CN109509779A - A kind of pixel arrangement, organic light emitting display panel and display device comprising it - Google Patents
A kind of pixel arrangement, organic light emitting display panel and display device comprising it Download PDFInfo
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- CN109509779A CN109509779A CN201811503892.1A CN201811503892A CN109509779A CN 109509779 A CN109509779 A CN 109509779A CN 201811503892 A CN201811503892 A CN 201811503892A CN 109509779 A CN109509779 A CN 109509779A
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- 239000003086 colorant Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000005019 vapor deposition process Methods 0.000 description 3
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
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- Microelectronics & Electronic Packaging (AREA)
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Abstract
The embodiment of the present application provides a kind of pixel arrangement of display panel characterized by comprising along the repetitive unit of first direction and second direction array arrangement, the first direction is perpendicular to the second direction；Each repetitive unit includes the first sub-pixel column, the second sub-pixel column and the third sub-pixel column successively arranged along the first direction direction；First sub-pixel column and the third sub-pixel column respectively include two the first sub-pixels and two the second sub-pixels along second direction arrangement, and are arranged alternately along the first sub-pixel described in the second direction and second sub-pixel；Second sub-pixel column only includes a third sub-pixel along second direction arrangement.The application can promote blue lifetime by the adjustment of pixel arrangement under the premise of independent of material and device performance as far as possible.
Description
[technical field]
The present invention relates to field of display technology more particularly to a kind of pixel arrangement of organic light emitting display panel, include it
Organic light emitting display panel and organic light-emitting display device.
[background technique]
The service life of organic light emission (OLED) display panel, which endures to the fullest extent, at present denounces, and consumer complains organic after a period of use
Serious deviation occurs for the color of light emitting display panel.This is because the service life of blue light emitting material is shorter, when with using
Between blue light attenuation ratio it is more serious, and feux rouges and green light accompany and decay fewer, have resulted in the increase face for using the time
Color gradually shifts, and causes the service life of organic light emitting display panel shorter.The way of current solution life problems is 1,
Using the blue light material of longer life expectancy；2, increase the aperture opening ratio of blue subpixels.However, on the one hand, the quotient that can be produced in batches
With the service life of blue light emitting material, temporarily there are no breakthrough progress, and new material is expensive and importing needs cost a large amount of
Manpower and material resources and time cost.On the other hand, it is limited by existing pixel arrangement, the opening of blue subpixels can not be further
It is promoted.
[summary of the invention]
In view of this, the embodiment of the invention provides a kind of pixel arrangements of organic light emitting display panel, on solving
State technical problem.
On the one hand, the application provides a kind of pixel arrangement of organic light emitting display panel characterized by comprising along
The repetitive unit in one direction and second direction array arrangement, the first direction is perpendicular to the second direction；Each repetition
Unit includes the first sub-pixel column, the second sub-pixel column and the third sub-pixel column successively arranged along the first direction direction；
First sub-pixel column and the third sub-pixel column respectively include two the first sub-pixels along second direction arrangement
With two the second sub-pixels, and it is arranged alternately along the first sub-pixel described in the second direction and second sub-pixel；It is described
Second sub-pixel column only includes a third sub-pixel along second direction arrangement.
Optionally, along the first direction, two the first sub-pixels of the third sub-pixel and first pixel column
It is at least partly overlapping with two the second sub-pixels；And along the first direction, the third sub-pixel and the third pixel column
Two the first sub-pixels and two the second sub-pixels it is at least partly overlapping.
Optionally, the organic light emitting display panel includes pixel defining layer, and the pixel defining layer includes open region, respectively
Sub-pixel is correspondingly arranged with each open region；In a repetitive unit, the third sub-pixel corresponds to the same opening
Area.
Optionally, first sub-pixel respectively independently corresponds to an open region；Second sub-pixel is respectively independent right
Answer an open region；
Optionally, the third sub-pixel is correspondingly arranged on third luminescent material area, in a repetitive unit, institute
State the open region that third luminescent material area covers the third sub-pixel.
Optionally, second sub-pixel is correspondingly arranged on the second luminescent material area, in the adjacent repetitive unit,
The second adjacent sub-pixel shares second luminescent material area, and second luminescent material area covers the second adjacent son
The open region of pixel.
Optionally, first sub-pixel is correspondingly arranged on the first luminescent material area, in the adjacent repetitive unit,
The first adjacent sub-pixel shares first luminescent material area, and first luminescent material area covers the first adjacent son
The open region of pixel.
Optionally, along the first direction, the organic light emitting display panel first end and the second end；
Edge subpixel is classified as the first sub-pixel column or setting for being set to the repetitive unit of the first end
In the third sub-pixel column of the repetitive unit of the second end；The edge subpixel arranges not adjacent thereto described
Repetitive unit；First sub-pixel and second sub-pixel of the edge subpixel column are correspondingly arranged on first edge hair
Luminescent material area and second edge luminescent material area；First edge luminescent material area and first luminescent material area shape phase
Together；Second edge luminescent material area is identical with second luminescent material area shape；The edge subpixel column are far from aobvious
Show that the side in area is provided with the first virtual materials area and the second virtual materials area；Described in the covering of first edge luminescent material area
The open region of first sub-pixel and first virtual materials area；Second edge luminescent material area covers the second sub- picture
The open region and second virtual materials area of element.
Optionally, each repetitive unit includes four pixels, and each pixel includes first sub-pixel, one second son
Pixel；The public third sub-pixel of four pixels in a repetitive unit.
Optionally, first sub-pixel is red sub-pixel, and second sub-pixel is green sub-pixels, the third
Sub-pixel is blue subpixels, and the area of the third sub-pixel is greater than the area of first sub-pixel, and third
The area of pixel is greater than the area of second sub-pixel.
Optionally, the spacing between the second direction, the geometric center of each second sub-pixel is equal.
Optionally, between the geometric center of second sub-pixel in the first direction, same repetitive unit
Spacing is L1, and the spacing in adjacent repeat unit between the geometric center of the second adjacent sub-pixel is L2；Then 0.9≤L1/L2
≤1.2。
Optionally, the third sub-pixel includes four recesses, and each recess corresponds to each pixel setting；In each pixel
In, along the first direction, the recess covers first sub-pixel and second sub-pixel.
Optionally, in each pixel, along the second direction, the third sub-pixel and first sub-pixel are extremely
Small part is overlapping, and at least partly overlapping with the third sub-pixel and second sub-pixel.
On the other hand, the application provides a kind of manufacturing method of display panel, the organic light emitting display panel application
The pixel arrangement of organic light emitting display panel as described above.
Another aspect, the application provide a kind of display device, including display panel above-mentioned.
It, can be independent of material and device according to the pixel arrangement of organic light emitting display panel provided by the present application
Under the premise of energy, blue lifetime can be promoted by the adjustment of pixel arrangement as far as possible.
[Detailed description of the invention]
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, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the pixel arrangement schematic diagram of the organic light emitting display panel of the application one embodiment；
Fig. 2 is the schematic diagram of the organic light emitting display panel of Fig. 1 embodiment；
Fig. 3 is the schematic cross-section of the AA ' of the organic light emitting display panel of Fig. 1 embodiment；
Fig. 4 is the pixel arrangement schematic diagram of the organic light emitting display panel of the application another embodiment；
Fig. 5 is the pixel arrangement schematic diagram of the organic light emitting display panel of the application another embodiment；
Fig. 6 is the mask plate schematic diagram for being used to prepare a kind of organic light emitting display panel of the application；
Fig. 7 is a kind of another mask plate schematic diagram for the organic light emitting display panel for being used to prepare the application；
Fig. 8 is a kind of another mask plate schematic diagram for the organic light emitting display panel for being used to prepare the application；
Fig. 9 is the pixel arrangement schematic diagram of the organic light emitting display panel of the application another embodiment；
Figure 10 is the pixel arrangement schematic diagram of the organic light emitting display panel of the application another embodiment；
The pixel arrangement schematic diagram of the organic light emitting display panel of another embodiment of Figure 11 the application；
Figure 12 is the display device schematic diagram of the application one embodiment.
[specific embodiment]
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
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, it is obtained by those of ordinary skill in the art without making 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 only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It will be appreciated that though direction may be described using term first, second, third, etc. in embodiments of the present invention,
But these directions should not necessarily be limited by these terms.These terms are only used to for being distinguished from each other out in direction.For example, not departing from the present invention
In the case where scope of embodiments, first direction can also be referred to as second direction, and similarly, second direction can also be referred to as
One direction.
Serious deviation can occur with using the increase of time for the color of current organic light emitting display panel.This be by
Shorter in the service life of blue light emitting material, with using the attenuation ratio of time blue light more serious, and feux rouges and green light accompany and decline
Subtract fewer, has resulted in causing the longevity of organic light emitting display panel with using the increase color of time gradually to shift
It orders shorter.The way of current solution life problems is 1, using the blue light material of longer life expectancy；2, increase blue subpixels
Aperture opening ratio.On the one hand, the service life for the commercial blue light emitting material that can be produced in batches, temporarily there are no breakthrough progress, newly
Material price is expensive and importing needs to spend a large amount of manpower and material resources and time cost.On the other hand, it is limited by existing pixel
Arrangement, the opening of blue subpixels can not be promoted further.
The application provides a kind of novel pixel arrangement applied to organic light emitting display panel, can further expand
The aperture opening ratio of blue subpixels, to promote organic light emission under the premise of independent of blue light organic luminescent material and device
The service life of display panel.
Fig. 1 and Fig. 5 are please referred to, Fig. 1 is the pixel arrangement signal of the organic light emitting display panel of the application one embodiment
Figure.Fig. 5 is the pixel arrangement schematic diagram of the organic light emitting display panel of the application another embodiment；
In one embodiment of the application, the pixel arrangement of the organic light emitting display panel includes, along first direction and
The repetitive unit 40 of two direction array arrangements, the first direction is perpendicular to the second direction；Array arrangement refers to according to row
The mode of column carries out the arrangement of matrix form.Referring to FIG. 5, Fig. 5 shows 4 repetitive units 40 in organic light emitting display panel battle array
Arrange the schematic diagram of arrangement.Each repetitive unit 40 arranges to it in same a line or same row.
Each repetitive unit 40 includes the first sub-pixel column 31 successively arranged along the first direction direction, the second sub- picture
Plain column 32 and third sub-pixel column 33；First sub-pixel column 31 includes two the first sub-pixels 21 along second direction arrangement
With two the second sub-pixels 22, and alternately arranged along the first sub-pixel 21 described in the second direction and second sub-pixel 22
Cloth.The third sub-pixel column 33 includes two the first sub-pixels 31 and two the second sub-pixels along second direction arrangement
32, and be arranged alternately along the first sub-pixel 31 described in the second direction and second sub-pixel 32；Second sub-pixel column 32
It only include a third sub-pixel 23 along second direction arrangement.In the pixel row of the organic light emitting display panel of embodiment
In cloth, each repetitive unit 40 include four pixels, each pixel include first sub-pixel 21 and the second sub-pixel 22, four
A public third sub-pixel 23 of pixel.And the rendered pixel arrangement of the prior art, each pixel only includes two colors
Sub-pixel, another color are borrowed to other pixels.For example, the pixel of the prior art be RG, BR, GB, RG, BR ... wherein,
RG pixel lacks color B to the color of the brightness sub-pixel that is pixel includes of the BR pixel on side borrow B pixel
It is incomplete, at least lack a kind of color.And each pixel of the application includes the sub-pixel of three kinds of colors, compared to the prior art
Rendered pixel arrangement, more preferably, color is purer for display effect.
Further, first sub-pixel 21 can be red sub-pixel, and second sub-pixel 22 can be green
Sub-pixel, the third sub-pixel 23 can be blue subpixels, and the area of the third sub-pixel is greater than the described first sub- picture
The area of element, and the area of the third sub-pixel is greater than the area of second sub-pixel.That is third sub-pixel 23
For blue, and the area of blue subpixels is bigger.Light emission luminance and current density and light-emitting area are proportional.According to the present embodiment
Set-up mode, in the case that light emission luminance is constant, the light-emitting area of the present embodiment is increased, therefore current density can drop
It is low.Current density reduced so that the attenuation ratio of blue pixel was originally slower, and the service life will be longer.And the face of blue subpixels
Product can be such that more greatly itself and red, green sub-pixels decaying is more nearly, and only will cause prolonged use whole
The decline of body brightness, and color is not in serious deviation.It should be noted that the needs of the application third sub-pixel 23 are blue
Sub-pixels, but the first sub-pixel 21 and the second sub-pixel 22 can be red or green sub-pixels, but the first sub- picture
The color of element 21 and the second sub-pixel 22 is not identical.Embodiment below is all red sub-pixel with the first sub-pixel 21, simultaneously
Second sub-pixel 22 is green sub-pixels, and third sub-pixel 23 is illustrated for blue subpixels.
Further, in order to promote the areas of blue subpixels, along the first direction, third sub-pixel 23 and the first picture
Two the first sub-pixels 21 of plain column 31 and two the second sub-pixels 22 are at least partly overlapping；And along first direction, third sub- picture
Element 23 and two the first sub-pixels 21 of the third pixel column 33 and two the second sub-pixels 22 are at least partly overlapping.Due to this
In embodiment, in a repetitive unit 40, the public third sub-pixel 23 of four sub-pixels, third sub-pixel 23 be will affect
Light emitting region in each sub-pixel.It illustrates, third sub-pixel 23 is located at the centre of entire repetitive unit 40, if along
One direction, third sub-pixel 23 is only overlapping with the second sub-pixel 22 in the pixel unit in the upper left corner, then for the upper left corner
The position of light emitting region is on the lower side for pixel.Since four pixels share a third sub-pixel, for the picture in the lower left corner
Element, along first direction, third sub-pixel is just overlapping with the first sub-pixel 21, so just for its light emitting region of the pixel in the lower left corner
It can be on the upper side.It is similarly on the lower side for the pixel light emission region in the upper right corner, it is on the upper side for the pixel light emission region in the lower right corner.Thus can
It is different with the deviation in the pixel light emission region of even number line to there is odd-numbered line, will affect display effect.And in the present embodiment, setting the
Two the first sub-pixels 21 and two the second sub-pixels 22 of three sub-pixels 23 and the first pixel column 31 are all at least partly overlapping, the
Two the first sub-pixels 21 and two the second sub-pixels 22 of three sub-pixels 23 and third pixel column 33 are also all at least partly overlapping,
So that intermediate, problem that thus can be inconsistent to avoid odd-numbered line and even number line light emitting region is biased in light emitting region, promoted aobvious
Show the display effect of panel.
It is the schematic diagram of the organic light emitting display panel of Fig. 1 embodiment please further refer to Fig. 2 and Fig. 3, Fig. 2；Fig. 3 is figure
The schematic cross-section of the AA ' of the organic light emitting display panel of 1 embodiment.
Referring to FIG. 3, the display panel of the application includes substrate 110, substrate 110 can be rigid glass substrate can also
To be flexible polyimide substrate, and the active layer Poly on 110 surface of substrate is set, the grid on active layer Poly are set
Pole insulating layer 101 is arranged in the gate metal layer M1 on gate insulating layer 101, the first layer on gate metal layer M1 is arranged in
Between insulating layer 102, the capacitance metal layer Mc on interlayer insulating film 102 is set, the second layer on capacitance metal layer Mc is set
Between insulating layer 103, the data metal layer M2 on the second interlayer insulating film 103 is set, is arranged in flat on data metal layer M2
The first electrode Re on planarization layer 104 is arranged in smoothization layer 104, and the pixel defining layer 105 on first electrode Re is arranged in,
Wherein pixel defining layer 105 includes open region, and luminescent material Ma is provided in open region, and second electrode Ca is arranged in luminescent material
On Ma and pixel defining layer 105.The opening of pixel defining layer 105 defines the size of each sub-pixel.In the present embodiment, organic
Light emitting display panel includes pixel defining layer 105, and the pixel defining layer includes open region, and each sub-pixel is corresponding with each open region
Setting；First sub-pixel 21 is respectively independent to correspond to an open region 210；Second sub-pixel 22 is respectively opened for independent corresponding one
Mouth region 220；In a repetitive unit, the third sub-pixel corresponds in the same open region 230.By third sub- picture
Element 23 is arranged in the same open region 230, it is only necessary to a pixel-driving circuit be arranged, pel spacing can be allow to become
Greatly, make being easier for high pixel density (PPI) change.Promote the life time decay between blue lifetime reduction blue light and feux rouges, green light
Difference improves service life colour cast.
In another embodiment of the application, please refer to Fig. 4, Fig. 6, Fig. 7 and Fig. 8, Fig. 4 is another reality of the application
Apply the pixel arrangement schematic diagram of the organic light emitting display panel of example；Fig. 6 is a kind of organic light emitting display for being used to prepare the application
The mask plate schematic diagram of panel；Fig. 7 is that a kind of another mask plate for the organic light emitting display panel for being used to prepare the application shows
It is intended to；Fig. 8 is a kind of another mask plate schematic diagram for the organic light emitting display panel for being used to prepare the application；
Organic light emitting display panel at least needs the sub-pixel of three kinds of colors to realize full-color display, the one of the application
In kind embodiment, needs that red luminous organic material is deposited in the open region of pixel defining layer 210, need in pixel defining layer
Open region 220 in green luminous organic material is deposited, need that the organic hair of blue is deposited in the open region of pixel defining layer 230
Luminescent material.This just needs three kinds of mask plates, the first mask plate is when being deposited red luminous organic material, only in open region 210
Corresponding region setting opening, in other regions, setting is blocked；Second of mask plate is when being deposited green luminous organic material, only
It is arranged in the corresponding region in open region 220 and is open, setting is blocked in other regions；Second of mask plate is in the organic hair of vapor deposition blue
When luminescent material, only it is arranged in the corresponding region in open region 230 and is open, setting is blocked in other regions；And with high pixel density
(PPI) open region of the development of organic light emitting display panel, sub-pixel is smaller and smaller.And make the mask plate of evaporation material by
It is formed on the mask plate manufacture craft limit.In the embodiment itself asked, the area of third sub-pixel 23 is maximum, and mask plate is opened
The pressure of mouth technique is minimum, and therefore, third sub-pixel 23 is correspondingly arranged on third luminescent material area 231, in a repetition
In unit, third luminescent material area 231 covers the open region 230 of the third sub-pixel.It should be noted that the present embodiment
One third luminescent material area is that third luminescent material is deposited by an opening of third mask plate to aobvious during vapor deposition
Show what the surface of panel was formed.Its boundary can be found out by ultraviolet or other wavelength lights excitations.The third of the application is sent out
The case where open region 230 can also prevent contraposition deviation from vapor deposition being caused to misplace is completely covered in luminescent material area 231.Specifically,
Referring to FIG. 8, Fig. 8 is the mask plate that third sub-pixel 23 is deposited, the corresponding third luminescent material area 231 in open region 232 is set
It sets, in vapor deposition process, third luminescent material arrives third luminescent material area 231 by the vapor deposition of opening 232 of mask plate, and completely
Cover the opening 230 of third sub-pixel.
In the product of high PPI, the area of open region is smaller for the first sub-pixel 21 and the second sub-pixel 22,
Assuming that the opening size of mask plate is suitable with the area of open region 210 and open region 220, both colour light emitting materials will be deposited
The mask plate of material makes difficulty, and therefore, in the present embodiment, second sub-pixel 22 is correspondingly arranged on the second luminescent material area
221, in the adjacent repetitive unit, the second adjacent sub-pixel 22 shares second luminescent material area 221, institute
State the open region 220 that the second luminescent material area 221 covers the second adjacent sub-pixel.The present embodiment will be in adjacent repetitive unit
Second sub-pixel 22 of same color shares a mask plate opening during vapor deposition, and the opening of mask plate is done
To original 2 times or more, it is advantageously implemented the display panel of high PPI.Specifically, the limit of the opening of such as mask plate is 10 micro-
Rice, is probably also 10 microns according to the corresponding pixel defining layer open region of prior art sub-pixel, but according to the present embodiment, son
The corresponding pixel defining layer open region of pixel can accomplish 5 microns, can thus be used to make the higher display panel of PPI.
One second luminescent material area of the present embodiment is that the second luminescent material is opened during vapor deposition by one of the second mask plate
Mouth vapor deposition is formed to the surface of display panel.Its boundary can be found out by ultraviolet or other wavelength lights excitations.Specifically
, referring to FIG. 7, Fig. 7 is the mask plate that the second sub-pixel 22 is deposited, the corresponding second luminescent material area 221 of opening 222 is set
It sets, in vapor deposition process, the second luminescent material is deposited by the opening 222 of mask plate to the second luminescent material area 221, and completely
Cover the open region 220 of the second sub-pixel of adjacent two in adjacent repetitive unit.
Likewise, first sub-pixel 21 is correspondingly arranged on the first luminescent material area 211, it is single in the adjacent repetition
In member, the first adjacent sub-pixel 21 shares first luminescent material area 211, and first luminescent material area 211 is covered
Cover the open region 210 of the first adjacent sub-pixel.One first luminescent material area of the present embodiment is that the first luminescent material is steaming
What an opening vapor deposition during plating by the first mask plate was formed to the surface of display panel.Can by it is ultraviolet or its
Its boundary is found out in the excitation of his wavelength light.Specifically, referring to FIG. 6, Fig. 6 be deposited the first sub-pixel 21 mask plate,
Corresponding first luminescent material area 211 setting of opening 212, in vapor deposition process, the first luminescent material passes through the opening 212 of mask plate
The first sub-pixel of adjacent two for being deposited to the first luminescent material area 211, and being completely covered in adjacent repetitive unit is opened
Mouth region 210.
Further, the repetitive unit at organic light emitting display panel left and right edges does not have repetition list adjacent thereto
Member will lead to the first luminescent material area of edge and the area in the second luminescent material area when application above-mentioned technical proposal
It is inconsistent with other regions of display panel, it thus needs to be deposited inconsistent with the openings of sizes of mask plate, will cause exposure mask
Plate complex manufacturing technology, yield decline.And it be easy to cause mask plate to throw the net unbalanced stress one, causes suffering of throwing the net, influence to give birth to
Produce efficiency.
Referring to FIG. 5, Fig. 5 is the pixel arrangement schematic diagram of the organic light emitting display panel of the application another embodiment；
In the present embodiment, along first direction, which includes first end 101 and the second end 102；
Edge subpixel be classified as the repetitive unit for being set to the first end 101 the first sub-pixel column 31 or
It is set to the third sub-pixel column 33 of the repetitive unit of the second end 102；The edge subpixel column are without therewith
The adjacent repetitive unit 40；
First sub-pixel 21 and second sub-pixel 22 of edge subpixel column are correspondingly arranged on first edge
Luminescent material area 213 and second edge luminescent material area 223；First edge luminescent material area 213 and described first shines
211 shape of material sections is identical；Second edge luminescent material area 223 is identical with second luminescent material area, 221 shapes；
The edge subpixel arranges the side far from viewing area and is provided with the first virtual materials area 2130 and the second virtual material
Expect area 2230；First edge luminescent material area 213 covers the open region 210 and described first of first sub-pixel virtually
Material sections 2130；Second edge luminescent material area 223 covers the open region 220 of second sub-pixel and described second empty
Quasi- material sections 2230.The present embodiment makes the first sub- picture at edge by the first virtual materials area of setting and the second virtual materials area
The shape in element 21 and 22 corresponding first edge luminescent material area 213 of the second sub-pixel and second edge luminescent material area 223 point
It is not identical in the first luminescent material area 211 and the second luminescent material area 221, so that the mask plate of vapor deposition luminescent material
It is open uniform, reduces the preparation difficulty of mask plate.The difficulty of throwing the net of mask plate is reduced simultaneously, improves production efficiency.Further,
Fig. 6 and Fig. 7 are please referred to, Fig. 6 is the mask plate for the first sub-pixel 21 to be deposited, 212 edge regions that are open and middle area
The shape in domain is identical；Fig. 7 is the mask plate for the second sub-pixel 22 to be deposited, 222 edge regions that are open and intermediate region
Shape it is identical.
Human eye is more sensitive for the light of green, generally using green as the center of pixel.If green in each pixel
The inconsistent problem that will result in display effect difference in the position of sub-pixels.As shown in figure 9, Fig. 9 is another implementation of the application
The pixel arrangement schematic diagram of the organic light emitting display panel of example；The second sub-pixel 22 is green sub-pixels in the present embodiment, at this
In a repetitive unit in embodiment, the position of the green sub-pixels in each pixel is almost the same.It all occupies positioned at pixel
Lower middle position.
Further, referring to FIG. 10, Figure 10 is the pixel of the organic light emitting display panel of the application another embodiment
Arrangement schematic diagram；In the present embodiment, in a second direction, the spacing between the geometric center of each second sub-pixel 22 is equal.Specifically
, with reference to Figure 10, in same repetitive unit, the spacing between the second sub-pixel 22 adjacent along first direction is L3；Adjacent
In repetitive unit, the spacing between two the second sub-pixels 22 adjacent along first direction is L4, and L3 is equal to L4.Setting exists in this way
On column direction, green sub-pixels are evenly distributed, are conducive to the display effect for promoting organic light emitting display panel.
Further, with continued reference to FIG. 10,
Along first direction, the spacing between the geometric center of second sub-pixel 22 in same repetitive unit 40 is
L1, the spacing in adjacent repeat unit between the geometric center of the second adjacent sub-pixel 22 are L2；Then 0.9≤L1/L2≤
1.2.Preferably, L1=L2.In this way, in the row direction, green sub-pixels are evenly distributed, it is aobvious to be conducive to promotion organic light emission
Show the display effect of panel.
But on the other hand, the set-up mode compared to Fig. 1, third sub-pixel 23 is compressed along the width of first direction,
Leading to the area of blue subpixels reduces, and the requirement of client is not achieved in the service life.The increase for using the time therewith, be easy to cause indigo plant
Color attenuation ratio red and green serious, leads to serious colour cast.Therefore, further, please refer to Figure 11, Figure 11 the application another
The pixel arrangement schematic diagram of the organic light emitting display panel of embodiment；
In the present embodiment, third sub-pixel 23 includes four recesses 235, the corresponding each pixel setting of each recess 235；?
In each pixel, along the first direction, the recess 235 covers first sub-pixel 21 and second sub-pixel 22.This
The area that can promote blue subpixels 23 as far as possible under the premise of meeting the set-up mode of above-mentioned green sub-pixels is arranged in sample.Shape
Protrusion at recess 235 is exactly the area of increased blue subpixels.
Further, in each pixel, along the second direction, the third sub-pixel 23 and first sub-pixel 21
It is at least partly overlapping and at least partly overlapping with the third sub-pixel 23 and second sub-pixel 22.According to embodiment
Set-up mode can make green sub-pixels position it is consistent in each pixel under the premise of, promote the face of blue subpixels
Product so that the service life of blue subpixels because area increase, the reduction of current density and it is longer.And with red sub-pixel,
Service life of green sub-pixels is close, with using the increase of time not generate apparent color offset.
A kind of organic light emitting display panel 100 and organic light-emitting display device is also disclosed in the application.Organic hair of the application
The pixel arrangement of the above-mentioned organic light emitting display panel of light display panel applications.The organic light-emitting display device of the application may include
Organic light emitting display panel as described above.Cellular mobile phone 1000 including but not limited to as shown in figure 12, plate electricity
Brain, computer display, applied in intelligent wearable device display, applied on the vehicles such as automobile display dress
Set etc..As long as display device contains display panel included by display device disclosed in the present application, it is just contemplated as falling within this
Within the protection scope of application.
It, can be independent of material and device according to the pixel arrangement of organic light emitting display panel provided by the present application
Under the premise of energy, blue lifetime can be promoted by the adjustment of pixel arrangement as far as possible.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (16)
1. a kind of pixel arrangement of organic light emitting display panel characterized by comprising
Along the repetitive unit of first direction and second direction array arrangement, the first direction is perpendicular to the second direction；
Each repetitive unit include the first sub-pixel column successively arranged along the first direction direction, the second sub-pixel column and
Third sub-pixel column；
First sub-pixel column and the third sub-pixel column respectively include two first sons along second direction arrangement
Pixel and two the second sub-pixels, and be arranged alternately along the first sub-pixel described in the second direction and second sub-pixel；
Second sub-pixel column only includes a third sub-pixel along second direction arrangement.
2. the pixel arrangement of organic light emitting display panel according to claim 1, which is characterized in that
Along the first direction, two the first sub-pixels and two second sons of the third sub-pixel and first pixel column
Pixel is at least partly overlapping；And along the first direction, two first sons of the third sub-pixel and the third pixel column
Pixel and two the second sub-pixels are at least partly overlapping.
3. the pixel arrangement of organic light emitting display panel according to claim 1, which is characterized in that
The organic light emitting display panel includes pixel defining layer, and the pixel defining layer includes open region, each sub-pixel and each
Open region is correspondingly arranged；
In a repetitive unit, the third sub-pixel corresponds to the same open region.
4. the pixel arrangement of organic light emitting display panel according to claim 3, which is characterized in that
First sub-pixel respectively independently corresponds to an open region；
Second sub-pixel respectively independently corresponds to an open region.
5. the pixel arrangement of organic light emitting display panel according to claim 3, which is characterized in that
The third sub-pixel is correspondingly arranged on third luminescent material area, and in a repetitive unit, the third shines
Material sections cover the open region of the third sub-pixel.
6. according to the pixel arrangement of claim 4 organic light emitting display panel, which is characterized in that
Second sub-pixel is correspondingly arranged on the second luminescent material area, in the adjacent repetitive unit, adjacent second
Sub-pixel shares second luminescent material area, and second luminescent material area covers the opening of the second adjacent sub-pixel
Area.
7. the pixel arrangement of organic light emitting display panel according to claim 4, which is characterized in that
First sub-pixel is correspondingly arranged on the first luminescent material area, in the adjacent repetitive unit, adjacent first
Sub-pixel shares first luminescent material area, and first luminescent material area covers the opening of the first adjacent sub-pixel
Area.
8. the pixel arrangement of organic light emitting display panel described according to claim 6 or 7, which is characterized in that
Along the first direction, the organic light emitting display panel first end and the second end；
Edge subpixel is classified as the first sub-pixel column for being set to the repetitive unit of the first end or is set to institute
State the third sub-pixel column of the repetitive unit of the second end；The edge subpixel arranges the repetition not adjacent thereto
Unit；
First sub-pixel and second sub-pixel of the edge subpixel column are correspondingly arranged on the luminous material of first edge
Expect area and second edge luminescent material area；First edge luminescent material area is identical with first luminescent material area shape；
Second edge luminescent material area is identical with second luminescent material area shape；
The edge subpixel arranges the side far from viewing area and is provided with the first virtual materials area and the second virtual materials area；It is described
First edge luminescent material area covers the open region and first virtual materials area of first sub-pixel；The second edge
Luminescent material area covers the open region and second virtual materials area of second sub-pixel.
9. the pixel arrangement of organic light emitting display panel according to claim 1, which is characterized in that
Each repetitive unit includes four pixels, and each pixel includes first sub-pixel, second sub-pixel；At one
The public third sub-pixel of four pixels in the repetitive unit.
10. the pixel arrangement of organic light emitting display panel according to claim 1, which is characterized in that
First sub-pixel is red sub-pixel, and second sub-pixel is green sub-pixels, and the third sub-pixel is indigo plant
Sub-pixels, the area of the third sub-pixel are greater than the area of first sub-pixel, and the area of the third sub-pixel
Greater than the area of second sub-pixel.
11. the pixel arrangement of organic light emitting display panel according to claim 10, which is characterized in that
Along the second direction, the spacing between the geometric center of each second sub-pixel is equal.
12. the pixel arrangement of organic light emitting display panel according to claim 10, which is characterized in that
Along the first direction, the spacing between the geometric center of second sub-pixel in same repetitive unit is L1, phase
Spacing in adjacent repetitive unit between the geometric center of the second adjacent sub-pixel is L2；Then 0.9≤L1/L2≤1.2.
13. the pixel arrangement of organic light emitting display panel according to claim 11, which is characterized in that
The third sub-pixel includes four recesses, and each recess corresponds to each pixel setting；
In each pixel, along the first direction, the recess covers first sub-pixel and second sub-pixel.
14. the pixel arrangement of 3 organic light emitting display panels according to claim 1, which is characterized in that
In each pixel, along the second direction, the third sub-pixel and first sub-pixel are at least partly overlapping,
And it is at least partly overlapping with the third sub-pixel and second sub-pixel.
15. a kind of organic light emitting display panel, it is characterised in that any one of described organic light emitting display panel application power 1~14 institute
The pixel arrangement for the organic light emitting display panel stated.
16. a kind of organic light-emitting display device, which is characterized in that including the organic light emitting display panel described in claim 15.
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| CN201811503892.1A CN109509779B (en) | 2018-12-10 | 2018-12-10 | Pixel arrangement, organic light-emitting display panel comprising same and display device |
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| WO2022116730A1 (en) * | 2020-12-01 | 2022-06-09 | 京东方科技集团股份有限公司 | Pixel structure, fine metal mask plate, display device, and control method |
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| WO2021253795A1 (en) * | 2020-06-17 | 2021-12-23 | 深圳市华星光电半导体显示技术有限公司 | Display panel and preparation method therefor, and defect repairing method for display panel |
| WO2022116730A1 (en) * | 2020-12-01 | 2022-06-09 | 京东方科技集团股份有限公司 | Pixel structure, fine metal mask plate, display device, and control method |
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