CN107086239A - Dot structure and preparation method thereof and display device - Google Patents
Dot structure and preparation method thereof and display device Download PDFInfo
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- CN107086239A CN107086239A CN201710266717.4A CN201710266717A CN107086239A CN 107086239 A CN107086239 A CN 107086239A CN 201710266717 A CN201710266717 A CN 201710266717A CN 107086239 A CN107086239 A CN 107086239A
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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
- H10K59/1201—Manufacture or treatment
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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
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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Abstract
The invention belongs to display technology field, and in particular to a kind of dot structure and preparation method thereof and display device.The dot structure includes multiple sub-pixels, the sub-pixel is the first sub-pixel, the second sub-pixel and the 3rd sub-pixel, first sub-pixel, second sub-pixel and the 3rd sub-pixel cycle arrangement successively in the row direction, same sub-pixel per adjacent rows is separated by arrangement in a column direction, and specular is set the same sub-pixel of adjacent lines in a column direction；Second sub-pixel is located on the center line between a sub-pixel for adjacent lines and the 3rd sub-pixel, second sub-pixel with first sub-pixel described in the 3rd sub-pixel and one constitutes a pixel cell in its adjacent a line and described in adjacent thereto one.The display uniformity of chromaticity of the dot structure is more preferable；And fine metal mask plate the number of openings is reduced, reduce the manufacture difficulty of metal mask plate, it is easier to prepare high-resolution OLED products.
Description
Technical field
The invention belongs to display technology field, and in particular to a kind of dot structure and preparation method thereof and including the pixel knot
The display device of structure.
Background technology
Conventional panel display apparatus generally includes LCD (Liquid Crystal Display：Liquid crystal display device) and
OLED(Organic Light-Emitting Diode:Organic Light Emitting Diode) display device.Especially OLED display,
Many advantages, such as there is self-luminous, fast response time, wide viewing angle compared with LCD, it is adaptable to which Flexible Displays, Transparence Display, 3D show
A variety of applications such as show.
At present, in the preparation technology of top emitting active matrix organic light-emitting diode (AMOLED) display device, generally
Using fine metal mask plate (Fine Metal Mask, abbreviation FMM), it is deposited by vacuum evaporation process, utilizes fine
Perforate in metal mask plate controls the area and shape of organic material to manufacture OLED each layer.Wherein, fine metal is covered
Template typically have the sub-pixel of different colours in the limitation of smallest aperture, evaporation process have opening spacing limitation, high-resolution
It is difficult to make the best of both worlds with maximum pixel aperture opening ratio.And fine metal mask plate has bottleneck in manufacturing process, cause
The pixel resolution (Pixels Per Inch, abbreviation PPI) of AMOLED products is very limited, the fine and smooth degree of picture display
On can not be compared with high PPI LCD products.
Because the manufacture difficulty of fine metal mask plate is very big, the resolution ratio more and more higher of product is particularly shown,
The number of openings of fine metal mask plate is very big, and metal mask plate manufacture difficulty is increasing, fine metal mask plate
Price is very expensive.In addition, the bad of fine metal mask plate can cause organic elctroluminescent device colour mixture etc. occur
Defect, and fine metal mask plate it is more, more easily occur that product is bad, so as to reduce the yield of product.
It can be seen that, how display device is realized each maximum excellent between the perforate of high-resolution and fine metal mask plate
Gesture, as technical problem urgently to be resolved hurrily at present.
The content of the invention
The technical problems to be solved by the invention are that there is provided a kind of pixel knot for above shortcomings in the prior art
How structure and preparation method thereof and the display device including the dot structure, at least realize display device in high-resolution and height
The problem of respective sharpest edges being realized between the perforate of fine metal mask plate.
It is the dot structure to solve the technical scheme that is used of present invention problem, including multiple sub-pixels, wherein, institute
Sub-pixel is stated for the first sub-pixel, the second sub-pixel and the 3rd sub-pixel, first sub-pixel, second sub-pixel and institute
The 3rd sub-pixel cycle arrangement successively in the row direction is stated, the same sub-pixel per adjacent rows is separated by arrangement in a column direction,
And specular is set the same sub-pixel of adjacent lines in a column direction；
Second sub-pixel is located on the center line between a sub-pixel for adjacent lines and the 3rd sub-pixel,
Second sub-pixel and the first son in its adjacent a line and described in the 3rd sub-pixel and one described in adjacent thereto one
Pixel constitutes a pixel cell.
Preferably, the geometric center of first sub-pixel in same a line or same row is located along the same line,
The geometric center of second sub-pixel in same a line or same row is located along the same line, in same a line or same row
The geometric center of the 3rd sub-pixel be located along the same line.
Preferably, first sub-pixel, second sub-pixel and the 3rd sub-pixel be shaped as have pair
Claim axle symmetric figure, the bearing of trend of the symmetry axis of first sub-pixel parallel to column direction, second sub-pixel
The bearing of trend of symmetry axis is parallel to column direction, and the bearing of trend of the symmetry axis of the 3rd sub-pixel is parallel to column direction.
Preferably, first sub-pixel, second sub-pixel and the 3rd sub-pixel be shaped as triangle,
Any one in quadrangle, pentagon, hexagon or octagon.
Preferably, the shape of first sub-pixel, second sub-pixel and the 3rd sub-pixel is five sides
Shape, the pentagon includes two right angle interior angles and three 120 ° of interior angles.
Preferably, the area of the 3rd sub-pixel is more than the area of first sub-pixel, first sub-pixel
Area be more than second sub-pixel area.
Preferably, the display color of first sub-pixel is red or blueness, the display face of second sub-pixel
Color is green, and the display color of the 3rd sub-pixel is blueness or red.
Preferably, the pixel cell adjacent in same column is arranged alternately successively in the form of trapezoid, inverted trapezoidal.
A kind of preparation method of above-mentioned dot structure, wherein：
Adjacent lines, specular setting in a column direction first sub-pixel is using the same of same metal mask plate
One perforate is deposited to be formed；
Adjacent lines, specular setting in a column direction second sub-pixel is using the same of same metal mask plate
One perforate is deposited to be formed；
Adjacent lines, specular setting in a column direction the 3rd sub-pixel is using the same of same metal mask plate
One perforate is deposited to be formed.
A kind of display device, including above-mentioned dot structure.
The beneficial effects of the invention are as follows：
The dot structure causes phase by the way that the every two rows pixel of different colours sub-pixel is arranged with opposite loop direction
Specular is set the same color sub-pixel of adjacent rows in a column direction, red sub-pixel, green when constituting pixel cell
Pixel and blue subpixels are arranged in trapezoid or inverted trapezoidal so that display uniformity of chromaticity is more preferable；
Further, since two sub-pixels of adjacent lines same color are deposited by one perforate of metal mask plate, reduce
Fine metal mask plate the number of openings, reduces the manufacture difficulty of metal mask plate, it is easier to prepare high-resolution OLED
Product.
Brief description of the drawings
Fig. 1 is the schematic diagram of dot structure in the embodiment of the present invention 1；
Fig. 2 is the schematic diagram of the minimum repeat unit of dot structure in the embodiment of the present invention 1；
Fig. 3 is the arrangement schematic diagram of multiple pixel cells in the embodiment of the present invention 1；
Fig. 4 A- Fig. 4 C are the structural representation of the metal mask plate of the sub-pixel of various different colours in the embodiment of the present invention 1
Figure；
Fig. 5 is the schematic diagram of each sub-pixel size in single pixel cell in Fig. 1；
Fig. 6 is the schematic diagram of size between adjacent each sub-pixel of different colours in Fig. 1；
In reference：
The sub-pixels of 1- first；The sub-pixels of 2- second；The sub-pixels of 3- the 3rd；4- pixel cells；5- metal mask plates.
Embodiment
To make those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and specific embodiment party
Display device of the formula to present invention pixel structure and preparation method thereof and including the dot structure is described in further detail.
Embodiment 1：
The present embodiment provides a kind of dot structure, is formed for AMOLED dot structure using FMM, because FMM is in manufacture
Technologic bottleneck, causes the problem of defects such as colour mixture occurs in OLED display device, by changing sub-pixel shape and arrangement side
Formula (Arrangement of RGB pixel), high score can be prepared by being not required to do metal mask plate huge number of perforate
Resolution product so that the uniformity of chromaticity of display device is more preferable.
As shown in figure 1, the dot structure includes the first sub-pixel 1, the second sub-pixel 2 and the 3rd sub-pixel 3, wherein, the
One sub-pixel 1, the second sub-pixel 2 and the 3rd sub-pixel 3 cycle arrangement successively, the same sub- picture per adjacent rows in the row direction
Element is separated by arrangement in a column direction, and specular is set the same sub-pixel of adjacent lines in a column direction；Second sub-pixel 2
On center line between a sub-pixel 1 of adjacent lines and the 3rd sub-pixel 3, the second sub-pixel 2 with positioned at its adjacent a line
In and one the 3rd sub-pixel 3 adjacent thereto and one first sub-pixel 1 constitute a pixel cell 4.
Wherein, the display color of the first sub-pixel 1 is red or blueness, and the display color of the second sub-pixel 2 is green, the
The display color of three sub-pixels 3 is blueness or red.Above-mentioned red, green and blueness is that the sub-pixel structure is had in itself
Can realize the color of colored display, the color of luminescent layer for example, in organic electroluminescent LED, in normal pressurization state
Under, the corresponding color that the luminescent layer can be sent.Using the display color of the first sub-pixel 1 as red R (Red) in the present embodiment,
The display color of second sub-pixel 2 is green G (Green), and the display color of the 3rd sub-pixel 3 is used as blueness B (Blue) to be shown
Example.
Same sub-pixel per adjacent rows is separated by arrangement in the row direction, that is, refers to：Every two rows sub-pixel is considered as one
It is overall, such as the i-th row and i+1 row, then entirety substantially the first sub-pixel 1, the second sub-pixel 2 and the 3rd sub-pixel 3 have
There are two rows of same loop orientation, loop direction can be considered RGB ... RGB；With it in adjacent other of above-below direction four
OK, i-th -2/ the i-th -1 row of row and the row of the i-th+2 row/the i-th+3, the first sub-pixel 1, the second sub-pixel 2 and the 3rd sub-pixel mutually be should be
3 also have a same loop orientation, and with the first sub-pixel 1 in the i-th row and i+1 row this two row, the second sub-pixel 2 and the
Three sub-pixels 3 are separated by the arrangement of two row, in same row starting point, loop direction can be considered BRG ... BRG respectively.
It should be noted that due to the limitation of process conditions, the position relationship of each sub-pixel is not necessarily accurately met
Position relationship is stated, such as range error belongs to the pixel arrangement structure of the present embodiment within 10%.It is illustrated in figure 2 the picture
In plain structural arrangement mode, the schematic diagram of pixel minimum repeat unit.
The principle of colored display is realized according to three primary colors colour mixture, the present embodiment is arranged by the sub-pixel structure of pixel cell 4
The change of row so that the sub-pixel of same color can constitute pixel cell with the sub-pixel of other adjacent colors, and make
It is same color to obtain the adjacent subpixels in adjacent lines, same row, so that two sub-pixels of same color are using steaming
Depositing process can be deposited to be formed during being prepared with the same perforate of same metal mask plate.In Fig. 1, adjacent same color
Mirror alignment is presented in sub-pixel.Wherein, the first sub-pixel 1 is arranged in columns every two rows in a column direction, the first sub- picture of adjacent lines
Specular is set element 1 in a column direction；Second sub-pixel 2 is arranged in columns every two rows in a column direction, the second son of adjacent lines
Specular is set pixel 2 in a column direction；3rd sub-pixel 3 is arranged in columns every two rows in a column direction, and the 3rd of adjacent lines the
Specular is set sub-pixel 3 in a column direction.Because the first sub-pixel 1, the second sub-pixel 2 and the 3rd sub-pixel 3 are formed with
The arrangement of rule, and same sub-pixel in position very close to, therefore after anode pattern is respectively completed, same color
The sub-pixel of adjacent lines can be deposited to be formed with the same perforate of same metal mask plate.
Evaporation process is also named vacuum coating, that is, refers to and material or material to be filmed are evaporated or distilled, and in substrate
Or workpiece surface is separated out；In order to form certain pattern, it can block and not formed in substrate or workpiece surface using FMM formation
Material or material to be filmed.Now, although forming the organic material of dot structure will be formed by FMM in whole opening area
The top of corresponding anode layer, but it is only to be attached to the part above anode that can actually turn into the Rotating fields of dot structure, and
For the part being not attached to above anode, display can't be played a part of as retained material.
Preferably, the geometric center of the first sub-pixel 1 in same a line or same row is located along the same line, and is in
Geometric center with a line or the second sub-pixel 2 of same row is located along the same line, and the in same a line or same row the 3rd
The geometric center of sub-pixel 3 is located along the same line.Set based on such, can realize that the different sub-pixel of color exists
Whole display panel is uniformly distributed, it is ensured that the uniformity of display effect, the picture for obtaining higher quality show, while simplifying this
The preparation technology of dot structure.
Wherein, the first sub-pixel 1, the second sub-pixel 2 and the 3rd sub-pixel 3 are shaped as the symmetric graph with symmetry axis
Shape, the bearing of trend of the symmetry axis of the first sub-pixel 1 is parallel to column direction, and the bearing of trend of the symmetry axis of the second sub-pixel 2 is put down
Row is in column direction, and the bearing of trend of the symmetry axis of the 3rd sub-pixel 3 is parallel to column direction.Using fine metal mask plate
During FMM formation dot structures, FMM would generally be stretched along line direction or column direction in technical process, due to sub-pixel
The symmetry axis of figure is arranged along row side or column direction, therefore because of FMM drawing process sub-pixel shape will not be caused to be deformed,
So as to can guarantee that the correct position of each sub-pixel in dot structure.Here it will be understood that the spacing between each sub-pixel can
To be flexibly designed as needed, with the precision for the display screen for ensureing multiple sub-pixel formation.
Using all sub-pixels of same metal mask plate one color of formation, the shapes of two sub-pixels as far as possible with gold
The hole shape for belonging to mask plate is identical, obtains aperture opening ratio as big as possible.Preferably, the first sub-pixel 1, the second sub-pixel 2
With any one being shaped as in triangle, quadrangle, pentagon, hexagon or octagon of the 3rd sub-pixel 3.Actually should
In, can flexibly it be set according to actual conditions such as the requirements of the application scenario of display panel or display effect.
It may further be preferable that as shown in Fig. 2 the shape of the first sub-pixel 1, the second sub-pixel 2 and the 3rd sub-pixel 3 is equal
For pentagon, pentagon includes two right angle interior angles and three 120 ° of interior angles.That is, each sub-pixel is in pentagon, and interior angle includes
Two interior right angles and three 120 ° of interior angles.
It should be understood that the form of each sub-pixel can carry out a variety of conjunctions and arrangement according to actual conditions in pixel cell 4,
Such as can the actual conditions according to the application scenario of display panel or the display effect of customer requirement flexibly set.In addition,
Consider display panel wiring and metal mask plate manufacture craft, the first sub-pixel 1, the second sub-pixel 2 and the 3rd sub-pixel 3 exist
Knuckle can be provided with chamfering, with the independence of display color between preferably each sub-pixel of acquisition.
The preparation method provided based on above-mentioned dot structure, when carrying out evaporation process, adjacent lines, in a column direction
The first sub-pixel 1 that specular is set is deposited to be formed using the same perforate of same metal mask plate；Adjacent lines, in row side
The second sub-pixel 2 that upward specular is set is deposited to be formed using the same perforate of same metal mask plate；Adjacent lines,
The 3rd sub-pixel 3 that specular is set on column direction is deposited to be formed using the same perforate of same metal mask plate.Identical face
The sub-pixel of color can be deposited with same metal mask plate, two sub- pixel energies of adjacent lines same color metal mask plate one
Perforate is deposited, therefore obtains aperture opening ratio as big as possible, and such as Fig. 4 A- Fig. 4 C show the structure of metal mask plate 5, and Fig. 4 A are
The formation metal mask plate of red sub-pixel, Fig. 4 B are the formation metal mask plate of green sub-pixels, and Fig. 4 C are blue subpixels
Formation metal mask plate.
In same pixel cell, the area of the 3rd sub-pixel 3 is more than the area of the first sub-pixel 1, the first sub-pixel 1
Area is more than the area of the second sub-pixel 2.For organic light emitting diodde desplay device, because compared to red and green, blueness
The usual luminous efficiency of luminescent material is minimum and the life-span is relatively short, thus blue subpixels area can be more than red sub-pixel and
Green sub-pixels area.Further, since human eye is more sensitive to green, and green luminescent material efficiency highest, therefore green
Elemental area can make minimum, the i.e. area of the second sub-pixel 2 can with respect to the area of the first sub-pixel 1 and the 3rd sub-pixel 3
With the smaller of setting.Meanwhile, the higher green sub-pixels of human eye identification degree are uniformly distributed on line direction and column direction, it is ensured that
Display quality on line direction and column direction.Form the first sub-pixel 1, the second sub-pixel 2 corresponding with the figure of the 3rd sub-pixel 3
The perforate in FMM, the either FMM of red sub-pixel, blue subpixels or green sub-pixels perforate spacing
Increase, therefore it is very beneficial for FMM designs and organic layer evaporation process, it is easier to realize high-resolution.
On the overall arrangement of pixel cell 4, as shown in figure 3, pixel cell 4 adjacent in same column with trapezoid,
The form of inverted trapezoidal is arranged alternately successively, i.e. RGB is arranged in trapezoid or inverted trapezoidal.In the present embodiment, each pixel list
Member 4 is still to be made up of a red sub-pixel, a green sub-pixels and a blue subpixels, red son in each pixel
Pixel, green sub-pixels and blue subpixels are arranged in trapezoid or inverted trapezoidal.
The dot structure receives pixel display information data, the first sub-pixel 1, the second sub-pixel 2 and the by data wire
Three sub-pixels 3 can be independent display.Accordingly, the first sub-pixel 1, the second sub-pixel 2 and the 3rd sub-pixel 3 respectively respectively with
One data line is connected, and data wire is used to receive pixel display information.The dot structure can use existing type of drive, will not
Increase driving difficulty.
As a specific example, in high-resolution products 5.5QHD (Quarter High Definition, i.e. FULL
HD 1920 × 1080 a quarter) in product, pixel key parameter is as shown in the table in the present embodiment：
Pixel key parameter list
Certainly, the sized data in Fig. 5 in the sized data and Fig. 6 of each sub-pixel between each sub-pixel is preferred number
According to red sub-pixel therein, the size of green sub-pixels and blue subpixels or size of space not limited to this.
In dot structure in the present embodiment, by by the every two rows pixel of different colours sub-pixel with opposite loop direction
Arrangement, and cause the same color sub-pixel specular setting in a column direction of adjacent lines, it is red when constituting pixel cell
Sub-pixel, green sub-pixels and blue subpixels are arranged in trapezoid or inverted trapezoidal so that display uniformity of chromaticity is more preferable.Separately
Outside, because two sub-pixels of adjacent lines same color are deposited by one perforate of metal mask plate, fine gold is reduced
Belong to mask plate the number of openings, reduce the manufacture difficulty of metal mask plate, it is easier to prepare high-resolution OLED products.
Embodiment 2：
The present embodiment provides a kind of display device, and the display device includes the dot structure in embodiment 1.
The display device can be：Electronic Paper, oled panel, mobile phone, tablet personal computer, television set, display, notebook electricity
Any product or part with display function such as brain, DPF, navigator.
In the display device, because dot structure therein has more preferable evaporation process, so with higher yield,
With preferable display effect.
The invention provides a kind of new dot structure, the dot structure by optimizing RGB arrangement of subpixels so that
Under same FMM craft precisions, higher resolution can be achieved, and improves the aperture opening ratio of pixel, organic hair in the prior art is solved
Light display device causes the problem of resolution ratio is difficult to raising due to technological reason, realizes high-resolution and fine metal mask
Greater advantage is realized between the perforate of plate, the preparation using the FMM top emitting AMOLED panels being deposited is particularly suitable for use in.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of dot structure, including multiple sub-pixels, it is characterised in that the sub-pixel is the first sub-pixel, the second sub- picture
Element and the 3rd sub-pixel, first sub-pixel, second sub-pixel and the 3rd sub-pixel are followed successively in the row direction
Circle permutation, the same sub-pixel per adjacent rows is separated by arrangement in a column direction, and adjacent lines same sub-pixel in column direction
Upper specular is set；
Second sub-pixel is located on the center line between a sub-pixel for adjacent lines and the 3rd sub-pixel, described
Second sub-pixel and the first sub-pixel described in the 3rd sub-pixel and one in its adjacent a line and described in adjacent thereto one
Constitute a pixel cell.
2. dot structure according to claim 1, it is characterised in that the described first sub- picture in same a line or same row
The geometric center of element is located along the same line, and the geometric center of second sub-pixel in same a line or same row is located at together
On one straight line, the geometric center of the 3rd sub-pixel in same a line or same row is located along the same line.
3. dot structure according to claim 1, it is characterised in that first sub-pixel, second sub-pixel and
3rd sub-pixel is shaped as the symmetric figure with symmetry axis, and the bearing of trend of the symmetry axis of first sub-pixel puts down
Row in column direction, the bearing of trend of the symmetry axis of second sub-pixel parallel to column direction, the 3rd sub-pixel it is symmetrical
The bearing of trend of axle is parallel to column direction.
4. dot structure according to claim 1, it is characterised in that first sub-pixel, second sub-pixel and
Any one being shaped as in triangle, quadrangle, pentagon, hexagon or octagon of 3rd sub-pixel.
5. dot structure according to claim 4, it is characterised in that first sub-pixel, second sub-pixel and
The shape of 3rd sub-pixel is pentagon, and the pentagon includes two right angle interior angles and three 120 ° of interior angles.
6. the dot structure according to claim any one of 1-5, it is characterised in that the area of the 3rd sub-pixel is more than
The area of first sub-pixel, the area of first sub-pixel is more than the area of second sub-pixel.
7. the dot structure according to claim any one of 1-5, it is characterised in that the display color of first sub-pixel
For red or blueness, the display color of second sub-pixel is green, the display color of the 3rd sub-pixel for blueness or
It is red.
8. the dot structure according to claim any one of 1-5, it is characterised in that the adjacent pixel cell in same column
It is arranged alternately successively in the form of trapezoid, inverted trapezoidal.
9. a kind of preparation method of dot structure according to claim any one of 1-8, it is characterised in that adjacent lines,
First sub-pixel that specular is set in a column direction is deposited to be formed using the same perforate of same metal mask plate；
Adjacent lines, specular setting in a column direction second sub-pixel is opened using the same of same metal mask plate
Hole is deposited to be formed；
Adjacent lines, specular setting in a column direction the 3rd sub-pixel is opened using the same of same metal mask plate
Hole is deposited to be formed.
10. a kind of display device, it is characterised in that including the dot structure described in claim any one of 1-8.
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| CN201710266717.4A CN107086239A (en) | 2017-04-21 | 2017-04-21 | Dot structure and preparation method thereof and display device |
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| CN108447892A (en) * | 2018-05-11 | 2018-08-24 | 京东方科技集团股份有限公司 | Dot structure, mask plate and oled display substrate |
| CN108511482A (en) * | 2017-08-31 | 2018-09-07 | 昆山国显光电有限公司 | Dot structure, mask plate and display device |
| CN108847135A (en) * | 2018-06-13 | 2018-11-20 | 云谷（固安）科技有限公司 | Flexible display panels and preparation method thereof |
| CN109728035A (en) * | 2017-10-27 | 2019-05-07 | 天马日本株式会社 | The manufacturing method of OLED display, exposure mask and OLED display |
| CN110429110A (en) * | 2019-07-15 | 2019-11-08 | 武汉华星光电半导体显示技术有限公司 | Light-emitting substrate and display equipment |
| CN110707145A (en) * | 2019-11-21 | 2020-01-17 | 京东方科技集团股份有限公司 | Display substrate and display panel comprising same |
| CN110931639A (en) * | 2019-11-26 | 2020-03-27 | 武汉华星光电半导体显示技术有限公司 | Pixel arrangement display equipment capable of improving pixel resolution and evaporation method |
| CN111341944A (en) * | 2020-03-02 | 2020-06-26 | 武汉华星光电半导体显示技术有限公司 | Pixel arrangement display equipment capable of improving color gamut and PPI and evaporation method |
| US10700137B2 (en) | 2017-12-29 | 2020-06-30 | Shanghai Tianma AM-OLED Co., Ltd. | Display panel and display device |
| US10950666B2 (en) | 2017-08-31 | 2021-03-16 | Kunshan Go-Visionox Opto-Electronics Co., Ltd. | Pixel structure, OLED display screen and evaporation mask |
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| CN110429110A (en) * | 2019-07-15 | 2019-11-08 | 武汉华星光电半导体显示技术有限公司 | Light-emitting substrate and display equipment |
| US11171182B2 (en) | 2019-07-15 | 2021-11-09 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Light-emitting substrate and display device |
| CN110707145A (en) * | 2019-11-21 | 2020-01-17 | 京东方科技集团股份有限公司 | Display substrate and display panel comprising same |
| CN110931639A (en) * | 2019-11-26 | 2020-03-27 | 武汉华星光电半导体显示技术有限公司 | Pixel arrangement display equipment capable of improving pixel resolution and evaporation method |
| WO2021174645A1 (en) * | 2020-03-02 | 2021-09-10 | 武汉华星光电半导体显示技术有限公司 | Pixel arrangement display device and pixel arrangement evaporation method capable of improving color gamut and ppi |
| CN111341944A (en) * | 2020-03-02 | 2020-06-26 | 武汉华星光电半导体显示技术有限公司 | Pixel arrangement display equipment capable of improving color gamut and PPI and evaporation method |
| CN113506536A (en) * | 2020-03-23 | 2021-10-15 | 京东方科技集团股份有限公司 | Pixel driving circuit, driving circuit of display panel and display device |
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