CN108321179A - Dot structure, mask plate and display device - Google Patents
Dot structure, mask plate and display device Download PDFInfo
- Publication number
- CN108321179A CN108321179A CN201810117559.0A CN201810117559A CN108321179A CN 108321179 A CN108321179 A CN 108321179A CN 201810117559 A CN201810117559 A CN 201810117559A CN 108321179 A CN108321179 A CN 108321179A
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- repetitive unit
- dot structure
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Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
- C23C14/042—Coating on selected surface areas, e.g. using masks using masks
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/166—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask
Abstract
A kind of dot structure of present invention offer, mask plate and display device, belong to display technology field, can solve the problems, such as the mask open siding stopping pixel aperture ratio of existing mask plate.The present invention dot structure include：The repetitive unit of multiple array arrangements, the outer profile of each repetitive unit is rectangle comprising four the first sub-pixels, four the second sub-pixels and four third sub-pixels, wherein, four the first sub-pixels, in the center of repetitive unit, form the first sub-pixel group in 2 × 2 array arrangements；Four the second sub-pixels are located at four sides of repetitive unit；Four third sub-pixels are located at four apex angles of repetitive unit；In the repetitive unit of arbitrary two-phase neighbour, two the second adjacent sub-pixels form the second sub-pixel group, and the outer profile of the second sub-pixel group is polygon or circle；For any four in four repetitive units of 2 × 2 array arrangements, four adjacent third sub-pixels form third sub-pixel group.
Description
Technical field
The invention belongs to display technology fields, and in particular to a kind of dot structure, mask plate and display device.
Background technology
Common 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,
There is many advantages, such as self-luminous, fast response time, wide viewing angle compared with LCD, it is aobvious to be suitable for Flexible Displays, transparence display, 3D
A variety of applications such as show.
Currently, in the preparation process of top emitting active matrix organic light-emitting diode (AMOLED) panel, generally use
High-precision metal mask plate (Fine Metal Mask, abbreviation FMM) is deposited to form organic luminous layer by evaporation process.Wherein,
FMM generally has a limitation of minimal openings, and the sub-pixel of different colours has the limitation of opening spacing in evaporation process, therefore prepares
AMOLED is inevitably limited by FMM openings and evaporation process precision, to realize that high-resolution is more difficult, to
Higher resolution ratio is sought, then the aperture opening ratio of sub-pixel is more difficult ensures so that high-resolution realization is more difficult, or even can influence
The characteristics such as service life, the brightness of product.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art, providing one kind can be covered using one
Film is open while preparing multiple sub-pixels, to reduce mask plate difficulty of processing dot structure.
Technical solution is a kind of dot structure used by solving present invention problem comprising：
The outer profile of the repetitive unit of multiple array arrangements, each repetitive unit is rectangle comprising four first
Sub-pixel, four the second sub-pixels and four third sub-pixels, wherein four first sub-pixels in 2 × 2 array arrangements in
The center of the repetitive unit forms the first sub-pixel group；Four second sub-pixels are located at the repetitive unit
Four sides；Four third sub-pixels are located at four apex angles of the repetitive unit；
In the repetitive unit of arbitrary two-phase neighbour, two adjacent the second sub-pixel groups of the second sub-pixels formation, described second
The outer profile of sub-pixel group is polygon or circle；
For any four in four repetitive units of 2 × 2 array arrangements, four adjacent third sub-pixels form third
Pixel group.
Preferably, the shape of first sub-pixel is identical as the shape of third sub-pixel.
Preferably, the shape of first sub-pixel is square；
The shape of the outer profile of the first sub-pixel group is square.
Preferably, the shape of second sub-pixel is any one in semicircle, isosceles trapezoid, isosceles triangle.
Preferably, the color of first sub-pixel is red；The color of second sub-pixel is green；The third
The color of sub-pixel is blue.
Technical solution is that one kind being used to prepare any one of the above dot structure used by solving present invention problem
Mask plate, including：
Substrate, and the mask open corresponding with the outer profile of sub-pixel group on the substrate.
Preferably, the mask plate is high-precision metal mask plate.
Technical solution is a kind of display device, including any one of the above pixel used by solving present invention problem
Structure.
Preferably, the display device is organic LED display device.
In the dot structure of the present invention, a mask open can be utilized to prepare four the first sub-pixels or four simultaneously
Third sub-pixel or two the second sub-pixels, so as to reduce the manufacturing process difficulty of mask plate.Meanwhile in the present invention,
Be staggered arrangement between different subpixel group, and the distance between mask open increases, and mask plate can be effectively prevent in the process of throwing the net
Middle deformation improves evaporation effect, and then product prepares yield and display effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the dot structure of the embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of mask plate of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another mask plate of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another mask plate of the embodiment of the present invention；
Wherein reference numeral is：1, pixel unit；2, the first sub-pixel group；21, the first sub-pixel；3, the second sub-pixel
Group；31, the second sub-pixel；4, third sub-pixel group；41, third sub-pixel；5, mask open.
Specific implementation mode
To make those skilled in the art more fully understand technical scheme of the present invention, below in conjunction with the accompanying drawings and specific embodiment party
Present invention is further described in detail for formula.
Embodiment 1：
The present embodiment provides a kind of dot structures, including：Repetitive unit (the dash area in such as Fig. 1 of multiple array arrangements
It is shown), the outer profile of each repetitive unit is rectangle comprising four the first sub-pixels, 21, four the second sub-pixels 31 and four
A third sub-pixel 41, wherein four the first sub-pixels 21, in the center of repetitive unit, form the first son in 2 × 2 array arrangements
Pixel group 2；Four the second sub-pixels 31 are located at four sides of repetitive unit；Four third sub-pixels 41 are located at repetition list
Four apex angles of member；In the repetitive unit of arbitrary two-phase neighbour, two the second adjacent sub-pixels 31 form the second sub-pixel group 3,
The outer profile of second sub-pixel group 3 is polygon or circle；Any four in 2 × 2 array arrangements four repetitive units in,
Four adjacent third sub-pixels 41 form third sub-pixel group 4.
As shown in Figure 1, each repetitive unit includes the first sub-pixel 21 positioned at repetitive unit center, it is located at and repeats list
Second sub-pixel 31 on first four sides and the third sub-pixel 41 positioned at repetitive unit quadrangle.Wherein, every three close differences
Sub-pixel constitutes a pixel unit 1, to may make up four pixel units 1 in a repetitive unit.
Meanwhile in the present embodiment, four the first sub-pixels 21 are in the center of 2 × 2 array arrangements and repetitive unit, form the
One sub-pixel group 2, therefore when preparing the dot structure, a mask open corresponding first sub-pixel can be utilized to roll into a ball 2, steamed simultaneously
Plating forms four the first sub-pixels 21, reduces the manufacturing process difficulty of mask plate.Also, dot structure provided in this embodiment
In, in two adjacent repetitive units, adjacent two the second sub-pixels 31 form the second sub-pixel group 3, so as to utilize one
A mask open corresponds to the second sub-pixel group 3, while being deposited and to form two the second sub-pixels 31, reduces the manufacturing process of mask plate
Difficulty.Further, repetitive unit array arrangement in the present embodiment, in arbitrary adjacent four repetitive units (adjacent rows with
Four repetitive units at adjacent two row lap position), four adjacent third sub-pixels 41 form third sub-pixel group 4, from
And third sub-pixel group 4 can be corresponded to using a mask open, while being deposited to form four third sub-pixels 41, reduce mask
The manufacturing process difficulty of plate.
Wherein, it should be noted that in the dot structure of the present embodiment, between each second sub-pixel group 3
Gauge is close from relatively, therefore the shape of outer profile should be the closed figures such as polygon or circle, to avoid because of the second sub-pixel group 3
Between because spacing distance is excessively close can not prepare mask plate.
Preferably, in the present embodiment, the shape of the first sub-pixel 21 is identical as the shape of third sub-pixel 41.Further
, the shape of the first sub-pixel 21 is square；The shape of the outer profile of first sub-pixel group 2 is square.As shown in Figure 1,
The square that is preferably shaped to of first sub-pixel 21 and third sub-pixel 41, the first sub-pixel group 2 are outer with third sub-pixel group 4
Profile is preferably shaped to square.The sub-pixel group that square shape is formed by the sub-pixel of square shape, in mask
Increase the light-emitting area of dot structure in the case that opening area is certain as much as possible, improves and show resolution.
Preferably, the shape of the second sub-pixel 31 is any one in semicircle, isosceles trapezoid, isosceles triangle.It is i.e. logical
Crossing the second sub-pixel 31 of the shapes such as semicircle, isosceles trapezoid, isosceles triangle, to form circle, hexagon, diamond shape etc. simple in structure
Closed figure, to simplify mask plate preparation process difficulty.
Preferably, as shown in Figure 1, being all square with the first sub-pixel 21 and third pixel below, the first sub-pixel group 2
It is also square with the outer contour shape of third sub-pixel group 4, the shape of the second sub-pixel 31 is specific to be carried out for triangle
Explanation.
In one repetitive unit, four the first square sub-pixels 21 form square the first sub-pixel group 2,
And positioned at the center of repetitive unit；Second sub-pixel 31 of four triangles is located at four sides of repetitive unit, each second son
Pixel 31 forms the second sub-pixel group 3 that outer profile is square with the second sub-pixel 31 in adjacent repeat unit；Four just
The third sub-pixel 41 of square shape is located at the quadrangle of repetitive unit, (adjacent rows and phase in arbitrary adjacent four repetitive units
Neighbour two arranges four repetitive units at lap position), four adjacent third sub-pixels 41 form the third sub-pixel of square
Group 4.Also, four centrally located first sub-pixels 21 can respectively with close to its 31 third sub-pixel of the second sub-pixel, 41 shape
At a pixel unit 1, to which four pixel units 1 can be formed in each repetitive unit.
Preferably, in the present embodiment, the color of three sub-pixels in each repetitive unit group be respectively red, green,
Blue.Specifically, the color that can be the first sub-pixel 21 is red；The color of second sub-pixel 31 is green；Third sub- picture
The color of element 41 is blue.Wherein, color refers to that colored show can be realized possessed by sub-pixel (or sub-pixel group) itself
The color shown, such as：For the dot structure in organic electroluminescence display device and method of manufacturing same, above-mentioned color refers to organic electroluminescence
The color of luminescent layer in light emitting diode, under normal pressurization state, corresponding color which can send out.By above-mentioned interior
Hold it is found that each pixel unit 1 includes each sub-pixel of three sub-pixels group, i.e., each pixel unit 1 in the present embodiment
Sub-pixel including red, green, blue three kinds of colors, so as to realize the normal display of full color image.
In dot structure provided in this embodiment, a mask open can be utilized to prepare four the first sub-pixels 21 simultaneously
Either four third sub-pixels 41 or two the second sub-pixels 31, so as to reduce the manufacturing process difficulty of mask plate.Together
When, in the present embodiment, be staggered arrangement between different subpixel group, and the increase of the distance between mask open can effectively prevent covering
Diaphragm plate deforms during throwing the net, and improves evaporation effect, and then improves product and prepare yield and display effect.
Embodiment 2：
The present embodiment provides a kind of display devices, including any one dot structure that embodiment 1 provides.
The display device can be：Liquid crystal display panel, Electronic Paper, oled panel, mobile phone, tablet computer, television set, display
Any product or component with display function such as device, laptop, Digital Frame, navigator.
Preferably, which is Organic Light Emitting Diode (OLED；Organic Light-Emitting Diode；)
Display device.In the display device, since dot structure therein has better evaporation process effect, therefore the production of display device
Product yield is higher；Moreover, because the mask open for preparing dot structure is larger, aperture opening ratio is improved, light-emitting area increases, to
Organic Light Emitting Diode (OLED can be improved；Organic Light-Emitting Diode；) display device product brightness,
Service life and image quality clarity.
Embodiment 3：
As shown in Figures 2 to 4, the present embodiment provides a kind of mask plates, are used to prepare any one provided in embodiment 1
Dot structure.
The mask plate includes：Substrate, and the mask open corresponding with the outer profile of sub-pixel group on substrate
5。
Mask plate in compared with the existing technology, the mask open 5 in the mask plate provided in the present embodiment and embodiment 1
Sub-pixel group in the dot structure of middle offer corresponds to, i.e., the mask open 5 in the present embodiment corresponds to the son of four same colors
Pixel.Specifically, can the first sub-pixel group, the second sub-pixel group and the be prepared respectively with the mask plate of three kinds of different openings respectively
Three sub-pixel groups, such as the first sub-pixel group is prepared using mask plate shown in Fig. 2, prepare the using mask plate shown in Fig. 3
Two sub-pixel groups prepare third sub-pixel group using mask plate shown in Fig. 4.
Preferably, mask plate is high-precision metal mask plate.I.e. by distinguishing on different high-precision metal mask plates
Emitting layer material is deposited on display base plate by evaporation process for the opening for forming corresponding different subpixel group.Due to this reality
Apply in example be using to a mask open 5 while multiple sub-pixels being deposited, therefore limited by opening when preparing AMOLED it is smaller,
So as to realize that high-resolution is shown.
The preparation process difficulty of mask plate in the present embodiment is relatively low, and the distance between mask open 5 is larger, can be effective
It prevents mask plate from being deformed during throwing the net, improves evaporation effect, and then improve product and prepare yield and display effect.
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, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a kind of dot structure, which is characterized in that including：
The outer profile of the repetitive unit of multiple array arrangements, each repetitive unit is rectangle comprising four the first sub- pictures
Element, four the second sub-pixels and four third sub-pixels, wherein four first sub-pixels are in 2 × 2 array arrangements in described
The center of repetitive unit forms the first sub-pixel group；Four second sub-pixels are located at four sides of the repetitive unit；
Four third sub-pixels are located at four apex angles of the repetitive unit；
In the repetitive unit of arbitrary two-phase neighbour, two the second adjacent sub-pixels form the second sub-pixel group, the second sub- picture
The outer profile of element group is polygon or circle；
For any four in four repetitive units of 2 × 2 array arrangements, four adjacent third sub-pixels form third sub-pixel
Group.
2. dot structure according to claim 1, which is characterized in that
The shape of first sub-pixel is identical as the shape of third sub-pixel.
3. dot structure according to claim 1, which is characterized in that
The shape of first sub-pixel is square；
The shape of the outer profile of the first sub-pixel group is square.
4. dot structure according to claim 1, which is characterized in that
The shape of second sub-pixel is any one in semicircle, isosceles trapezoid, isosceles triangle.
5. dot structure according to claim 1, which is characterized in that
The color of first sub-pixel is red；The color of second sub-pixel is green；The face of the third sub-pixel
Color is blue.
6. a kind of mask plate being used to prepare the dot structure described in any one of claim 1 to 5, which is characterized in that packet
It includes：
Substrate, and the mask open corresponding with the outer profile of sub-pixel group on the substrate.
7. mask plate according to claim 6, which is characterized in that
The mask plate is high-precision metal mask plate.
8. a kind of display device, which is characterized in that including the dot structure described in any one of claim 1 to 5.
9. display device according to claim 8, which is characterized in that the display device is organic light-emitting diode display
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117559.0A CN108321179A (en) | 2018-02-06 | 2018-02-06 | Dot structure, mask plate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117559.0A CN108321179A (en) | 2018-02-06 | 2018-02-06 | Dot structure, mask plate and display device |
Publications (1)
| Publication Number | Publication Date |
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| CN108321179A true CN108321179A (en) | 2018-07-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810117559.0A Pending CN108321179A (en) | 2018-02-06 | 2018-02-06 | Dot structure, mask plate and display device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109817685A (en) * | 2019-02-01 | 2019-05-28 | 武汉华星光电半导体显示技术有限公司 | OLED pixel structure and display device |
| CN110364641A (en) * | 2019-08-20 | 2019-10-22 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
| CN110473894A (en) * | 2018-05-09 | 2019-11-19 | 上海和辉光电有限公司 | A kind of AMOLED pixel arrangement structure, display panel and exposure mask board group |
| CN110610962A (en) * | 2019-08-20 | 2019-12-24 | 深圳市华星光电半导体显示技术有限公司 | Transparent display panel |
| CN111969013A (en) * | 2020-08-18 | 2020-11-20 | 昆山国显光电有限公司 | Pixel arrangement structure, display panel and mask plate set |
| CN112365841A (en) * | 2020-11-27 | 2021-02-12 | 京东方科技集团股份有限公司 | Display substrate, high-precision metal mask plate, display device and display driving method |
| CN112382649A (en) * | 2020-11-13 | 2021-02-19 | 昆山国显光电有限公司 | Pixel arrangement structure, mask plate assembly and display panel |
| CN112563312A (en) * | 2020-12-10 | 2021-03-26 | 合肥维信诺科技有限公司 | Pixel arrangement structure, display panel and mask assembly |
| CN112563311A (en) * | 2020-12-10 | 2021-03-26 | 合肥维信诺科技有限公司 | Pixel arrangement structure, display panel and mask assembly |
| WO2021189562A1 (en) * | 2020-03-26 | 2021-09-30 | 武汉华星光电半导体显示技术有限公司 | Display panel and preparation method therefor, and mask |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110473894A (en) * | 2018-05-09 | 2019-11-19 | 上海和辉光电有限公司 | A kind of AMOLED pixel arrangement structure, display panel and exposure mask board group |
| CN109817685B (en) * | 2019-02-01 | 2021-05-07 | 武汉华星光电半导体显示技术有限公司 | OLED pixel structure and display device |
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| WO2021189562A1 (en) * | 2020-03-26 | 2021-09-30 | 武汉华星光电半导体显示技术有限公司 | Display panel and preparation method therefor, and mask |
| CN111969013A (en) * | 2020-08-18 | 2020-11-20 | 昆山国显光电有限公司 | Pixel arrangement structure, display panel and mask plate set |
| CN111969013B (en) * | 2020-08-18 | 2022-08-05 | 昆山国显光电有限公司 | Pixel arrangement structure, display panel and mask plate set |
| CN112382649A (en) * | 2020-11-13 | 2021-02-19 | 昆山国显光电有限公司 | Pixel arrangement structure, mask plate assembly and display panel |
| CN112382649B (en) * | 2020-11-13 | 2022-10-14 | 昆山国显光电有限公司 | Pixel arrangement structure, mask plate assembly and display panel |
| CN112365841A (en) * | 2020-11-27 | 2021-02-12 | 京东方科技集团股份有限公司 | Display substrate, high-precision metal mask plate, display device and display driving method |
| CN112563311A (en) * | 2020-12-10 | 2021-03-26 | 合肥维信诺科技有限公司 | Pixel arrangement structure, display panel and mask assembly |
| CN112563312A (en) * | 2020-12-10 | 2021-03-26 | 合肥维信诺科技有限公司 | Pixel arrangement structure, display panel and mask assembly |
| CN112563311B (en) * | 2020-12-10 | 2024-01-23 | 合肥维信诺科技有限公司 | Pixel arrangement structure, display panel and mask assembly |
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