CN108321178A - Dot structure, mask plate and display device - Google Patents
Dot structure, mask plate and display device Download PDFInfo
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- CN108321178A CN108321178A CN201810117504.XA CN201810117504A CN108321178A CN 108321178 A CN108321178 A CN 108321178A CN 201810117504 A CN201810117504 A CN 201810117504A CN 108321178 A CN108321178 A CN 108321178A
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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
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- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
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Abstract
A kind of dot structure of present invention offer, mask plate and display device, belong to display technology field, can improve the resolution ratio of product in the case where not increasing mask plate difficulty of processing.The dot structure includes multiple repetitive units, and each repetitive unit includes surrounding its four centrally disposed sub-pixel group, and each sub-pixel group includes surrounding the identical sub-pixel of four colors of center setting, and the color of different subpixel group sub-pixel is different；Four sub-pixel groups are respectively the first sub-pixel group, the second sub-pixel group, third sub-pixel group and the 4th sub-pixel group；Sub-pixel in first sub-pixel group is the first sub-pixel；Sub-pixel in second sub-pixel group is the second sub-pixel；Sub-pixel in third sub-pixel group is third sub-pixel；Sub-pixel in 4th sub-pixel group is the 4th sub-pixel；It is disposed adjacent and constitutes in annular any four sub-pixel group, sub-pixels one pixel unit of composition of four different colours that are close adjacent and constituting annular.
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.It is high-precision
Degree metal mask plate usually forms slit (slit) or slit (slot) type patterns of openings by etching, but because of the limit of etching technics
System, mask plate opening cannot accomplish very small；In addition, the sub-pixel of different colours has the limitation of opening spacing in evaporation process,
Therefore it prepares AMOLED inevitably to be limited by FMM openings and evaporation process precision, to realize high-resolution and height
Aperture opening ratio is more difficult.
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 the dot structure of multiple sub-pixels, in the case where not increasing the difficulty of processing of mask plate, improve
The resolution ratio and aperture opening ratio of product.
Technical solution is a kind of dot structure used by solving present invention problem comprising：
Multiple repetitive units, each repetitive unit includes surrounding its four centrally disposed sub-pixel group, per height
Pixel group includes the identical sub-pixel of four colors around sub-pixel cluster centre setting, and the different sub-pixel group
In sub-pixel color it is different；Wherein, four sub-pixels group is respectively the first sub-pixel group, the second sub-pixel group, the
Three sub-pixels are rolled into a ball and the 4th sub-pixel group；Sub-pixel in first sub-pixel group is the first sub-pixel；In second sub-pixel group
Sub-pixel is the second sub-pixel；Sub-pixel in third sub-pixel group is third sub-pixel；Sub-pixel in 4th sub-pixel group
For the 4th sub-pixel；
In the dot structure, it is disposed adjacent and constitutes in annular any four sub-pixel group, close adjacent and structure
The sub-pixel of four different colours circularized constitutes a pixel unit.
Preferably, it is disposed adjacent and any four sub-pixel group for constituting annular limits first non-display area, institute
State the center that the first non-display area is located at the pixel unit.
It is further preferred that in each sub-pixel group, four sub-pixels limit second non-display area, described
Second non-display area is located at the center of sub-pixel group.
It is further preferred that the shape of first non-display area and second non-display area just as.
It is further preferred that the shape of the outer profile of each sub-pixel group is square；Outside the pixel unit
The shape of profile is square.
Preferably, first sub-pixel is red sub-pixel；Second sub-pixel is green sub-pixels；The third
Sub-pixel is blue subpixels；4th sub-pixel is white sub-pixels or yellow sub-pixel.
Technical solution is that one kind being used to prepare right any one of the above pixel used by solving present invention problem
The mask plate of structure comprising：
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, any one sub-pixel in each pixel unit near the three of the sub-pixel
The color of immediate sub-pixel in a pixel unit is identical, this four sub-pixels constitute a sub-pixel group.Therefore it can incite somebody to action
This four are prepared apart from the identical sub-pixel of immediate color (i.e. a sub-pixel group) using a mask open, from
And the manufacturing process difficulty of mask plate can be reduced.Meanwhile in the present invention, be staggered arrangement between different subpixel group, and mask is opened
The distance between mouth increases, and mask plate can be effectively prevent to be deformed during throwing the net, and improves evaporation effect, and then raising product
Prepare 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 the structural schematic diagram of the 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；
Fig. 5 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, the 4th sub-pixel group；51, the 4th sub-pixel；
61, the first non-display area；62, the second non-display area；7, 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：
As shown in Figure 1, the present embodiment provides a kind of dot structure, including multiple repetitive units, each repetitive unit include
Around its four centrally disposed sub-pixel group, each sub-pixel group includes four color phases for surrounding the setting of sub-pixel cluster centre
Same sub-pixel, and the color of the sub-pixel in different sub-pixel groups is different；Wherein, four sub-pixel groups are respectively the first son
Pixel group 2, the second sub-pixel group 3, third sub-pixel group 4 and the 4th sub-pixel group 5；First sub-pixel group 2 in sub-pixel be
First sub-pixel 21；Sub-pixel in second sub-pixel group 3 is the second sub-pixel 31；Third sub-pixel group 4 in sub-pixel be
Third sub-pixel 41；Sub-pixel in 4th sub-pixel group 5 is the 4th sub-pixel 51；And in the dot structure of the present embodiment,
It is disposed adjacent and constitutes in annular any four sub-pixel group, the sub- pictures of four different colours that are close adjacent and constituting annular
Element constitutes a pixel unit 1.
That is, as shown in Figure 1, in each repetitive unit, four sub-pixel groups are uniform around the center of repetitive unit
Arrangement, and the color of the sub-pixel in different subpixel group is different；And in each sub-pixel group, the identical sub- picture of four colors
Prime ring is uniformly arranged around the center that sub-pixel is rolled into a ball, and respectively there are one sub-pixels in repetitive unit in each sub-pixel group
The heart constitutes a pixel unit 1 to which the different sub-pixel of this four colors is uniformly arranged around the center of repetitive unit.Together
When, the dot structure of the present embodiment includes multiple above-mentioned repetitive units, is located at 12 edge at repetitive unit edge
Pixel (i.e. in a repetitive unit, remaining sub-pixel in addition to four sub-pixels near its center) respectively with the weight on periphery
Part edge sub-pixel combinations in multiple unit constitute eight pixel units 1.That is, in the dot structure of the present embodiment, arbitrarily
The sub-pixel of annular arrangement and four adjacent different colours constitutes a pixel unit 1.
Preferably, it in the present embodiment, is disposed adjacent and any four sub-pixel group for constituting annular limits one first
Non-display area 61, the first non-display area 61 are located at the center of pixel unit 1.Further, in each sub-pixel group, four sub- pictures
Element limits second non-display area 62, and the second non-display area 62 is located at the center of sub-pixel group.Wherein, the first non-display area
61 and second non-display area 62 can be used in placing supporting layer (Post Spacer；PS).
It should be noted that the first sub-pixel 21, the second sub-pixel 31, third sub-pixel 41 and the 4th sub-pixel
Luminescent material in 51 is formed in the receiving portion of pixel confining layer, i.e., the shape of each sub-pixel is by pixel confining layer
Receiving portion shape determine.And in this present embodiment the first non-display area 61 and the second non-display area 62 be not to lead to
Cross high-precision metal mask plate formation, but by the barricade on the receiving portion periphery of pixel confining layer limit come.It is excellent
Choosing, the identical each sub-pixel of shape and shape identical the are limited by the barricade in pixel confining layer in the present embodiment
One non-display area 61 and the second non-display area 62, to ensure that display shows the homogeneity of color.
It is further preferred that in the present embodiment, the shape of the outer profile of each sub-pixel group is square, and each pixel list
The shape of the outer profile of member 1 is square.That is, as shown in Figure 1, the shape of each sub-pixel, which is that shape is identical, at least has one
To the quadrangle (quadrangle as shown in Figure 1, certain rectangle are also possible) at right angle.Meanwhile first non-display area 61 and
The shape of two non-display areas 62 is also square.It is understood that institute after its central point arbitrarily rotation of each sub-pixel group
The dot structure of formation, within the protection domain of the present embodiment.Preferably, the outer profile rolled into a ball below with sub-pixel is pros
Shape, and the shape of the outer profile of pixel unit 1 be also square for be specifically described.
As shown in Figure 1, four sub-pixels group in each repetitive unit is the sub-pixel group that outer profile is square, respectively
The 2, second sub-pixel group 3, third sub-pixel group 4 and the 4th sub-pixel group 5 are rolled into a ball for the first sub-pixel.Specifically, in the first sub- picture
In element group 2, four the first sub-pixels 21 are according to fixed-direction (clockwise or counter-clockwise) in the first sub-pixel 21
The heart is uniformly arranged, and a right angle of each first sub-pixel 21 rolls into a ball an apex angle of 2 outer profile, and phase as the first sub-pixel
The side for constituting sub-pixel group outer profile of adjacent two sub-pixels is on same straight line, and first to constitute that outer profile is square
Sub-pixel group 2.Four the first sub-pixels 21 roll into a ball the extension line restriction intersected with each other of the side at 2 centers close to the first sub-pixel simultaneously
Go out the second non-display area 62 of square.It is similar, roll into a ball 3, third sub-pixel group 4 and the 4th sub-pixel group in the second sub-pixel
In 5, the arrangement mode of each sub-pixel is identical as the arrangement mode of the first sub-pixel 21.
Also, in each repetitive unit, four sub-pixel groups uniformly arrange around the center of repetitive unit, and four lean on
The extension line of the side at nearly repetitive unit center is intersected with each other, and it is non-to limit square first at the center of repetitive unit
Viewing area 61.Meanwhile the dot structure of the present embodiment includes multiple above-mentioned repetitive units, in each two adjacent repeat unit
In, the color of four sub-pixels of direct neighbor group is different, and a square non-display area (i.e. the is limited between four
One non-display area 61), the center of the center of first non-display area 61 and above-mentioned two repetitive unit is point-blank.
That is, in dot structure provided in this embodiment, the setting of any four annular and adjacent different colours
Sub-pixel constitute a square pixel unit 1, meanwhile, this four sub-pixels are divided into the adjacent pixel unit not with periphery
Same sub-pixels in 1 constitute the sub-pixel group that outer profile is square.
Preferably, in the present embodiment, the first sub-pixel 21 is red sub-pixel；Second sub-pixel 31 is green sub-pixels；
Third sub-pixel 41 is blue subpixels；4th sub-pixel 51 is white sub-pixels or yellow sub-pixel.Wherein, color refers to
The color of colored display can be realized possessed by sub-pixel (or sub-pixel group) itself, such as：For organic electroluminescent
For dot structure in display device, above-mentioned color refers to the color of luminescent layer in organic electroluminescent LED, just
Under normal pressurized state, corresponding color which can send out.As shown in the above, each pixel unit 1 includes four
Each sub-pixel of sub-pixel group, i.e., each pixel unit 1 in the present embodiment include red, green, blue and white (or
Yellow) four kinds of colors sub-pixel, so as to realize the normal display of full color image.
In dot structure provided in this embodiment, any one sub-pixel in each pixel unit 1 near the son
The color of immediate sub-pixel in three pixel units 1 of pixel is identical, this four sub-pixels constitute a sub-pixel group.
Therefore in the present embodiment, one can be utilized apart from the identical sub-pixel of immediate color (i.e. a sub-pixel group) by four
It is prepared by mask open, so as in the case where not increasing the difficulty of processing of mask plate, improve product resolution ratio and
Aperture opening ratio.Meanwhile in the present embodiment, be staggered arrangement between different subpixel group, and the distance between mask open increases, Neng Gouyou
Effect prevents mask plate from being deformed during throwing the net, and improves evaporation effect, and then improves product and prepare yield and display effect.
Embodiment 2：
The present embodiment provides any one dot structures provided in a kind of display device, including embodiment 1.
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 5, 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
7。
Preferably, mask plate is high-precision metal mask plate.
Mask plate in compared with the existing technology, the mask open 7 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 7 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, be prepared respectively with the mask plate of four kinds of different openings respectively
Three sub-pixels are rolled into a ball and the 4th sub-pixel group, such as prepare the first sub-pixel group using mask plate shown in Fig. 2, shown in Fig. 3
Mask plate prepare the second sub-pixel group, prepare third sub-pixel group using mask plate shown in Fig. 4, covered using shown in fig. 5
Diaphragm plate prepares the 4th sub-pixel group.
The preparation process difficulty of mask plate in the present embodiment is relatively low, and the distance between mask open 7 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 (10)
1. a kind of dot structure, which is characterized in that including：
Multiple repetitive units, each repetitive unit includes surrounding its four centrally disposed sub-pixel group, each sub-pixel
Group includes the identical sub-pixel of four colors around sub-pixel cluster centre setting, and in different sub-pixel groups
The color of sub-pixel is different；Wherein, four sub-pixels group is respectively the first sub-pixel group, the second sub-pixel group, third
Pixel group and the 4th sub-pixel group；Sub-pixel in first sub-pixel group is the first sub-pixel；Sub- picture in second sub-pixel group
Element is the second sub-pixel；Sub-pixel in third sub-pixel group is third sub-pixel；Sub-pixel in 4th sub-pixel group is the
Four sub-pixels；
In the dot structure, it is disposed adjacent and constitutes in annular any four sub-pixel group, close adjacent and composition ring
The sub-pixel of four different colours of shape constitutes a pixel unit.
2. dot structure according to claim 1, which is characterized in that
It is disposed adjacent and any four sub-pixel group for constituting annular limits first non-display area, described first is non-display
Area is located at the center of the pixel unit.
3. dot structure according to claim 2, which is characterized in that
In each sub-pixel group, four sub-pixels limit second non-display area, and second non-display area is located at
The center of the sub-pixel group.
4. dot structure according to claim 3, which is characterized in that first non-display area and described second non-display
The shape in area is identical.
5. the dot structure stated according to claim 1, which is characterized in that
The shape of the outer profile of each sub-pixel group is square；The shape of the outer profile of the pixel unit is pros
Shape.
6. dot structure according to claim 1, which is characterized in that
First sub-pixel is red sub-pixel；Second sub-pixel is green sub-pixels；The third sub-pixel is indigo plant
Sub-pixels；4th sub-pixel is white sub-pixels or yellow sub-pixel.
7. a kind of mask plate being used to prepare the dot structure described in any one of claim 1 to 6, 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.
8. mask plate according to claim 7, which is characterized in that
The mask plate is high-precision metal mask plate.
9. a kind of display device, which is characterized in that including the dot structure described in any one of claim 1 to 6.
10. display device according to claim 9, which is characterized in that the display device is aobvious for Organic Light Emitting Diode
Showing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117504.XA CN108321178B (en) | 2018-02-06 | 2018-02-06 | Pixel structure, mask plate and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117504.XA CN108321178B (en) | 2018-02-06 | 2018-02-06 | Pixel structure, mask plate and display device |
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| CN108321178A true CN108321178A (en) | 2018-07-24 |
| CN108321178B CN108321178B (en) | 2021-01-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109244109A (en) * | 2018-08-30 | 2019-01-18 | 武汉华星光电半导体显示技术有限公司 | Dot structure and display device |
| CN109904194A (en) * | 2019-01-09 | 2019-06-18 | 昆山国显光电有限公司 | Pixel arrangement structure, display panel and display device |
| CN111028698A (en) * | 2019-12-19 | 2020-04-17 | 武汉天马微电子有限公司 | Array substrate and display device |
| CN111354762A (en) * | 2018-12-21 | 2020-06-30 | 广东聚华印刷显示技术有限公司 | Pixel structure, display device and evaporation mask |
| WO2020192495A1 (en) * | 2019-03-25 | 2020-10-01 | 京东方科技集团股份有限公司 | Pixel structure, array substrate, and display device |
| CN112349749A (en) * | 2019-12-30 | 2021-02-09 | 广东聚华印刷显示技术有限公司 | Pixel arrangement structure, light emitting device and display panel |
| CN112909067A (en) * | 2021-02-25 | 2021-06-04 | 云谷（固安）科技有限公司 | Display panel and mask plate assembly |
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| US20150287763A1 (en) * | 2014-04-07 | 2015-10-08 | E Ink Holdings Inc. | Pixel array |
| CN104916661A (en) * | 2015-04-21 | 2015-09-16 | 京东方科技集团股份有限公司 | Pixel structure, mask plate, organic electroluminescence display panel and display device |
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| CN109244109A (en) * | 2018-08-30 | 2019-01-18 | 武汉华星光电半导体显示技术有限公司 | Dot structure and display device |
| WO2020042343A1 (en) * | 2018-08-30 | 2020-03-05 | 武汉华星光电半导体显示技术有限公司 | Pixel structure and display device |
| CN109244109B (en) * | 2018-08-30 | 2021-02-26 | 武汉华星光电半导体显示技术有限公司 | Pixel structure and display device |
| CN111354762A (en) * | 2018-12-21 | 2020-06-30 | 广东聚华印刷显示技术有限公司 | Pixel structure, display device and evaporation mask |
| CN111354762B (en) * | 2018-12-21 | 2023-02-21 | 广东聚华印刷显示技术有限公司 | Pixel structure, display device and evaporation mask |
| CN109904194A (en) * | 2019-01-09 | 2019-06-18 | 昆山国显光电有限公司 | Pixel arrangement structure, display panel and display device |
| US11800752B2 (en) | 2019-03-25 | 2023-10-24 | Boe Technology Group Co., Ltd. | Pixel structure with ring shaped emitting region |
| WO2020192495A1 (en) * | 2019-03-25 | 2020-10-01 | 京东方科技集团股份有限公司 | Pixel structure, array substrate, and display device |
| CN111028698B (en) * | 2019-12-19 | 2021-11-30 | 武汉天马微电子有限公司 | Array substrate and display device |
| CN111028698A (en) * | 2019-12-19 | 2020-04-17 | 武汉天马微电子有限公司 | Array substrate and display device |
| CN112349749B (en) * | 2019-12-30 | 2022-08-05 | 广东聚华印刷显示技术有限公司 | Pixel arrangement structure, light emitting device and display panel |
| CN112349749A (en) * | 2019-12-30 | 2021-02-09 | 广东聚华印刷显示技术有限公司 | Pixel arrangement structure, light emitting device and display panel |
| CN112909067A (en) * | 2021-02-25 | 2021-06-04 | 云谷（固安）科技有限公司 | Display panel and mask plate assembly |
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| Publication number | Publication date |
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| CN108321178B (en) | 2021-01-26 |
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