub-pixels with it is described
Third color compensating sub-pixel works at the same time, and the third color compensating sub-pixel works according to the first preset emission frequency；
Alternatively, control the third color sub-pixels after the third color sub-pixels decay to preset value and stop working, described
Three color compensating sub-pixels work according to the first preset emission frequency；Alternatively, each pixel unit includes multiple third face
Colorimetric compensation sub-pixel controls multiple third color compensating sub-pixels and works alternatively according to the first preset emission frequency.
The embodiment of the invention also provides a kind of display devices, are provided in an embodiment of the present invention one with reference to Figure 12, Figure 12
The structural schematic diagram of kind display device, the display device 3 include the display panel 1 that any embodiment of that present invention provides, this implementation
Display device 3 can show for mobile phone, iPad or notebook computer etc. for picture or the terminal device of video playing in example.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above embodiments to this
Invention is described in further detail, but the present invention is not limited to the above embodiments only, is not departing from present inventive concept
In the case of, it can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (12)
1. a kind of display panel characterized by comprising
Multiple pixel units, each pixel unit include the first color sub-pixels, the second color sub-pixels, third color sub-pixels
And at least one third color compensating sub-pixel；
Wherein, the corresponding emission wavelength of the third color sub-pixels is less than the corresponding emission wavelength of first color sub-pixels
And the emission wavelength of second color sub-pixels；
The third color compensating sub-pixel works according to the first preset emission frequency, and the first preset emission frequency is greater than
85Hz。
2. display panel according to claim 1, it is characterised in that:
The third color sub-pixels and the third color compensating sub-pixel are driven by different driving circuits respectively.
3. display panel according to claim 1, it is characterised in that:
Each pixel unit includes multiple third color compensating sub-pixels, multiple third color compensating sub-pixel settings
In at least side of the third color sub-pixels.
4. display panel according to claim 3, it is characterised in that:
Multiple third color compensating sub-pixels are arranged around the third color sub-pixels.
5. display panel according to claim 3, it is characterised in that: multiple third color compensating sub-pixels respectively by
Different driving circuit drivings.
6. display panel according to claim 1, which is characterized in that each pixel unit further include: at least one first
Color compensating sub-pixel and/or at least one second color compensating sub-pixel；
The first color compensating sub-pixel works according to the second preset emission frequency, and the second preset emission frequency is greater than
85Hz；
The second color compensating sub-pixel works according to third preset emission frequency, and the third preset emission frequency is greater than
85Hz。
7. display panel according to claim 1-6, it is characterised in that:
First color sub-pixels, the second color sub-pixels, third color sub-pixels and the third color compensating picture
The luminescent color of element is respectively red, green, blue and blue.
8. a kind of mask plate characterized by comprising mask plate ontology；
The mask pattern area that multiple open regions are formed is provided on the mask plate ontology；
The mask pattern area includes multiple mask cells, and the mask cell includes the first open region, the second open region, third
Open region and at least one third compensate open region；
For the first color sub-pixels formed in the display unit of display panel to be deposited, described second is opened for first open region
Mouth region is for being deposited the second color sub-pixels formed in the display unit of display panel, and the third open region is for being deposited shape
At the third color sub-pixels in the display unit of display panel, the third compensation open region forms display panel for being deposited
Display unit in third color compensating sub-pixel；
Wherein, the corresponding emission wavelength of the third color sub-pixels is less than the corresponding emission wavelength of first color sub-pixels
And the emission wavelength of second color sub-pixels.
9. mask plate according to claim 8, it is characterised in that:
The mask cell includes multiple third compensation open region；
Multiple third compensation open regions are set at least side of the third open region.
10. a kind of image element driving method of display panel, which is characterized in that the display panel includes multiple pixel units, often
A pixel unit includes the first color sub-pixels, the second color sub-pixels, third color sub-pixels and at least one third face
Colorimetric compensation sub-pixel；Wherein, the corresponding emission wavelength of the third color sub-pixels is corresponding less than first color sub-pixels
Emission wavelength and second color sub-pixels emission wavelength, the image element driving method of the display panel includes:
It controls the third color compensating sub-pixel to work according to the first preset emission frequency, the first preset emission frequency is big
In 85Hz.
11. the image element driving method of display panel according to claim 10, which is characterized in that control the third color
Compensation sub-pixel works according to the first preset emission frequency, comprising:
During the entire working condition of the third color sub-pixels, the third color compensating sub-pixel is controlled according to
The work of one preset emission frequency；
Alternatively, controlling the third color sub-pixels and the third after the third color sub-pixels decay to preset value
Color compensating sub-pixel works at the same time, and the third color compensating sub-pixel works according to the first preset emission frequency；
Alternatively, control the third color sub-pixels after the third color sub-pixels decay to preset value and stop working, institute
Third color compensating sub-pixel is stated to work according to the first preset emission frequency；
Alternatively, each pixel unit includes multiple third color compensating sub-pixels, multiple third color compensatings are controlled
Sub-pixel is worked alternatively according to the first preset emission frequency.
12. a kind of display device, which is characterized in that including the described in any item display panels of the claims 1-7.
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| CN201811143329.8A CN109166470A (en) | 2018-09-28 | 2018-09-28 | Display panel and its image element driving method, display device, mask plate |
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